KR102441936B1 - 전자식 유압 브레이크 장치 - Google Patents
전자식 유압 브레이크 장치 Download PDFInfo
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- KR102441936B1 KR102441936B1 KR1020200147299A KR20200147299A KR102441936B1 KR 102441936 B1 KR102441936 B1 KR 102441936B1 KR 1020200147299 A KR1020200147299 A KR 1020200147299A KR 20200147299 A KR20200147299 A KR 20200147299A KR 102441936 B1 KR102441936 B1 KR 102441936B1
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- 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
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/172—Determining control parameters used in the regulation, e.g. by calculations involving measured or detected parameters
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- 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
- B60T13/12—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 liquid
- B60T13/14—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 liquid using accumulators or reservoirs fed by pumps
- B60T13/141—Systems with distributor valve
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- 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
- B60T13/12—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 liquid
- B60T13/14—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 liquid using accumulators or reservoirs fed by pumps
- B60T13/142—Systems with master cylinder
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- 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
- B60T13/12—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 liquid
- B60T13/16—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 liquid using pumps directly, i.e. without interposition of accumulators or reservoirs
- B60T13/161—Systems with master cylinder
- B60T13/165—Master cylinder integrated or hydraulically coupled with booster
- B60T13/166—Part of the system directly actuated by booster pressure
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- 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
- B60T13/662—Electrical control in fluid-pressure brake systems characterised by specified functions of the control system components
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- 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
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- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
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- 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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
- B60T17/221—Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
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- 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
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- 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
- B60T7/042—Brake-action initiating means for personal initiation foot actuated by electrical means, e.g. using travel or force sensors
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- 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
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- 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
- B60T8/48—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 connecting the brake actuator to an alternative or additional source of fluid pressure, e.g. traction control systems
- B60T8/4809—Traction control, stability control, using both the wheel brakes and other automatic braking systems
- B60T8/4827—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems
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- 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
- B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
- B60T2220/04—Pedal travel sensor, stroke sensor; Sensing brake request
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Regulating Braking Force (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
Description
도 2는 본 개시의 일 실시예에 따른 전자식 유압 브레이크가 저압감압모드일 때 브레이크 액의 흐름 및 솔레노이드 밸브의 개폐 상황을 나타내는 블록도이다.
도 3은 본 개시의 다른 실시예에 따른 전자식 유압 브레이크의 저압감압모드일 때 브레이크 액의 흐름 및 솔레노이드 밸브의 개폐 상황을 나타내는 블록도이다.
도 4는 본 개시의 일 실시예에 따른 전자식 유압 브레이크의 고압감압모드일 때 브레이크 액의 흐름 및 솔레노이드 밸브의 개폐 상황을 나타내는 블록도이다.
도 5는 본 개시의 다른 실시예에 따른 전자식 유압 브레이크의 고압감압모드일 때 브레이크 액의 흐름 및 솔레노이드 밸브의 개폐 상황을 나타내는 블록도이다.
도 6은 본 개시의 일 실시예에 따른 전자식 유압 브레이크의 제2 브레이크에 유로에 고장이 발생한 경우 브레이크 액의 흐름 및 솔레노이드 밸브의 개폐 상황을 나타내는 블록도이다.
도 7은 본 개시의 다른 실시예에 따른 전자식 유압 브레이크의 제2 브레이크에 유로에 고장이 발생한 경우 브레이크 액의 흐름 및 솔레노이드 밸브의 개폐 상황을 나타내는 블록도이다.
140: 제어부 150: 액추에이터
161, 163: 브레이크 유로 162, 164, 166 및 168: 회수 유로
165b, 165a: 메인 유로 171, 172, 173, 174, 175 및 176: 백업 유로
181, 182, 183, 184: 인렛 밸브 185, 186, 187, 188: 아웃렛 밸브
191, 192: 트랙션 컨트롤 밸브 193: 혼합 밸브
194, 195, 196 및 197: 백업 밸브 w1, w2, w3 및 w4: 복수의 휠 브레이크
Claims (10)
- 브레이크 액(brake fluid)이 저장되는 리저버(reservoir);
브레이크 페달의 답입력에 연동하여 내부의 상기 브레이크 액의 압력을 변화시키도록 구성된 백업 마스터 실린더(backup master cylinder);
모터제어신호(motor control signal)에 기초하여 회전하는 모터;
상기 모터의 회전에 연동하여 전진 또는 후진하며 내부의 상기 브레이크 액의 압력을 변화시키는 메인 피스톤(main piston)을 포함하는 메인 마스터 실린더(main master cylinder);
각각의 휠에 제동력을 형성하도록 구성된 복수의 휠 브레이크(wheel brake);
상기 답입력에 기초하여 상기 휠 브레이크가 제동력을 형성하도록 상기 모터제어신호 및 밸브제어신호(valve control signal)를 생성하는 제어부(ECU: Main Control Unit); 및
상기 밸브제어신호에 기초하여, 내부에 흐르는 브레이크 액의 유동경로를 변경가능하도록 구성되며 상기 백업 마스터 실린더와 상기 메인 마스터 실린더 사이의 백업 유로를 개폐하는 백업 밸브를 포함하는 유압회로밸브 장치(hydraulic circuit valve device)를 포함하되,
상기 제어부는,
상기 유압회로밸브 장치 내부의 브레이크 액압을 감압할 때, 상기 메인 피스톤을 진퇴운동시켜 상기 브레이크 액이 상기 메인 마스터 실린더에 회수되도록 상기 모터 및 상기 유압회로밸브 장치를 제어하는 것을 특징으로 하는 전자식 유압 브레이크 장치. - 제1 항에 있어서,
상기 메인 마스터 실린더는,
상기 메인 피스톤이 전진할수록 내부의 공간이 좁아지는 제1 메인 챔버 및 내부의 공간이 넓어지는 제2 메인 챔버를 포함하고,
상기 백업 마스터 실린더는,
상기 제1 메인 챔버에게 상기 브레이크 액을 공급하는 제1 백업 챔버 및 상기 제2 메인 챔버에게 상기 브레이크 액을 공급하는 제2 백업 챔버를 포함하고,
상기 유압회로밸브 장치는,
상기 메인 마스터 실린더에서 형성된 유압을 브레이크 유로에 전달하는 메인 유로를 포함하되,
상기 메인 유로 중 하나를 개폐 가능하게 구성된 제1 트랙션 컨트롤 밸브 및 상기 메인 유로 중 다른 하나를 개폐 가능하게 구성된 제2 트랙션 컨트롤 밸브를 포함하는 전자식 유압 브레이크 장치. - 제 2항에 있어서,
상기 메인 유로는,
상기 제1 트랙션 컨트롤 밸브가 설치된 제2 메인 유로 및 상기 제2 트랙션 컨트롤 밸브가 설치된 제1 메인 유로를 포함하고,
상기 제어부는,
상기 브레이크 액이 상기 제1 메인 유로 및 상기 제2 메인 유로 중 하나 이상의 유로를 지나 상기 제1 메인 챔버 및 상기 제2 메인 챔버 중 하나 이상의 챔버로 회수되도록 상기 모터 및 상기 유압회로밸브장치를 제어하여 상기 액압을 감압하는 것을 특징으로 하는 전자식 유압 브레이크 장치. - 제 3항에 있어서,
상기 백업 밸브는,
상기 제2 메인 유로에 연결된 솔레노이드 밸브이고, 노말 오픈 타입인 것을 특징으로 하는 전자식 유압 브레이크 장치. - 제 2항에 있어서,
상기 제1 트랙션 컨트롤 밸브는 노멀 오픈 타입의 밸브이고 상기 제2 트랙션 컨트롤 밸브는 노멀 오픈 타입의 밸브인 전자식 유압 브레이크 장치. - 제 2항에 있어서,
상기 유압회로밸브 장치는,
상기 복수의 휠 브레이크에 공급되는 브레이크 액이 상기 리저버로 회수되는 회수 유로를 개폐하는 복수의 아웃렛 밸브를 포함하고,
상기 브레이크 유로는,
상기 유압회로밸브 장치 내부의 유압을 상기 복수의 휠 브레이크에 분배하고,
상기 제1 트랙션 컨트롤 밸브와 연결되는 제1 브레이크 유로 및 상기 제2 트랙션 컨트롤 밸브와 연결되는 제2 브레이크 유로를 포함하되,
상기 제어부는,
상기 제2 브레이크 유로에 고장이 발생한 경우 상기 제2 브레이크 유로와 연결된 아웃렛 밸브를 개방하여 상기 브레이크 액을 상기 리저버로 회수시키는 것을 특징으로 하는 전자식 유압 브레이크 장치. - 제 6항에 있어서,
상기 유압회로밸브 장치는,
상기 제1 브레이크 유로와 상기 제2 브레이크 유로를 연결하며, 상기 밸브제어신호에 기초하여 상기 제1 브레이크 유로 내부의 브레이크 액이 상기 제2 브레이크 유로에게 전달될 수 있도록 개방되는 혼합 밸브를 포함하고,
상기 제어부는,
상기 제2 브레이크 유로에 고장이 발생한 경우 상기 아웃렛 밸브를 개방하여 상기 브레이크 액을 상기 리저버로 회수시키는 것을 특징으로 하는 전자식 유압 브레이크 장치. - 제 7항에 있어서,
상기 혼합 밸브는,
노말 클로즈 타입인 것을 특징으로 하는 전자식 유압 브레이크 장치. - 제 7항에 있어서,
상기 아웃렛 밸브는,
노말 클로즈 타입인 것을 특징으로 하는 전자식 유압 브레이크 장치.
- 제3항에 있어서,
상기 제어부는,
상기 백업 밸브를 개폐하여, 상기 제2 메인 유로를 지나 상기 제2 메인 챔버로 회수되는 상기 브레이크 액의 일부를 상기 리저버로 회수시키는 것을 특징으로 하는 전자식 유압 브레이크 장치.
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US17/136,707 US20220144236A1 (en) | 2020-11-06 | 2020-12-29 | Apparatus for electric hydraulic brake |
DE102020135095.3A DE102020135095B4 (de) | 2020-11-06 | 2020-12-30 | Vorrichtung für elektrische hydraulikbremse |
CN202110114121.9A CN114435324B (zh) | 2020-11-06 | 2021-01-27 | 用于电动液压制动的装置 |
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KR102484451B1 (ko) * | 2021-01-22 | 2023-01-02 | 현대모비스 주식회사 | 전자식 유압 브레이크 장치 및 제어방법 |
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-
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- 2020-11-06 KR KR1020200147299A patent/KR102441936B1/ko active Active
- 2020-12-29 US US17/136,707 patent/US20220144236A1/en not_active Abandoned
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