WO2018134118A1 - Dispositif d'actionnement électrohydraulique conçu pour un embrayage à friction de véhicule automobile - Google Patents

Dispositif d'actionnement électrohydraulique conçu pour un embrayage à friction de véhicule automobile Download PDF

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Publication number
WO2018134118A1
WO2018134118A1 PCT/EP2018/050689 EP2018050689W WO2018134118A1 WO 2018134118 A1 WO2018134118 A1 WO 2018134118A1 EP 2018050689 W EP2018050689 W EP 2018050689W WO 2018134118 A1 WO2018134118 A1 WO 2018134118A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
sensor element
travel
clutch pedal
master
Prior art date
Application number
PCT/EP2018/050689
Other languages
German (de)
English (en)
Inventor
Florian FAISTAUER
Markus Nösslböck
Original Assignee
Magna Powertrain Bad Homburg GmbH
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 Bad Homburg GmbH filed Critical Magna Powertrain Bad Homburg GmbH
Priority to EP18701415.4A priority Critical patent/EP3571423A1/fr
Priority to CN201880007552.1A priority patent/CN110573759A/zh
Publication of WO2018134118A1 publication Critical patent/WO2018134118A1/fr

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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
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • 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
    • F16D2500/10—System to be controlled
    • F16D2500/102—Actuator
    • F16D2500/1021—Electrical type
    • F16D2500/1023—Electric motor
    • F16D2500/1024—Electric motor combined with hydraulic 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
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/108—Gear
    • F16D2500/1081—Actuation type
    • F16D2500/1082—Manual transmission
    • 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
    • F16D2500/10—System to be controlled
    • F16D2500/108—Gear
    • F16D2500/1081—Actuation type
    • F16D2500/1083—Automated manual transmission
    • 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
    • F16D2500/3021—Angle
    • 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
    • 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
    • F16D2500/3026—Stroke
    • 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
    • F16D2500/314—Signal inputs from the user
    • F16D2500/31406—Signal inputs from the user input from pedals
    • F16D2500/31413—Clutch pedal position
    • 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
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/702—Look-up tables
    • 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
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/702—Look-up tables
    • F16D2500/70205—Clutch actuator
    • F16D2500/70235—Displacement
    • 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
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/702—Look-up tables
    • F16D2500/70252—Clutch torque
    • 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
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/702—Look-up tables
    • F16D2500/70252—Clutch torque
    • F16D2500/70264—Stroke
    • 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
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/7041—Position
    • 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
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/708—Mathematical model
    • F16D2500/7082—Mathematical model of the clutch

Definitions

  • the present invention relates to an electro-hydraulic actuator for a motor vehicle friction clutch.
  • Conventional hydraulic actuators for motor vehicle couplings have a master cylinder and a slave cylinder.
  • the master cylinder is connected to a reservoir filled with hydraulic fluid and comprises a master piston, which is acted upon by an actuating member, such as a clutch pedal, with force and displaced.
  • the master cylinder and the slave cylinder are hydraulically connected via a pressure line.
  • the slave cylinder may be, for example, a slave cylinder with a cylindrical piston or else a so-called central release with a ring piston arranged concentrically with respect to a transmission input shaft.
  • the clutch pedal is mechanically actuated by the driver of the vehicle, that is to say with his foot, the pressure generated in the master cylinder is transmitted to the slave cylinder via the fluid column in the pressure line.
  • the disengagement element of the clutch is acted upon by an actuating force via the slave cylinder piston in order to displace the clutch pressure plate via a disengagement mechanism and thus to separate the engine from the transmission of the motor vehicle.
  • Modern motor vehicles are becoming more and more demanding, such as more powerful engines with the lowest possible fuel consumption.
  • a stronger motorization of the motor vehicle requires that motor vehicle clutches always have to transmit higher torques.
  • the motor vehicle clutches are dimensioned more and more, which is accompanied by a huge increase in the operating force to disengage the motor vehicle clutch.
  • an electro-hydraulic actuating device for a motor vehicle friction clutch comprising a pedal unit with a clutch pedal and a master cylinder, which has a master piston,
  • the master piston is displaceable about a master piston stroke by a mechanical actuation of the clutch pedal, a first sensor element, wherein the first sensor element detects a clutch pedal travel of the clutch pedal or the master piston travel of the master piston, an actuator unit with an electric motor and an intermediate cylinder which has at least one intermediate piston, which is hydraulically connected via a first pressure line to the master piston, wherein the intermediate piston via the master piston and / or the electric motor is displaceable, a second sensor element, wherein the second sensor element detects a rotation angle of the electric motor, a coupling unit with a friction clutch and a slave cylinder comprising a slave piston, which is hydraulically connected via a second pressure line to the intermediate piston, wherein the slave piston is displaceable via the intermediate piston, a control unit, wherein the control unit with the first Sensorelem ent and the second sensor element is signal-connected and having both a first control element as well as a second control element, wherein depending on the operating state of the electro-hydrau
  • the electrohydraulic actuating device comprises according to the invention a pedal unit, an actuator unit, a coupling unit, a control unit, as well as a first sensor element and a second sensor element.
  • the pedal unit comprises a clutch pedal and a master cylinder.
  • the master cylinder has a master piston, which is displaceable by a mechanical actuation of the clutch pedal to a master piston.
  • the first sensor element of the electrohydraulic actuating device detects a clutch pedal travel of the clutch pedal or the master piston travel of the master piston.
  • the first sensor element can thus be designed, for example, as a displacement sensor.
  • a design of the first sensor element as a rotation angle sensor is also conceivable.
  • the actuator unit comprises an electric motor and an intermediate cylinder.
  • the intermediate cylinder according to the invention comprises at least one intermediate piston, which is hydraulically connected via a first pressure line to the master piston of the master cylinder. Furthermore, the intermediate piston according to the invention via the master piston and / or the electric motor displaceable.
  • the second sensor element detects a rotation angle of the electric motor.
  • the second sensor element can thus be designed, for example, as a rotation angle sensor.
  • the coupling unit comprises a friction clutch and a slave cylinder which has a slave piston, which is hydraulically connected to the intermediate piston via a second pressure line.
  • the slave piston is displaceable according to the invention via the intermediate piston.
  • the master cylinder, the intermediate cylinder and the slave cylinder are thus hydraulically connected in series.
  • control unit is signal-connected to the first sensor element and the second sensor element.
  • control unit has both a first control element and a second control element, wherein, depending on the operating state, the electrohydraulic actuation element
  • the first control element via the signal of the second sensor element and the second control element via the signal of the first sensor element and the second sensor element determines a desired value for a travel of the slave piston and the electric motor adjusts this target value.
  • the first operating state describes an operating state of the electrohydraulic actuating device in which the friction clutch is autonomous, ie without mechanical actuation of the clutch pedal by the driver, This operating state is colloquially also referred to as "sailing" and contributes significantly to a fuel-optimized operation of the motor vehicle.
  • the second operating state describes an operating state of the electrohydraulic actuating device in which a mechanical clutch pedal operation of the driver is force-related. In this way, the operating behavior of the clutch pedal can be set according to the desired ride comfort.
  • the electrohydraulic actuator of the present invention allows both the friction clutch to be opened while driving, regardless of a driver disengaging operation on the clutch pedal (first operating state of the electro-hydraulic actuator), as well as assisting the driver during the disengaging operation (second operating state of the electro-hydraulic actuator).
  • the first control element preferably comprises a characteristic curve, wherein the characteristic curve describes the relationship between the actuating path of the slave piston and the friction clutch torque.
  • the second control element comprises a mathematical relationship, namely
  • S intermediate piston the travel of the ZwiSChenkolbenS, SGeberkolben or clutch pedal: the detected by means of the first sensor element encoder piston of the master piston or the detected by means of the first sensor element clutch pedal travel of the clutch pedal
  • k a stored in the control unit Proportionali- tuschsmine.
  • the proportionality factor k can in turn be a function which is dependent on further parameters such as sensor elements or driving conditions.
  • the latter comprises a third sensor element, wherein the third sensor element is signal-connected to the control unit and wherein the third sensor element is arranged in the second pressure line and detects the pressure in the second pressure line.
  • 2016P00133WO Fig. 1 shows a schematic representation of an electro-hydraulic actuator.
  • Fig. 2 shows on the one hand a characteristic "clutch torque against
  • Fig. 3 shows schematically a exemplary embodiment of an intermediate cylinder
  • FIG. 1 schematically shows an electro-hydraulic actuator 1 according to the present invention.
  • the electrohydraulic actuating device 1 is used to actuate a motor vehicle friction clutch and has a pedal unit 2, an actuator unit 7, a coupling unit 13, a control unit 18, and a first sensor element 6, a second sensor element 12 and a third sensor element 19.
  • the electrohydraulic actuating device 1 essentially runs in two operating states, namely a first operating state and a second operating state.
  • the first operating state describes an operating state of the electro-hydraulic actuator 1 in which the friction clutch 14 is autonomous, i. without mechanical actuation of the clutch pedal 3 by the driver, disengaged, so open, is.
  • the second operating state describes an operating state of the electrohydraulic actuating device 1 in which a mechanical actuation of the clutch pedal 3 by the driver is supported in terms of force.
  • the pedal unit 2 of the electro-hydraulic actuator 1 has a clutch pedal 3 and a master cylinder 4.
  • the master cylinder 4 has a master piston 5, which is displaceable by a mechanical actuation of the clutch pedal 3 by a master piston stroke SGeberkoiben.
  • the actuator unit 7 comprises an electric motor 8 and an intermediate cylinder 9.
  • the intermediate cylinder 9 comprises an intermediate piston 10 and a further intermediate piston 20, which are hydraulically connected via a first pressure line 1 1 with the master piston 5 of the master cylinder 4.
  • the intermediate piston 10 and the further intermediate piston 20 are displaceable over the master piston 5 and / or the electric motor 8.
  • the coupling unit 13 comprises a friction clutch 14 and a slave cylinder 15, which has a slave piston 16.
  • the slave piston 16 is hydraulically connected via a second pressure line 17 to the intermediate piston 10 of the intermediate cylinder 9 and displaceable over the intermediate piston 10 of the intermediate cylinder 9.
  • the master cylinder, the intermediate cylinder and the slave cylinder are hydraulically connected in series.
  • the first sensor element 6 of the electrohydraulic actuating device 1 detected is arranged in the region of the pedal unit 2 and detects a clutch pedal path SKuppiungspedai the clutch pedal 3 or the encoder piston SGeberkoiben the master piston 5.
  • the first sensor element 6, a displacement sensor formed.
  • the second sensor element 12 is arranged in the region of the actuator unit 7 and detects a rotation angle of the electric motor 8.
  • the second sensor element 12 is designed as a rotation angle sensor.
  • the control unit 18 is likewise arranged in the region of the actuator unit 7 and is signal-connected to the first sensor element 6 and the second sensor element 12.
  • the control unit 18 has a first control element as well as a second control element.
  • the first control element comprises a characteristic curve and is embodied such that in the first operating state of the electrohydraulic actuating device 1 a setpoint value for a travel path of the slave piston SNe is determined via the signal of the second sensor element 12 and the electric motor 8 adjusts this desired value.
  • the dashed curve in Fig. 2 describes the relationship between the travel of the slave piston S ehmerkoiben (X-axis) and the clutch torque y1, the friction clutch 14 (right Y-axis).
  • the continuous characteristic in Fig. 2 describes the relationship between the travel of the slave piston SNehmerkoiben (X-axis) and the release force y2 (left Y-axis).
  • the release force y2 describes the force acting on the slave piston 16 via the clutch spring 22.
  • the friction clutch 14 is actuated independently of the clutch pedal travel SKuppiungspedai or the encoder piston SGeberkoiben.
  • the control unit 18 is supplied with a requested clutch torque y1 of the friction clutch 14 from a vehicle controller 26.
  • About the stored in the first control element characteristic is determined in dependence on the requested clutch torque y1 of the friction clutch 14, for example, 0 Nm, a target value for the travel of the slave piston SNehmerkoi s.
  • the setpoint is forwarded to a regulator cascade for controlling the electric motor 8, which in turn passes on a current or voltage specification to the electric motor 8.
  • 2016P00133WO slides via a spindle drive the intermediate piston 10 of the intermediate cylinder 9, which in turn oil volume is pushed via the second pressure line 17 into the slave cylinder 15 of the clutch unit 13.
  • the slave piston 16 of the slave cylinder 15 moves in response to the position of the intermediate piston 10 of the intermediate cylinder 9 and adjusts a transmittable clutch torque y1 to the friction clutch 14.
  • the second control element comprises a mathematical relationship and is designed such that in the second operating state of the eiektrohydrauiischen actuator 1 via the signal of the first sensor element 6, a target value for a travel of the slave piston SNenmerkoiben is determined and the electric motor 8 adjusts this setpoint.
  • S intermediate piston the travel of the ZwiSChenkolbenS 10, SGeberkolben or clutch pedal: detected by the first sensor element 6 encoder piston of the master piston 5 or the detected by means of the first sensor element 6 Kupplungspedalweg the clutch pedal 3, and k: a stored in the control unit 18 proportionality factor, wherein the Proportionality factor k does not have to be constant.
  • the actuator unit 7 to be more precise the intermediate piston 10 of the intermediate cylinder 9, moves in dependence on the clutch pedal travel SKuppiungspedai or in dependence on the master piston stroke SG piston to thereby reduce the forces on the clutch pedal 3.
  • the intermediate cylinder 10 has a further intermediate piston 20.
  • the further intermediate piston 20 of the intermediate cylinder 9 is at a stop 21 and is not moved. Due to the mechanical actuation of the clutch pedal 3, the actuator unit 7, more precisely the electric motor 8 via the two intermediate pistons 10, 20 of the intermediate cylinder 9, regulates its position and takes over the guidance As a result of the movement of the electric motor 8, the stop 21 is displaced and the further intermediate piston 20 of the intermediate cylinder 9 is released.
  • the driver now presses with the clutch pedal 3 against the further intermediate piston 20 of the intermediate cylinder 9 and feels a biasing force of a plate spring 23 on the further intermediate piston 20.
  • the characteristic of the plate spring 23 is largely responsible for the driver's feeling on the clutch pedal 3.
  • the stops 21, 21 'of the two intermediate pistons 10, 20 of the intermediate cylinder 9 can be performed resiliently.
  • the third sensor element 19 of the electro-hydraulic actuating device 1 is signal-connected to the control unit 18.
  • the third sensor element 19 is arranged in the second pressure line 17 and detects the pressure in the second pressure line 17.
  • the pressure curve of a coupling process is monitored and compared with the characteristic "disengaging force y2 against the travel of the slave piston SNehmerkoiben” Correctly adapted the characteristic “note clutch torque y1 against the setting path of the slave piston S e" and thus discussed different thermal and wear-related operating conditions.
  • the control unit 18 is connected to the vehicle controller 26. Driving conditions such as driving speed, gear selection, engine speed, rotational speed of the transmission input shaft are transmitted via this connection and act on the control elements 6, 12 or adapt the characteristic curve "clutch torque y1 against the travel path of the slave piston S ehmerkoiben".

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

L'invention concerne un dispositif d'actionnement électrohydraulique (1) conçu pour un embrayage à friction de véhicule automobile, comprenant un ensemble pédale (2), un ensemble actionneur (7), un ensemble embrayage (13), une unité de commande (18) ainsi qu'un premier élément de détection (6) et un deuxième élément de détection (12), l'unité de commande (18) étant reliée par signaux au premier élément de détection (6) et au deuxième élément de détection (12), et comprenant en outre un premier organe de réglage et un deuxième organe de réglage. En fonction de l'état de fonctionnement du dispositif d'actionnement électrohydraulique (1), le premier organe de réglage et le deuxième organe de réglage déterminent une valeur théorique pour une course de réglage du piston récepteur (Spiston récepteur) respectivement par l'intermédiaire du signal du deuxième élément de détection (12) et par l'intermédiaire du signal du premier élément de détection (6) et du deuxième élément de détection (12), et le moteur électrique (8) ajuste cette valeur théorique.
PCT/EP2018/050689 2017-01-18 2018-01-11 Dispositif d'actionnement électrohydraulique conçu pour un embrayage à friction de véhicule automobile WO2018134118A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18701415.4A EP3571423A1 (fr) 2017-01-18 2018-01-11 Dispositif d'actionnement électrohydraulique conçu pour un embrayage à friction de véhicule automobile
CN201880007552.1A CN110573759A (zh) 2017-01-18 2018-01-11 用于机动车摩擦离合器的电液压操纵设备

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017200767.2A DE102017200767A1 (de) 2017-01-18 2017-01-18 Elektrohydraulische Betätigungsvorrichtung für eine Kraftfahrzeug-Reibungskupplung
DE102017200767.2 2017-01-18

Publications (1)

Publication Number Publication Date
WO2018134118A1 true WO2018134118A1 (fr) 2018-07-26

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PCT/EP2018/050689 WO2018134118A1 (fr) 2017-01-18 2018-01-11 Dispositif d'actionnement électrohydraulique conçu pour un embrayage à friction de véhicule automobile

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Country Link
EP (1) EP3571423A1 (fr)
CN (1) CN110573759A (fr)
DE (1) DE102017200767A1 (fr)
WO (1) WO2018134118A1 (fr)

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Publication number Priority date Publication date Assignee Title
US11506250B1 (en) * 2021-07-01 2022-11-22 Toyota Research Institute, Inc. Clutch-by-wire integration including human override

Citations (7)

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Publication number Priority date Publication date Assignee Title
US4918921A (en) 1987-10-22 1990-04-24 Automotive Products Plc Coaxial push rod and hollow screw ball nut drive for master cylinder
US5002166A (en) 1989-09-14 1991-03-26 Automotive Products Plc Dual mode motor vehicle clutch control system
WO2004010017A2 (fr) * 2002-07-18 2004-01-29 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Systeme d'actionnement hydraulique
EP1422433A2 (fr) * 2002-11-20 2004-05-26 LuK Lamellen und Kupplungsbau Beteiligungs KG Système hydraulique
WO2005093277A1 (fr) * 2004-03-24 2005-10-06 Fte Automotive Gmbh & Co. Kg Dispositif de commande hydraulique d'un embrayage a friction d'un vehicule automobile
WO2011044252A2 (fr) * 2009-10-06 2011-04-14 Orscheln Products, L.L.C. Aide à l'embrayage
EP2846059A1 (fr) * 2013-09-04 2015-03-11 Schaeffler Technologies AG & Co. KG Dispositif de commande pour un embrayage à friction et chaîne cinématique d'un véhicule automobile

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Publication number Priority date Publication date Assignee Title
JP5007252B2 (ja) 2008-02-21 2012-08-22 本田技研工業株式会社 クラッチアクチュエータ装置
CN105570348B (zh) 2014-11-10 2019-05-03 舍弗勒技术股份两合公司 液压辅助促动器和包括它的车辆

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918921A (en) 1987-10-22 1990-04-24 Automotive Products Plc Coaxial push rod and hollow screw ball nut drive for master cylinder
US5002166A (en) 1989-09-14 1991-03-26 Automotive Products Plc Dual mode motor vehicle clutch control system
WO2004010017A2 (fr) * 2002-07-18 2004-01-29 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Systeme d'actionnement hydraulique
EP1422433A2 (fr) * 2002-11-20 2004-05-26 LuK Lamellen und Kupplungsbau Beteiligungs KG Système hydraulique
WO2005093277A1 (fr) * 2004-03-24 2005-10-06 Fte Automotive Gmbh & Co. Kg Dispositif de commande hydraulique d'un embrayage a friction d'un vehicule automobile
WO2011044252A2 (fr) * 2009-10-06 2011-04-14 Orscheln Products, L.L.C. Aide à l'embrayage
EP2846059A1 (fr) * 2013-09-04 2015-03-11 Schaeffler Technologies AG & Co. KG Dispositif de commande pour un embrayage à friction et chaîne cinématique d'un véhicule automobile

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DE102017200767A1 (de) 2018-07-19
EP3571423A1 (fr) 2019-11-27

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