CN102477878A - Variable valve actuator assembly integrated with valve bridge - Google Patents
Variable valve actuator assembly integrated with valve bridge Download PDFInfo
- Publication number
- CN102477878A CN102477878A CN2011101890647A CN201110189064A CN102477878A CN 102477878 A CN102477878 A CN 102477878A CN 2011101890647 A CN2011101890647 A CN 2011101890647A CN 201110189064 A CN201110189064 A CN 201110189064A CN 102477878 A CN102477878 A CN 102477878A
- Authority
- CN
- China
- Prior art keywords
- controlling element
- final controlling
- piston
- changeable
- variable control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
- F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/12—Transmitting gear between valve drive and valve
- F01L1/18—Rocking arms or levers
- F01L1/181—Centre pivot rocking arms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/047—Camshafts
- F01L1/053—Camshafts overhead type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2305/00—Valve arrangements comprising rollers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/03—Auxiliary actuators
- F01L2820/033—Hydraulic engines
Abstract
A integrated variable valve actuator assembly of a variable valve lift apparatus may include a rocker arm rotating on a rocker shaft and including an oil supply line with selectively provided oil, a fastener penetrating the side of the rocker arm and discharging oil supplied from the oil supply line through the oil passage, a valve bridge located at the bottom of the fastener and pressurizing valves, an actuator device including an actuator piston being inserted in the valve bridge and formed with an oil supply passage, and an actuator spring being inserted in the actuator piston and providing the actuator piston with elastic force, and a variable control device located at the bottom of the actuator piston and adjusting the heights of the actuator piston by a movement generated by the hydraulic pressure of oil supplied from the oil supply passage.
Description
The cross reference of related application
The preference that the korean patent application that the application requires to submit to Korea S Department of Intellectual Property on November 29th, 2010 is 10-2010-0119803 number, its full content is incorporated into this and is used for all purposes through this application.
Technical field
The application relates to a kind of changeable air valve actuator assembly of integration.More particularly; The application relates to changeable air valve actuator assembly a kind of and valve cross arm integration one; It comprises changeable controller and is positioned at the actuator apparatus of valve cross arm lower end, and this changeable air valve actuator assembly changes the height of this actuator apparatus through fuel feeding optionally.
Background technique
Internal-combustion engine through in the firing chamber in being drawn into the air dielectric of firing chamber combustion fuel produce power.Intake valve is operated so that suck air by camshaft, and air is inhaled into the firing chamber when intake valve is opened.In addition, exhaust valve receives the operation of camshaft, and in exhauxt valve opens, combustion mixture (being waste gas) is discharged from the firing chamber.
The Optimizing operation of intake valve/exhaust valve depends on the loading range of motor.In other words, suitable lift or valve timing change along with the engine loading scope.
Lift range variable equipment (VVL) is developed, so that the concrete suitable air door operation that realizes according to engine rotational speed.For this reason, according to the loading range of motor, valve is with different lift work.
Yet the problem of traditional lift range variable equipment is: the volume of this equipment is quite big, because it is irrelevant to change the device and the valve cross arm of valve lift; And when valve lift was regulated by hydraulic pressure, the hydraulic operation chamber was very big.In addition, also have such problem: the speed of response of system is slack-off widely, because the volume of the function circuit of generation pressure is very big.
The information in the background technique part of being disclosed in is just in order to strengthen the understanding for general background of the present invention, and can not regard as approved or any form hint darkly this information constituted existing technology for those of ordinary skill in the art knew.
Summary of the invention
Each side of the present invention has been devoted to address the above problem, and a kind of changeable air valve actuator assembly of integration of and valve cross arm integration one is provided.The changeable air valve actuator assembly of this integration comprises actuator apparatus and integrates the changeable controller of one with valve cross arm; Thereby the changeable air valve actuator assembly that should integrate can be controlled the lift of valve according to the loading range of motor, and improves response simultaneously.
All aspects of of the present invention provide a kind of and valve cross arm to integrate the changeable air valve actuator assembly of the integration of one, comprise rocking arm, and this rocking arm rotates on pitman arm shaft, and have to be positioned at and wherein be used for the optionally fuel supply line of fuel feeding; Fastening piece, this fastening piece passes the sidepiece of rocking arm, and discharges the oil of supplying with from said fuel supply line through the oil circuit that is formed at wherein; Valve cross arm, this valve cross arm are positioned at the lower end of said fastening piece and exert pressure to valve; Actuator apparatus; This actuator apparatus has final controlling element piston and final controlling element spring; This final controlling element piston is inserted in the said valve cross arm and is formed with the fuel feeding road; This fuel feeding road is used to discharge the oil that passes oil circuit, and this final controlling element spring is inserted in the said final controlling element piston and to the final controlling element piston and applies elastic force; And changeable controller, this changeable controller is positioned at the lower end of said final controlling element piston, and can under the effect of the pressure of the oil of being supplied with through the fuel feeding road, move, thereby changes the height of final controlling element piston.
All aspects of according to snap ring of the present invention are characterised in that this snap ring is positioned on the excircle of said final controlling element piston.
The changeable controller of All aspects of can comprise according to the present invention: variable control piston; This variable control piston is formed at the lower end of said final controlling element piston optionally to stop upwards perhaps moving downward of said final controlling element piston; And this variable control piston is inserted into inserting in the hole of changeable controller, and inserting in the hole of this changeable controller is formed at the bottom of said valve cross arm; Variable control spring, this variable control spring contact said variable control piston and on said variable control piston, apply elastic force; And discoid pieces, this discoid pieces supports said variable control spring.An aspect of said changeable controller is characterised in that, is provided with a plurality of changeable controllers.
Variable control piston according to each side of the present invention can comprise body and edge, and said body stops making progress of said final controlling element piston or moves downward the motion of the said final controlling element piston of said edge limitation.An aspect of said final controlling element piston is that the displacement of said final controlling element piston equals the diameter of the body in the said variable control piston.
As stated, utilize changeable controller and pass through optionally fuel feeding, said actuator apparatus can be adjusted to a plurality of positions with valve lift.Because said actuator apparatus and said changeable controller and said valve cross arm are integrated one, therefore all very simple on structure and programmed sequence of operations, and very little by the volume of hydraulically operated chamber.Various control performances are improved through the speed of response that increases system, and this is because produce the little reason of volume of the function circuit of pressure.
Method and apparatus of the present invention also has other feature and advantage; These will be able to manifest or be elaborated in accompanying drawing that is incorporated into this paper and embodiment subsequently, and said accompanying drawing and embodiment are used to explain certain principles of the present invention together.
Description of drawings
Fig. 1 is the stereogram according to exemplary lift range variable equipment of the present invention.
Fig. 2 is that it includes the changeable air valve actuator assembly of integration according to the cross-sectional view of exemplary lift range variable equipment of the present invention.
Fig. 3 is the exploded perspective view according to exemplary actuator apparatus, changeable controller and valve cross arm of the present invention.
Fig. 4 A shows the undecomposed stereogram of Fig. 3.
Fig. 4 B shows among Fig. 4 A the partial cross section view along the B-B line.
Fig. 4 C shows among Fig. 4 A the partial cross section view along the C-C line.
The cross-sectional view that Fig. 5 works under the high lift pattern for exemplary valve lift equipment according to the present invention.
Fig. 6 is according to the exemplary cross-sectional view of inside valve cross arm under the high lift pattern of the present invention.
Fig. 7 is the cross-sectional view that exemplary valve lift equipment according to the present invention is worked under low lift mode.
Fig. 8 is according to the exemplary cross-sectional view of inside valve cross arm under low lift mode of the present invention.
Fig. 9 is for showing the plotted curve according to the valve lift variation of each side of the present invention.
Should be appreciated that appended accompanying drawing might not be pro rata, it has represented the simplified painting to a certain degree of each characteristic of diagram basic principle of the present invention.Concrete DESIGNED FEATURE of the present invention disclosed herein comprises that for example concrete size, orientation, location and shape will be partly definite by specific intended use and Environmental Conditions.
In the accompanying drawings, run through whole each figure of accompanying drawing, reference character is represented of the present invention identical or be equal to part.
Embodiment
Now property is quoted each embodiment of the present invention in detail, the example is being described by diagram and following obtaining in the accompanying drawings.Although will combine exemplary embodiment to describe the present invention, should be appreciated that this description is not really wanted which exemplary embodiment the present invention is defined in.On the contrary; The present invention is intended to not only to cover said exemplary embodiment, and will cover various replacement schemes, modification, equivalent and other embodiment that can be contained within the spirit and scope of the present invention that limited appended claims.
Fig. 1-2 shows the lift range variable equipment 100 according to each embodiment of the present invention, and it includes the changeable air valve actuator assembly of integration.Fig. 3 is the exploded perspective view of actuator apparatus 350, changeable controller 400 and valve cross arm 310 according to each embodiment of the present invention.
With reference to figure 1-4; Changeable air valve actuator assembly according to the integration of each embodiment of the present invention comprises the changeable air valve final controlling element; This changeable air valve final controlling element is through Rocker arm 5 00 On/Off valve; This Rocker arm 5 00 rotates on pitman arm shaft 570 and has fuel supply line 505, optionally carries out fuel feeding in the fuel supply line 505; Such as the fastening piece of screw 520, this fastening piece passes the sidepiece of Rocker arm 5 00 and the oil 51 that discharges from fuel supply line 505 through the oil circuit 525 that is formed on wherein; Bearing 550, the lower end of its attachment screw 520; With valve cross arm 310, it is positioned at the lower end of screw 520 and has the protuberance 315 that is formed on the lower end, and valve 200 is exerted pressure.
Still with reference to figure 1-4, the changeable air valve actuator assembly of integration comprises actuator apparatus 350 and changeable controller 400.This actuator apparatus 350 is regulated valve lift in being inserted into valve cross arm 310 and when moving up and down. Valve insertion groove 380a and 380b are formed on the downside of valve cross arm 310, and valve piston 240 can be inserted in the valve cross arm 310.The motion of changeable controller 400 control final controlling element 350.
With reference to figure 2, fixed by nut 510 such as the fastening piece of screw 520.The oil of being supplied from fuel supply line 505 can be through oil circuit 525 motions that wherein form, and ball 515 approximately is positioned at the neutral position along the length of fastening piece of fastening piece 520, the oil leakage of being supplied with to prevent.
With reference to figure 2-3, actuator apparatus 350 comprises final controlling element piston 320, final controlling element spring 330 and snap ring 340.Final controlling element piston 320 is inserted into valve cross arm 310, can select and preferably insert the center of valve cross arm 310, and contacts with bearing 550.Fuel feeding road 325 forms, and makes can be discharged through the oil that is formed in the oil circuit 525 in the screw 520.The part of final controlling element piston 320 forms step, and snap ring 340 can be placed on this step.Final controlling element spring 330 is inserted in the final controlling element piston 320, and this final controlling element spring applies elastic force on final controlling element piston 320.
With reference to figure 4B and 4C, the protuberance 315 that is formed at valve cross arm 311 bottoms forbids that final controlling element spring 330 is crooked from a side to opposite side, is supporting final controlling element piston 320 simultaneously firmly.
With reference to figure 3-4, changeable controller 400 comprises variable control piston 420, variable control spring 440 and discoid pieces 460.Variable control piston 420 is inserted among patchhole 390a, 390b and the 390c of changeable controller; Patchhole 390a, 390b and the 390c of said changeable controller is formed at the bottom of valve cross arm 311, and variable control piston 420 can be through moving forward and backward the height that optionally changes final controlling element spring 320 in the lower end of valve piston 320.Discoid pieces 460 is positioned at the outermost portion of patchhole 390a, 390b and the 390c of said changeable controller, and said discoid pieces 460 is carried out such as the function that supports said variable control spring 440.The said variable control piston 420 of variable control spring 440 contacts, thus variable control piston 420 promoted forward.
With reference to figure 3-4, variable control piston 420 comprises body 422, and body 422 is carried out the function of forbidding that final controlling element piston 320 directly descends; With edge 421, edge 421 is from body 422 protrusions and play a part to prevent variable control piston 420 further forward.When fuel feeding not, the height of final controlling element piston 320 is lower, because variable control piston 420 is projected into its peak under the effect of variable control spring 440.But when fuel feeding, the length that final controlling element piston 320 reduces is elongated, and this is because variable control piston 420 moves under the effect of the hydraulic pressure that is produced by the oil of being supplied with backward.
The characteristic that in above-mentioned accompanying drawing, is shown has shown that three changeable controllers 400 are that settle equably at the center with final controlling element piston 320.But the quantity of changeable controller 400 is not limited to three, and a plurality of changeable controllers 400 can be set.The those of ordinary skill in field can be in the scope of its normal creativity be revised as the quantity of changeable controller 400 single or a plurality of under the application.
In addition; With reference to figure 6 and Fig. 8; The height D2 of final controlling element piston 320 upper and lower motions can equal the diameter D1 of body 422; They can be identical numerical value with the numerical value of lift D, and this numerical value D is restricted to the poor of between two kinds of patterns lift numerical value, and these two kinds of patterns are that (low lift mode) opened in variable control and (high lift pattern) closed in variable control.
Below will the operation according to the changeable air valve actuator assembly of the integration of each exemplary of the present invention be described with reference to accompanying drawing.
Shown in Figure 1 is the stereogram of lift range variable equipment 100.Along with the rotation of the Rocker arm 5 00 that links to each other with pitman arm shaft 570, such as the fastening piece of screw 520 be positioned at Rocker arm 5 00 terminal bearing 550 and move up and down.When bearing 550 when valve cross arm 310 is exerted pressure, 310 pairs of valves 200 of valve cross arm are exerted pressure.At first, valve cross arm 310 is exerted pressure on valve piston 240, and valve piston 240 moves up and down, and is accompanied by the elastic force that valve spring 230 are recovered on valve stem 210 and valve surface 220.This is that rotation through cam 600 realizes.Along with the rotation of cam 600, the bump of cam 600 (lobe) contact rocking arm roller 560, Rocker arm 5 60 rotates on pitman arm shaft 570.This process through utilize solenoid valve 650 optionally fuel feeding realize.
Below, will to high lift pattern and low lift mode the operating process according to one of each exemplary of the present invention be described with reference to accompanying drawing.
During the high lift pattern, fuel feeding stops.Shown in Fig. 5-6, variable control spring 440 promotes variable control piston 420 towards the bottom of valve cross arm 310, and this is because there is not fuel feeding.Because variable control piston 420 advances towards final controlling element piston 320 under the effect of the spring force of variable control spring 440, therefore when Rocker arm 5 00 rotated on pitman arm shaft 570, final controlling element piston 320 can not further descend because of variable control piston 420.The decline of valve lift that therefore, reaches and fastening piece 520 and bearing 550 as many.Like this, just realized the high lift pattern.
On the other hand, under low lift mode, supply with oil 51 through solenoid valve 650.Shown in Fig. 7-8, oil 51 passes fuel supply line 550 and oil circuit 525, passes the fuel feeding road 325 that is formed in the final controlling element piston 320 then.At this moment, elastic force and through the hydraulic pressure of the supply with oil 51 backward motion of variable control piston 420 through recovering variable control spring 440.Therefore, along with the rotation of Rocker arm 5 00, final controlling element piston 320 descend with the diameter D1 of the body 422 of variable control piston as many, but on valve 200, do not exert pressure.In other words, realized decalage motion (lost motion).As a result, final controlling element piston 320 has reduced length D2 as shown in Figure 8, has shortened the displacement during the high lift pattern.The displacement of final controlling element piston 320 equals the diameter D1 of the body 422 in the variable control piston 420.Therefore, D1 and D2 equal the poor of valve lift D, and be as shown in Figure 9.
As stated, through optionally changing the fuel feeding of valve lift, valve lift can change between a plurality of positions.Actuator apparatus 350 is integrated one with changeable controller 400 and valve cross arm 310.Like this, the structure and the programmed sequence of operations of this equipment are simplified, and the volume of functional arrangement that can produce pressure is less than the volume of traditional lift range variable.And the speed of response of system is improved.
For ease of in appended claims, making an explanation and accurately limit, term " on " or the position that is used for the characteristic that reference drawing shows such as D score, " preceding " or " back ", " interior " or " outward " these characteristics of exemplary are described.
The front is for diagram and purpose of description to the description of concrete exemplary of the present invention.These descriptions are not to be to accomplish limit, neither the present invention be limited to the precise forms that is disclosed, and obviously, under the enlightenment of above-mentioned teaching, can make many modifications and variation.Selecting the exemplary embodiment line description of going forward side by side is in order to explain certain principles of the present invention and practical application thereof; Thereby make those of ordinary skill in the art can realize and utilize each exemplary embodiment of the present invention, with and various replacement scheme and modification.Protection scope of the present invention is confirmed by appended claims and equivalents thereof.
Claims (9)
1. the changeable air valve actuator assembly of an integration comprises:
Rocking arm, this rocking arm rotates on pitman arm shaft, and comprises being formed at and wherein be used for the optionally fuel supply line of fuel feeding;
Fastening piece, this fastening piece passes the sidepiece of rocking arm, and comprises that the oil circuit that is formed at wherein is in order to the oil of discharging from said fuel supply line supply;
Valve cross arm, this valve cross arm is positioned at the lower end of said fastening piece, and exerts pressure to valve;
Actuator apparatus; This actuator apparatus comprises final controlling element piston and final controlling element spring; This final controlling element piston is inserted in the said valve cross arm and is formed with the fuel feeding road; This fuel feeding road is used to discharge the oil that passes oil circuit, and this final controlling element spring is inserted in the said final controlling element piston and to the final controlling element piston and applies elastic force; And
Changeable controller, this changeable controller is positioned at the lower end of said final controlling element piston, and can under the effect of the pressure of the oil of being supplied with through the fuel feeding road, move, thereby changes the final controlling element position of piston.
2. the changeable air valve actuator assembly of integration according to claim 1, wherein there is snap ring the location on the excircle of said final controlling element piston.
3. the changeable air valve actuator assembly of integration according to claim 1, wherein in the bottom of said valve cross arm, said valve cross arm is formed with protuberance, and is crooked and support said final controlling element piston between the side to prevent said final controlling element spring.
4. the changeable air valve actuator assembly of integration according to claim 1, wherein said changeable controller comprises:
Variable control piston, this variable control piston is inserted into inserting in the hole of said changeable controller, and the patchhole of this changeable controller is formed at the bottom of said valve cross arm and contacts the lower end of said final controlling element piston;
Variable control spring, this variable control spring contact said variable control piston and on said variable control piston, apply elastic force; And
Discoid pieces, this discoid pieces support said variable control spring.
5. the changeable air valve actuator assembly of integration according to claim 4 wherein is provided with a plurality of said changeable controllers.
6. the changeable air valve actuator assembly of integration according to claim 4; Wherein said variable control piston comprises body and edge; Said body stops making progress of said final controlling element piston or moves downward the motion of the said final controlling element piston of said edge limitation.
7. the changeable air valve actuator assembly of integration according to claim 1, wherein said final controlling element piston can be located in various modes.
8. the changeable air valve actuator assembly of integration according to claim 7, wherein said final controlling element piston can be located in low lift mode or high lift pattern.
9. the changeable air valve actuator assembly of integration according to claim 7, the displacement of wherein said final controlling element piston equals the diameter of the body in the said variable control piston.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0119803 | 2010-11-29 | ||
| KR1020100119803A KR101171912B1 (en) | 2010-11-29 | 2010-11-29 | Variable valve actuator integrated with valve bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102477878A true CN102477878A (en) | 2012-05-30 |
| CN102477878B CN102477878B (en) | 2016-04-20 |
Family
ID=46049891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110189064.7A Expired - Fee Related CN102477878B (en) | 2010-11-29 | 2011-07-01 | The changeable air valve actuator assembly of one is integrated with valve cross arm |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20120132162A1 (en) |
| KR (1) | KR101171912B1 (en) |
| CN (1) | CN102477878B (en) |
| DE (1) | DE102011052246B4 (en) |
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| CN103089365A (en) * | 2013-02-28 | 2013-05-08 | 长城汽车股份有限公司 | Actuating mechanism of variable valve stroke drive device for engine |
| CN103277209A (en) * | 2013-06-08 | 2013-09-04 | 清华大学 | Crossed-airway cylinder cover assembly structure of single cylinder engine |
| CN107035450A (en) * | 2015-10-16 | 2017-08-11 | 现代自动车株式会社 | Changeable air valve opens duration/variable valve lift system and engine |
| WO2020000640A1 (en) * | 2018-06-28 | 2020-01-02 | 潍柴动力股份有限公司 | Intake valve device capable of implementing two-stage switching of gas distribution phase and diesel engine |
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| GB2478285A (en) * | 2010-03-01 | 2011-09-07 | Mechadyne Plc | Valve mechanism for an internal combustion engine |
| KR101338462B1 (en) | 2012-10-16 | 2013-12-10 | 현대자동차주식회사 | Variable valve lift device |
| KR101382327B1 (en) * | 2012-10-17 | 2014-04-08 | 현대자동차 주식회사 | Variable valve lift device |
| KR101416407B1 (en) | 2012-12-17 | 2014-07-08 | 기아자동차 주식회사 | Variable valve lift device |
| KR101448779B1 (en) * | 2013-04-03 | 2014-10-08 | 현대자동차 주식회사 | Variable valve lift device |
| US9309788B2 (en) | 2013-07-19 | 2016-04-12 | Electro-Motive Diesel, Inc. | Valve bridge assembly having replaceable sleeve inserts |
| KR101449335B1 (en) * | 2013-10-11 | 2014-10-13 | 현대자동차주식회사 | Engine Unity type Engine Break |
| CN105917493B (en) * | 2014-12-25 | 2017-12-15 | 住友化学株式会社 | The manufacture device of separator coiling body and the manufacture method of separator coiling body |
| US9631522B2 (en) | 2015-01-13 | 2017-04-25 | Caterpillar Inc. | Compact valve bridge assembly having cartridge insert |
| US9714587B2 (en) | 2015-01-13 | 2017-07-25 | Caterpillar Inc. | Bridge assembly having motion-limited valve |
| US9879575B2 (en) * | 2016-06-08 | 2018-01-30 | Caterpillar Inc. | System for lubricating valve assembly of engine |
| US20180094553A1 (en) * | 2016-10-04 | 2018-04-05 | Electro-Motive Diesel, Inc. | Valve bridge for valve systems |
| DE102017113783A1 (en) | 2017-06-21 | 2018-12-27 | Man Truck & Bus Ag | Power transmission device |
| DE102017118852A1 (en) * | 2017-08-18 | 2019-02-21 | Man Truck & Bus Ag | Power transmission device for variable valve train |
| CN107842408B (en) * | 2017-11-16 | 2020-06-02 | 潍柴动力股份有限公司 | Variable valve lift mechanism, method for controlling valve lift and engine |
| CN112292514B (en) | 2018-06-29 | 2022-07-15 | 雅各布斯车辆系统公司 | Engine valve actuation system with lost motion valvetrain components including a collapsed valve bridge with a locking pin |
| EP4146918A1 (en) * | 2020-05-04 | 2023-03-15 | Jacobs Vehicle Systems, Inc. | Valve actuation system comprising lost motion and high lift transfer components in a main motion load path |
| DE102022200995A1 (en) | 2022-01-31 | 2023-08-03 | Mahle International Gmbh | Switching bridge for a valve drive of an internal combustion engine |
| DE102022200993A1 (en) | 2022-01-31 | 2023-08-03 | Mahle International Gmbh | Switching bridge for a valve drive of an internal combustion engine |
| KR20240042938A (en) * | 2022-09-26 | 2024-04-02 | 현대자동차주식회사 | Piston Pop Up type Variable Valve Device and Variable Valve System thereof |
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-
2010
- 2010-11-29 KR KR1020100119803A patent/KR101171912B1/en active IP Right Grant
-
2011
- 2011-06-30 US US13/174,232 patent/US20120132162A1/en not_active Abandoned
- 2011-07-01 CN CN201110189064.7A patent/CN102477878B/en not_active Expired - Fee Related
- 2011-07-28 DE DE102011052246.8A patent/DE102011052246B4/en not_active Expired - Fee Related
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089365A (en) * | 2013-02-28 | 2013-05-08 | 长城汽车股份有限公司 | Actuating mechanism of variable valve stroke drive device for engine |
| CN103089365B (en) * | 2013-02-28 | 2015-05-06 | 长城汽车股份有限公司 | Actuating mechanism of variable valve stroke drive device for engine |
| CN103277209A (en) * | 2013-06-08 | 2013-09-04 | 清华大学 | Crossed-airway cylinder cover assembly structure of single cylinder engine |
| CN103277209B (en) * | 2013-06-08 | 2015-08-19 | 清华大学 | Single cylinder engine air crossing cylinder cap assembly structure |
| CN107035450A (en) * | 2015-10-16 | 2017-08-11 | 现代自动车株式会社 | Changeable air valve opens duration/variable valve lift system and engine |
| CN107035450B (en) * | 2015-10-16 | 2020-12-11 | 现代自动车株式会社 | Variable valve opening duration and variable valve lift system and engine |
| WO2020000640A1 (en) * | 2018-06-28 | 2020-01-02 | 潍柴动力股份有限公司 | Intake valve device capable of implementing two-stage switching of gas distribution phase and diesel engine |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102011052246B4 (en) | 2016-12-15 |
| KR20120058145A (en) | 2012-06-07 |
| CN102477878B (en) | 2016-04-20 |
| US20120132162A1 (en) | 2012-05-31 |
| KR101171912B1 (en) | 2012-08-07 |
| DE102011052246A1 (en) | 2012-05-31 |
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