WO2007039084A1 - Systeme hydraulique destine a commander deux activateurs, une soupape d'evacuation destine au systeme et un organe de commande comprenant celui-ci - Google Patents

Systeme hydraulique destine a commander deux activateurs, une soupape d'evacuation destine au systeme et un organe de commande comprenant celui-ci Download PDF

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Publication number
WO2007039084A1
WO2007039084A1 PCT/EP2006/009061 EP2006009061W WO2007039084A1 WO 2007039084 A1 WO2007039084 A1 WO 2007039084A1 EP 2006009061 W EP2006009061 W EP 2006009061W WO 2007039084 A1 WO2007039084 A1 WO 2007039084A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
slave cylinder
piston
hydraulic system
pressure line
Prior art date
Application number
PCT/EP2006/009061
Other languages
German (de)
English (en)
Inventor
Johannes Quehenberger
Original Assignee
Magna Powertrain Ag & 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 Magna Powertrain Ag & Co Kg filed Critical Magna Powertrain Ag & Co Kg
Priority to DE112006002365T priority Critical patent/DE112006002365B4/de
Publication of WO2007039084A1 publication Critical patent/WO2007039084A1/fr

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Classifications

    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
    • F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor
    • 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
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20561—Type of pump reversible
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • 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
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/78—Control of multiple output members
    • F15B2211/783—Sequential 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
    • F16D2048/0212—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
    • F16D2048/0227—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
    • F16D2048/0248—Reversible rotary pumps, i.e. pumps that can be rotated in the two directions
    • 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
    • F16D2048/0281—Complex circuits with more than two valves in series or special arrangements thereof not provided for in previous groups
    • 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
    • F16D2048/0284—Hydraulic circuit layouts, i.e. details of hydraulic circuit elements or the arrangement thereof characterised by valve arrangements supplying fluid to a two chamber- 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
    • F16D2500/30—Signal inputs
    • F16D2500/302—Signal inputs from the actuator
    • F16D2500/3024—Pressure
    • 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
    • F16H—GEARING
    • F16H2306/00—Shifting
    • F16H2306/40—Shifting activities
    • F16H2306/44—Removing torque from current gears
    • 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
    • F16H—GEARING
    • F16H2306/00—Shifting
    • F16H2306/40—Shifting activities
    • F16H2306/52—Applying torque to new gears
    • 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
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/68—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings
    • F16H61/682—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for stepped gearings with interruption of drive

Definitions

  • the invention relates to a hydraulic system for controlling two actuators of a transmission, wherein the first actuator has a double-acting first slave cylinder with a first piston and the second actuator has a single-acting second slave cylinder with a displaceable against the force of a spring second piston, and wherein the Hydraulic fluid is provided by a pump unit from a reservoir.
  • Such hydraulic systems find use in transmissions of motor vehicles, for example in dual-clutch transmissions and in particular in transfer cases for all-wheel drive vehicles in a broader sense.
  • a rigidly driven pump is usually used, and the actuators are actuated via a number of control valves.
  • Number and circuit of the control valves require for reasons of reliability and positioning accuracy a considerable effort. This is especially true when it must be ensured that the two actuators are timed to each other, especially not at the same time, to act. Complicating the requirement for intrinsic safety and, if one of the actuators is associated with a clutch, after opening the clutch in case of elimination of the oil pressure. Finally, the clutch for vehicles with ABS (electronically influenced brake intervention) should also be disengaged very quickly.
  • the second actuator can act only when the first piston is in a certain position or the cylinder is on the right side under pressure.
  • the discharge valve is also inevitably controlled by the pressure acting on the first slave cylinder.
  • a Steueröfmung is provided on each side of the first piston, which is connected via a respective control valve with the second slave cylinder leading third pressure line (claim 4).
  • a movement assignment of the two actuators is possible in several situations, for example in a transmission, that before switching a gear, the clutch is opened and then closed again. If the control valve further responds to the position of the first piston and / or to the pressure prevailing in the first slave cylinder pressure (claim 5), an external control is unnecessary.
  • the drain valve is a displaceable in a cylindrical bore double piston, the mutually facing first control edges in cooperation with annular spaces formed in the bore second control edges enable or block the flow connection between the third pressure line and the reservoir, and at the side facing away from each other End faces of the pressure prevailing in the first and second pressure line pressure and a respective compression spring acts (claim 7).
  • the discharge valve is in the open center position, if on any of the opposite end faces a pressure acts, that is, when the first and the second pressure line is depressurized. When a pressure is applied in one of the two, the discharge valve is deflected against the force of a spring into one or the other closed extreme position.
  • stop plates are provided on both sides of the double piston, which are pressed by the associated compression spring against a shoulder in the cylindrical bore see, and having a hole through which the pressure prevailing in the first or second pressure line acting on the opposite end faces of the double piston (Claim 8).
  • the position of the shoulders in the cylindrical bore determines the open center position the discharge valve and it can be used springs of low spring stiffness with high preload.
  • the hole in the stopper disks causes the pressure acting on an end face of the double piston to first act only on a surface corresponding to the diameter of the hole until that surface moves away from the hole. Only then does the pressure on the entire and the double piston is pushed very quickly and completely into the respective blocking position. In this way, a nearly volumetric control of the drain valve is achieved.
  • the mutually facing first control edges of the double piston can be chamfered or provided with notches distributed over the circumference (claim 9). This prevents that at a small piston movement immediately the entire cross section is released.
  • the invention further relates to a drain valve for a hydraulic system in which a single controllable reversible pump unit controls two actuators, which opens the drain valve when the pressure generated by the pump unit drops below a certain value.
  • the invention also relates to a transmission with a hydraulic system according to claim 1, in which the double-acting first slave cylinder with the first piston actuates a gearshift and the single-acting second slave cylinder of a clutch. Thanks to the hydraulic system according to the invention possible coupling of the two actuators can be switched only by control action on the pump unit from one gear to another and the clutch is necessarily operated coupled.
  • Embodiment, - Fig. 2 as in Fig. 1, in another switching position,
  • FIG. 4 shows the drain valve of FIG. 1, FIG.
  • FIG. 5 the same, in the position of FIG. 2, FIG. 6: a modified form of the drain valve of FIG. 1;
  • a shift fork 1 for shifting gears for example: off-road gear and road or forward and reverse
  • a friction clutch 2 shown when switching a gear with the movement of Shift fork 1 is timed to operate.
  • On the shift fork 1 engages a displaceable in its longitudinal direction shift rod 3, which is fixedly connected to a first piston 6 of a first slave cylinder 5.
  • the latter is an example of a first actuator acting in both directions of movement.
  • the shift rod 3 is still provided with a detent 4, which locks it in one of the two switching positions.
  • the friction clutch 8 is only indicated. It consists of the usual disk set 11, a clutch spring 10 and a second slave cylinder 8 as an example of a second actuator.
  • the hydraulic system associated with the two actuators 5, 8 is supplied with pressurized fluid by a reversible pump 20, which together with a reversible and controllable electric motor 21 forms a pump unit.
  • the pump 20 has a first port 22 and a second port 23 communicating with a first (24) and a second pressure line (25).
  • first check valve 26 10 of the first pressure line (24) is a first check valve 26 and in the second pressure line 25, a second check valve 27.
  • Each of the two check valves 26, 27 closes when the respective port 22,23 forms the pressure port and opens when it forms the suction port , Then the pump sucks from a reservoir 28 hydraulic fluid.
  • the first piston 6 divides the contents of the first slave cylinder 5 into a first working chamber 30 and a second working chamber 31.
  • the first pressure line 24 opens and in the second, the second pressure line 25.
  • a control open 34 arranged in a side wall of the first slave cylinder 5 in suitable location. In the position shown, it is just covered by the first piston 6, so that the pressure in one of the two working chambers 30, 31 does not reach it. However, if the first piston 6 is displaced in one or the other direction according to the arrow 32, it releases the control opening 34 and pressure fluid passes through a third check valve 35 into a third pressure line 36 which leads to the second slave cylinder 8.
  • a drain line 37 branches off, which leads through a drain valve 40 and via a drain line 38 into the reservoir 28.
  • a drain valve 40 act in a manner to be described two control lines 41, 42, the first with the first pressure line 24 and the second with the second pressure line 25 in Connection stands. As far as the hydraulic system at rest. Before explaining its operation by means of another position, the drain valve 40 is to be described in more detail.
  • the body 50 of the drain valve 40 is indicated by hatching. He has a cylindrical bore 51 with two annular spaces 52, 52 ', which bore 51 outside the annular spaces, shoulders 53, 53' forming, is extended.
  • the valve body 50 is symmetrical in the longitudinal direction, reference numerals are given only once and provided on the other side with an apostrophe.
  • stop plates 54, 54' which in the middle each have a hole 55, 55 'have.
  • a compression spring 56, 56' Between them and an even further outwardly disposed abutment 57, 57 'is in each case a compression spring 56, 56'.
  • the compression springs 56, 56 ' have a very soft characteristic, but are highly biased.
  • a double piston 60 is displaceable in the longitudinal direction, it consists of two pistons 61, 61 'with a connecting rod 62 therebetween.
  • the mutually facing end faces of the pistons 61, 61' each form a first control edge 63, 63 ', which with one of the annular spaces 52, 52 'formed second control edge 64, 64' cooperate.
  • the pistons 61, 61 ' have chamfers or notches 66 extending toward the inner end surface for damping.
  • Fig. 2 shows the hydraulic system of Figure 1 in an advanced operating position.
  • the pump 20 is operated so that its first port 22 suction port, which draws fluid via the first check valve 26 from the reservoir 28 and that its second port 23 pressure port becomes.
  • the fluid is required via the second pressure line 25 into the second working space 31 of the first slave cylinder 5. Since the acting in the second port 23 Pressure also acts on the drain valve 40 via a second control line 42, this is (see Fig. 2 and Fig. 5) shifted to the left and the branch line 37 is closed.
  • FIG. 5 shows the drain valve 40 in the position of FIG. 2.
  • the pump 20 does not promote and the two control lines 41, 42 are depressurized. Thanks to the stopper discs 54 and acting on them strongly biased but soft springs of the double piston 60 remains in the middle position in which the two annular spaces 52, 52 'and thus the drain line 37 and the end line 38 are in communication.
  • a pressure is built up either in the first or in the second control line (41, 42) but never in both at the same time, displacing the double piston 60 from its center position in one or the other direction , In Fig.
  • the second control line 42 is under pressure. It acts only because of the hole 55 'in the stopper disk 54' on the small surface 65 'of the right piston 61'.
  • the stopper plate 54 is to move on the other side against the force of the spring 56.
  • the entire rear end surface 65 'of the piston 61' is exposed to the pressure provided by the second control line 42 and the double piston 60 moves quickly and fully into the left position shown in Fig. 5.
  • the double piston 60 returns under the force of the compression spring 56 back to the starting position of FIG.
  • FIG. 3 differs from the embodiment of FIG. 1 only in that in the first slave cylinder 5 on both sides of the piston 6 Steueröffhungen 134, 134 'are provided, via control valves 133, 133' and a double-acting third check valve 135th to the third pressure line 136 drove.
  • the reference numerals of the differing parts are increased by 100.
  • the control valves 133, 133 ' may be externally controlled, but are controlled in the embodiment shown either by the piston 6 or by the prevailing in one of the two working chambers 30, 31 pressure.
  • the response to the control valves 133, 133 ' is indicated by dots and denoted by 137. It can consist of a simple mechanical or hydraulic connection.
  • the double-acting third check valve 135 and the third pressure line 136 and individual third check valves and two separate third pressure lines may be provided.
  • Fig. 6 shows a variant of the drain valve 40, in the event that two third pressure lines 136, 136 'are present.
  • speaking reference numbers increased by 100.
  • the difference is that the two third pressure lines 136, 136 'respectively open into one of the two annular spaces 152, 152' and that the discharge line 138 is arranged between the two annular spaces.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Control Of Transmission Device (AREA)

Abstract

L'invention concerne un système hydraulique destiné à commander deux activateurs dans une transmission comprenant une unité de pompage (20, 21) pouvant être changée de direction, comprenant un premier (22) et un second raccordement (23), qui sont selon le sens de transport de la pompe (20) un raccordement d'aspiration ou de pression. Les deux raccordements sont reliés par l'intermédiaire d'un clapet anti-retour (26, 27) au réservoir (28) et par l'intermédiaire de tuyaux de pression (24, 25) au premier cylindre récepteur (5). L'objectif de l'invention est de faire fonctionner les deux activateurs (5, 8) de manière accordée et sécurisée. A cet effet, un orifice de commande (34) est ménagé dans le cylindre récepteur (5), lequel peut être relié par l'intermédiaire d'un troisième clapet anti-retour (35) et d'un troisième conduit de pression (36) avec le deuxième cylindre récepteur (8), et il peut être relié par l'intermédiaire d'une soupape d'évacuation (40) dans le troisième conduit de pression (36) au réservoir (28). Ladite soupape d'évacuation (40) est en relation active avec le premier et le deuxième conduit de pression (24, 25). L'invention concerne également la formation de la soupape d'évacuation (40).
PCT/EP2006/009061 2005-09-30 2006-09-18 Systeme hydraulique destine a commander deux activateurs, une soupape d'evacuation destine au systeme et un organe de commande comprenant celui-ci WO2007039084A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112006002365T DE112006002365B4 (de) 2005-09-30 2006-09-18 Hydrauliksystem für die Steuerung zweier Aktuatoren und Getriebe mit einem solchen

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0066505U AT8987U1 (de) 2005-09-30 2005-09-30 Hydrauliksystem für die steuerung zweier aktuatoren und getriebe mit einem solchen
ATGM665/2005 2005-09-30

Publications (1)

Publication Number Publication Date
WO2007039084A1 true WO2007039084A1 (fr) 2007-04-12

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AT (1) AT8987U1 (fr)
DE (1) DE112006002365B4 (fr)
WO (1) WO2007039084A1 (fr)

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WO2012152382A1 (fr) * 2011-05-06 2012-11-15 Audi Ag Boîte de vitesses à embrayage et son procédé de fonctionnement
US8827062B2 (en) 2010-08-04 2014-09-09 Magna Powertrain Ag & Co Kg Torque transmission unit
CN105370881A (zh) * 2015-12-07 2016-03-02 上海瑞迪汽车科技有限公司 一种基于双向齿轮泵的两档换档系统
US9476431B2 (en) 2011-07-06 2016-10-25 Fte Automotive Gmbh Hydraulic actuating device for actuation of one or more setting elements in, in particular, a motor vehicle transmission
CN106402374A (zh) * 2016-09-20 2017-02-15 联合汽车电子有限公司 离合器控制方法
US9803702B2 (en) 2012-07-03 2017-10-31 Fte Automotive Gmbh Hydraulic actuating device for actuation of at least one friction clutch and at least one gear setting element in a motor vehicle
WO2019219174A1 (fr) * 2018-05-15 2019-11-21 Gkn Automotive Ltd. Actionneur et système d'actionnement et d'alimentation en lubrifiant pour véhicule automobile
DE102022105952A1 (de) 2022-03-15 2023-09-21 Schaeffler Technologies AG & Co. KG Hydrauliksystem und Verfahren zum Betreiben eines Hydrauliksystems

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Publication number Priority date Publication date Assignee Title
DE102011117486A1 (de) * 2011-10-26 2013-05-02 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Schaltanordnung für ein Kraftfahrzeuggetriebe
DE102015211305B3 (de) * 2015-06-19 2016-10-27 Schaeffler Technologies AG & Co. KG Druckabhängig einlegbare Parksperre für hydraulisches Schaltgetriebe
DE102016218118B4 (de) 2016-09-21 2018-10-31 Schaeffler Technologies AG & Co. KG Elektrischer Pumpenaktor zum Betätigen einer Parksperre

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FR1299146A (fr) * 1961-06-21 1962-07-20 Memmingen K G Maschf Dispositif pour la commande de machines de travail, notamment de machines à emballer
US3795176A (en) * 1971-10-26 1974-03-05 Pettibone Corp Boom-crowd cylinders with selective sequencing by solenoid valve
US5778671A (en) 1996-09-13 1998-07-14 Vickers, Inc. Electrohydraulic system and apparatus with bidirectional electric-motor/hydraulic-pump unit
WO2001062532A1 (fr) * 2000-02-23 2001-08-30 Actuant Corporation Dispositif a commande hydraulique pour vehicule decapotable
WO2002061288A2 (fr) * 2001-01-29 2002-08-08 Hoerbiger Hydraulik Gmbh Dispositif de commande hydraulique et clapet anti-retour a blocage hydraulique

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Publication number Priority date Publication date Assignee Title
FR1299146A (fr) * 1961-06-21 1962-07-20 Memmingen K G Maschf Dispositif pour la commande de machines de travail, notamment de machines à emballer
US3795176A (en) * 1971-10-26 1974-03-05 Pettibone Corp Boom-crowd cylinders with selective sequencing by solenoid valve
US5778671A (en) 1996-09-13 1998-07-14 Vickers, Inc. Electrohydraulic system and apparatus with bidirectional electric-motor/hydraulic-pump unit
WO2001062532A1 (fr) * 2000-02-23 2001-08-30 Actuant Corporation Dispositif a commande hydraulique pour vehicule decapotable
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US8827062B2 (en) 2010-08-04 2014-09-09 Magna Powertrain Ag & Co Kg Torque transmission unit
WO2012152382A1 (fr) * 2011-05-06 2012-11-15 Audi Ag Boîte de vitesses à embrayage et son procédé de fonctionnement
US9476431B2 (en) 2011-07-06 2016-10-25 Fte Automotive Gmbh Hydraulic actuating device for actuation of one or more setting elements in, in particular, a motor vehicle transmission
US9803702B2 (en) 2012-07-03 2017-10-31 Fte Automotive Gmbh Hydraulic actuating device for actuation of at least one friction clutch and at least one gear setting element in a motor vehicle
CN105370881A (zh) * 2015-12-07 2016-03-02 上海瑞迪汽车科技有限公司 一种基于双向齿轮泵的两档换档系统
CN106402374A (zh) * 2016-09-20 2017-02-15 联合汽车电子有限公司 离合器控制方法
CN106402374B (zh) * 2016-09-20 2019-01-04 联合汽车电子有限公司 离合器控制方法
WO2019219174A1 (fr) * 2018-05-15 2019-11-21 Gkn Automotive Ltd. Actionneur et système d'actionnement et d'alimentation en lubrifiant pour véhicule automobile
CN112105848A (zh) * 2018-05-15 2020-12-18 吉凯恩汽车有限公司 促动器和用于机动车的操纵和润滑剂供应系统
US11480248B2 (en) 2018-05-15 2022-10-25 Gkn Automotive Ltd. Actuator and lubricant supply for a motor vehicle
DE102022105952A1 (de) 2022-03-15 2023-09-21 Schaeffler Technologies AG & Co. KG Hydrauliksystem und Verfahren zum Betreiben eines Hydrauliksystems

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DE112006002365A5 (de) 2008-07-03
DE112006002365B4 (de) 2010-06-02

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