WO1990015743A2 - Dispositif d'actionnement du frein de stationnement de vehicules a moteur - Google Patents

Dispositif d'actionnement du frein de stationnement de vehicules a moteur Download PDF

Info

Publication number
WO1990015743A2
WO1990015743A2 PCT/EP1990/000931 EP9000931W WO9015743A2 WO 1990015743 A2 WO1990015743 A2 WO 1990015743A2 EP 9000931 W EP9000931 W EP 9000931W WO 9015743 A2 WO9015743 A2 WO 9015743A2
Authority
WO
WIPO (PCT)
Prior art keywords
parking brake
actuating device
electric motor
worm wheel
motor
Prior art date
Application number
PCT/EP1990/000931
Other languages
German (de)
English (en)
Other versions
WO1990015743A3 (fr
Inventor
Alfons Weissbrich
Nikolaus Wahnschaffe
Horst Nikl
Friedrich Stock
Original Assignee
Volkswagen Aktiengesellschaft
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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Priority to JP2509718A priority Critical patent/JPH06503702A/ja
Publication of WO1990015743A2 publication Critical patent/WO1990015743A2/fr
Publication of WO1990015743A3 publication Critical patent/WO1990015743A3/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/02—Brake-action initiating means for personal initiation
    • B60T7/08—Brake-action initiating means for personal initiation hand actuated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • B60T13/746—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive and mechanical transmission of the braking action

Definitions

  • the invention relates to an actuating device for a motor vehicle parking brake of the type mentioned in the preamble of claim 1.
  • a parking brake of this type is known in principle from DE-OS 20 35 3.
  • This known parking brake is intended for all operating conditions of the vehicle, such as. B. when starting, starting, gear shifting, clutching, stopping briefly and long-term parking can be automatically tightened and released.
  • concrete design and control features are not disclosed in this document.
  • the invention is therefore based on the object of providing an actuating device of the type mentioned in the preamble of patent claim 1, which, in terms of its structural design, its mode of operation and its operational reliability, meets the real needs of practice and, moreover, offers a variety of other possibilities Control and function monitoring of the parking brake opened. This object is achieved by the features of claim 1.
  • FIG. 1 is a detailed view of an actuating device according to the invention with the parking brake released
  • FIG 3 shows the sectional illustration of a worm gear used in this actuating device.
  • the drawing only shows the details of the actuating device necessary for understanding the invention.
  • the actuating device according to the invention is a normally purely electrically operated arrangement with an electric motor 1, the rotational movement of which, with the aid of a gear 3 connected downstream thereof and a force transmission element 2 acting thereon, into a known one of the tensioning elements of the known ones Parking brake actuating transformation movement is reshaped.
  • a known DC motor is usually used as the electric motor, which is fed from an on-board battery and is switched on and off and switched in its running direction by means of an electrical switch and / or an electronic control and regulating device (not shown) for the purpose of applying and releasing the parking brake can be.
  • the gear is designed as a self-locking worm gear 3, the worm 31 of which is driven by the electric motor 1 or the output shaft thereof.
  • the worm wheel 32 driven by the worm 31 engages the last borrowed power transmission link 2 leading to the tensioning elements of the parking brake.
  • the worm wheel 32 is arranged such that its axis 3 and the longitudinal axis of the worm 31 intersect at an angle of 90 ° in the projection; in confined spaces, however, it is also fundamentally possible to provide a different crossing angle if necessary.
  • the mechanical force transmission element 2 engages the worm wheel 32, which can only be rotated by less than 360 °, in such a way that - when the electric motor 1 is switched on for the purpose of applying the parking brake - during a first rotation angle range of the worm wheel 32, in each case based on the angle of rotation, there is initially a comparatively large adjustment range low traction and then comparatively little travel with higher traction.
  • the force transmission member which is formed at least in its end region engaging the worm wheel 32 as a rope or chain-shaped link 21, is applied when the parking brake is applied, when the worm wheel 32 is driven by the electric motor 1 or the worm 31 from its z. 1, the angular position shown in FIG. 1 is rotated out in the direction of the arrow, wound up on the worm wheel 32, and unwound again when the parking brake is released, that is, when the worm wheel is turned back in the opposite direction by the electric motor.
  • the winding mechanism is designed such that a comparatively large and subsequently a comparatively small winding diameter is effective during the aforementioned first twist angle range.
  • the rope or chain-shaped link 21 engages a crank pin or the like 4 which is eccentrically fastened to the worm wheel 32 and which is angularly aligned on the worm wheel 32 in such a way that the rope or chain-shaped link 21 or its fictitious extension during the aforementioned first rotation angle range of the worm wheel runs at a distance a to axis 33 of worm wheel 32 that changes with the rotation of the worm wheel.
  • the axis 33 of the worm wheel has an axial region 34 which extends axially at least into the plane of rotation of the crank pin 4.
  • the rope or chain-shaped link 21 comes to rest on this axle area 34 as soon as the crank pin 4 has passed through the aforementioned first angle of rotation area.
  • FIG Ax is pretty much wrapped up.
  • the comparatively klei ⁇ ne diameter of the shaft portion 34 is effective as a winding diameter, so that on one hand the force transmitting member 2 only during this time - performing small translational adjustment movement and on the other hand at the same time from the power transmission member - - relative to the angle of rotation of the worm wheel gleichblei ⁇ Bendes Motor torque or constant torque of the worm wheel exposed - exerts a comparatively high tensile force on the tensioning elements of the parking brake.
  • This change in gear ratio advantageously means that, on the one hand, there is play in the parking brake itself (release play) and in the transmission path there (for example rope-less) after a comparatively small rotation of the worm wheel 32, ie. H. is eliminated relatively quickly, for which only low tensile forces are required, and on the other hand subsequently sufficiently high tensile forces are applied for the actual actuation of the parking brake.
  • the electric motor 1 is switched off either by manual actuation of an appropriate electrical switch or automatically by an electronic control and regulating device (not shown further); the locking force of the parking brake is fully retained due to the self-locking design of the worm gear 3.
  • the electric motor 1 In order to release the parking brake electrically, the electric motor 1 is switched on again with the opposite direction of travel, as a result of which the worm wheel 32 ultimately returns to the position shown in FIG. 1.
  • the force transmission member 2 is in turn also retracted into its original position by the usual return springs of the brake.
  • a manually operable alternating electric switch provided ⁇ .
  • an electronic control and regulating device can also be provided in order to monitor the correct functioning and / or to control the parking brake as a function of operating parameters of the motor vehicle and / or of the electric motor 1.
  • the electric motor 1 z. B. be switched off automatically by the electronic control and regulating device if its motor current exceeds a predetermined value, or if it no longer rotates for a certain time.
  • suitable known sensors for detecting the motor current on the one hand and the motor shaft speed on the other must be provided, the output values of which are supplied to the electronic control and regulating device. By changing this motor current limit value, it is possible in a simple manner to adapt to the prevailing special operating conditions. So it is z. B.
  • this motor current limit value as a function of the gradient or the gradient of the roadway, namely in such a way that the limit value corresponds to the size of the gradient or the gradient the roadway is increased accordingly.
  • the electric motor is only switched off when the motor current is higher, that is to say only when a correspondingly higher application force is brought into effect on the parking brake.
  • the vehicle load or the driving of a motor vehicle trailer can also be taken into account in a simple manner by changing the motor current limit value.
  • the functionality of the system can also be continuously monitored in a very simple manner with the aid of the electronic control and regulating device. If the electronic control and regulating device is signaled, for example by the current and speed sensors, that on the one hand a high current flows and on the other hand too few motor revolutions are carried out, then the electronic control and regulating device with the aid of the logic components contained in it , e.g. B. microprocessors or the like ⁇ , conclude from this data in a simple manner that the parking brake is obviously blocked, z. B. by rusting or by freezing.
  • the electronic control and regulating device with the aid of the logic components contained in it , e.g. B. microprocessors or the like ⁇ , conclude from this data in a simple manner that the parking brake is obviously blocked, z. B. by rusting or by freezing.
  • the electronic control and regulating device in easily when on the one hand, the motor current does not increase, and diagnose go to ⁇ the other hand, too many speed pulses that the power transmission ⁇ tragungsglied either torn or such. B. by rope elongation has been too long.
  • the electrically operated actuating device of the parking brake according to the invention can also be advantageously coupled to a conventional anti-theft alarm system, eg. B. in such a way that the parking brake is automatically applied after triggering an alarm.
  • this function of the automatic actuation of the parking brake is not intended to be effective generally but only at the request of the vehicle driver, then it is possible in a simple manner to use this function via a button “Auto” which is integrated in the electric changeover button provided for actuating the electric motor 1 " to activate. This function can then be displayed to the vehicle driver by means of a light-emitting diode or the like.
  • the electronic control and regulating device it is of course also possible in a simple manner to release the electrically applied parking brake again automatically.
  • B. when a drive level of the automatic transmission is engaged and the accelerator pedal is pressed while the drive motor is running.
  • the automatic release of the electrically applied parking brake can be done e.g. B. occur when the accelerator pedal is actuated and the clutch is engaged by a corresponding actuation of the clutch pedal when the drive motor is running and the gearbox is in gear.
  • the z. B. may be about 20 km / h
  • an electrical actuation of the parking brake can only be made possible in such a way that the driver deliberately actuates and holds the electric changeover button for actuating the electric motor 1; This means that the electric motor 1 is automatically reversed in the direction of releasing the parking brake as soon as the change button is released.
  • one with the motor shaft or with the Screw 31 of the worm gear is provided with a torque-proof, manually operable crank mechanism.
  • the end of the screw 31 freely accessible and - z. B. be formed by forming a polygon or arrangement egg nes or more flat surfaces so that they with a direct or z. B. via a flexible shaft (tachometer shaft or the like) attached crank drive can be rotated in one or the other direction, so as to manually apply or manually release the parking brake by a corresponding rotation of the worm wheel 32.
  • the electric motor including worm gear can advantageously be installed at any point on the vehicle, in particular also in the vicinity of the parking brake to be operated.
  • the aforementioned first twist angle range extends over 90 °. If the given conditions require a greater translational deflection of the force transmission element 2 in order to compensate for air gaps etc. and any lots present in the transmission path, then it is also possible to indicate the crank pin as shown in dashed lines in FIG. 1 and to arrange it with 4 'in such a way that this first angle of rotation range is approximately 180 °.

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

Un dispositif d'actionnement comprend un moteur électrique (1) susceptible d'être branché, débranché et mis en rotation en sens opposés, qui entraîne la vis sans fin (31) d'un engrenage à vis sans fin (3) à blocage automatique. L'organe de transmission de force (2) qui actionne l'organe de serrage du frein de stationnement s'applique sur la roue tangente (32) de l'engrenage à vis sans fin de telle sorte que l'organe de transmission de force (2) suit premièrement une course de réglage par translation relativement longue par rapport à l'angle de rotation, dans une première zone angulaire de rotation de la roue tangente, exerçant une force minime de traction, puis suit une course de réglage par translation relativement courte, exerçant une force de traction élevée, afin de serrer le frein de stationnement, une fois que le moteur électrique a été branché.
PCT/EP1990/000931 1989-06-20 1990-06-13 Dispositif d'actionnement du frein de stationnement de vehicules a moteur WO1990015743A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2509718A JPH06503702A (ja) 1989-06-20 1990-06-13 自動車の補助ブレーキ用の操作装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3920042 1989-06-20
DEP3920042.6 1989-06-20
DEP3942540.1 1989-12-22
DE3942540 1989-12-22

Publications (2)

Publication Number Publication Date
WO1990015743A2 true WO1990015743A2 (fr) 1990-12-27
WO1990015743A3 WO1990015743A3 (fr) 1992-10-01

Family

ID=25882115

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1990/000931 WO1990015743A2 (fr) 1989-06-20 1990-06-13 Dispositif d'actionnement du frein de stationnement de vehicules a moteur

Country Status (3)

Country Link
EP (1) EP0479841A1 (fr)
JP (1) JPH06503702A (fr)
WO (1) WO1990015743A2 (fr)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4129919A1 (de) * 1991-09-09 1993-03-11 Bayerische Motoren Werke Ag Feststellbremsanlage fuer kraftwagen, insbesondere personenkraftwagen
DE4129934A1 (de) * 1991-09-09 1993-03-18 Bayerische Motoren Werke Ag Feststellbremsanlage fuer personenkraftwagen
DE19643949A1 (de) * 1996-10-31 1998-05-07 Teves Gmbh Alfred Feststellbremseinrichtung für Kraftfahrzeuge
DE19718679A1 (de) * 1997-05-02 1998-11-05 Itt Mfg Enterprises Inc Betätigungsvorrichtung für eine elektrische Fremdkraftfeststellbremsanlage
FR2780370A1 (fr) * 1998-06-25 1999-12-31 Continental Ag Procede d'activation d'une installation de freinage electromecanique
WO2000000374A1 (fr) * 1998-06-18 2000-01-06 Permobil Ab Frein electromecanique
EP0995657A3 (fr) * 1998-10-24 2002-01-02 Meritor Automotive, Inc. Freinage de stationnement aux véhicules
DE20117795U1 (de) * 2001-10-31 2002-03-07 Trw Automotive Electron & Comp Antriebseinheit zur Betätigung einer Parkbremse in einem Fahrzeug
WO2002059496A1 (fr) * 2001-01-25 2002-08-01 Siemens Aktiengesellschaft Frein de stationnement electromoteur, notamment pour un vehicule automobile
GB2376990A (en) * 2001-06-28 2002-12-31 Ford Global Tech Inc Releasing a vehicle electric parking brake when a clutch pedal position approaches the biting point
DE4143667C2 (de) * 1991-09-09 2003-11-27 Bayerische Motoren Werke Ag Feststellbremsanlage für Kraftwagen, insbesondere Personenkraftwagen
WO2004000618A1 (fr) * 2002-06-25 2003-12-31 Pbr Australia Pty Ltd Systeme relatif au fonctionnement d'un frein electrique
US6702405B1 (en) 1998-03-31 2004-03-09 Continental Teves Ag & Co., Ohg Electric parking brake
EP1424256A1 (fr) * 2002-11-27 2004-06-02 Advics Co., Ltd. Frein de stationnement électrique
US6802401B1 (en) 1999-06-01 2004-10-12 Continental Teves Ag & Co., Ohg Device and method for controlling an electrically actuated parking brake
GB2400895A (en) * 2003-03-03 2004-10-27 Tsao-Hui Huang Automatic parking brake device for a vehicle
US6907959B2 (en) * 2001-07-16 2005-06-21 Pbr Australia Pty Ltd Electric brake actuating assembly and actuator
WO2005075270A1 (fr) * 2004-02-09 2005-08-18 Volkswagen Ag Procede et dispositif pour activer un frein de stationnement electrique
WO2006024635A1 (fr) * 2004-09-01 2006-03-09 Continental Teves Ag & Co. Ohg Dispositif et procede pour faire fonctionner un frein de stationnement a actionnement electromecanique
DE102004055430A1 (de) * 2004-11-17 2006-05-24 Küster Automotive Control Systems GmbH Verfahren zum Erkennen von Fehlern im Betrieb einer Feststellbremse und entsprechende Feststellbremse
WO2007068616A1 (fr) * 2005-12-15 2007-06-21 Siemens Aktiengesellschaft Procede de determination d'une zone de surcharge d'un frein electrique
EP1849667A1 (fr) * 2006-04-25 2007-10-31 Ford Global Technologies, LLC Système de frein de stationnement électrique
DE102004064058B4 (de) * 2004-11-17 2011-07-21 Küster Automotive Control Systems GmbH, 35630 Verfahren zum Erkennen von Fehlern im Betrieb einer Feststellbremse für Fahrzeuge und entsprechende Feststellbremse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539038A (en) * 1968-05-17 1970-11-10 Leroy Taber Automatic electric parking brake
DE2035349A1 (de) * 1970-07-13 1972-01-20 Franzmann R Standbremse fur Kraftfahrzeuge
DE2815018A1 (de) * 1978-04-07 1979-10-18 Bosch Gmbh Robert Servoeinrichtung
DE3210402A1 (de) * 1982-03-22 1983-09-22 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen Bremsanlage, insbesondere fuer kraftfahrzeuge
DE3238196A1 (de) * 1982-10-15 1984-04-19 Rau Swf Autozubehoer Schaltanordnung zur ansteuerung des stellgliedes fuer eine bremsanlage bei kraftfahrzeugen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3539038A (en) * 1968-05-17 1970-11-10 Leroy Taber Automatic electric parking brake
DE2035349A1 (de) * 1970-07-13 1972-01-20 Franzmann R Standbremse fur Kraftfahrzeuge
DE2815018A1 (de) * 1978-04-07 1979-10-18 Bosch Gmbh Robert Servoeinrichtung
DE3210402A1 (de) * 1982-03-22 1983-09-22 SWF-Spezialfabrik für Autozubehör Gustav Rau GmbH, 7120 Bietigheim-Bissingen Bremsanlage, insbesondere fuer kraftfahrzeuge
DE3238196A1 (de) * 1982-10-15 1984-04-19 Rau Swf Autozubehoer Schaltanordnung zur ansteuerung des stellgliedes fuer eine bremsanlage bei kraftfahrzeugen

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4143667C2 (de) * 1991-09-09 2003-11-27 Bayerische Motoren Werke Ag Feststellbremsanlage für Kraftwagen, insbesondere Personenkraftwagen
DE4129919A1 (de) * 1991-09-09 1993-03-11 Bayerische Motoren Werke Ag Feststellbremsanlage fuer kraftwagen, insbesondere personenkraftwagen
DE4129919C2 (de) * 1991-09-09 2002-05-29 Bayerische Motoren Werke Ag Feststellbremsanlage für Kraftwagen, insbesondere Personenkraftwagen
DE4129934A1 (de) * 1991-09-09 1993-03-18 Bayerische Motoren Werke Ag Feststellbremsanlage fuer personenkraftwagen
DE19643949A1 (de) * 1996-10-31 1998-05-07 Teves Gmbh Alfred Feststellbremseinrichtung für Kraftfahrzeuge
DE19718679A1 (de) * 1997-05-02 1998-11-05 Itt Mfg Enterprises Inc Betätigungsvorrichtung für eine elektrische Fremdkraftfeststellbremsanlage
US6702405B1 (en) 1998-03-31 2004-03-09 Continental Teves Ag & Co., Ohg Electric parking brake
WO2000000374A1 (fr) * 1998-06-18 2000-01-06 Permobil Ab Frein electromecanique
FR2780370A1 (fr) * 1998-06-25 1999-12-31 Continental Ag Procede d'activation d'une installation de freinage electromecanique
US6203116B1 (en) 1998-06-25 2001-03-20 Continental Aktiengesellschaft Method for operating an electromechanical brake system
EP0995657A3 (fr) * 1998-10-24 2002-01-02 Meritor Automotive, Inc. Freinage de stationnement aux véhicules
US6802401B1 (en) 1999-06-01 2004-10-12 Continental Teves Ag & Co., Ohg Device and method for controlling an electrically actuated parking brake
WO2002059496A1 (fr) * 2001-01-25 2002-08-01 Siemens Aktiengesellschaft Frein de stationnement electromoteur, notamment pour un vehicule automobile
US6851525B2 (en) 2001-01-25 2005-02-08 Siemens Aktiengesellschaft Electric-motor driven parking brake, particularly for a motor vehicle
GB2376990A (en) * 2001-06-28 2002-12-31 Ford Global Tech Inc Releasing a vehicle electric parking brake when a clutch pedal position approaches the biting point
GB2376990B (en) * 2001-06-28 2004-10-20 Ford Global Tech Inc Electric parking brake
US6907959B2 (en) * 2001-07-16 2005-06-21 Pbr Australia Pty Ltd Electric brake actuating assembly and actuator
DE20117795U1 (de) * 2001-10-31 2002-03-07 Trw Automotive Electron & Comp Antriebseinheit zur Betätigung einer Parkbremse in einem Fahrzeug
US6837357B2 (en) 2001-10-31 2005-01-04 Trw Automotive Electronics & Components Gmbh & Co. Kg Drive unit for actuating a parking brake in a vehicle
WO2004000618A1 (fr) * 2002-06-25 2003-12-31 Pbr Australia Pty Ltd Systeme relatif au fonctionnement d'un frein electrique
EP1424256A1 (fr) * 2002-11-27 2004-06-02 Advics Co., Ltd. Frein de stationnement électrique
US7140697B2 (en) 2002-11-27 2006-11-28 Advics Co., Ltd. Electric parking brake apparatus
GB2400895A (en) * 2003-03-03 2004-10-27 Tsao-Hui Huang Automatic parking brake device for a vehicle
CN100441454C (zh) * 2004-02-09 2008-12-10 大众汽车有限公司 用于起动电动停车制动器的方法和装置
WO2005075270A1 (fr) * 2004-02-09 2005-08-18 Volkswagen Ag Procede et dispositif pour activer un frein de stationnement electrique
US7815546B2 (en) 2004-02-09 2010-10-19 Volkswagen Ag Method and device for activating an electric parking brake
WO2006024635A1 (fr) * 2004-09-01 2006-03-09 Continental Teves Ag & Co. Ohg Dispositif et procede pour faire fonctionner un frein de stationnement a actionnement electromecanique
DE102004055430A1 (de) * 2004-11-17 2006-05-24 Küster Automotive Control Systems GmbH Verfahren zum Erkennen von Fehlern im Betrieb einer Feststellbremse und entsprechende Feststellbremse
DE102004055430B4 (de) * 2004-11-17 2007-05-10 Küster Automotive Control Systems GmbH Verfahren zum Erkennen von Fehlern im Betrieb einer Feststellbremse und entsprechende Feststellbremse
DE102004064058B4 (de) * 2004-11-17 2011-07-21 Küster Automotive Control Systems GmbH, 35630 Verfahren zum Erkennen von Fehlern im Betrieb einer Feststellbremse für Fahrzeuge und entsprechende Feststellbremse
WO2007068616A1 (fr) * 2005-12-15 2007-06-21 Siemens Aktiengesellschaft Procede de determination d'une zone de surcharge d'un frein electrique
EP1849667A1 (fr) * 2006-04-25 2007-10-31 Ford Global Technologies, LLC Système de frein de stationnement électrique
US7699751B2 (en) 2006-04-25 2010-04-20 Land Rover Electric park brake system

Also Published As

Publication number Publication date
JPH06503702A (ja) 1994-04-21
EP0479841A1 (fr) 1992-04-15
WO1990015743A3 (fr) 1992-10-01

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