WO2012076304A2 - Elektromechanischer bremskraftverstärker mit einstellbarer nicht-linearer unterstützungskraft - Google Patents
Elektromechanischer bremskraftverstärker mit einstellbarer nicht-linearer unterstützungskraft Download PDFInfo
- Publication number
- WO2012076304A2 WO2012076304A2 PCT/EP2011/070231 EP2011070231W WO2012076304A2 WO 2012076304 A2 WO2012076304 A2 WO 2012076304A2 EP 2011070231 W EP2011070231 W EP 2011070231W WO 2012076304 A2 WO2012076304 A2 WO 2012076304A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brake booster
- lever arm
- adjusting means
- booster piston
- electromechanical brake
- Prior art date
Links
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
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
-
- 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
- B60T13/10—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 fluid assistance, drive, or release
- B60T13/24—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 fluid assistance, drive, or release the fluid being gaseous
- B60T13/46—Vacuum systems
-
- 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
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
- B60T11/18—Connection thereof to initiating means
-
- 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
-
- 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
- B60T13/745—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 acting on a hydraulic system, e.g. a master cylinder
-
- 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
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
Definitions
- the present invention relates to electromechanical brake booster, in particular brake booster with an electromotive adjustable nonlinear support force.
- a brake booster helps to relieve the driver when braking by the brake booster on actuation of the brake pedal exerts an assisting force on the master cylinder, which then acts in addition to the brake pedal force on this.
- the operating force on the brake pedal of a vehicle, which is required to achieve the desired braking effect is reduced.
- the assisting force of the brake booster is generated by means of a pressure difference (atmospheric pressure to negative pressure on the engine).
- an electromechanical brake booster in which an electric motor drives a mechanical transmission with variable transmission, which provides the support force for the master cylinder.
- the disadvantage here is that in the mechanical transmission at least one combination of a rack and a gear for variable
- the support force for the brake cylinder is adjustable with respect to the position of the brake pedal.
- an electromechanical brake booster with adjustable non-linear assisting force comprising - a brake booster piston
- the brake booster according to claim 1 can comprise:
- threaded rod is coupled to the adjustment means for traversing the adjustment means along a longitudinal axis of the threaded rod by driving the threaded rod.
- the coupling mechanism may comprise at least a first lever arm and a second lever arm.
- the use of a mechanical transmission with a combination of rack and gear for the realization of the variable ratio can be omitted, since a simple lever arm principle is used here. This results in the present electromechanical brake booster and a reduction of the game in the system over systems with gears, which increases the control accuracy and comfort for the driver.
- the linkage transmits in operation in response to the position of the adjusting means on the threaded rod a non-linear assisting force on the brake booster piston, which is amplified in proportion to the selected lengths of the lever arms of the linkage.
- coupling gears are gearboxes which convert rotational movements into straight-line or oscillating movements or vice versa, and these are also irregular-ratio transmissions. Due to the lever arm effect is the
- the lever arms of the linkage can each be arranged symmetrically on opposite sides of the adjusting means and the brake booster piston.
- the coupling gear whose joints and levers, i. arranged on each side of the adjusting means and the brake booster piston the forces on each side of the brake booster piston and the adjusting compensate each other and thus no torque is exerted on these components.
- first lever arm of the linkage can be pivotally coupled to the adjusting means.
- this articulated coupling has only one degree of freedom, in particular a rotational degree of freedom. This connection ensures a simple direct and tension-free coupling of the linkage with the adjusting means.
- the adjusting means may be a one-piece component.
- the adjusting means may be formed in its simplest design, for example in the manner of a nut or a sleeve with an internal thread fitting the thread of the threaded rod, and having a means for an articulated coupling to the first lever arm of the linkage.
- the adjusting means may also be a one-piece component.
- the threaded rod can be arranged above the brake booster piston.
- the threaded rod may be disposed below the brake booster piston. The installation position of the threaded rod and the adjusting means with respect.
- the brake booster piston can be selected according to the wishes of the vehicle manufacturer.
- the axis of rotation of the threaded rod and the axis of symmetry of the brake booster piston are located on a common vertical plane.
- the adjustment means may move away therefrom for an increasing assist force on the brake booster piston. In this case, as the reference point for the position of the adjusting means whose starting position is selected in the non-actuated brake pedal in which the adjusting means is located closest to the electric motor.
- the coupling mechanism may comprise a third lever arm, and the second lever arm is pivotally coupled to a third lever arm and the third
- Lever arm is hinged to the vehicle.
- a longitudinal end of the second lever arm is pivotally coupled to the third lever arm.
- the third lever arm ensures a tension-free transmission of the power of the linkage to the brake booster piston during operation, as soon as the adjusting means on the threaded screw moves back and forth.
- the electromechanical brake booster of the second lever arm can be coupled by means of a pivot axis to the brake booster piston and the length of the second lever arm from the axis of rotation in the direction of the first lever arm is longer than the length of the second lever arm from the axis of rotation in the direction of the third lever arm ,
- the dimensioning of the lengths of the lever arms of the linkage, the characteristic of the non-linear support force and the maximum possible support force can be adjusted.
- the coupling mechanism may comprise a Ausreteshebelarm
- the second lever arm may be coupled via the Ausreteshebelarm with the brake booster piston and a longitudinal end of the second lever arm may be pivotally coupled to the vehicle.
- This arrangement represents an alternative to the voltage-free connection of the brake booster piston to the coupling gear, in which a vertical compensation of the movement of the brake booster piston during operation is possible.
- a longitudinal end of the Ausreteshebelarms is pivotally coupled to the brake booster piston, while the further longitudinal end is pivotally coupled to the second lever arm at a predetermined location along the longitudinal direction of the second lever arm.
- the adjusting means can completely surround the threaded rod in the common contact region.
- the adjusting means may be designed in the manner of a nut or a sleeve with an internal thread matching the thread of the threaded rod.
- the ratio of the length of the second lever arm to the length of the first lever arm can be at least 2.5.
- the ratio of the lengths of the two lever arms determines not only the maximum possible supporting force but also the course of the supporting force during the different positions of the adjusting means during operation, with a non-linear course being sought as particularly advantageous.
- the ratio may be less than 2.5 and greater than 1, 5, which is sufficient in particular for vehicles with low engine power, since in this case, correspondingly lower support forces of the brake booster are required for braking.
- the brake pedal can be coupled via a further coupling gear with the brake booster piston.
- the brake booster piston can be rigidly coupled to a lever arm of the further linkage.
- this lever arm may be coaxial with the axis of symmetry of the brake booster piston.
- the brake booster piston may also be pivotally coupled to a lever arm of the further linkage.
- Fig. 1 is a schematic view of the present electromechanical
- Fig. 2 is a schematic view of another present electromechanical brake booster with a modified connection of the linkage to the brake booster piston and the vehicle
- Fig. 3 shows a desired non-linear relationship between the path of the brake pedal s and the assist force F of a brake booster.
- Fig. 1 shows a schematic view of the present electromechanical brake booster.
- like reference numerals designate the same components.
- the present brake booster includes a brake booster piston 10 which applies to a master cylinder 100 an assisting force for braking the vehicle 200 (not shown).
- the assisting force of the brake booster piston 10 is generated by an electric motor 20 with an adjusting means 50, and then transmitted to the brake booster piston 10 via a coupling gear 40, which cooperates with the adjusting means 50 and depending on its position, a variable transmission ratio of the linkage 40.
- the coupling mechanism 40 operates according to a simple lever arm principle in which the tensile force of the adjusting means 50 on the coupling gear 40 is amplified in proportion to the length of the lever arms of the linkage 40.
- the electric motor 20 is arranged above the brake booster piston 10, wherein the axis of symmetry of the brake booster piston 10 and the axis of symmetry of the electric motor 20 lie in a common vertical plane.
- Output shaft of the electric motor 20 is formed by a threaded rod 30, which extends from the electric motor 20 substantially parallel to the axis of symmetry of the brake booster piston 10.
- On the threaded rod 30 is an adjusting means 50 which is formed in the form of a sleeve with a matching internal thread to the thread of the threaded rod 30.
- the adjusting means 50 may, for. B. so that over its entire length, the outer peripheral surface of the threaded rod 30 and the common contact area between the two components completely surrounded.
- the adjusting means 50 is arranged on the threaded rod 30 so that it moves along a threaded rod upon rotation of the threaded rod 30.
- the coupling gear 40 comprises a first lever arm 41, a second lever arm 42 and a third lever arm 43, each articulated about axes of rotation are coupled to each other, in each case only a rotational degree of freedom in the connection of two lever arms is allowed.
- the lever arms 41, 42, 43 of the linkage 40 are arranged substantially in a vertical plane and their movement also runs on this plane.
- the first lever arm 41 of the linkage 40 is pivotally coupled to the adjustment means 50.
- the second lever arm 42 is pivotally coupled via an axis of rotation 60 with the brake booster piston 10, wherein the axis of rotation 60 is disposed in the region of the outer peripheral surface of the brake booster piston 10 in a horizontal plane through its axis of symmetry.
- the third lever arm 43 which is arranged below the brake booster piston 10, is articulated with its further longitudinal end at a bearing point on the vehicle 200, z. B. the body coupled.
- All of the lever arms and axes of rotation of the linkage 40 are respectively disposed on each side of the brake booster piston 10 and the adjusting means 50, so that compensate the introduced forces on each side of the brake booster piston 10 and thus exert no moment on this or on the adjusting means 50. If no reinforcement is needed, then the adjustment means 50 is in its
- Starting position A which is on the longitudinal axis of the threaded rod 30 closest to the electric motor 20.
- the electric motor 20 is activated, whereby the adjusting means 50 moves from its starting position A away from the electric motor 20 in the direction of a further position B, the adjusting means 50 merely translating along the longitudinal axis the threaded rod 30 executes.
- a force is introduced into this via the coupling with the coupling gear 40, which then fortified differently depending on the position of the lever arms 41, 42, 43 of the linkage 40 and is in turn transmitted to this from the brake booster piston 10.
- the maximum possible assisting force of the electro-mechanical brake booster applies the coupling gear 40 to the brake booster piston 10 when the adjusting means 50 is at the end position C where the adjusting means 50 is furthest from the electric motor 20.
- the adjusting means 50 thus results in an axial translational movement along the longitudinal axis of the threaded rod 50 within the two possible limit values. tion positions A and C, wherein in each case the transmission ratio of the linkage 40 changes variably.
- a brake pedal 80 is coupled via a further coupling gear 70 with the brake booster piston 10, wherein a lever arm of the further linkage
- the coupling mechanism 40 comprises a first lever arm 41, a second lever arm 42 and a Ausreteshebelarm 44.
- the first lever arm 41 is pivotally coupled to the adjusting means 50, while the other longitudinal end of the first lever arm 41 is pivotally coupled to the second lever arm 42.
- the further longitudinal end of the second lever arm 42 is pivotally coupled to the vehicle 200 at a bearing point via a rotation axis 47, wherein the bearing point is located below the brake booster piston 10.
- the Austicianshebelarm 44 is pivotally coupled via an axis of rotation 45 with the outer peripheral surface of the brake booster piston 10, wherein the rotation axis 45 is disposed on a horizontal plane through the axis of symmetry of the brake booster piston 10 in the region of an end portion of the brake booster piston 10.
- the further longitudinal end of the Austicianshebelarms 44 is pivotally coupled via a further axis of rotation 46 with the second lever arm 42, wherein the further axis of rotation 46, the entire length of the second lever arm 42 symmetrically divides, and substantially in a vertical position as the
- Rotary axis 45 is located.
- the length of the Austicianshebelarms 44 corresponds approximately to the length of the first lever arm 41.
- the adjusting means 50 moves from the starting position A in the direction of one of the positions B or C, so the Ausreteshebelarm 44 ensures that the coupling gear 40, the supporting force without tension in the brake booster piston 10 is initiated, which performs a slight movement in the vertical direction during operation.
- the coupling gear 40 is also arranged symmetrically on both sides of the brake booster piston 10 and the adjusting means 50, so that the lever arms 41, 42, 44 are respectively disposed on both sides of the brake booster piston 10.
- Fig. 3 shows a desired non-linear relationship between the path of the brake pedal s and the assist force F of a brake booster.
- the assisting force of the brake booster F and the path of the brake pedal s are non-linear to each other, which is advantageous for the operation of the brake booster.
- a small assisting force of the brake booster should be exerted on the master cylinder, while a vigorous actuation of the brake pedal a very large support force of the brake booster for the fastest possible deceleration of the vehicle is needed.
- this can be realized by the above-described arrangement of the lever arms and axes of rotation of the linkage of the present electromechanical brake booster in a similar manner.
- Fig. 3 applies qualitatively also to the total force acting on the master cylinder, which is composed of the brake pedal force and the assisting force of the brake booster.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180059111.4A CN103228505B (zh) | 2010-12-10 | 2011-11-16 | 具有可调节的非线性的支持力的电动机械的制动力放大器 |
KR1020137014682A KR20130125776A (ko) | 2010-12-10 | 2011-11-16 | 조절 가능한 비선형 보조력을 갖는 전기 기계식 브레이크 부스터 |
BR112013014222A BR112013014222A2 (pt) | 2010-12-10 | 2011-11-16 | intensificador de força de frenagem eletromecânico com força de assistência não linear ajustável |
US13/993,073 US20130333377A1 (en) | 2010-12-10 | 2011-11-16 | Electromechanical brake booster with adjustable non-linear assistance force |
JP2013542443A JP5710020B2 (ja) | 2010-12-10 | 2011-11-16 | 設定調整可能な非線形の支援補助力を備えた電気機械式制動力倍力装置 |
EP11782441.7A EP2648946A2 (de) | 2010-12-10 | 2011-11-16 | Elektromechanischer bremskraftverstärker mit einstellbarer nicht-linearer unterstützungskraft |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010062785A DE102010062785A1 (de) | 2010-12-10 | 2010-12-10 | Elektromechanischer Bremskraftverstärker mit einstellbarer nicht-linearer Unterstützungskraft |
DE102010062785.2 | 2010-12-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012076304A2 true WO2012076304A2 (de) | 2012-06-14 |
WO2012076304A3 WO2012076304A3 (de) | 2012-09-07 |
Family
ID=44971035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/070231 WO2012076304A2 (de) | 2010-12-10 | 2011-11-16 | Elektromechanischer bremskraftverstärker mit einstellbarer nicht-linearer unterstützungskraft |
Country Status (8)
Country | Link |
---|---|
US (1) | US20130333377A1 (de) |
EP (1) | EP2648946A2 (de) |
JP (1) | JP5710020B2 (de) |
KR (1) | KR20130125776A (de) |
CN (1) | CN103228505B (de) |
BR (1) | BR112013014222A2 (de) |
DE (1) | DE102010062785A1 (de) |
WO (1) | WO2012076304A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011081001A1 (de) * | 2011-08-16 | 2013-02-21 | Bayerische Motoren Werke Aktiengesellschaft | Elektromechanischer Bremskraftverstärker |
DE102016219869A1 (de) | 2016-10-12 | 2018-04-12 | Continental Teves Ag & Co. Ohg | Elektromechanischer Bremskraftverstärker, Bremssystem und Verfahren zum Betreiben eines Bremssystems |
JP6652101B2 (ja) * | 2017-04-05 | 2020-02-19 | 株式会社アドヴィックス | 車両の制動制御装置 |
TW201912446A (zh) * | 2017-09-05 | 2019-04-01 | 宏碁股份有限公司 | 剎車裝置及應用此剎車裝置的自動駕駛車輛 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008128811A1 (de) | 2007-04-19 | 2008-10-30 | Robert Bosch Gmbh | Elektromechanischer bremskraftverstärker |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2251267A (en) * | 1939-04-04 | 1941-08-05 | Bromsregulator Svenska Ab | Variable leverage brake |
GB2000838B (en) * | 1977-07-07 | 1982-02-17 | Ferodo Sa | Assisted braking device |
FR2409892A1 (fr) * | 1977-11-28 | 1979-06-22 | Ferodo Sa | Dispositif de freinage assiste |
DE2814419C2 (de) * | 1978-04-04 | 1986-04-10 | Alfred Teves Gmbh, 6000 Frankfurt | Mechanisch angesteuertes Bremsgerät für ein Kraftfahrzeug |
FR2448463A1 (fr) * | 1979-02-06 | 1980-09-05 | Ferodo Sa | Dispositif de freinage assiste |
US4395883A (en) * | 1980-12-22 | 1983-08-02 | General Motors Corporation | Electric brake booster |
DE4437658C1 (de) * | 1994-10-21 | 1996-04-25 | Porsche Ag | Bremsdruckstange |
JP2002321611A (ja) * | 2001-04-26 | 2002-11-05 | Bosch Braking Systems Co Ltd | 電動式ブレーキ倍力装置 |
DE102004024404B3 (de) * | 2004-05-17 | 2005-07-14 | Lucas Automotive Gmbh | Elektromechanischer Bremsdruckerzeuger für eine Kraftfahrzeugbremsanlage und Kraftfahrzeugbremsanlage |
US7367187B2 (en) * | 2005-06-30 | 2008-05-06 | Hitachi, Ltd. | Electrically actuated brake booster |
US7395667B2 (en) * | 2006-04-28 | 2008-07-08 | Arnold Jeffrey T | Electrically driven power brake booster |
DE102006027039B4 (de) * | 2006-06-08 | 2023-01-19 | Volkswagen Ag | Elektromechanischer Bremskraftverstärker |
DE102008001522A1 (de) * | 2008-04-30 | 2009-11-05 | Robert Bosch Gmbh | Elektromechanischer Bremskraftverstärker |
DE102008054852A1 (de) * | 2008-12-18 | 2010-07-01 | Robert Bosch Gmbh | Elektromechanischer Bremskraftverstärker |
EP2385912B1 (de) * | 2008-12-18 | 2015-06-24 | Robert Bosch GmbH | Bremskraftverstärker |
DE102009010152A1 (de) * | 2009-02-23 | 2010-08-26 | Lucas Automotive Gmbh | Kleindimensionierte Betätigungsvorrichtung für eine Fahrzeugbremsanlage und entsprechende Fahrzeugbremsanlage |
DE102009001142A1 (de) * | 2009-02-25 | 2010-08-26 | Robert Bosch Gmbh | Elektromechanischer Bremskraftverstärker |
-
2010
- 2010-12-10 DE DE102010062785A patent/DE102010062785A1/de not_active Withdrawn
-
2011
- 2011-11-16 EP EP11782441.7A patent/EP2648946A2/de not_active Withdrawn
- 2011-11-16 BR BR112013014222A patent/BR112013014222A2/pt not_active IP Right Cessation
- 2011-11-16 KR KR1020137014682A patent/KR20130125776A/ko not_active Application Discontinuation
- 2011-11-16 CN CN201180059111.4A patent/CN103228505B/zh not_active Expired - Fee Related
- 2011-11-16 US US13/993,073 patent/US20130333377A1/en not_active Abandoned
- 2011-11-16 WO PCT/EP2011/070231 patent/WO2012076304A2/de active Application Filing
- 2011-11-16 JP JP2013542443A patent/JP5710020B2/ja not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008128811A1 (de) | 2007-04-19 | 2008-10-30 | Robert Bosch Gmbh | Elektromechanischer bremskraftverstärker |
Also Published As
Publication number | Publication date |
---|---|
JP5710020B2 (ja) | 2015-04-30 |
WO2012076304A3 (de) | 2012-09-07 |
CN103228505B (zh) | 2016-09-07 |
KR20130125776A (ko) | 2013-11-19 |
BR112013014222A2 (pt) | 2016-09-13 |
DE102010062785A1 (de) | 2012-06-14 |
EP2648946A2 (de) | 2013-10-16 |
JP2013544709A (ja) | 2013-12-19 |
US20130333377A1 (en) | 2013-12-19 |
CN103228505A (zh) | 2013-07-31 |
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