CN102774371A - Failure protection enhanced electric power assisting braking device - Google Patents
Failure protection enhanced electric power assisting braking device Download PDFInfo
- Publication number
- CN102774371A CN102774371A CN2012100778485A CN201210077848A CN102774371A CN 102774371 A CN102774371 A CN 102774371A CN 2012100778485 A CN2012100778485 A CN 2012100778485A CN 201210077848 A CN201210077848 A CN 201210077848A CN 102774371 A CN102774371 A CN 102774371A
- Authority
- CN
- China
- Prior art keywords
- oil pressure
- piston
- master cylinder
- switches
- electric boosted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- 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
- 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
- B60T13/66—Electrical control in fluid-pressure brake systems
- B60T13/68—Electrical control in fluid-pressure brake systems by electrically-controlled valves
- B60T13/686—Electrical control in fluid-pressure brake systems by electrically-controlled valves in hydraulic systems or parts thereof
-
- 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
- B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
- B60T8/363—Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic 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
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
- B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
- B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
- B60T8/4072—Systems in which a driver input signal is used as a control signal for the additional fluid circuit which is normally used for braking
- B60T8/4081—Systems with stroke simulating devices for driver input
Abstract
The invention discloses an electric power assisting braking device, characterized in that, in order to generate oil pressure to brake a wheel, a first piston and a second piston in a first total pump are in series connections, under the driving of a motor, the first piston exercises to generate a pressure, and then, the second piston exercises to generate a pressure, so that the wheel is braked. When the motor can not drive, a sub-total pump connected with a pedal is under the acting force of the pedal, the internal sub-total pump exercises to generate oil pressure to thereby apply to the second piston, so that the wheel is braked.
Description
Technical field
The present invention relates to Vehicular brake device, relate in particular to the brake equipment of electric boosted formula mode.
Background technology
Fig. 1 is conventional electric-powered power-assisted mode brake device structure figure.
Known electronic energy assisted braking system system is by being used to form motor and master cylinder and the ESC (Electronic Stability Control) that the front and back wheel braking is pressed; Be used to form pump and the pedal simulator of driver pedal power (foot power); Open and close oil circuit with two electromagnetic valves (valve 1, valve 2); And pedal stroke sensor is formed with the ECU (Electronic Control Unit) that is used to control motor.Valve 1 is NC (Normal Close) formula, and valve 2 is NO (Normal Open) formulas.In the face of the operation of the moving energy assisted braking system system of known electric, describe respectively down from conventional brake (Normal Braking), failure mode (Fail Mode), regenerative brake (Regenerative Braking) aspect.
1) conventional brake (Normal Braking)
The chaufeur pedal, then valve 1 is opened, and valve 2 cuts out.The treadle effort that chaufeur is experienced is to produce antagonistic force through the rubber of pedal simulator and length of spring compressed to form.Motor makes the simultaneous transmission of pressure of piston-advance in pump 2 and pump 3, and the piston of driving pump 2 and the pump 3 and braking that forms brake cylinder is pressed.
2) failure mode (Fail Mode)
Electronics or the oil pressure line valve 1 that lost efficacy then cuts out, and valve 2 is opened, and the transmission of pressure of the pump 1 that becomes through the driver pedal Lik-Sang is in pump 2 and pump 3, and the piston of driving pump 2 and the pump 3 and braking that forms brake cylinder is pressed.The line here lost efficacy and was meant, because of reasons such as oil pressure pipe damage cause leakage of oil not produce pressure.
3) regenerative brake (Regenerative Braking)
As conventional brake, valve 1 is opened, and valve 2 cuts out, and the treadle effort of chaufeur is under the antagonistic force that pedal simulator produces, to produce.Before motor makes piston/and laggard, with control all the other oil brake power except that regenerative brake power.
In said electric boosted formula brake system, when first line (1.) lost efficacy, no matter be to produce braking through motor to press, or the electronics failure mode, pressure does not all take place and can't brake in second line (2.) and three-way (3.).In other words, even if motor operation, but all are oily all through the mistake of first line loss, even through pedal primer pump one, oil still loses through first line loss.
Summary of the invention
Technical matters
The object of the invention is that no matter provide a kind of is that electronics lost efficacy, or the oil pressure line lost efficacy, and all can realize the electronics booster type brake equipment of safety arrestment.
Technical scheme
For solving said problem, the electric boosted formula technical scheme that brake equipment adopts of one embodiment of the invention comprises: sub-master cylinder, and internal piston moves and produces oil pressure under the application force of pedal; Master cylinder, inside have the first piston and second piston to be connected in series, and are brake wheel; Said first piston moves and produces oil pressure, and with said first piston motion, said second piston motion produces oil pressure; The oil pressure that perhaps transmits through the first oil pressure line, said second piston motion and produce oil pressure; The oil pressure switching member, the oil pressure of said sub-master cylinder flowed switches to pedal simulator, perhaps switches to and the said oil pressure line of said master cylinder bonded assembly.
In addition, electric boosted formula brake equipment comprises again: with the driving of motor, to the transmission component of said first piston transferring power.
And the oil pressure switching member is when said motor driven is no abnormal, and said oil pressure is flowed switches to pedal simulator, if said motor can't drive, then said oil pressure being flowed switches to the said first oil pressure line.
Beneficial effect
The present invention relates to electric boosted formula brake equipment is, no matter is that electronics lost efficacy, and still the oil pressure line lost efficacy, and all can form the braking pressure and has raising fail safe (Fail-Safe) effect.And the present invention relates to electric boosted formula brake equipment and do not adopt the motor starting piston and produce oil pressure; Oil pressure restarts the parallel-connection structure of both sides pump thus; But employing cascaded structure; The motor front end piston that does not need known parallel way to have had not only reduced quantity but also the lightweight of accessory and had effectively saved cost.
Description of drawings
Fig. 1 is conventional electric booster type brake device structure figure;
Fig. 2 is the electric boosted formula brake device structure figure of one embodiment of the invention;
Fig. 3 is that diagram is the conventional operation reference view of electric boosted formula brake equipment among Fig. 2;
Fig. 4 is the operation reference view when graphic electric boosted formula brake equipment line lost efficacy among Fig. 2;
Fig. 5 is the operation reference view when graphic electric boosted formula brake equipment electronics lost efficacy among Fig. 2.
Description of reference numerals
100: fuel tank 200: master cylinder
210: 220: the second pistons of first piston
300: sub-master cylinder 310: sub-piston
400: brake pedal 500: motor
600: transmission component (ball screw) 700: oil pressure switching member
720: the second valves of 710: the first valves
800: pedal simulator.
The specific embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention is clearer, will combine the accompanying drawing in the preferred embodiment of the present invention below, to the technical scheme in the embodiment of the invention carry out clear, intactly describe.Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 2 is the constructional drawing of the electric boosted formula brake equipment of one embodiment of the invention.
As shown in the figure, electric boosted formula brake equipment comprises master cylinder 200, sub-master cylinder 300, motor 500, transmission component 600, oil pressure switching member 700.Fuel tank 100 is used for oil in reserve, to master cylinder 200 and sub-master cylinder 300 fuel feeding.Master cylinder 200 inside comprise the first piston 210 and second piston 220 that is connected in series, be connected in the second oil pressure line 2. with the 3rd oil pressure line.Sub-master cylinder 300 is connected with brake pedal 400, with the application force of brake pedal 400, and sub-piston 310 power of in-to-in.Motor 500 is the structure compositions by first piston 210 motions of master cylinder 200 with transmission component 600.Among one embodiment, transmission component 600 is ball screw (ball screw).After this ball screw switches to straight-line motion with rotatablely moving of motor 500, transmit this motoricity to first piston 210.It constitutes oil pressure switching member 700 purposes and is, the oil pressure of sub-master cylinder 300 is flowed switches to pedal simulator 800, perhaps switch to connect master cylinder 200 the first oil pressure line 1..On one embodiment of the invention, oil pressure switching member 700 comprises first valve 710 and second valve 720.Through first valve 710, switch to pedal simulator 800 from the oil pressure of sub-master cylinder 300 is mobile, through second valve 720, switch to the first oil pressure line 1. from the stream baric flow of sub-master cylinder 300 is moving.First valve 710 is NC (Normal Close) formula, and second valve is 720NO (Normal Open) formula.In the first embodiment of the invention, first valve 710 and second valve 720 are electromagnetic valves.
Fig. 3 is the general operation reference view of graphic electric boosted formula brake equipment among Fig. 2.
Chaufeur pedal brake pedal 400 is delivered to ECU through each sensor that is positioned at brake pedal 400 sides or the signal that produces like stroke sensor.ECU carries the signal of control shutoff valve thereupon to the oil pressure switching member of opening 700.First valve 710 cuts out thereupon, and former second valve 720 of cutting out opens.And brake pedal 400 treadle efforts that chaufeur is experienced are, produce antagonistic force with the rubber of pedal simulator 800 and length of spring compressed and form.On the other hand, pedal simulator 800 generates the information data of pressing to the wheel brake activation and is transported to ECU with the oil pressure that transmits through second valve 720.The driving of the motor 500 of ECU control is subsequently pressed braking and is put on wheel.Motor 500 is that the control with ECU drives, and rotatablely moving of motor 500 switches to straight-line motion through ball screw 600, and this motoricity is transmitted to the first piston 210 of master cylinder 200.First piston 210 action thereupon, the oil pressure that produces with the action of first piston 210 and the antagonistic force of spring make 220 actions of second piston.On the other hand; The oil pressure that produces with first piston 210 is to form braking through FL, RR brake cylinder or FR, RL brake cylinder that 2. the second oil pressure line is transmitted to wheel to press, and FR, RL brake cylinder or FL, RR brake cylinder that 3. the oil pressure that produces through second piston 220 then is transmitted to wheel through the 3rd oil pressure line form braking and press.
Fig. 4 is the running reference view of the line of graphic electric boosted formula brake equipment among Fig. 2 when losing efficacy.
Show that 3. the action example when unusual takes place the 3rd oil pressure, its manner of execution is same with the explanation of carrying out with reference to figure 3.But, in this structure, under first oil pressure line failure effect 1.; 2. the second oil pressure line does not form pressure yet; But drive with motor 500, connect the first piston running of ball screw 600 and mechanically promote second piston and make the 3rd oil pressure line 3. effectively form pressure, form braking thereupon.
Fig. 5 is the running reference view when graphic electric boosted formula brake equipment electronics lost efficacy among Fig. 2.
Show the running example when motor can't drive, different with Fig. 3 and Fig. 4, even chaufeur is stepped on the state that brake pedal 400, the first valves 710 still keep shut, second valve 720 also is held open state.Because second valve 720 is opened, so the oil pressure that produces from sub-master cylinder 300 is transmitted to the first piston 210 of master cylinder 200 and the space between second piston 220.Through this oil pressure, 2. form pressure at the second oil pressure line, and the motion of second piston 220 gets up and form the 3rd oil pressure line 3., and then implement braking.
Above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (5)
1. the electric boosted formula brake equipment of fail safe function enhancingization is characterized in that,
Comprise: sub-master cylinder: internal piston produces oil pressure through the application force of pedal;
Master cylinder: inside has the first piston and second piston to be connected in parallel; Be brake wheel, said first piston motion produces oil pressure, through said first piston motion; Said second piston motion and produce oil pressure, perhaps the oil pressure through the first oil pressure line transmission makes second piston motion produce oil pressure;
The oil pressure switching member, said oil pressure switching member will perhaps switch to the said first oil pressure line that connects said master cylinder from the mobile pedal simulator that switches to of the oil pressure of said sub-master cylinder.
2. the electric boosted formula brake equipment of fail safe function enhancingization according to claim 1 is characterized in that, also comprises: transmission component, and with the driving of motor, to said first piston transferring power.
3. the electric boosted formula brake equipment of fail safe function enhancingization according to claim 2 is characterized in that said transmission component is a ball screw.
4. the electric boosted formula brake equipment of fail safe function enhancingization according to claim 2; It is characterized in that; Said oil pressure switching member is when said drive movement is no abnormal; With the mobile pedal simulator that switches to of said oil pressure, when said motor can't drive, with the mobile first oil pressure line that switches to of said oil pressure.
5. according to the electric boosted formula brake equipment of right 4 described fail safe function enhancingizations, it is characterized in that said oil pressure switching member comprises:
First valve, said oil pressure flowed switches to said pedal simulator;
Second valve is with the mobile first oil pressure line that switches to of said oil pressure.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0036928 | 2011-04-20 | ||
| KR1020110036928A KR101838709B1 (en) | 2011-04-20 | 2011-04-20 | Vehicle brake apparatus with fail-safe function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102774371A true CN102774371A (en) | 2012-11-14 |
| CN102774371B CN102774371B (en) | 2016-07-06 |
Family
ID=47119541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210077848.5A Active CN102774371B (en) | 2011-04-20 | 2012-03-22 | The electric boosted formula brake unit of fail safe enhancingization |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101838709B1 (en) |
| CN (1) | CN102774371B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104276157A (en) * | 2013-07-12 | 2015-01-14 | 现代摩比斯株式会社 | Motor initialization method and apparatus for electric booster brake system |
| CN104249728B (en) * | 2013-06-28 | 2017-04-12 | 现代摩比斯株式会社 | electric hydraulic brake device |
| CN108016420A (en) * | 2017-12-20 | 2018-05-11 | 芜湖伯特利电子控制系统有限公司 | The master cylinder arrangement of electric line control braking system |
| CN113085997A (en) * | 2021-04-26 | 2021-07-09 | 精诚工科汽车系统有限公司 | Electric booster of vehicle and vehicle |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101978124B1 (en) * | 2013-04-19 | 2019-08-28 | 현대모비스 주식회사 | Method of detecting solenoid valve failure of vehicle electric brake booster and Apparatus for detecting failure implementing the same |
| CN104442783B (en) * | 2013-09-20 | 2017-07-11 | 吉林大学 | Motor driven liquid with failure backup presses the active brake draught control system in chamber |
| CN109094546B (en) * | 2018-09-17 | 2022-07-12 | 奇瑞汽车股份有限公司 | Automobile brake system and control method thereof |
| KR20200056223A (en) * | 2018-11-14 | 2020-05-22 | 현대자동차주식회사 | Electric brake booster |
| CN110576842A (en) * | 2019-09-02 | 2019-12-17 | 上海联芊电子科技有限公司 | brake booster unit, braking system and vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020140283A1 (en) * | 2001-03-08 | 2002-10-03 | Akihito Kusano | Hydraulic brake apparatus for a vehicle |
| US20040239177A1 (en) * | 2003-03-26 | 2004-12-02 | Akihito Kusano | Vehicle hydraulic brake device |
| US6957871B2 (en) * | 2002-12-02 | 2005-10-25 | Advics Co., Ltd. | Vehicle brake device |
| CN101746364A (en) * | 2008-12-11 | 2010-06-23 | 现代摩比斯株式会社 | Regenerative braking actuator apparatus |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5024611B2 (en) * | 2007-06-05 | 2012-09-12 | 日立オートモティブシステムズ株式会社 | Electric booster and manufacturing method thereof |
-
2011
- 2011-04-20 KR KR1020110036928A patent/KR101838709B1/en active IP Right Grant
-
2012
- 2012-03-22 CN CN201210077848.5A patent/CN102774371B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020140283A1 (en) * | 2001-03-08 | 2002-10-03 | Akihito Kusano | Hydraulic brake apparatus for a vehicle |
| US6957871B2 (en) * | 2002-12-02 | 2005-10-25 | Advics Co., Ltd. | Vehicle brake device |
| US20040239177A1 (en) * | 2003-03-26 | 2004-12-02 | Akihito Kusano | Vehicle hydraulic brake device |
| CN101746364A (en) * | 2008-12-11 | 2010-06-23 | 现代摩比斯株式会社 | Regenerative braking actuator apparatus |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249728B (en) * | 2013-06-28 | 2017-04-12 | 现代摩比斯株式会社 | electric hydraulic brake device |
| CN104276157A (en) * | 2013-07-12 | 2015-01-14 | 现代摩比斯株式会社 | Motor initialization method and apparatus for electric booster brake system |
| CN104276157B (en) * | 2013-07-12 | 2017-06-06 | 现代摩比斯株式会社 | The motor initial method and device of electric booster braking system |
| US9783178B2 (en) | 2013-07-12 | 2017-10-10 | Hyundai Mobis Co., Ltd. | Motor initialization method and apparatus for electric booster brake system |
| CN108016420A (en) * | 2017-12-20 | 2018-05-11 | 芜湖伯特利电子控制系统有限公司 | The master cylinder arrangement of electric line control braking system |
| CN113085997A (en) * | 2021-04-26 | 2021-07-09 | 精诚工科汽车系统有限公司 | Electric booster of vehicle and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120119150A (en) | 2012-10-30 |
| KR101838709B1 (en) | 2018-04-26 |
| CN102774371B (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102774371A (en) | Failure protection enhanced electric power assisting braking device | |
| CN107031597B (en) | Integrated electronic hydraulic braking system and method | |
| CN103754210B (en) | A kind of motor-driven EHB | |
| CN104787020A (en) | Electronic hydraulic braking system with novel decoupling mode | |
| CN103318158A (en) | Integrated electronic hydraulic brake system of automobile | |
| CN204196887U (en) | Full decoupling EHB and corresponding vehicle | |
| CN204567648U (en) | A kind of decoupling type EHB | |
| CN104309599A (en) | Electro-hydraulic brake system | |
| WO2009068404A3 (en) | Brake actuation unit | |
| CN102267450B (en) | Electro-hydraulic control type braking power assisting device | |
| CN103950445A (en) | Hydraulic double-motor driving electronic hydraulic braking system | |
| CN102390251B (en) | Hybrid vehicle two-kinetic-source engaging and disengaging system | |
| CN103950444A (en) | Electronic hydraulic brake system capable of reducing liquid outlets of main cylinder | |
| CN102294997A (en) | Sensation simulator of automobile brake pedal | |
| CN105667485A (en) | Power-assisted brake system for automobiles | |
| CN103507800B (en) | EHB and vehicle electric brake fluid system | |
| CN103158686A (en) | Pedal simulator of electro-mechanical brake in vehicle | |
| CN102596665B (en) | Fluid-pressure brake system | |
| CN112896124A (en) | Power assisting system and braking method | |
| CN204567642U (en) | A kind of differential cooperative type dual power source EHB | |
| CN102785643A (en) | Intelligent power-assisted brake device having fault dealing function and parking brake function | |
| CN205417597U (en) | Integrated automatically controlled hydraulic braking system of vehicle | |
| CN112654538A (en) | Braking system, braking method and automobile | |
| CN203305998U (en) | Integrated electronic hydraulic brake system for automobile | |
| CN203362883U (en) | Automobile electronic clutch actuating mechanism controlled by computer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |