CN104937302B - Fluidic system and method for actuating a clutch device - Google Patents

Fluidic system and method for actuating a clutch device Download PDF

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Publication number
CN104937302B
CN104937302B CN201480004258.7A CN201480004258A CN104937302B CN 104937302 B CN104937302 B CN 104937302B CN 201480004258 A CN201480004258 A CN 201480004258A CN 104937302 B CN104937302 B CN 104937302B
Authority
CN
China
Prior art keywords
valve
working cylinder
fluid system
clutch
leakage
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.)
Expired - Fee Related
Application number
CN201480004258.7A
Other languages
Chinese (zh)
Other versions
CN104937302A (en
Inventor
B·米勒
M·埃尔利希
E·康博乌斯基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of CN104937302A publication Critical patent/CN104937302A/en
Application granted granted Critical
Publication of CN104937302B publication Critical patent/CN104937302B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F16D48/0206—Control by fluid pressure in a system with a plurality of fluid-actuated clutches
    • 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
    • F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
    • 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
    • F16D2048/0212—Details of pistons for master or slave cylinders especially adapted for fluid control
    • 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
    • F16D2048/0221—Valves for clutch control systems; Details thereof
    • 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
    • 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
    • F16D2048/0245—Electrically driven rotary pumps
    • 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
    • F16D2048/0272—Two valves, where one valve is supplying fluid to the cylinder and the other valve is for draining fluid to the sump
    • 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
    • F16D2048/0278—Two valves in series arrangement for controlling supply to actuation cylinder
    • 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/51—Relating safety
    • F16D2500/5104—Preventing failures

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention relates to a fluid system for actuating a clutch device, comprising at least one working cylinder which is actuated via a valve for actuating the clutch device. The invention is characterized in that the working cylinders are assigned inlet and outlet valves which are designed as low-leakage or non-leakage valves.

Description

For controling the fluid system and method for clutch apparatus
Technical field
The present invention relates to a kind of fluid system and method for being used to control clutch apparatus, which has at least one A working cylinder controled via valve for manipulating the clutch apparatus.
Background technology
A kind of hydraulic device for controlled clutch as known to 10 2,012 202 162 A1 of German laid-open document DE, Working cylinder with the hydraulic pressure being arranged near the clutch, wherein, which connects via fluid pressure line and volume flow source Connect and wherein the volume flow in the volume flow source can be controlled by control unit, wherein, pressure is formed in the working cylinder Power back-seated valve (Sitzventil) is closed, with the hydraulic path being enclosed between the pump and the working cylinder.By the open text of Germany A kind of piece-rate system for the clutch for being used to control motor vehicle, the piece-rate system known to 102 31 786 A1 of DE is offered to transmit There is slave cylinder and active cylinder in path, wherein, the first valve and the second valve are provided with the case of mechanical handling.Seat can be applied Valve is as precompression valve.It is a kind of as known to 31 05 239 C2 of Germany Patent document DE to be used to hydraulically open to close by spring force The manipulation device of the clutch of conjunction, the manipulation device carry pressure-regulating valve and accumulator, and the accumulator is via being embodied as seat The check-valves of valve is engaged on branch pipeline.
The content of the invention
Be used to controling the fluid system or method of clutch apparatus the object of the present invention is to provide a kind of, the fluid system or Method can cost-effectively be manufactured and/or can run with few loss.
A kind of in controling the fluid system of clutch apparatus, which to carry at least one working cylinder, institute State working cylinder to be controled for manipulating the clutch apparatus via valve, which realizes in the following way：To the working cylinder Inlet valve and outlet valve are associated with, the inlet valve and outlet valve are embodied as few leakage or No leakage valve.The inlet valve It is connected between the outlet in the working cylinder and volume flow source.The outlet valve is connected to the working cylinder and fluid reservoir Such as between hydraulic medium tank.Described leaking less or No leakage valve can be embodied as guiding valve, ball check valve and analog. Fluid pressure source, such as fluid pump need not right supplement trandfer fluid in the case of less or no leakage, with compensation leakage damage Lose, this further means that less loss for example in energy acceptance, higher service life, less abrasion etc..It is described few Leakage or No leakage valve is preferably implemented as simple seat valve.For example have during fabrication relative to guiding valve using simple seat valve There is cost advantage.In addition, it can be reduced by simple seat valve when fluid system is run, especially fully prevent undesirable let out Leakage loss is lost.Seat valve advantageously only has two states, i.e. open mode and closed mode.Under the closed mode of seat valve, phase is leaked Significantly reduced for guiding valve.In addition, had the advantage that using this simple seat valve：When the fluid system is run not Pressure must be continuously kept.Thus, the energy loss when the fluid system is run can be reduced.The fluid system is preferably directed to It is a kind of with hydraulic medium, such as hydraulic oil operation hydraulic system.
One preferred embodiment of the fluid system is characterized in that the clutch apparatus is embodied as carrying two clutches The double clutch of device, is associated with inlet valve and outlet valve, the inlet valve and outlet valve are embodied as respectively to the two clutches Valve leak less or No leakage.Thus, only by the control of the valve realize the clutch independent of the volume The opening of traffic sources.This has the advantage that again：When the fluid system is run, only by single volume flow source, As hydraulic pump realizes the interrelated of the two clutches
Another preferred embodiment of the fluid system is characterized in that described leaking less or No leakage valve is embodied as Bi-bit bi-pass reversal valve.Described leaking less or No leakage valve advantageously only has closed position and open position respectively. Under closed position, the connection to the working cylinder is cut off.The working cylinder is for the inlet valve under open position It is connected with the volume flow source and is connected for the outlet valve with fluid reservoir.Described leaking less or nothing is let out The valve of leakage control for example by electricity or carried out in a manner of electromagnetism.
Another preferred embodiment of the fluid system is characterized in that the working cylinder is embodied as simply acting on driven Cylinder.The slave cylinder in the clutch operating system of hydraulic pressure with active cylinder collective effect.
Another preferred embodiment of the fluid system is characterized in that the working cylinder is connected with centre is associated with institute It is connected in the case of stating the inlet valve of working cylinder with the outlet of the hydraulic pump of preferred motor driving.By few according to the present invention Leakage or No leakage the arranging of valve, the arrangement of particularly simple seat valve, such as relative to hydrostatic clutch actuator A motor can be saved.
Another preferred embodiment of the fluid system is characterized in that working cylinder passes through a connecting line phase in outlet side Connect, by-passing valve be disposed with the connecting line, the by-passing valve it is also preferred that be embodied as few leakage or No leakage valve, In particular seat valve.The by-passing valve is embodied as the bi-bit bi-pass reversal valve with open position and closed position.On open position, The two working cylinders are hydraulically connected with each other via the connecting line.On closed position, the connection between the two working cylinders It is cut off.The by-passing valve also referred to as interaction valve (Crosh-Talk-Ventil), the interaction valve can make the two working cylinders have pin To property in the time interval of restriction, also pulsedly, hydraulically it is connected with each other.
For by method of the foregoing fluid system to control clutch apparatus, above-mentioned purpose to be alternatively Or realized additionally by following manner：The inlet valve is opened and closes the outlet valve for being associated with same working cylinder Close, to improve the operating pressure in the working cylinder.Being improved by the pressure in the working cylinder can be for example by by spring Clutch of the pretension in its open position closes.If open the clutch, then close the inlet valve and by institute State outlet valve opening.
One preferred embodiment of the method is characterized in that, the outlet valve is opened by high-frequency impulse, with metering Ground reduces the operating pressure in the working cylinder.The opening and closing of the short time of the valve are also referred to as pulse.Pass through institute The pressure in the working cylinder can be reduced with measuring in a straightforward manner by stating the pulse of outlet valve.Thus the clutch is beaten Energy is opened advantageously independent of the volume flow source, especially independent of the hydraulic pump, but is controllably carried out.Only pass through The valve controls and opens the clutch independent of the volume flow source especially hydraulic pump so that in double clutch The clutch only by volume flow rate source, especially pump it is interrelated.A clutch in the clutch by from When the pulse of the outlet valve of category is controllably opened, second clutch in the clutch can by the volume flow source, Especially pump and be controllably closed.
Another preferred embodiment of the method is characterized in that, the work that will be dominated in the working cylinder for the clutch being manipulated The part for making pressure is quoted into the working cylinder for the clutch not being manipulated via one or the by-passing valve.This is with following Advantage：A part for the pressure dominated in such as closure, the working cylinder of clutch that is manipulated is not directly discharged to described In fluid reservoir, but quote into the working cylinder for the clutch for not being manipulated before, treating to be manipulated, for example being closed. The energy regenerating of part is achieved in, so as to improve the gross efficiency of the fluid system.
The invention further relates to a kind of double clutch, it carries the fluid system described before, the double clutch in particular according to The method described before is controled.
Brief description of the drawings
The description below provides advantages, features, and details of the invention other, in discussion below referring to the drawings in detail Different embodiments is described.Attached drawing is shown：
The fluid wiring diagram of the simplification of Fig. 1 one embodiment of the present of invention and
Fluid wiring diagram similar with Fig. 1 Fig. 2, has the additional connecting line with by-passing valve.
Embodiment
The fluid system 1 of two embodiments according to the present invention is shown in Fig. 1 and 2；71.Same reference numeral is used for Mark same component.Illustrate the common ground of the two embodiments first below.Then between this two embodiment of elaboration not Exist together.
The fluid system 1；71 include hydraulic pump 4 and the hydraulic medium reservoir indicated by tank symbol 5,6,7.By this Hydraulic pump 4, can aspirate via check-valves 8 and with pressure-loaded hydraulic medium.The hydraulic pump 4 is driven by motor 10. However, the driving of the hydraulic pump 4 also alternatively, or additionally by explosive motor or by it is at least one auxiliary unit, such as Motivation is carried out.
The first connecting line 11 and the second connecting line 12 are connected in the outlet uplink of the hydraulic pump 4.Via first company Road 11 is taken over, the first working cylinder 21 is connected on the hydraulic pump 4.Via two connecting line 12, the second working cylinder 22 is connected Onto the hydraulic pump 4.
The two working cylinders 21,22 are embodied as simple slave cylinder.First working cylinder 21 is used to manipulate first clutch 31, which is only indicated with spring and shown in the state of it manipulated by first working cylinder 21.Working cylinder 22 are associated with second clutch 32, the second clutch show it not by second working cylinder manipulate in the state of, also It is to say in its open position.
The two clutches 31,32 form the sub- clutch of double clutch.Attach troops to a unit first entrance to the first clutch 31 Valve 41 and first outlet valve 51.Attach troops to a unit second entrance valve 42 and second outlet valve 52 to the second clutch 32.The valve 41, 42 and 51,52 are advantageously implemented as simple seat valve.
The first branch 61 is disposed between the first entrance valve 41 and first working cylinder 21.In second entrance valve 42 The second branch 62 is disposed between second working cylinder 22.The outlet valve 51；52 are arranged in branch 61；62 With the fluid storage phase 5；Between 7.
When the working cylinder 21, one of 22 will be manipulated, then the outlet valve 51,52 attached troops to a unit be closed and institute from The inlet valve 41,42 of category is opened.If the clutch 31,32 will be opened, then the inlet valve 41,42 of institute's subordinate is closed Close and the outlet valve 51,52 of institute's subordinate is opened.
If the opening of the clutch 31,32 however controllably carried out dependent on the hydraulic pump 4, then can be by short Temporally open and close the outlet valve 51,52 reduces with making pressure measurement in relevant work cylinder 21,22.Only pass through institute Valve control is stated to realize the opening independent of the hydraulic pump of respective clutch 31,32 so that in double clutch this two A clutch 31,32 can be interrelated only by single hydraulic pump 4.
On and off is beaten when the short time that a clutch in the clutch 31,32 passes through the outlet valve 51,52 Close when controllably being opened, the second clutch in the clutch 31,32 can controllably be closed by the hydraulic pump 4. The opening and closing of the short time of the valve are also referred to as pulse.Preferably, only described outlet valve is subjected to pulse.But in principle Also it is possible that：Pulse is imposed to inlet valve.
Difference lies in the two branches 61,62 pass through the fluid system 1 shown in fluid system 71 and Fig. 1 shown in Fig. 2 Connecting line 75 is hydraulically connected with each other.By-passing valve 76 is disposed with the connecting line 75.
The by-passing valve 76 can be realized：A part for the operating pressure dominated in the working cylinder 21 being manipulated is not discharged directly Into tank 5, but quote via the by-passing valve 76 of opening into the working cylinder 22 not being manipulated.Thus in the working cylinder 21 Some hydraulic energies can be used, with working cylinder 22 described in pressure-loaded.Energy regenerating relevant whereby improves the fluid The gross efficiency of system 71.
Reference numerals list
1 fluid system
4 hydraulic pumps
5 tank symbols
6 tank symbols
7 tank symbols
8 check-valves
10 motor
11 first connecting lines
12 second connecting lines
21 first working cylinders
22 second working cylinders
31 first clutches
32 second clutches
41 first entrance valves
42 second entrance valves
51 first outlet valves
52 second outlet valves
61 first branches
62 second branches
71 fluid systems
75 connecting lines
76 by-passing valves

Claims (13)

1. the fluid system (1 for controling clutch apparatus；71), there is at least two working cylinders (21,22), the working cylinder Controled via valve for manipulating the clutch apparatus, it is characterised in that attach troops to a unit inlet valve to the working cylinder (21,22) (41,42) and outlet valve (51,52), the inlet valve and outlet valve are embodied as few leakage or No leakage valve,
At least two working cylinder (21,22) is connected with each other in outlet side by connecting line (75), in the connecting line It is disposed with by-passing valve (76).
2. fluid system according to claim 1, it is characterised in that the clutch apparatus is embodied as having two clutches The double clutch of device (31,32), inlet valve (41,42) and outlet valve (51,52) are associated with to the two clutches respectively, described Inlet valve and outlet valve are embodied as few leakage or No leakage valve.
3. fluid system according to claim 1 or 2, it is characterised in that described leaking less or No leakage valve is implemented For bi-bit bi-pass reversal valve.
4. fluid system according to claim 1 or 2, it is characterised in that the working cylinder (21,22) is embodied as simply making Slave cylinder.
5. fluid system according to claim 1 or 2, it is characterised in that the working cylinder (21,22) is connected with centre It is connected in the case of the inlet valve (41,42) for being associated with the working cylinder (21,22) with the outlet of hydraulic pump (4).
6. fluid system according to claim 1 or 2, it is characterised in that the by-passing valve is also embodied as few leak or nothing The valve of leakage.
7. fluid system according to claim 5, it is characterised in that the hydraulic pump is the hydraulic pump of motor driving.
8. fluid system according to claim 6, it is characterised in that the by-passing valve is embodied as seat valve.
9. for by the fluid system (1 according to one of the claims；71) method of clutch apparatus is controled, It is characterized in that, by the inlet valve (41,42) open and will be associated with same working cylinder (21,22) outlet valve (51, 52) close, to improve the operating pressure in the working cylinder (21,22).
10. according to the method described in claim 9, it is characterized in that, the outlet valve (51,52) is beaten by high-frequency impulse Open, the operating pressure in the working cylinder (21,22) is reduced with metering.
11. the method according to claim 9 or 10, it is characterised in that by the working cylinder (21,22) for the clutch being manipulated A part for the operating pressure of interior domination quotes the work to the clutch (31,32) not being manipulated via the by-passing valve (76) In cylinder (21,22).
12. double clutch, with the fluid system (1 described in one of with good grounds claim 1 to 8；71).
13. double clutch according to claim 12, it is characterised in that the double clutch according to claim 9 to 11 it Method described in one is controled.
CN201480004258.7A 2013-01-18 2014-01-17 Fluidic system and method for actuating a clutch device Expired - Fee Related CN104937302B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102013200813 2013-01-18
DE102013200813.9 2013-01-18
DE102013207839.0 2013-04-29
DE102013207839 2013-04-29
PCT/DE2014/200003 WO2014111088A2 (en) 2013-01-18 2014-01-17 Fluidic system and method for controlling a coupling device

Publications (2)

Publication Number Publication Date
CN104937302A CN104937302A (en) 2015-09-23
CN104937302B true CN104937302B (en) 2018-04-13

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ID=50137462

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480004258.7A Expired - Fee Related CN104937302B (en) 2013-01-18 2014-01-17 Fluidic system and method for actuating a clutch device

Country Status (3)

Country Link
CN (1) CN104937302B (en)
DE (2) DE112014000470A5 (en)
WO (1) WO2014111088A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016112152A1 (en) * 2016-07-04 2018-01-04 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Method for operating a clutch

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093143A (en) * 1981-02-13 1982-08-25 Zahnradfabrik Friedrichshafen Hydraulic actuation of a clutch
US4799160A (en) * 1984-11-07 1989-01-17 Renault Agriculture Clutch automation device
FR2762880A1 (en) * 1997-04-30 1998-11-06 Hydrokit Automatic control valve for clutch of agricultural or public works vehicle
CN101163901A (en) * 2005-04-25 2008-04-16 赫尔比格驱动技术有限公司 Activation control device for the clutch packs of a hydraulic double clutch
CN102465977A (en) * 2010-11-02 2012-05-23 爱信精机株式会社 Drive system for vehicle
DE102011075168A1 (en) * 2011-05-03 2012-11-08 Zf Friedrichshafen Ag Method for recognizing leakage in adjusting device of fluid-actuated clutch of motor vehicle, involves adjusting clutch of adjusting cylinder controlled through control unit by switching valves against force of restoring spring

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9500126D0 (en) * 1995-01-05 1995-03-01 Automotive Prod France Actuators
DE10293175D2 (en) 2001-07-19 2004-07-01 Luk Lamellen & Kupplungsbau System for controlling a component of a transmission of a vehicle taking fluid loss into account
DE112012000961B4 (en) 2011-02-23 2023-07-20 Schaeffler Technologies AG & Co. KG Hydraulic device for actuating a clutch

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2093143A (en) * 1981-02-13 1982-08-25 Zahnradfabrik Friedrichshafen Hydraulic actuation of a clutch
US4799160A (en) * 1984-11-07 1989-01-17 Renault Agriculture Clutch automation device
FR2762880A1 (en) * 1997-04-30 1998-11-06 Hydrokit Automatic control valve for clutch of agricultural or public works vehicle
CN101163901A (en) * 2005-04-25 2008-04-16 赫尔比格驱动技术有限公司 Activation control device for the clutch packs of a hydraulic double clutch
CN102465977A (en) * 2010-11-02 2012-05-23 爱信精机株式会社 Drive system for vehicle
DE102011075168A1 (en) * 2011-05-03 2012-11-08 Zf Friedrichshafen Ag Method for recognizing leakage in adjusting device of fluid-actuated clutch of motor vehicle, involves adjusting clutch of adjusting cylinder controlled through control unit by switching valves against force of restoring spring

Also Published As

Publication number Publication date
DE112014000470A5 (en) 2015-09-24
WO2014111088A2 (en) 2014-07-24
WO2014111088A3 (en) 2015-01-22
CN104937302A (en) 2015-09-23
DE102014200754A1 (en) 2014-07-24

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