CN103603702A - Intensive multifunctional fully variable valve actuation system for 6-cylinder internal combustion engine - Google Patents
Intensive multifunctional fully variable valve actuation system for 6-cylinder internal combustion engine Download PDFInfo
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- CN103603702A CN103603702A CN201310448285.0A CN201310448285A CN103603702A CN 103603702 A CN103603702 A CN 103603702A CN 201310448285 A CN201310448285 A CN 201310448285A CN 103603702 A CN103603702 A CN 103603702A
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Abstract
An intensive multifunctional fully variable valve actuation system for a 6-cylinder internal combustion engine belongs to the field of valve actuation systems of internal combustion engines and comprises oil feeders, a cycle selector, a mode converter, two-position three-way valves, a two-position two-way valve, an valve actuator and the like. The designed cycle selector only needs the two oil feeders, the two two-position three-way valves and a two-position two-way valve to achieve a variable valve event required by an actuating mode and a braking mode of the internal combustion mode, so that powerful functions are achieved through extremely low costs; the operation of the valve is completely flexible, particularly, the closing process of the valve is not restricted by the operation phase of the oil feeders, a valve advanced closing event required by idling and middle-low loads of the internal combustion engine is met, and fuel consumption and emission of the internal combustion engine in practical application can be reduced sufficiently; the intensive multifunctional fully variable valve actuation system for the 4-cylinder internal combustion engine can be applied to a naturally aspirated and turbocharged internal combustion engines only by exchanging objects communicated onto the three oil openings of the mode converter, the type adaptability is good, and the application range is wide; the arrangement of the system on a practical vehicle type can be facilitated due to the fact that components of the system are connected through oil tubes.
Description
Technical field
The present invention relates to the multi-functional whole-variable valve actuating system of a kind of intensive style for 6 cylinder IC engines, belong to and can realize internal-combustion engine variable valve actuation system.
Background technique
Along with the development of World Economics, the problem of energy and environment has become the major issue that affects sustainable economic development.Internal-combustion engine, as the dynamic power machine being most widely used in the world at present, is consuming every year a large amount of fuel oils, and is discharging a large amount of harmful gases and particulate, and combustion engine energy-saving emission reduction work is very urgent.In addition, sharply increase along with internal-combustion engine recoverable amount, annual people's life and the property loss causing because of traffic accident increases year by year, and vehicle safety is more and more subject to people's attention, and increasing country classifies auxiliary braking system one of as indispensable annex of vehicle.Yet at present auxiliary braking system mostly exist in running brake member easily overheated, retardation efficiency reduce too fast, stopping power controllable degree is low, the easy sideslip of vehicle, braking system take the limited problems such as vehicle space during braking.Changeable air valve technology is being improved engine performance and in the potentiality aspect internal-combustion engine auxiliary braking, is being subject to the extensive concern of internal-combustion engine research institution and enterprise because of it.Yet the current automobile-used Variabale valve actuation system of having changed exists contradiction at aspects such as valve adjustments flexibility ratio and system architecture complexity, costs mostly, and these systems are generally used for internal combustion engine drive field, seldom for auxiliary braking field.
Consider, electrolyte type Variabale valve actuation system is the system of at present tool potentiality.Tradition electrolyte type system adopts rail fuel system altogether, and along with the increase of internal combustion (IC) engine cylinder number, single cylinder valve number and rotating speed, this system exists following two problems to have to be solved: 1) have that common rail pipe is bulky, the problem of difficulty in arrangement; 2) because the quantity of the high-speed large-flow solenoid valve using in system is too much, and the solenoid valve cost being determined by current solenoid valve material and processing technology is higher, and therefore, the holistic cost of this system is higher.These problems have caused the practical comparatively difficulty of traditional electrolyte type system.
For the problem of traditional electrolyte type system space difficult arrangement, there is a kind of cam oil feeding type electricity liquid valve actuation system, this system adopts the mode of cam-plunger fuel feeding, because of it, cancels common rail pipe, and system space is arranged easily.Yet this system still exists following two problems to have to be solved: 1) the same with traditional electrolyte type system, this system still exists the problem that quantity is too much, system cost is higher of the required solenoid valve of system; 2) this system valve actuation adjustable extent is subject to the restriction of cam-plunger oil feeder fuel supply rate curve, cannot realize exhaust valve secondary opening event, cannot realize the desired changeable air valve event of braking mode etc. that the internal-combustion engine of 720 degree/circulations is become to the gas compressor of 360 degree/circulations, these have limited the functions expanding of this system.
For the existing problem of cam oil feeding type electricity liquid valve actuation system, there is in recent years a kind of double mode whole-variable valve actuating system, this system is by use drive-braking cycle device and mode converter, reduced solenoid valve quantity, and realized and meet internal combustion engine drive and the desired changeable air valve event of braking mode simultaneously.Yet this system still exists following two problems to have to be solved: the solenoid valve that 1) this system is used is two five-way valves, structure is comparatively complicated, and processing cost is higher; 2) under internal combustion engine drive pattern, this system cannot realize the changeable air valve event of closing in advance valve in the fuel feeding stage, this by limit this system idling for internal combustion engine and in the performance improvement degree of low operating mode, and these operating modes conventional operating mode of city vehicle exactly, oil consumption and emission behaviour when under these operating modes, the runnability of internal-combustion engine has determined vehicle actual motion to a great extent.
Summary of the invention
The object of the invention is to: 1) by design cycle selector, reach the object that only needs 2 two-position three-way valves and 1 2/2-way valve to realize internal combustion engine drive and the desired changeable air valve completely flexibly of braking mode event, thereby when realizing internal-combustion engine variable Valves Technology and auxiliary braking technology and unite two into one, significantly reduce system cost; 2) realize under internal combustion engine drive pattern, at the fuel feeding of oil feeder, in the stage, close in advance the changeable air valve event of valve, reach further idling for internal combustion engine and the middle low-load performance of improving, the oil consumption while improving vehicle actual motion and the object of emission behaviour, thereby the application potential of extension system; The final market acceptance level that improves native system.
The technical solution adopted in the present invention is: the multi-functional whole-variable valve actuating system of a kind of intensive style for 6 cylinder IC engines, mainly comprise the 1st oil feeder, the 2nd oil feeder, valve actuation device, the 1st two-position three-way valve, the 2nd two-position three-way valve, 2/2-way valve, mode converter, oil transfer pump, oil transportation one-way valve, oil transfer pump safety valve, security of system valve, the 1st one-way valve, the 2nd one-way valve, fuel tank and oil pipe, it also comprises rotary selector, described the 1st oil feeder and the 2nd oil feeder are cam-plunger type oil feeder of phase phase difference 180 degree camshaft degrees, its period of rotation is 240 Shaft angles of writing music, oil transfer pump filler opening is connected with fuel tank, oil transfer pump oil outlet is connected with fuel tank by oil transfer pump safety valve, oil transfer pump oil outlet is connected with the 1st two-position three-way valve oil transportation mouth by oil transportation one-way valve simultaneously, be connected with the 2nd two-position three-way valve oil transportation mouth, and be connected with fuel tank by security of system valve, the 1st oil feeder is connected with the 1st two-position three-way valve oil-feed port, the 2nd oil feeder is connected with the 2nd two-position three-way valve oil-feed port, the 1st two-position three-way valve drives mouth, rotary selector the 1st oil-feed port is connected with the 1st one-way valve oil outlet three, the 1st one-way valve filler opening is connected with fuel tank, the 2nd two-position three-way valve drives mouth, rotary selector the 2nd oil-feed port is connected with the 2nd one-way valve oil outlet three, the 2nd one-way valve filler opening is connected with fuel tank, rotary selector the 1st drain tap is connected with 2/2-way valve filler opening, 2/2-way valve oil outlet is connected with fuel tank, rotary selector the 2nd drain tap is connected with fuel tank, rotary selector the 1st drives mouth to drive oil-feed port to be connected with mode converter the 1st, rotary selector the 6th drives mouth to drive oil-feed port to be connected with mode converter the 6th, rotary selector the 2nd drives mouth to drive oil-feed port to be connected with mode converter the 2nd, rotary selector the 5th drives mouth to drive oil-feed port to be connected with mode converter the 5th, rotary selector the 3rd drives mouth to drive oil-feed port to be connected with mode converter the 3rd, rotary selector the 4th drives mouth to drive oil-feed port to be connected with mode converter the 4th, mode converter the 1st drives mouth, mode converter the 6th drives mouth, mode converter the 2nd drives mouth, mode converter the 5th drives mouth, mode converter the 3rd drives mouthful and mode converter the 4th drives mouthful respectively and 1 cylinder, 6 cylinders, 2 cylinders, 5 cylinders, the valve actuation device of 3 cylinders and 4 cylinders is connected, for take, as arrange-take, arrange as entering the spontaneous intake type internal combustion engine of braking mode, rotary selector the 1st brake port is connected with mode converter the 1st braking oil-feed port, rotary selector the 2nd brake port is connected with mode converter the 2nd braking oil-feed port, rotary selector the 3rd brake port is connected with mode converter the 3rd braking oil-feed port, for take turbocharging type or the spontaneous intake type internal combustion engine of arranging as row's braking mode as entering-take, rotary selector the 1st brake port is connected with mode converter the 3rd braking oil-feed port, rotary selector the 2nd brake port is connected with mode converter the 1st braking oil-feed port, rotary selector the 3rd brake port is connected with mode converter the 2nd braking oil-feed port, the internal-combustion engine of the integral multiple that is 6 for cylinder number, according to ignition order 120 the write music Shaft angle groupings of being separated by, one group, every 6 cylinder, every group adopts a set of above-mentioned Variabale valve actuation system.
Rotary selector adopts three layers of nesting type structure, be followed successively by from outside to inside the rotary selector shell that has hydraulic fluid port, the rotary selector axle sleeve of axially grooved and perforate and radially the rotary selector axle core of fluting, wherein, rotary selector axle core is driven by I. C. engine crankshaft by gear or chain wheel driving mechanism, every 720 Shaft angles of writing music rotate 1 week, rotary selector axle sleeve is fixedly nested in rotary selector enclosure, will be according to internal-combustion engine firing order, continuous rotation along with rotary selector axle core, rotary selector the 1st drives mouth, rotary selector the 2nd drives mouthful and rotary selector the 3rd drives mouthful all at intervals respectively with rotary selector forward oil-feed port or rotary selector the 1st drain tap or rotary selector the 2nd drain tap and is connected, rotary selector the 4th drives mouth, rotary selector the 5th drives mouthful and rotary selector the 6th drives mouthful all at intervals respectively with the reverse oil-feed port of rotary selector or rotary selector the 1st drain tap or rotary selector the 2nd drain tap and is connected, rotary selector the 1st brake port, rotary selector the 2nd brake port and rotary selector the 3rd brake port are all connected with rotary selector forward oil-feed port or the reverse oil-feed port of rotary selector or rotary selector the 1st drain tap or rotary selector the 2nd drain tap respectively at intervals.
The invention has the beneficial effects as follows: (a) only to adopt 2 oil feeders be when all valve actuating mechanisms that enter (row) valve of internal-combustion engine provide hydraulic oil to the multi-functional whole-variable valve actuating system of this intensive style for 6 cylinder IC engines realizing, can realize and only need 2 two-position three-way valves and 1 2/2-way valve to carry out all valve actuating mechanisms that enter (row) valve of controlling combustion engine, can realize changeable air valve event completely flexibly, compared with double mode whole-variable valve actuating system, greatly simplified the structure of the required solenoid valve of system, reduced the cost of system, improved the acceptance level in market, (b) compared with double mode whole-variable valve actuating system, the valve adjustments scope of native system is further expanded, can realize under internal combustion engine drive pattern, at the fuel feeding of oil feeder, in the stage, close in advance the changeable air valve event of valve, reach further idling for internal combustion engine and the middle low-load performance of improving, oil consumption while improving vehicle actual motion and the object of emission behaviour, thereby the application potential of extension system, (c) rotary selector and the mode converter according to internal combustion (IC) engine cylinder number and firing order design matches, can meet the desired changeable air valve event of internal combustion engine drive and braking mode simultaneously, by regulating two-position three-way valve and 2/2-way valve can change driving and the braking effect of internal-combustion engine, thereby realize, internal-combustion engine variable Valves Technology and auxiliary braking technology are united two into one, reduce car accessories, greatly reduced cost, (d) rotary selector adopts three layers of nested structure of axle core-axle sleeve-shell, and axle core-shaft room is for being rotatably assorted, between axle sleeve-shell, be static cooperation, hydraulic fluid port position can need to regulate according to as installed, good manufacturability, maintenance and change simple and conveniently, cost is low, (e) between various parts, adopt oil pipe to connect, this arranges very favourable to system in application vehicle, (f) for different modes of braking, only need to change 3 connecting objects that hydraulic fluid port is corresponding on mode converter, system is good to the type adaptability of practical application, applied range.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the intensive multi-functional whole-variable valve actuating system schematic diagram of 6 cylinder IC engines of single valve.
Fig. 2 is the intensive multi-functional whole-variable valve actuating system rotary selector plan views of 6 cylinder IC engines.
Fig. 3 is the intensive multi-functional whole-variable valve actuating system rotary selector left views of 6 cylinder IC engines.
Fig. 4 is intensive multi-functional whole-variable valve actuating system rotary selector the 1st drain tap sectional views of 6 cylinder IC engines.
Fig. 5 is the intensive multi-functional whole-variable valve actuating system rotary selector plan views of 6 cylinder IC engines.
Fig. 6 is the intensive multi-functional whole-variable valve actuating system rotary selector A-A cross-sectional views of 6 cylinder IC engines.
Fig. 7 is the intensive multi-functional whole-variable valve actuating system rotary selector B-B cross-sectional views of 6 cylinder IC engines.
Fig. 8 is the intensive multi-functional whole-variable valve actuating system rotary selector C-C cross-sectional views of 6 cylinder IC engines.
Fig. 9 is the intensive multi-functional whole-variable valve actuating system rotary selector D-D cross-sectional views of 6 cylinder IC engines.
Figure 10 is the intensive multi-functional whole-variable valve actuating system rotary selector E-E cross-sectional views of 6 cylinder IC engines.
Figure 11 is the intensive multi-functional whole-variable valve actuating system rotary selector F-F cross-sectional views of 6 cylinder IC engines.
Figure 12 is the intensive multi-functional whole-variable valve actuating system rotary selector G-G cross-sectional views of 6 cylinder IC engines.
Figure 13 is the intensive multi-functional whole-variable valve actuating system rotary selector H-H cross-sectional views of 6 cylinder IC engines.
Figure 14 is the intensive multi-functional whole-variable valve actuating system rotary selector I-I cross-sectional views of 6 cylinder IC engines.
Figure 15 is the intensive multi-functional whole-variable valve actuating system rotary selector J-J cross-sectional views of 6 cylinder IC engines.
Figure 16 is the intensive multi-functional whole-variable valve actuating system rotary selector K-K cross-sectional views of 6 cylinder IC engines.
Figure 17 is the intensive multi-functional whole-variable valve actuating system rotary selector S-S cross-sectional views of 6 cylinder IC engines.
Figure 18 is the intensive multi-functional whole-variable valve actuating system rotary selector M-M cross-sectional views of 6 cylinder IC engines.
Figure 19 is the intensive multi-functional whole-variable valve actuating system rotary selector N-N cross-sectional views of 6 cylinder IC engines.
Figure 20 is the intensive multi-functional whole-variable valve actuating system rotary selector O-O cross-sectional views of 6 cylinder IC engines.
Figure 21 is the intensive multi-functional whole-variable valve actuating system rotary selector P-P cross-sectional views of 6 cylinder IC engines.
Figure 22 is the intensive multi-functional whole-variable valve actuating system rotary selector Q-Q cross-sectional views of 6 cylinder IC engines.
Figure 23 is the intensive multi-functional whole-variable valve actuating system rotary selector R-R cross-sectional views of 6 cylinder IC engines.
Figure 24 is the intensive multi-functional whole-variable valve actuating system rotary selector S-S cross-sectional views of 6 cylinder IC engines.
Figure 25 is the intensive multi-functional whole-variable valve actuating system rotary selector T-T cross-sectional views of 6 cylinder IC engines.
Figure 26 is the intensive multi-functional whole-variable valve actuating system rotary selector U-U cross-sectional views of 6 cylinder IC engines.
Figure 27 is the intensive multi-functional whole-variable valve actuating system rotary selector V-V cross-sectional views of 6 cylinder IC engines.
Figure 28 is the intensive multi-functional whole-variable valve actuating system rotary selector W-W cross-sectional views of 6 cylinder IC engines.
Figure 29 is the intensive multi-functional whole-variable valve actuating system rotary selector X-X cross-sectional views of 6 cylinder IC engines.
Figure 30 is the intensive multi-functional whole-variable valve actuating system rotary selector Y-Y cross-sectional views of 6 cylinder IC engines.
Figure 31 is the intensive multi-functional whole-variable valve actuating system rotary selector Z-Z cross-sectional views of 6 cylinder IC engines.
Figure 32 is the intensive multi-functional whole-variable valve actuating system rotary selector A1-A1 cross-sectional views of 6 cylinder IC engines.
Figure 33 is the intensive multi-functional whole-variable valve actuating system rotary selector B1-B1 cross-sectional views of 6 cylinder IC engines.
Figure 34 is the intensive multi-functional whole-variable valve actuating system rotary selector C1-C1 cross-sectional views of 6 cylinder IC engines.
Figure 35 is the intensive multi-functional whole-variable valve actuating system rotary selector D1-D1 cross-sectional views of 6 cylinder IC engines.
Figure 36 is the intensive multi-functional whole-variable valve actuating system rotary selector E1-E1 cross-sectional views of 6 cylinder IC engines.
Figure 37 is the intensive multi-functional whole-variable valve actuating system rotary selector F1-F1 cross-sectional views of 6 cylinder IC engines.
Figure 38 is the intensive multi-functional whole-variable valve actuating system rotary selector G1-G1 cross-sectional views of 6 cylinder IC engines.
Figure 39 is the intensive multi-functional whole-variable valve actuating system rotary selector H1-H1 cross-sectional views of 6 cylinder IC engines.
Figure 40 is the intensive multi-functional whole-variable valve actuating system rotary selector I1-I1 cross-sectional views of 6 cylinder IC engines.
Figure 41 is the intensive multi-functional whole-variable valve actuating system rotary selector J1-J1 cross-sectional views of 6 cylinder IC engines.
Figure 42 is the intensive multi-functional whole-variable valve actuating system rotary selector K1-K1 cross-sectional views of 6 cylinder IC engines.
Figure 43 is the intensive multi-functional whole-variable valve actuating system rotary selector S1-S1 cross-sectional views of 6 cylinder IC engines.
Figure 44 is the intensive multi-functional whole-variable valve actuating system mode converter plan views of 6 cylinder IC engines.
Figure 45 is the intensive multi-functional whole-variable valve actuating system mode converter left views of 6 cylinder IC engines.
Figure 46 is the intensive multi-functional whole-variable valve actuating system mode converter plan views of 6 cylinder IC engines.
Figure 47 is the intensive multi-functional whole-variable valve actuating system overall schematic of 6 cylinder IC engines.
In figure: 1, 2/2-way valve, 1a, 2/2-way valve oil outlet, 1b, 2/2-way valve filler opening, 2, fuel tank, 3, the 1st one-way valve, 4, oil transportation one-way valve, 5, oil transfer pump, 6, oil transfer pump safety valve, 7, security of system valve, 8, the 1st oil feeder, 9, the 2nd oil feeder, 10, the 2nd two-position three-way valve, 10a, the 2nd two-position three-way valve oil-feed port, 10b, the 2nd two-position three-way valve oil transportation mouth, 10c, the 2nd two-position three-way valve drives mouth, 11, the 2nd one-way valve, 12, the 1st two-position three-way valve, 12a, the 1st two-position three-way valve oil-feed port, 10b, the 1st two-position three-way valve oil transportation mouth, 12c, the 1st two-position three-way valve drives mouth, 13, rotary selector, 13a, rotary selector the 2nd oil-feed port, 13b, rotary selector the 1st oil-feed port, 13c, rotary selector the 1st drain tap, 13d, rotary selector the 2nd drain tap, 13e, rotary selector the 1st drives mouth, 13f, rotary selector the 1st brake port, 13g, rotary selector the 6th drives mouth, 13h, rotary selector the 2nd drives mouth, 13i, rotary selector the 2nd brake port, 13j, rotary selector the 5th drives mouth, 13k, rotary selector the 3rd drives mouth, 13s, rotary selector the 3rd brake port, 13m, rotary selector the 4th drives mouth, 13n, rotary selector shell, 13o, rotary selector axle sleeve, 13p, rotary selector axle core, 14, mode converter, 14a, mode converter the 1st drives oil-feed port, 14b, mode converter the 1st braking oil-feed port, 14c, mode converter the 6th drives oil-feed port, 14d, mode converter the 2nd drives oil-feed port, 14e, mode converter the 2nd braking oil-feed port, 14f, mode converter the 5th drives oil-feed port, 14g, mode converter the 3rd drives oil-feed port, 14h, mode converter the 3rd braking oil-feed port, 14i, mode converter the 4th drives oil-feed port, 14j, mode converter the 1st drives mouth, 14k, mode converter the 6th drives mouth, 14s, mode converter the 2nd drives mouth, 14m, mode converter the 5th drives mouth, 14n, mode converter the 3rd drives mouth, 14o, mode converter the 4th drives mouth, 14p, mode converter shell, 14q, mode converter axle sleeve, 14r, mode converter axle core, 15, valve actuation device.
Embodiment
The present invention is illustrated as example as arrange-take to arrange as entering the system of the 1-5-3-6-2-4 formula spontaneous intake type internal combustion engine of braking mode to be applied to adopt take, take 2/2-way valve as normally close valve, during two-position three-way valve no electric circuit, two-position three-way valve oil transportation mouth is connected with two-position three-way valve oil-feed port, and it is example that two-position three-way valve drives a mouthful obstruction.
Fig. 1 shows the intensive multi-functional whole-variable valve actuating system schematic diagram of single valve 6 cylinder IC engines.Due to the design feature of native system, 15 work of valve actuation device are determined jointly by the characteristics of motion of the 1st oil feeder the 8, the 2nd oil feeder 9 and rotary selector 13 and the working state of mode converter 14, the 1st two-position three-way valve the 12, the 2nd two-position three- way valve 10 and 2/2-way valve 1.According to the working state of mode converter 14, valve actuation device 15 working procedure can be divided into drive pattern and braking mode, its working procedure is:
(1) drive pattern
When internal-combustion engine is during in drive pattern as power source, drive pattern transducer 14, Holdover mode transducer the 1st drives oil-feed port 14a and mode converter the 1st to drive mouthful 14j to be communicated with, and mode converter the 1st braking oil-feed port 14b and mode converter the 1st drive mouthful 14j to disconnect.Rotary selector the 1st drives a mouthful 13e not to be connected all the time with rotary selector the 2nd oil-feed port 13a, therefore, valve actuation device 15 can only be worked in the scope of the characteristics of motion restriction by the 1st oil feeder 7 and rotary selector 13, and the working state by the 1st two-position three- way valve 12 and 2/2-way valve 1 within the scope of this regulates concrete valve Operational Limits, and its working procedure is:
(1) valve can the driven stage
Within this stage, rotary selector the 1st drives a mouthful 13e to be connected with rotary selector the 1st oil-feed port 13b, and rotary selector the 1st drives mouthful 13e and rotary selector the 2nd drain tap 13d to disconnect.Valve actuation oil circuit under drive pattern, rotary selector the 1st oil-feed port 13b, rotary selector the 1st drive a mouthful 13e, mode converter the 1st to drive oil-feed port 14a and mode converter the 1st to drive a mouthful 14j to be communicated with completely.
(a) the 1st 8 fuel feeding stages of oil feeder
Now, rotary selector the 1st drives a mouthful 13e to be connected with rotary selector the 1st drain tap 13c.The 1st draining oil circuit under drive pattern, mode converter the 1st drives a mouthful 14j, mode converter the 1st to drive oil-feed port 14a, rotary selector the 1st to drive mouthful 13e and rotary selector the 1st drain tap 13c to be communicated with completely.Can realize:
A) valve opening process: when the 1st oil feeder 8 enters fuel feeding during the stage, when valve actuation unlatching timing signal does not reach, the 1st two-position three-way valve 12 and 2/2-way valve 1 are not all energized, the 1st two-position three-way valve oil-feed port 12a is connected with the 1st two-position three-way valve the 1st oil transportation mouth 12b, and the 1st two-position three-way valve drives mouthful 12c blocked; 2/2-way valve filler opening 1b and 2/2-way valve oil outlet 1a disconnect.Hydraulic oil in the 1st oil feeder 8 is got back to fuel tank 2 by the 1st two-position three-way valve 12, security of system valve 7.When valve actuation is opened the arrival of timing signal, the 1st two-position three-way valve 12 is energized, and the 1st two-position three-way valve oil-feed port 12a drives a mouthful 12c to be connected with the 1st two-position three-way valve, and the 1st two-position three-way valve the 1st oil transportation mouth 12b is blocked.Hydraulic oil in the 1st oil feeder 8 passes through after the 1st two-position three-way valve 12, then by the valve actuation oil circuit under drive pattern, enters in valve actuation device 15, overcomes the active force of valve actuation device 15 springs, drives valve opening.
B) valve opening keeps: when valve actuation stops timing signal and reaches, the 1st two-position three-way valve 12 is not energized, and the 1st two-position three-way valve oil-feed port 12a is connected with the 1st two-position three-way valve the 1st oil transportation mouth 12b, and the 1st two-position three-way valve drives mouth 12c blocked.Hydraulic oil in valve actuation device 15 gets clogged, and valve remains on maximum lift position.Now the 1st oil feeder 8 is still in fuel feeding during the stage, and the hydraulic oil in the 1st oil feeder 8 is pushed back in fuel tank 2 by the 1st two-position three-way valve 12, security of system valve 7.
C) valve draining is closed: when valve actuation draining, close timing signal while reaching, 2/2-way valve 1 is energized, and 2/2-way valve filler opening 1b is connected with 2/2-way valve oil outlet 1a.Under the effect of valve actuation device 15 springs, the hydraulic oil in valve actuation device 15 is by the 1st draining oil circuit under drive pattern, and 2/2-way valve 1 is got back in fuel tank 2, has realized the draining closing process of valve.Now the 1st oil feeder 8 is still in fuel feeding during the stage, and the hydraulic oil in the 1st oil feeder 8 is pushed back in fuel tank 2 by the 1st two-position three-way valve 12, security of system valve 7.
(b) the 1st 8 oil suction stages of oil feeder
Now, rotary selector the 1st drives mouthful 13e and rotary selector the 1st drain tap 13c to disconnect.Can realize:
A) valve opening keeps: when the 1st two-position three-way valve 12 is not energized, the hydraulic oil in valve actuation device 15 gets clogged, and valve remains on maximum lift position.Now the 1st oil feeder 8 is still in oil suction during the stage, and the hydraulic oil in fuel tank 2 enters in the 1st oil feeder 8 by oil transfer pump 5, oil transportation one-way valve 4, the 1st two-position three-way valve 12.
B) valve oil suction is closed: when valve oil suction, close timing signal while reaching, the 1st two-position three-way valve 12 is energized, and the 1st two-position three-way valve oil-feed port 12a drives a mouthful 12c to be connected with the 1st two-position three-way valve, and the 1st two-position three-way valve the 1st oil transportation mouth 12b is blocked.Under the effect of valve actuation device 15 springs and the 1st oil feeder 8 oil suctions, the hydraulic oil in valve actuation device 15 is got back in the 1st oil feeder 8 by the driving oil circuit under drive pattern, the 1st two-position three-way valve 12, has realized the oil suction closing process of valve.
(2) valve-closing keeps the stage
In this stage, rotary selector 13 drives mouthful 13e to disconnect rotary selector the 1st oil-feed port 13b and rotary selector the 1st, drive mouthful 13e to disconnect rotary selector the 1st drain tap 13c and rotary selector the 1st, drive a mouthful 13e to be communicated with rotary selector the 1st rotary selector the 2nd drain tap 13d.The 2nd draining oil circuit under drive pattern, mode converter the 1st drives a mouthful 14j, mode converter the 1st to drive oil-feed port 14a, rotary selector the 1st to drive mouthful 13e and rotary selector the 2nd drain tap 13d to be communicated with completely.Valve actuation device 15 is connected with fuel tank 6 by the 2nd draining oil circuit under drive pattern, and that can realize valve closes and close maintenance, can replace lash adjuster.
(2) braking mode
When internal-combustion engine is when conduct consumes the braking mode in source, 14 motions of drive pattern transducer, drive mouthful 14j to be communicated with mode converter the 1st braking oil-feed port 14b and mode converter the 1st, mode converter the 1st drives oil-feed port 14a and mode converter the 1st to drive mouthful 14j to disconnect.Now, the operating range of valve actuation device 15 is subject to the characteristics of motion restriction of the 1st oil feeder 8 or the 2nd oil feeder 9 and rotary selector 13, and within the scope of this, by the 1st two-position three-way valve 12 or the 2nd two-position three- way valve 10 and 2/2-way valve 1 working state, regulate concrete valve Operational Limits, its working procedure is:
(1) valve can be by the 1st 8 driving stages of oil feeder
This stage is the operation period of a fuel feeding+oil suction starting from fuel feeding starting point of the 1st oil feeder 8.Simultaneously, rotary selector 13 is communicated with rotary selector the 1st oil-feed port 13b and rotary selector the 1st brake port 13f, rotary selector the 2nd oil-feed port 13a and rotary selector the 1st brake port 13f are disconnected, rotary selector the 2nd drain tap 13d and rotary selector the 1st brake port 13f are disconnected.The 1st valve brake circuit under braking mode, rotary selector the 1st oil-feed port 13b, rotary selector the 1st brake port 13f, mode converter the 1st braking oil-feed port 14b, mode converter the 1st drive a mouthful 14j to be communicated with completely.
(a) the 1st 8 fuel feeding stages of oil feeder
(b) the 1st 8 oil suction stages of oil feeder
(2) valve-closing keeps the stage
In this stage, rotary selector 13 disconnects rotary selector the 1st oil-feed port 13b and rotary selector the 1st brake port 13f, rotary selector the 2nd oil-feed port 13a and rotary selector the 1st brake port 13f are disconnected, rotary selector the 1st drain tap 13c and rotary selector the 1st brake port 13f are disconnected, rotary selector the 2nd drain tap 13d is communicated with rotary selector the 1st brake port 13f.Now, the 2nd draining oil circuit under braking mode, mode converter the 1st drives a mouthful 14j, mode converter the 1st braking oil-feed port 14b, rotary selector the 1st brake port 13f and rotary selector the 2nd drain tap 13d to be communicated with completely.Valve actuation device 15 is connected with fuel tank 2 by the 2nd draining oil circuit under braking mode, and that can realize valve closes and close maintenance, can replace lash adjuster.
(3) valve can be by the 2nd 9 driving stages of oil feeder
This stage is the operation period of a fuel feeding+oil suction starting from fuel feeding starting point of the 2nd oil feeder 9.Rotary selector 13 disconnects rotary selector the 1st oil-feed port 13b and rotary selector the 1st brake port 13f, rotary selector the 2nd oil-feed port 13a and rotary selector the 1st brake port 13f are communicated with, rotary selector the 2nd drain tap 13d and rotary selector the 1st brake port 13f are disconnected.The 2nd valve actuation oil circuit under braking mode, rotary selector the 2nd oil-feed port 13a, rotary selector the 1st brake port 13f, mode converter the 1st braking oil-feed port 14b, mode converter the 1st drive a mouthful 14j to be communicated with completely.
(a) the 2nd 9 fuel feeding stages of oil feeder
(b) the 2nd 9 oil suction stages of oil feeder
(4) valve-closing keeps the stage
This stage is the same with the 2nd stage of braking mode, no longer repeats herein.
Due at a rotary selector in the operation period, drive pattern has 1 valve can the driven stage, and braking mode there are 2 valves can the driven stage, therefore, can realize the desired changeable air valve event of braking mode etc. of the gas compressor of 360 degree/circulations.
Fig. 2-5 are respectively the intensive multi-functional whole-variable valve actuating system rotary selector plan view of 6 cylinder IC engines, left view, the 1st drain tap sectional view and plan view, and Fig. 6-43 are cross-sectional views of intensive multi-functional each oil duct of whole-variable valve actuating system rotary selector plan view of 6 cylinder IC engines.Requirement valve being opened and closed according to the internal-combustion engine under driving and braking mode, can draw the 1st oil feeder the 8, the 2nd oil feeder 9, the valve actuation device of each cylinder, the connected relation of fuel tank 2 relative crank angles, in Table 1.It is worth noting that table 1, for not considering the rough connected relation of concrete internal-combustion engine practical operation situation, in actual applications, should be revised according to data in the actual requirement his-and-hers watches of internal-combustion engine.
The connected relation of table 1 the 1st oil feeder the 8, the 2nd oil feeder 9, valve actuation device, fuel tank 2 relative crank angles
According to the requirement of table 1, rotary selector 13 adopts three layers of nesting type structure, be followed successively by from outside to inside the rotary selector shell 13n that has hydraulic fluid port, the rotary selector axle sleeve 13o of axially grooved and perforate and radially the rotary selector axle core 13p of fluting, wherein, rotary selector axle core 13p is driven by I. C. engine crankshaft by gear or chain wheel driving mechanism, every 720 Shaft angles of writing music rotate 1 week, it is inner that rotary selector axle sleeve 13o is fixedly nested in rotary selector shell 13n, will be according to internal-combustion engine firing order, continuous rotation along with rotary selector axle core 13p, the groove and the hole that utilize groove that rotary selector axle core 13p radially opens and rotary selector axle sleeve 13o axially to open are carried out connected sum disconnection by each hydraulic fluid port on rotary selector shell 13n according to the requirement of table 1.The connected relation of the relative crank angle of each hydraulic fluid port on rotary selector 13 is as shown in table 2, and the connected relation of rotary selector corner is as shown in table 3 relatively.
The connected relation of the relative crank angle of each hydraulic fluid port on table 2 rotary selector 13
The connected relation of the relative rotary selector of each hydraulic fluid port on table 3 rotary selector 13
Requirement valve being opened and closed according to internal-combustion engine under braking mode, for take, as arrange-take, arrange as entering the spontaneous intake type internal combustion engine of braking mode, rotary selector the 1st brake port 13f is connected with mode converter the 1st braking oil-feed port 14b, rotary selector the 2nd brake port 13i is connected with mode converter the 2nd braking oil-feed port 14e, and rotary selector the 3rd brake port 13s is connected with mode converter the 3rd braking oil-feed port 14h; For take turbocharging type or the spontaneous intake type internal combustion engine of arranging as row's braking mode as entering-take, rotary selector the 1st brake port 13f is connected with mode converter the 3rd braking oil-feed port 14h, rotary selector the 2nd brake port 13i is connected with mode converter the 1st braking oil-feed port 14b, and rotary selector the 3rd brake port 13s is connected with mode converter the 2nd braking oil-feed port 14e.Wherein, employing be take and is arranged spontaneous intake type internal combustion engine as entering braking mode in the situation that needs are braked as arrange-take, valve actuation system is opened intake valve near top dead center, and the pressurized gas in cylinder is discharged along intake duct, and pressurized gas does work to piston when reducing descent of piston; Near lower dead center, open exhaust valve, air is sucked to cylinder from air outlet flue, the negative work of piston compression gas when increasing piston stroking upward.Employing take as entering-take to arrange as row's turbocharging type of braking mode or spontaneous intake type internal combustion engine are in the situation that needs are braked, valve actuation system is opened exhaust valve near top dead center, pressurized gas in cylinder is discharged along air outlet flue, and pressurized gas does work to piston when reducing descent of piston; Near lower dead center, open intake valve, air is sucked to cylinder from intake duct, the negative work of piston compression gas when increasing piston stroking upward.
Figure 44-46 are the intensive multi-functional continuous variable valve drive system mode converter plan view of 6 cylinder IC engines, left view and plan view.According to the requirement of table 1, can obtain under different mode, the connected relation of each oil circuit on mode converter 11, as shown in table 4.
The relative crank angle of connected relation of each oil circuit on table 4 mode converter 11
And then consider the requirement of the aspects such as manufacturability, installation, mode converter 14 adopts three layers of nesting type structure, is followed successively by from inside to outside the mode converter axle core 14r of fluting radially, the mode converter axle sleeve 14q of axially grooved and perforate and with the mode converter shell 14p of oil connection.When internal-combustion engine is in drive pattern lower time, drive pattern transducer 14, the state of mode converter 14 in Figure 44-46, now, mode converter the 1st drives a mouthful 14j, mode converter the 6th drives a mouthful 14k, mode converter the 2nd drives a mouthful 14s, mode converter the 5th drives a mouthful 14m, mode converter the 3rd drives mouthful 14n and mode converter the 4th to drive mouthful 14o to drive oil-feed port 14a with mode converter the 1st respectively, mode converter the 6th drives oil-feed port 14c, mode converter the 2nd drives oil-feed port 14d, mode converter the 5th drives oil-feed port 14f, mode converter the 3rd drives oil-feed port 14g to drive oil-feed port 14i to be connected with mode converter the 4th, mode converter the 1st braking oil-feed port 14b, mode converter the 2nd braking oil-feed port 14e and mode converter the 3rd braking oil-feed port 14h are all blocked, meet the requirement of internal combustion engine drive pattern, when internal-combustion engine is in braking mode lower time, drive pattern transducer 14 makes mode converter axle core 14m turn over several angle, this example is for turning over clockwise 90 degree, now, mode converter the 1st drives mouthful 14j and mode converter the 6th to drive mouthful 14k to be all connected with mode converter the 1st braking oil-feed port 14b, mode converter the 2nd drives mouthful 14s and mode converter the 5th to drive mouthful 14m to be all connected with mode converter the 2nd braking oil-feed port 14e, mode converter the 3rd drives mouthful 14n and mode converter the 4th to drive mouthful 14o to be all connected with mode converter the 3rd braking oil-feed port 14h, mode converter the 1st drives oil-feed port 14a, mode converter the 6th drives oil-feed port 14c, mode converter the 2nd drives oil-feed port 14d, mode converter the 5th drives oil-feed port 14f, mode converter the 3rd drives oil-feed port 14g and mode converter the 4th to drive oil-feed port 14i all blocked, meet the requirement of internal-combustion engine braking mode.
Should be noted that mode converter in this example, rotary selector all adopt three layers of nested structure to obtain manufacturability, reduce the quantity of oil pipe, improve level of integrated system.The concrete structures such as the structure of the two and oil pipe position all require to adjust to adapt to application vehicle according to as installed.
Figure 47 shows the multi-functional whole-variable valve actuating system overall schematic of intensive style of 6 cylinder IC engines, mainly comprise the 1st oil feeder the 8, the 2nd oil feeder 9, valve actuation device 15, the 1st two-position three-way valve the 12, the 2nd two-position three-way valve 10,2/2-way valve 1, mode converter 14, oil transfer pump 5, oil transportation one-way valve 4, oil transfer pump safety valve 6, security of system valve 7, the 1st one-way valve the 3, the 2nd one-way valve 11, fuel tank 2 and oil pipe, it also comprises rotary selector 13, described the 1st oil feeder 8 and the 2nd oil feeder 9 are cam-plunger type oil feeder of phase phase difference 180 degree camshaft degrees, its period of rotation is 240 Shaft angles of writing music, oil transfer pump 5 filler openings are connected with fuel tank 2, oil transfer pump 5 oil outlets are connected with fuel tank 2 by oil transfer pump safety valve 6, oil transfer pump 5 oil outlets are connected with the 1st two-position three-way valve oil transportation mouth 12b by oil transportation one-way valve 4 simultaneously, be connected with the 2nd two-position three-way valve oil transportation mouth 10b, and be connected with fuel tank 2 by security of system valve 7, the 1st oil feeder 8 is connected with the 1st two-position three-way valve oil-feed port 12a, the 2nd oil feeder 9 is connected with the 2nd two-position three-way valve oil-feed port 10a, the 1st two-position three-way valve drives a mouthful 12c, rotary selector the 1st oil-feed port 13b is connected with the 1st one-way valve 3 oil outlet threes, the 1st one-way valve 3 filler openings are connected with fuel tank 2, the 2nd two-position three-way valve drives a mouthful 10c, rotary selector the 2nd oil-feed port 13a is connected with the 2nd one-way valve 11 oil outlet threes, the 2nd one-way valve 11 filler openings are connected with fuel tank 2, rotary selector the 1st drain tap 13c is connected with 2/2-way valve filler opening 1b, 2/2-way valve oil outlet 1a is connected with fuel tank 2, rotary selector the 2nd drain tap 13d is connected with fuel tank 2, rotary selector the 1st drives mouthful 13e to drive oil-feed port 14a to be connected with mode converter the 1st, rotary selector the 6th drives mouthful 13g to drive oil-feed port 14c to be connected with mode converter the 6th, rotary selector the 2nd drives mouthful 13h to drive oil-feed port 14d to be connected with mode converter the 2nd, rotary selector the 5th drives mouthful 13j to drive oil-feed port 14f to be connected with mode converter the 5th, rotary selector the 3rd drives mouthful 13k to drive oil-feed port 14g to be connected with mode converter the 3rd, rotary selector the 4th drives mouthful 13m to drive oil-feed port 14i to be connected with mode converter the 4th, mode converter the 1st drives a mouthful 14j, mode converter the 6th drives a mouthful 14k, mode converter the 2nd drives a mouthful 14s, mode converter the 5th drives a mouthful 14m, mode converter the 3rd drive mouthful 14n and mode converter the 4th drive mouthful 14o respectively with 1 cylinder, 6 cylinders, 2 cylinders, 5 cylinders, the valve actuation device of 3 cylinders and 4 cylinders is connected, for take, as arrange-take, arrange as entering the spontaneous intake type internal combustion engine of braking mode, rotary selector the 1st brake port 13f is connected with mode converter the 1st braking oil-feed port 14b, rotary selector the 2nd brake port 13i is connected with mode converter the 2nd braking oil-feed port 14e, rotary selector the 3rd brake port 13s is connected with mode converter the 3rd braking oil-feed port 14h, for take turbocharging type or the spontaneous intake type internal combustion engine of arranging as row's braking mode as entering-take, rotary selector the 1st brake port 13f is connected with mode converter the 3rd braking oil-feed port 14h, rotary selector the 2nd brake port 13i is connected with mode converter the 1st braking oil-feed port 14b, rotary selector the 3rd brake port 13s is connected with mode converter the 2nd braking oil-feed port 14e, the internal-combustion engine of the integral multiple that is 6 for cylinder number (X doubly), according to ignition order 120 the write music Shaft angle groupings of being separated by, one group, every 6 cylinder, be divided into X group, every group adopts a set of above-mentioned Variabale valve actuation system.
To adopt to take, as arrange-take, arrange 1-5-3-6-2-4 formula naturally aspirated 6 cylinder IC engines as entering braking mode as example, under drive pattern, it is the valve actuation device fuel feeding of 1 cylinder, 2 cylinders and 3 cylinders at intervals that rotary selector 13 makes the 1st oil feeder 8, the 1st two-position three-way valve 12 and 2/2-way valve 1 match, and control at intervals the concrete keying parameter of the valve actuation device of 1 cylinder, 2 cylinders and 3 cylinders; The 2nd oil feeder 9 is the valve actuation device fuel feeding of 4 cylinders, 5 cylinders and 6 cylinders at intervals, and the 2nd two-position three-way valve 10 and 2/2-way valve 1 match, and controls at intervals the concrete keying parameter of the valve actuation device of 4 cylinders, 5 cylinders and 6 cylinders.At 720 Shaft angles of writing music, a rotary selector, in 13 operation period, opens and closes valve according to the order of 1 cylinder-4, cylinder-2, cylinder-6, cylinder-3, cylinder-5 cylinder, meets the requirement of drive pattern.Under braking mode, mode converter 14 makes the valve actuation device of internal-combustion engine be divided into 3 groups: 1 cylinder and 6 cylinders, 2 cylinders and 5 cylinders, 3 cylinders and 4 cylinders.The 1st oil feeder 8 or the 2nd oil feeder 9 are these three groups of valve actuation device fuel feeding at intervals, the 1st two-position three-way valve 12 and 2/2-way valve 1 match or the 2nd two-position three-way valve 10 and 2/2-way valve 1 match, and control at intervals the concrete keying parameter of these three groups of valve actuation devices.At 720 Shaft angles of writing music, a rotary selector, in 13 operation period, opens and closes valve according to the order of 1 cylinder+4, cylinder-3, cylinder+5, cylinder-2, cylinder+6, cylinder-1, cylinder+4, cylinder-3, cylinder+5, cylinder-2, cylinder+6 cylinder, meets the requirement of braking mode.
Claims (2)
1. the multi-functional whole-variable valve actuating system of the intensive style for 6 cylinder IC engines, it mainly comprises the 1st oil feeder (8), the 2nd oil feeder (9), valve actuation device (15), the 1st two-position three-way valve (12), the 2nd two-position three-way valve (10), 2/2-way valve (1), mode converter (14), oil transfer pump (5), oil transportation one-way valve (4), oil transfer pump safety valve (6), security of system valve (7), the 1st one-way valve (3), the 2nd one-way valve (11), fuel tank (2) and oil pipe, it is characterized in that: further comprising rotary selector (13), described the 1st oil feeder (8) and the 2nd oil feeder (9) are cam-plunger type oil feeder of phase phase difference 180 degree camshaft degrees, its period of rotation is 240 Shaft angles of writing music, oil transfer pump (5) filler opening is connected with fuel tank (2), oil transfer pump (5) oil outlet is connected with fuel tank (2) by oil transfer pump safety valve (6), oil transfer pump (5) oil outlet is connected with the 1st two-position three-way valve oil transportation mouth (12b) by oil transportation one-way valve (4) simultaneously, be connected with the 2nd two-position three-way valve oil transportation mouth (10b), and be connected with fuel tank (2) by security of system valve (7), the 1st oil feeder (8) is connected with the 1st two-position three-way valve oil-feed port (12a), the 2nd oil feeder (9) is connected with the 2nd two-position three-way valve oil-feed port (10a), the 1st two-position three-way valve drives mouthful (12c), rotary selector the 1st oil-feed port (13b) is connected with the 1st one-way valve (3) oil outlet three, the 1st one-way valve (3) filler opening is connected with fuel tank (2), the 2nd two-position three-way valve drives mouthful (10c), rotary selector the 2nd oil-feed port (13a) is connected with the 2nd one-way valve (11) oil outlet three, the 2nd one-way valve (11) filler opening is connected with fuel tank (2), rotary selector the 1st drain tap (13c) is connected with 2/2-way valve filler opening (1b), 2/2-way valve oil outlet (1a) is connected with fuel tank (2), rotary selector the 2nd drain tap (13d) is connected with fuel tank (2), rotary selector the 1st drives mouthful (13e) to drive oil-feed port (14a) to be connected with mode converter the 1st, rotary selector the 6th drives mouthful (13g) to drive oil-feed port (14c) to be connected with mode converter the 6th, rotary selector the 2nd drives mouthful (13h) to drive oil-feed port (14d) to be connected with mode converter the 2nd, rotary selector the 5th drives mouthful (13j) to drive oil-feed port (14f) to be connected with mode converter the 5th, rotary selector the 3rd drives mouthful (13k) to drive oil-feed port (14g) to be connected with mode converter the 3rd, rotary selector the 4th drives mouthful (13m) to drive oil-feed port (14i) to be connected with mode converter the 4th, mode converter the 1st drives mouthful (14j), mode converter the 6th drives mouthful (14k), mode converter the 2nd drives mouthful (14s), mode converter the 5th drives mouthful (14m), mode converter the 3rd drive mouthful (14n) and mode converter the 4th drive mouth (14o) respectively with 1 cylinder, 6 cylinders, 2 cylinders, 5 cylinders, the valve actuation device of 3 cylinders and 4 cylinders is connected, for take, as arrange-take, arrange as entering the spontaneous intake type internal combustion engine of braking mode, rotary selector the 1st brake port (13f) is connected with mode converter the 1st braking oil-feed port (14b), rotary selector the 2nd brake port (13i) is connected with mode converter the 2nd braking oil-feed port (14e), rotary selector the 3rd brake port (13s) is connected with mode converter the 3rd braking oil-feed port (14h), for take turbocharging type or the spontaneous intake type internal combustion engine of arranging as row's braking mode as entering-take, rotary selector the 1st brake port (13f) is connected with mode converter the 3rd braking oil-feed port (14h), rotary selector the 2nd brake port (13i) is connected with mode converter the 1st braking oil-feed port (14b), rotary selector the 3rd brake port (13s) is connected with mode converter the 2nd braking oil-feed port (14e), the internal-combustion engine of the integral multiple that is 6 for cylinder number (X doubly), according to ignition order 120 the write music Shaft angle groupings of being separated by, one group, every 6 cylinder, be divided into X group, every group adopts a set of above-mentioned Variabale valve actuation system.
2. the multi-functional whole-variable valve actuating system of a kind of intensive style for 6 cylinder IC engines according to claim 1, it is characterized in that: described rotary selector (13) adopts three layers of nesting type structure, be followed successively by from outside to inside the rotary selector shell (13n) that has hydraulic fluid port, the rotary selector axle sleeve (13o) of axially grooved and perforate and radially the rotary selector axle core (13p) of fluting, wherein, rotary selector axle core (13p) is driven by I. C. engine crankshaft by gear or chain wheel driving mechanism, every 720 Shaft angles of writing music rotate 1 week, rotary selector axle sleeve (13o) is fixedly nested in rotary selector shell (13n) inside, will be according to internal-combustion engine firing order, continuous rotation along with rotary selector axle core (13p), rotary selector the 1st drives mouthful (13e), rotary selector the 2nd drives mouthful (13h) and rotary selector the 3rd to drive mouth (13k) to be all connected with rotary selector forward oil-feed port (13b) or rotary selector the 1st drain tap (13c) or rotary selector the 2nd drain tap (13d) respectively at intervals, rotary selector the 4th drives mouthful (13m), rotary selector the 5th drives mouthful (13j) and rotary selector the 6th to drive mouth (13g) to be all connected with the reverse oil-feed port of rotary selector (13a) or rotary selector the 1st drain tap (13c) or rotary selector the 2nd drain tap (13d) respectively at intervals, rotary selector the 1st brake port (13f), rotary selector the 2nd brake port (13i) and rotary selector the 3rd brake port (13s) are all connected with rotary selector forward oil-feed port (13b) or the reverse oil-feed port of rotary selector (13a) or rotary selector the 1st drain tap (13c) or rotary selector the 2nd drain tap (13d) respectively at intervals.
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