CN106030141A - Fully integrated hydraulic clutch - Google Patents
Fully integrated hydraulic clutch Download PDFInfo
- Publication number
- CN106030141A CN106030141A CN201580008553.4A CN201580008553A CN106030141A CN 106030141 A CN106030141 A CN 106030141A CN 201580008553 A CN201580008553 A CN 201580008553A CN 106030141 A CN106030141 A CN 106030141A
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- CN
- China
- Prior art keywords
- pump
- clutch
- clutch apparatus
- brake
- pressure
- 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
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
- F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
- F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
- F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/12—Details not specific to one of the before-mentioned types
- F16D25/14—Fluid pressure control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0227—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices
- F16D2048/0233—Source of pressure producing the clutch engagement or disengagement action within a circuit; Means for initiating command action in power assisted devices by rotary pump actuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0257—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof
- F16D2048/026—The controlling actuation is directly performed by the pressure source, i.e. there is no intermediate valve for controlling flow or pressure
Abstract
The invention relates to a clutch device (1) for the drive train (2) of a motor vehicle, having at least one pressure plate (7) that preferably is movable in an axial direction of the clutch device, wherein the pressure plate interacts with an actuating piston (8) of an actuating device (9) and can be moved back and forth between a coupled position and an uncoupled position, and wherein the actuating device has a pump (12). Said pump has a pump drive shaft (13) and controls a pressure level influencing the position of the actuating piston for adjusting the pressure plate. The pump drive shaft interacts with a braking system (14) in at least one activated state of the braking system such that for pressurizing the actuating piston with a first pressure level, the pump is driven by the pump drive shaft.
Description
Technical field
The present invention relates to a kind of for such as car, motorcycle, truck, bus or agriculture
The clutch apparatus of the drivetrain of the motor vehicles such as industry load-carrying vehicle (is embodied as single clutch module or double
Clutch module), this clutch apparatus has at least one preferably on the axial direction of clutch apparatus
(wherein, described pressing plate is driven by clutch in the bonding station of clutch apparatus for movable pressing plate
Dish is pressed against the counter can being connected with the bent axle of internal combustion engine), wherein, described pressing plate and manipulation device
Application piston jointly acts on and can move back and forth between bonding station and separation point position, and,
Manipulation device has pump, and this pump has pump drive shaft and controls to affect application piston for regulation pressing plate
The stress level of position.
Background technology
From similar clutch apparatus/clutch system known in the art.Such as DE 10 2,005 014
633A1 discloses a kind of clutch and a kind of clutch actuator and a kind of for handling driving of vehicle
The method of at least one clutch in dynamic system.Clutch actuator includes electronic servo drive
And separation assembly, by described separation assembly, the rotary motion of servo drive is converted to separator
Translation isolated movement so that clutch motion, wherein, separator (separation assembly) is by belt
Variator forms, and described belt-type transmission has external part and inner part and the servo for separator
Driving means is made up of motor, and wherein, the external part of belt-type transmission couples with the bent axle of internal combustion engine,
And the inner part of belt-type transmission couples with the rotor of motor.
Additionally, disclose a kind of clutch system in EP 1 236 918B1, this clutch system has
Having clutch apparatus, this clutch apparatus is particularly useful in drivetrain between gear unit and variator
Layout.Clutch system also includes actuating device for actuating clutch devices, and this manipulation is passed through
The mode of hydraulic pressure realizes by means of at least one hydraulic slave cylinder of clutch apparatus, wherein, handles dress
Putting and have hydraulic medium offer device, this device is in adjustable, true by slave cylinder for offer
Determine the hydraulic medium of the stress level of clutch apparatus operation state.Additionally, described hydraulic medium provides
Device has at output pressure or/and conveying capacity is or/and the hydraulic medium pump that can affect in terms of conveying direction
Assembly, wherein, the layout of hydraulic medium pump assembly and being provided for, can be by affecting hydraulic medium pump
Assembly regulates stress level and thus regulates operation state.
Therefore, in principle it is known that the energy being used for controlled clutch takes from drivetrain self.So
And known clutch system mainly uses electronic manipulation device at this, wherein, in order to make manipulation live
Manipulation energy required for plug motion/regulation produces electrically.But it is the most public for such electric clutch
Know, can be by the relatively high motor of cost and its control electronics for motoroperated manipulation
Device produces and transmission.Additionally, the energy for these motor first passes through electromotor from drivetrain
Take out, store in the battery, the most out used.Therefore, required being used for is handled
The energy of clutch is converted to electric energy by the external pump in electromotor or drivetrain the most bothersomely.?
This produce big loss and all components in this chain must be the biggest design.
Further it is possible that the motor of manipulation device is implemented owing to installing space limits the most weakly.
Although motor joins to enter in clutch, but the most weak for handling the described motor of this size.Cause
This, in this regard, also generally use the assistance function by means of slope, to produce steering force.
But this may cause the problem of drawing (Rupfen), and there is a risk that: in friction system
In the case of number is too big, clutch blocks.Additionally, obtain this so-called booster of energy from drivetrain
Clutch also has the problem rotating inhomogeneities.This may cause the unstability of clutch torque.
Furthermore it is known that the clutch system including actuator be made up of multiple single parts, the plurality of
Single part is the completeest at original equipment manufacturer (OEM/Original Equipment Manufacturer) place
Full combination.Where there is a part for envelop of function of such probability: OEM by other manufacturers
Buy.Clutch system known to these also has the disadvantage that when assembling mostly, because institute
Stating clutch system the most only in the assembling of client (OEM) there, error probability is relatively high.I.e.
Making to have checked all of assembly in advance, but there will still likely be problem, this problem is only other OEM
It is only possible to appearance during parts assembling.
Additionally, generally use pump in hydraulically producing the clutch handling energy.But in known system
Relatively large wasted power is generally produced, because pump is the most always in drivetrain when system uses pump.
Throttled by air-breathing or bypass and can partly reduce this loss.System known to these is generally also
Implement considerably complicatedly.
Summary of the invention
The task of the present invention is, eliminates by shortcoming known in the art and provides one to be available for making
Clutch apparatus, on the one hand reduced the danger of assembly defect and another by described clutch apparatus
On the one hand the quantity of the parts used is reduced.
According to the present invention, this thus solves: pump drive shaft is at least one shape activated of brake unit
So jointly act on brake unit under state so that for loading application piston with the first stress level
Pump is driven by pump drive shaft.
Thus greatly improve the efficiency of the manipulation device making application piston move and to include pump.For
The manipulation of clutch control directly and can be converted to other energy shapes not having centre to connect
Formula, such as electric energy conversion equipment in the case of obtained by drivetrain/internal combustion engine.Activate in brake unit
State under, controller start brake force simply, this brake force then make pump drive shaft relative to
Remaining ingredient (pump case etc.) of pump is slowed down.Therefore, by when clutch apparatus runs
The pump together rotated produces the relative motion between pump case and pump drive shaft, and the most directly drives
Pump.In power driven system, necessary energy conversion and conversion loss associated therewith are avoided by.By
This significantly improves the efficiency of clutch control.Energy for clutch control passes through pump directly from driving
The dynamic application piston being self to obtain and flow to clutch.Additionally, because pump is included in manipulation and sets
In Bei, can be with a pre-assembled particularly compact and complete clutch apparatus including commanding apparatus.By
This greatly simplify after assembling.
Other advantageous embodiments require in the dependent claims and are next elaborating.
According to another kind of advantageous embodiment, meaningfully, pump is the most integrated, to such an extent as to by
The fluid pressure that it causes when brake unit activates by means of application piston with at application piston
With layout, such as disk spring type or pressure pot type mechanical connecting element will pressure between pressing plate
Plate squeeze/presses/stretches tight/it is forced in the position (preferred position of engagement) being manipulated by.The thus tune of application piston
Joint motion/regulation power can particularly simple be delivered on pressing plate.
In addition, it is also advantageous that, pump is so arranged, to such an extent as to it is when brake unit activates
Being in resting position, in this resting position, pump applies the second stress level, institute on application piston
State the second stress level less than the first stress level.Second stress level can the most so select herein:
Pressing plate is made to be arranged in, under the nonactivated state of brake unit, the position not being manipulated by/not being manipulated by (excellent
Select separation point position) in.Second stress level so less than/less than the first press water level land configuration: make
Application piston is so conditioned in nonactivated state, i.e. between mechanical connecting element and pressing plate separate
Away from and/or no pressure abut on pressing plate, in order to pressing plate is maintained at the position not being manipulated by (excellent
Select separation point position) in.Thus can particularly simple realize the position not being manipulated by.
In this regard, it is also advantageous that, brake unit has relative to housing regularly, such as
The most attachable relative to variator and/or internal combustion engine housing (and in the operation of clutch apparatus
Under state connect) brake force transmitter and can with pump drive shaft anti-torsion be connected (and
Connect under the running status of clutch apparatus) brake force receptor, thus the manipulation of brake unit is straight
Connect and be delivered in pump drive shaft, to such an extent as to transmission loss can be reduced further and improve effect further
Rate.
If brake unit has disk brake, eddy current type brake or electromotor, then brake dress
Put and can construct and the configuration of resistance to land used particularly compactly.Additionally, connect as generator operation/and electromotor
Connect and have an advantage in that, in the case of internal combustion engine is static, electromotor can be switched to generator operation,
Therefore, although internal combustion engine is motionless, can realize the opening and closing of clutch.This is especially at hybrid power
Vehicle/hybrid drive is favourable, wherein, can controlled clutch when the pure electric operation of vehicle.
Also complying with purpose, pump is received in pump and receives in housing, wherein, pump receive housing from
Under the running status of clutch equipment with the clutch housing anti-torsion of clutch apparatus be connected, this clutch
Device housing is connected with the bent axle of internal combustion engine.Described pump can be such as eccentric relative to clutch pivot center
Ground is arranged, and when internal combustion engine operation so around clutch rotation axis common rotation, i.e. pump connects
Receive housing to move relative to brake force transmitter.Thus simplify the clutch apparatus including pump further
Structure.
In this regard, it is also advantageous that, brake unit is the most integrated, i.e. this brake unit
At least under its state of activation, pump drive shaft is produced braking action, to such an extent as to for driving the pump of pump
Drive shaft can be reversed relative to the pump matrix constructing in receiving housing at pump/receiving.Thus the driving of pump is also
Can more effectively configuration.
The most advantageously, pump has fluid issuing, described fluid issuing by with receive behaviour movably
Pressure chamber water conservancy diversion ground (hydraulic pressure) of vertical piston connects, wherein, in order to make pressure fluid return from pressure chamber
Returning, pressure pipeline is preferably connected with reflux line by choke block.Additionally, especially at clutch apparatus
When being embodied as the friction clutch of dry type, reflux line is preferably further connected with hold-up vessel, or
When especially clutch apparatus is embodied as the friction clutch that wet type is run, further preferably it is passed directly into
In fluid locker room set in clutch.Herein choke block can be configured as single component or
Such as it is integrated in pump matrix as leakage-gap or hole.Pump is preferably implemented as dosing pump, i.e. real
Execute the pump for being in operation with constant conveying stroke.Simplify pump structure the most further and enter one
Step improves efficiency.
If arranging by controlling device, this control device in order to carry out desired clutch control and with will
The mode that brake unit activates is integrated and configuration, then the activation of brake unit and nonactivated state it
Between the control device that carries out changing can be the most integrated.The most preferably realize controlling by controller,
Wherein, further preferred brake unit can be changed without polar region between the first state and a second state back and forth,
Wherein, the first state is (inactive) that relative motion does not occur between pump drive shaft and pump matrix
State, the second state is relatively to transport with the relative rotation speed determined between pump drive shaft and pump matrix
(activation) state moved.The weight of clutch can be reduced further by this configuration.For control
Device processed and the attached current supply line for electric current and control device only use light electric lead.
In addition, it is also advantageous that, it is provided for determining clutch state and pump pressure loop state extremely
Few sensor/multiple sensors.Such as can arrange displacement transducer, institute's displacement sensors is surveyed
The joint displacement of amount clutch.The target (element that can sense) being displaced by sensor detection can be located at machine
In tool connecting element or be positioned on application piston.It is alternative in this place or additionally, it is possible to there is pressure
Force transducer, this pressure transducer measure in mating system/pressure chamber of application piston in pressure.
Being alternative in this place or additionally, it is also possible to there is temperature sensor, this temperature sensor measurement engages
In system/pressure chamber of application piston in temperature.The data detected by sensor are delivered to control
Device processed and calculating there.Optimize the control and the most efficiently of clutch the most further
The manipulation of configuration pump.
In other words, the present invention relates to a kind of equipment for clutch control, described equipment relates to one
But be integrated in clutch at least with its co-rotational pump.This pump works also as active cylinder
And in pressure piping, set up pressure, described pressure enough such as carrys out controlled clutch by annular piston.
According to the present invention, pump is activated by the brake between clutch and case of transmission herein.?
Drivetrain rotate and brake activation in the case of, torque is introduced in pump, this torque be carried out with
Set up pressure.Brake is fixing relative to variator and therefore fixes by relative to variator
Control device driven according to desired clutch control.Hydraulic circuit is controlled by choke block.
Described device can also run with hybrid mode.Then can be driven as electromotor for this brake
Dynamic.Additionally, in the case of internal combustion engine inactive (burner is inactive), electromotor is the most directly made
For working for the driving means of brake/brake force receptor and therefore can be with controlled clutch.
In this external expansion scheme, also set up different sensors to determine clutch state and pressure circuit shape
State.Do not include the advantage of the structure of sensor in particular, in that, at co-rotational actuator or pump and outer
Need not interact between the component in portion.Only fixing relative to housing brake must be grasped
Vertical.
A kind of fully-integrated module, this mould can be implemented from there through the solution according to the present invention
Block is made up of clutch, actuator and chiller if desired.One or two is integrated in clutch
Individual pump (depending on single clutch or double clutch).This is in clutch the pump integrated as active cylinder
Using, annular piston (application piston) or multiple single-piece piston are as (every sub-clutch)
Slave cylinder uses, and, controlled brake (brake unit) is used for controlling pump.Described pump is not
Driven continuously, but driven according to demand.Gear ratio (pump stroke) is fixing herein,
That is, volume flow can not be made to commutate by pump.The feed flow of the pressure fluid carried by pump depends on
In (internal combustion engine) driving rotating speed with between driving rotating speed and revolution speed (rotating speed of pump drive shaft)
Adjustable slippage.Thus the energy being used for controlled clutch equipment is introduced directly into pump drive
In.
Accompanying drawing explanation
Elaborate the present invention referring now to accompanying drawing, different embodiments is shown in this regard.Attached
Illustrate:
Fig. 1: include the motor vehicles drivetrain of the clutch apparatus of the present invention according to the first embodiment
Schematic diagram, wherein, is especially shown in manipulation device the connection of pump and the application piston used, and
Fig. 2: there is the schematic diagram of the drivetrain of clutch apparatus according to the second other embodiment,
Wherein, this diagram of selection is similar to Fig. 4, and clutch apparatus additionally has different sensors,
Described sensor connects on the controller;
Accompanying drawing the most schematically, and is only used for the understanding of the present invention.Identical element is provided with identical
Reference marker.
Detailed description of the invention
Two kinds of embodiments of clutch apparatus 1 according to the present invention are shown in fig 1 and 2.Each
Clutch apparatus 1 is respectively provided with for loading such as car, load-carrying vehicle, bus or agricultural load-carrying vehicle
Deng in the drivetrain 2 of motor vehicles.Clutch apparatus 1 is used for torque as separable connecting element
Variator optionally it is delivered to from the bent axle 3 of internal combustion engine 4 (Diesel engine or petrol engine)
On 5, this variator 5 and motor vehicles wheel 6 or multiple take turns 6 motions and couple.
Clutch apparatus 1 has on the axial direction of clutch apparatus 1 that (axial direction is equivalent to edge
The direction of the rotation axis of clutch rotation axis/clutch) moveable pressing plate 7.Pressing plate herein
7 jointly act on the application piston 8 of manipulation device 9/move in due form and couple.Pressing plate 7 can be
Come between the position (being herein bonding station) and the position (i.e. separation point position) of non-manipulation that are manipulated by
Backhaul dynamic, in described bonding station, the clutch driven plate 10 of pressing plate 7 and clutch apparatus 1 with
And counter 11 anti-torsion ground connects, in described separation point position, pressing plate 7 and clutch driven plate 10
With counter 11 be not anti-torsion connect, but arrange with separating spacing, and driven at clutch
Torque is not transmitted between dish 10 and counter 11/ pressing plate 7.
Additionally, manipulation device 9 has (at least one) pump 12, this pump 12 controls impact and handles alive
The stress level of plug position is so that positioning pressuring plate 7.It is advantageous here that pump 12 has pump drive shaft
13, this pump drive shaft 13 so acts on jointly with brake unit 14, i.e. pump 12 is at least at braking dress
Driven by pump drive shaft 13 under the state putting 4 activation, in order to load to handle with the first stress level and live
Plug 8.
Elaborate the clutch apparatus 1 according to the first embodiment first below, such as institute in FIG
Show, the second embodiment that the theory structure of this clutch apparatus is also applied in Fig. 2.The clutch of Fig. 1
Device equipment 1 is configured as single clutch, wherein, this clutch apparatus only have one be configured as rub from
The clutch part 33 of clutch.According to another embodiment, a kind of favourable application is to separate clutch
Device, described separation clutch needs only to the short manipulation time.Clutch part 33 comprise pressing plate 7,
Clutch driven plate 10 and counter 11, described clutch driven plate is at the operation shape of clutch apparatus
Under state with transmission input shaft 15 anti-torsion of variator 5 be connected.Counter 11 and pressing plate 7
With clutch housing 16 anti-torsion be connected, described clutch housing 16 is the most antitorque
It is fixed on bent axle 3 with turning.When internal combustion engine 4 runs, clutch housing 16 and pressing plate 7 are with anti-
Pressing plate 11 common rotation all the time the most in the engaged condition but also under released state.Mechanical connecting element
17 abut on the side deviating from clutch driven plate 10 of pressing plate 7, and described connecting element is configured as pressure
Power tank.But alternate configuration is pressurized tank, connecting element 17 can also be configured as disk spring.Connect
Element 17 extends internally along radial direction from the contact surface with pressing plate 7, there pressing plate 7 and manipulation
Piston 8 reclines and couples with the motion of this application piston, i.e. axially displaceably connect.
Application piston 8 is configured as annular piston herein, and this annular piston revolves annularly around clutch
(clutch rotation axis is in fig 1 and 2 along the transmission input shaft 15 that illustrates of wire type ground for shaft axis
Extend) extend.Alternate configuration is annular piston, and application piston 8 can also be configured as relative to clutch
The single-piece piston that device rotation axis off-center is arranged.Can also be that multiple single-piece piston is along clutch apparatus 1
Circumference and abut in connecting element 17.
Application piston 8 is the part of slave cylinder and is therefore movably supported on and is in reverse to application piston
In the pressure chamber 18 of 8 configurations.And at least one pump 12 and pressure chamber 18 water conservancy diversion ground, the most hydraulically connect
Connect.Be provided with pressure pipeline 19 for this, this pressure pipeline is connected on the fluid issuing of pump 12 and leads to
To pressure chamber 18.Pump 12 is configured as dosing pump herein, i.e. be configured as having identical conveying stroke all the time
And the pump 12 of the delivered volume of delivered constant in the case of rotating speed is constant.And low pressure pipeline 20 connects
On the fluid inlet end of pump 12, described low pressure pipeline 20 is with hold-up vessel/fluid storage 21 even
Connect.When brake unit 14 activates (this state is corresponding to the joint/actuated position of pressing plate 7)
And in the case of pump 12 is powered, pump 12 by pressure fluid/hydraulic medium from hold-up vessel 21
It is transported in pressure chamber 18.Thus, application piston 8 is loaded with pressure and by connecting element 17
It is pressed against on pressing plate 7.Reflux line 22 is also connected with pressure pipeline 19, activates in brake unit 14
State under and in the case of pump 12 is powered, the backflow of pressure fluid is always by described backflow
Pipeline 22 is toward being back in hold-up vessel 21.And reflux line 22 is connected also with hold-up vessel 21
And pressure current is delivered back into hold-up vessel 21 from pressure pipeline 19/ pressure chamber 18.
A kind of choke block 23 it is disposed with in reflux line 22.Reflux line 22 is at choke block 23
Constriction in region.Choke block 23 such as forms a gap, and a certain amount of pressure fluid is (in brake unit
Under 14 states activated) it is flow back in hold-up vessel 21 by this gap.Pump 21 is arranged and is received
Pump receives in housing, and the housing of this pump reception herein is not further indicated due to summary, and described pump connects
Receive housing and clutch housing 16 (i.e. clutch rotation axis) anti-torsion and be coaxially connected, and
And the most also around clutch rotation axis common rotation.In order to receive housing with pump
Connecting, pump 12 has a pump matrix not shown further due to summary herein, described pump matrix with
Pump receives housing and is permanently connected.
Additionally, drive pump 12 pump drive shaft 13 stretch out from pump matrix, and described pump drive shaft with
Brake unit 14 acts on jointly.Brake unit 14 1 aspect has relative to housing regularly, i.e. phase
The brake force transmitter 25 that case of transmission and/or internal combustion engine housing are permanently connected/arrange, separately
On the one hand have and the brake force receptor 26 that is connected of pump drive shaft 13 anti-torsion ground.Brake unit herein
14 are embodied as eddy-current brake, and wherein, brake force transmitter 25 produces vortex field, to such an extent as to thus will
The brake force receptor 26 of plate-like is braked.
Additionally, for switching brake device 14, controller 27 is at least connected with brake force transmitter,
Controlled the position of brake unit 14 by this controller 27, and the position of this brake unit is being activated
And change between nonactivated state.
When brake unit 14 activates and internal combustion engine 4 connect in the case of, situation is this
Sample: brake force transmitter 25 does so for brake force receptor 26, i.e. pump drive shaft 13
It is braked relative to pump matrix and the driving of therefore generating pump 12.The substantially brake force of disc type structure
Receptor 26 is braked by brake force transmitter 25, and thus pressure fluid passes through pump 12 to pressure chamber 18
Direction carried.This state of activation of brake unit 14 is present in connecing of clutch apparatus 1 herein
Under conjunction state, thus it herein is related to normally opened clutch.Alternatively, however can also, brake unit 14
Being active when clutch apparatus 1 separates, wherein, pressing plate 7 then can be by handling
Piston 8 is pressed against as in the actuated position of separation point position.Therefore, clutch apparatus 1 can also structure
Type is normally closed clutch.
In order to open clutch apparatus 1, brake unit 14 is adjusted under nonactivated state, so that
No longer braked by brake force transmitter 25 and the most no longer relative to pump base in brake force receptor 26
Body is braked.Therefore, under the unactivated state of brake unit 14, pump drive shaft 13 is not driven
And no longer discharge pressure fluid under this (inactive) state.Thus pump 12 is in resting position
In, in described resting position, pressure chamber 18 no pressure.Additionally, application piston 8 is this non-sharp
It is not manipulated such that pressing plate 7 and connecting element 17 are under stress-free state under the state of living, and
And pressing plate 7 in separation point position away from clutch driven plate 10.Pressing plate 7 is by means of spring 34 herein
Keep separating spacing relative to clutch driven plate 10 with relative to counter 11.The most also
It is possible that make the unactivated state bonding station corresponding to pressing plate 7 of brake unit 14, to such an extent as to
Under this unactivated state, pressing plate 7 is expressed to the joint as non-actuated position by application piston 8
In position.
Preferably, the brake unit 14 being configured as eddy-current brake is likely to alternatively be configured as disc type
Brake, wherein, brake force transmitter 25 is then configured as one or more brake-shoe and brake force connects
Receive device 26 and be configured as brake disc.It is furthermore preferred that brake unit 14 is configured as electromotor.This tool
There is advantage: even if clutch apparatus 1/ pressing plate 7 also is able to engaging in the case of internal combustion engine 4 turns off
And move back and forth between separation point position.
Figure 2 illustrates the second embodiment of clutch apparatus 1 according to the present invention, as it has been described above,
This second embodiment major part is corresponding to the first embodiment.For the sake of brief, implement about second
Mode only illustrates the difference relative to the first embodiment.In this second embodiment, controller 27 is attached
Add by electricity data wire 28 be connected with displacement transducer 29, thus to controller 27 transmit about
The current data engaging displacement of clutch.The most directly measure displacement transducer 29 structure engaging displacement
Type is range sensor, and wherein, target to be sensed is positioned in connecting element 17 or is located immediately at manipulation
On piston 8.Additionally, there is also pressure transducer 30/ pressure measurement sensor, described pressure transducer
Measure the pressure in mating system.Pressure transducer 30 preferably measures the stream in pressure pipeline 19 herein
Body pressure.Additionally, in addition to displacement transducer 29 and pressure transducer 30, temperature survey senses
Device can also be connected on data wire 28, and described temperature sensor is such as measured in pressure pipeline 19
Temperature.
Existing sensor (displacement transducer, pressure transducer, sensor for measuring temperature) all with
Electronic module 31 electrically connects, and described electronic module 31 is required for sensor 29, the operation of 30
And such as by by the data intermediate treatment measured by sensor, intermediate storage and/or to controller 27
Transmission.Then, sensor 29, the information of 30 (is configured as by data wire 28 and transfer device 32
Data and energy transfer unit) transmit to controller 27.Herein it is desirable that transfer device 32 nothing
Line ground configuration and also will be used for sensor (displacement transducer 29, pressure transducer 30, temperature survey
Sensor) the energy of operation wirelessly to introduce clutch apparatus 1 internal.
But alternate configuration is single clutch/single clutch, according to the clutch apparatus 1 of the present invention also
Double clutch (being such as configured as dual separation clutch) can be configured as, wherein, such as first clutch
Part 33 constructs the second clutch part with configuration relative to clutch rotation axis the most like that
And arrange laterally in first clutch part.Second clutch part is just with the second other pump 12 altogether
Same-action, and described second pump 12 is received in the pump identical with other (first) pump 12 and connects
Receive in housing.
Therefore, in other words, clutch apparatus 1/ clutch module be embodied as having integrated pump 12, from
Dynamic cylinder and optional hold-up vessel 21 (hold-up vessel 21 can be cancelled in wet clutch) isolated
Clutch.Drivetrain 2 is by electromotor/internal combustion engine 4, clutch/clutch apparatus 1, variator 5 and wheel
6 compositions.Energy is delivered to clutch by bent axle 3 from electromotor 4.Can connect there dish/
Connection between clutch driven plate 10 and pressing plate 7 and central plate/counter 11, so that electromotor
4 are connected with variator 5.Pressing plate 7 (is connected unit by annular piston (application piston 8) by pressurized tank
Part 17) handle.Pressure on piston/application piston 8 is provided by pump 12.At pressure piping/pressure
Pipeline 19 is provided with choke block 23, flow back into hold-up vessel with being throttled by this choke block fluid
21.Choke block 23 is used for regulating and open clutch 1.Substituting additional member, leakage choke block also may be used
With in pump 12 install/integrated.This can realize the use of particularly advantageous pump 12.
Fluid is transported to pressure piping 19 by low pressure pipeline 20 from hold-up vessel 21 by pump 12.Pump
Driving wheel/brake force the receptor 26 that is driven through of 12 is carried out, and described driving wheel/brake force receptor leads to
Cross the brake on static housing/brake force transmitter 25 to drive.Brake force receptor 25 can
Mechanically or electromagnetically to implement.The advantage of contactless brake is that more preferable tolerance is mended
Repay.Brake can also be embodied as electromotor.The control of brake is carried out by controller 27.In order to
Open clutch or make clutch ventilate, spring 34 is installed.
According to the embodiment of pump 12, driving wheel 25 can be directly a part for pump 12, or also
Can be the additional wheel (coaxial with transmission shaft) connected with pump shaft 13, then described wheel be braked.
Additionally, arrange displacement transducer 29, the joint displacement of this displacement sensor clutch 1.
This displacement transducer so illustrates herein: target may be located on pressurized tank (connecting element 17) or position
On piston 8.It is also contemplated that the pressure transducer 30 of pressure in measurement mating system and temperature
Sensor.
Electronic installation/electronic module 31 can also be positioned in clutch, described electronic installation/electronic module
It is required for the operation of sensor, or undertakes other task.Additionally, sensor
Information is conducted to controller 27 by data wire 28 and mediator (transfer device 32).Preferable herein
, mediator 32 is wireless and also brings the energy being used for the operation of sensor into clutch 1
In.
Additionally, clutch apparatus 1 can also be embodied as the double clutch with two pumps 12.Pump 12
By between the clutch rotated and motionless housing (variator and/or the housing of internal combustion engine) can
The connection of electrodeless regulation drives.This can implement the most simply, and its mode is, pump shaft/pump drive shaft
13 are driven by the brake/brake unit 14 between clutch and housing.This can be mechanical type
Or the brake (such as disk brake, eddy-current brake, electromotor) of electric-type.
Producing hydraulic pressure by pump 12, by same co-rotational cylinder, (pump connects described hydraulic pressure
Receive housing) controlled clutch/clutch apparatus 1.Throttling is installed in pressure piping/pressure pipeline 19
Plate 23, fluid is flow back in hold-up vessel 21 by described choke block.Regulation is thus made to become easy.
Clutch apparatus 1 is the most direct operated, normally opened.Other embodiment (lever of clutch
That handle, normally closed ...) be essentially possible.
Additionally, the actuator rotated is not only able to and so-called dry clutch system combination, and can
With so-called wet clutch system in combination.Hold-up vessel 21 is provided with in corrugated tube or aerated film form
Volumetric balance equipment.
Two pumps 12 of double clutch be positioned at almost identical diametrically, wherein, export accordingly from
Dynamic piston/application piston 8 is diametrically, in order to reduce the eccentric force impact of convection cell.Hold-up vessel 21
Can alternatively be connected with compensating piston, in order to therefore reduce eccentric force impact.Thus pump 12 need not be again
It is positioned on the radius identical with relay piston.If brake is embodied as electromotor, then using mixed
When closing in power car burner motionless/internal combustion engine 4 motionless in the case of, electromotor can be as sending out
Motivation uses, and therefore makes clutch close.This is firstly for being useful for hybrid power strategy
's.The Guan Bi of clutch is carried out by operating brakes.Due to choke block 23, in braking moment and
Computable relatedness is there is between clutch torque.Clutch is opened voluntarily.That is, in order to beat
Declutching only must release brake.
List of reference signs
1 clutch apparatus
2 drivetrains
3 bent axles
4 internal combustion engines
5 variators
6 take turns
7 pressing plates
8 application pistons
9 manipulation devices
10 clutch driven plates
11 counter
12 pumps
13 pump drive shafts
14 brake units
15 transmission input shafts
16 clutch housings
17 connecting elements
18 pressure chamberes
19 pressure pipelines
20 low pressure pipelines
21 hold-up vessels
22 reflux lines
23 choke blocks
25 brake force transmitters
26 brake force receptors
27 controllers
28 data wires
29 displacement transducers
30 pressure transducers
31 electronic modules
32 transfer devices
33 clutch part
34 springs
Claims (10)
1., for the clutch apparatus (1) of motor vehicles drivetrain (2), there is at least one and preferably exist
Movable pressing plate (7) on the axial direction of described clutch apparatus (1), wherein, described pressing plate (7)
With the application piston (8) of manipulation device (9) effect jointly and can be at bonding station with separate position
Move back and forth between putting, and, described manipulation device (9) has pump (12), and this pump (12) has
There is pump drive shaft (13) and control to affect described application piston (8) to regulate described pressing plate (7)
The stress level of position, it is characterised in that described pump drive shaft (13) is in brake unit (14)
At least one state activated under so jointly act on described brake unit (14): make by institute
State pump drive shaft (13) and drive described pump (12), in order to load described manipulation with the first stress level
Piston (8).
Clutch apparatus the most according to claim 1 (1), it is characterised in that described pump (12)
The most integrated so that the state that the fluid pressure caused by it activates in described brake unit (14)
Under by means of described application piston (8) be arranged in described application piston (8) and described pressing plate (7)
Between such as disk spring type or the mechanical connecting element (17) of pressure pot type by described pressing plate
(7) it is expressed in the position being manipulated by.
Clutch apparatus the most according to claim 1 and 2 (1), it is characterised in that described pump
(12) so arrange so that it is in static under described brake unit (14) nonactivated state
In position, in this resting position, described pump (12) is in the upper applying second of described application piston (8)
Stress level, described second stress level is less than described first stress level.
4. according to the clutch apparatus (1) described in Claims 2 or 3, it is characterised in that described pressure
Plate (7) is arranged in the position not being manipulated by under described brake unit (14) nonactivated state.
Clutch apparatus the most according to any one of claim 1 to 4 (1), it is characterised in that
Described brake unit (14) has relative to housing regularly, such as relative to case of transmission and/or
Internal combustion engine housing the most attachable brake force transmitter (25) and can be with described pump drive shaft (13)
The brake force receptor (26) that anti-torsion ground connects.
Clutch apparatus the most according to any one of claim 1 to 5 (1), it is characterised in that
Described brake unit (14) has disk brake, eddy current type brake or electromotor.
Clutch apparatus the most according to any one of claim 1 to 6 (1), it is characterised in that
Described pump (12) is received in pump and receives in housing, and wherein, described pump receives housing in described clutch
Under the running status of device equipment (1), the clutch housing (16) with described clutch apparatus (1) resists
Torsionally connecting, described clutch housing is connected with the bent axle (3) of internal combustion engine (4).
Clutch apparatus the most according to claim 7 (1), it is characterised in that described braking dress
Put (14) the most integrated so that it at least when it activates to described pump drive shaft (13)
Play braking action, to such an extent as to pump drive shaft (13) be used for driving described pump (12) and can be relative to
In described pump receives housing, the pump matrix of structure reverses and turns.
Clutch apparatus the most according to any one of claim 1 to 8 (1), it is characterised in that
Described pump (12) has fluid issuing, and described fluid issuing is by pressure pipeline (19) and may move
Ground receives pressure chamber (18) the water conservancy diversion ground of described application piston (8) and connects.
Clutch apparatus the most according to any one of claim 1 to 9 (1), its feature exists
In, control device is set, this control device is in order to carry out desired clutch control and to activate braking
The mode of device is integrated and configuration.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014202505.2 | 2014-02-12 | ||
DE102014202505 | 2014-02-12 | ||
PCT/DE2015/200028 WO2015120846A1 (en) | 2014-02-12 | 2015-01-27 | Fully integrated hydraulic clutch |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106030141A true CN106030141A (en) | 2016-10-12 |
CN106030141B CN106030141B (en) | 2018-08-03 |
Family
ID=52596711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580008553.4A Active CN106030141B (en) | 2014-02-12 | 2015-01-27 | Fully-integrated hydraulic clutch |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN106030141B (en) |
DE (1) | DE112015000772A5 (en) |
WO (1) | WO2015120846A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112789423A (en) * | 2018-08-08 | 2021-05-11 | C法尔克远程遥控公司 | Torque limiting clutch including an electrical control system |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018106174A1 (en) | 2018-03-16 | 2019-09-19 | Schaeffler Technologies AG & Co. KG | Method for controlling a clutch actuator |
DE102018115592A1 (en) | 2018-06-28 | 2020-01-02 | Schaeffler Technologies AG & Co. KG | Method for controlling an electrohydraulic actuator |
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DE10216002A1 (en) * | 2001-11-09 | 2003-05-28 | Zf Sachs Ag | Motor vehicle drive train, with at least one clutch operated by pressure medium, has pump arrangement with at least one pump controllable in output pressure and/or volumetric flow |
EP1236918B1 (en) * | 2001-02-22 | 2003-10-15 | ZF Sachs AG | Clutch system with a pump actuated clutch |
CN1665696A (en) * | 2002-07-10 | 2005-09-07 | 腓特烈斯港齿轮工厂股份公司 | Method and device for controlling functions of an occupational vehicle |
US20060272869A1 (en) * | 2005-06-06 | 2006-12-07 | Nissan Motor Co., Ltd. | Oil pump driving control device for a hybrid vehicle |
CN102575456A (en) * | 2009-10-07 | 2012-07-11 | 日立建机株式会社 | Construction machinery |
CN102753376A (en) * | 2010-03-05 | 2012-10-24 | 爱信艾达株式会社 | Hybrid drive apparatus |
EP2587085A1 (en) * | 2011-10-26 | 2013-05-01 | GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG | Motor vehicle drive train and a hydraulic circuit for the same |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005014633A1 (en) | 2004-04-16 | 2005-11-03 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Clutch actuating method for motor vehicle, involves converting rotary motion of servo drive into translatory motion of shifter to actuate clutch, where kinetic energy for actuating clutch is obtained partly from drive train apart from motor |
-
2015
- 2015-01-27 DE DE112015000772.5T patent/DE112015000772A5/en not_active Withdrawn
- 2015-01-27 CN CN201580008553.4A patent/CN106030141B/en active Active
- 2015-01-27 WO PCT/DE2015/200028 patent/WO2015120846A1/en active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1236918B1 (en) * | 2001-02-22 | 2003-10-15 | ZF Sachs AG | Clutch system with a pump actuated clutch |
DE10216002A1 (en) * | 2001-11-09 | 2003-05-28 | Zf Sachs Ag | Motor vehicle drive train, with at least one clutch operated by pressure medium, has pump arrangement with at least one pump controllable in output pressure and/or volumetric flow |
CN1665696A (en) * | 2002-07-10 | 2005-09-07 | 腓特烈斯港齿轮工厂股份公司 | Method and device for controlling functions of an occupational vehicle |
US20060272869A1 (en) * | 2005-06-06 | 2006-12-07 | Nissan Motor Co., Ltd. | Oil pump driving control device for a hybrid vehicle |
CN102575456A (en) * | 2009-10-07 | 2012-07-11 | 日立建机株式会社 | Construction machinery |
CN102753376A (en) * | 2010-03-05 | 2012-10-24 | 爱信艾达株式会社 | Hybrid drive apparatus |
EP2587085A1 (en) * | 2011-10-26 | 2013-05-01 | GETRAG Getriebe- und Zahnradfabrik Hermann Hagenmeyer GmbH & Cie KG | Motor vehicle drive train and a hydraulic circuit for the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112789423A (en) * | 2018-08-08 | 2021-05-11 | C法尔克远程遥控公司 | Torque limiting clutch including an electrical control system |
Also Published As
Publication number | Publication date |
---|---|
CN106030141B (en) | 2018-08-03 |
WO2015120846A1 (en) | 2015-08-20 |
DE112015000772A5 (en) | 2016-10-20 |
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