KR900015994A - 브레이크 액튜에이터 - Google Patents

브레이크 액튜에이터 Download PDF

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Publication number
KR900015994A
KR900015994A KR1019900005554A KR900005554A KR900015994A KR 900015994 A KR900015994 A KR 900015994A KR 1019900005554 A KR1019900005554 A KR 1019900005554A KR 900005554 A KR900005554 A KR 900005554A KR 900015994 A KR900015994 A KR 900015994A
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South Korea
Prior art keywords
brake
piston
actuator
fluid
pressure
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KR1019900005554A
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English (en)
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KR0133170B1 (ko
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알랜 앤더슨 로버트
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원본미기재
루카스 인더스트리스 퍼블릭 리미티드 컴퍼니
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Publication of KR900015994A publication Critical patent/KR900015994A/ko
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Publication of KR0133170B1 publication Critical patent/KR0133170B1/ko

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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
    • 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
    • B60T8/44—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 co-operating with a power-assist booster means associated with a master cylinder for controlling the release and reapplication of brake pressure through an interaction with the power assist device, i.e. open systems
    • B60T8/441—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 co-operating with a power-assist booster means associated with a master cylinder for controlling the release and reapplication of brake pressure through an interaction with the power assist device, i.e. open systems using hydraulic boosters
    • 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
    • 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
    • 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
    • B60T8/343—Systems characterised by their lay-out
    • B60T8/344—Hydraulic systems
    • B60T8/346—2 Channel 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
    • B60T8/42—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 having expanding chambers for controlling pressure, i.e. closed systems
    • B60T8/4208—Debooster systems
    • B60T8/4266—Debooster systems having an electro-mechanically actuated expansion unit, e.g. solenoid, electric motor, piezo stack
    • 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
    • B60T8/489—Traction control, stability control, using both the wheel brakes and other automatic braking systems in hydraulic brake systems using separate traction control modulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F16D2125/10—Plural pistons interacting by fluid pressure, e.g. hydraulic force amplifiers using different sized pistons

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Regulating Braking Force (AREA)
  • Braking Systems And Boosters (AREA)
  • Braking Arrangements (AREA)

Abstract

내용 없음.

Description

브레이크 액튜에이터
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 하나의 브레이크 액튜에이터의 종단면도,
제2도는 본 발명의 선택적 액튜에이터에 대한 제1도와 유사한 단면도,
제3도는 본 발명의 또다른 선택적 액튜에이터에 대한 제1도 및 제2도와 유사한 단면도.

Claims (13)

  1. 활주가능하며 기어프로필(gear grofile)이 제공되있는 피스톤 및 전기모터로 구동가능한 입력부재가 내장되 있으며 상기 피스톤 기어 프로필과 계합된 보완적 기어 구조를 지니는 실린더 몸체를 포함하는 브레이크액튜에이터(brak actuator)로서, 상기 모터가 피스톤을 실린더를 따라 구동시키는 브레이크 액튜에이터.
  2. 제1항에 있어서, 상기 기어 프로필이 피스톤의 길이로 뻗어있는 래크(rack) 구조인 브레이크 액튜에이터.
  3. 제1항 내지 제2항에 있어서, 구동입력부재는 로타리 피니언 요소(rotary pinion element)인 브레이크 액튜에이터.
  4. 선행항중 어느 한 항에 있어서, 실린더가 피스톤 전방에서는 가압된 유체용 배출 포트(out portt)를 제공하며 피스톤 후방에서는 마스터 실린더 연결용 유체 유입 포트(inlet port)를 제공하는 브레이크 액튜에이터.
  5. 제1항 내지 제3항중 어느 한 항에 있어서, 실린더가 피스톤 전방에서는 밸브 수단으로 제어되는 유체 유입구 및 가압된 유체용 배출포트를 제공하며 피스톤 후방에서는 대기로 구멍난 공간을 제공하는 브레이크 액튜에이터.
  6. 선행항중 어느 한 항에 있어서, 래크 구조가 피스톤상에 각을 이루며 간격진 위치로 제공되었고 각기의 퍼니언 요소와 개합되며, 상기 하나의 피니언은 모터나 아이들 기어 수단(idler gear means)으로 구동되는 브레이크 액튜에이터.
  7. 제4항에 있어서, 흡입 포트가 피스톤의 길이 통로를 경유해 피스톤 전방의 압력 챔버와 연통해 있으며, 밸브수단이 배치되있어 주로 상기 통로를 폐쇄시키지만 피스톤이 후퇴된 위치에 있을때는 유입구로부터 상기 통로를 통해 유체를 유동시키도록 개방시키는 브레이크 액튜에이터.
  8. 제4항에 있어서, 피스톤 전방의 압력 챔버에는 실린더 몸체내에 길이로 성형된 통로를 경유하여 유체 유입 포트와 연통해있는 보충 포트가 제공되있는 브레이크 액튜에이터.
  9. 제4, 6 또는 7항중 어느 한 항에 있어서, 실린더 몸체에는 상기 유체 유입구 및 배출구와 각기 연통하는 다른 직경의 보어(bore)부에 제각기 대응하는 다른 직경부를 지니는 밸런스 피스톤(balance piston)을 포함하는 계단식 토어가 부가적으로 합체되있으며. 상기 피스톤 부분들은 피스톤 왕복의 맞은편 양극단에서 피스톤에 의해 작동되도록 배치된 스위치와 제각기 결합되며, 피스톤이 상기 양극단중 한극단을 향해 밀려나가게 되므로써, 상기 스위치 작동에 의해 밸런스 피스톤이 유입 압력 및 배출구 압력을 감지하여 배출구 압력 변화용 모터를 작동시키는 신호를 제공하는 브레이크 액튜에이터.
  10. 선행항중 어느 한 항에 따르는 브레이크 액튜에이터와 합체되있는 브레이크 시스템으로서, 액튜에이터의 유체 유입구에 연결된 주 유체 압력원, 액튜에이터의 유체 배출구에 연결된 브레이크, 액톤에이터의 유입구 압력 및 배출구 압력을 표시하는 전기신호 산출용 수단, 상기 신호들을 수납하도록 배치되있으며 액튜에이터 모터가 미리선정된 변수들에 따라 액튜에이터 출력 압력을 변화시키는 액튜에이터 모터에 적용된 반응 출력 신호들을 산출하도록 배치되있는 전자 제어기를 포함하는 브레이크 시스템(braking system).
  11. 제11항에 있어서, 다수의 브레이크들이 각기의 쌍으로 제공되있어 한쌍의 브레이크 액튜에이터로 제어되며, 각기의 쌍의 하나의 브레이크는 한쌍의 구동 휘일과 제각기 연관되있으며 각기의 쌍의 다른 브레이크들이 한쌍의 비구동 휘일에 제각기 연관되있으며, 전자 신호 산출 수단이 상기 구동 휘일에서 초기 스핀(spin)조건을 감지 하며 구동 휘일상의 브레이크의 적용으로 상기 조건을 수정하도록 대응 액튜에이터 모터를 구동시키는 제어기에 표시 신호를 제공하며, 전자 커트 오프 밸브 (cut off valve) 가 비구동 휘일에 연관되있으며 상기 조건의 연속중 비구동 휘일들의 브레이크를 분리하도록 제어기에 의해 작동가능한 브레이크 시스템.
  12. 제1항 내지 9항중 어느 한 항에 따른 브레이크 액튜에이터와 합체된 브레이크 시스템으로서, 브레이크 요구를 나타내는 출력신호를 제공하는 운전자 작동수단, 액튜에이터의유체 배출구에 연결된 브레이크, 상기 신호들을 수납하여 액튜에이터에 적용된 대응 출력 신호를 제공하도록 배치되 있어 브레이크에 대응작동 압력을 공급하는 전자 제어기를 포함하는 브레이크 시스템.
  13. 제10항 내지 12항에 있어서, 전자 신호산출 수단들이 제공되있어 각기 브레이크가 걸린 휘일에서 초기 미끄럼 조건을 감지하며 상기 조건을 수정하여 브레이크 압력을 변화시키도록 액뮤에이터 모터 잘 구동시키는 제어기에 표시 신호를 공급하는 브레이크 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900005554A 1989-04-22 1990-04-20 브레이크 액튜에이터 KR0133170B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB898909214A GB8909214D0 (en) 1989-04-22 1989-04-22 Brake actuator
GB8909214.2 1989-04-22

Publications (2)

Publication Number Publication Date
KR900015994A true KR900015994A (ko) 1990-11-12
KR0133170B1 KR0133170B1 (ko) 1998-04-21

Family

ID=10655557

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900005554A KR0133170B1 (ko) 1989-04-22 1990-04-20 브레이크 액튜에이터

Country Status (8)

Country Link
EP (1) EP0395262A3 (ko)
JP (1) JPH03121324A (ko)
KR (1) KR0133170B1 (ko)
AU (1) AU5372190A (ko)
BR (1) BR9001857A (ko)
CS (1) CS198290A2 (ko)
GB (1) GB8909214D0 (ko)
ZA (1) ZA902961B (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4103783A1 (de) * 1991-02-08 1992-08-13 Daimler Benz Ag Antiblockiersystem
DE4335676A1 (de) * 1993-10-19 1995-04-20 Teves Gmbh Alfred Bremsanlage für Kraftfahrzeuge
GB9425457D0 (en) * 1994-12-16 1995-02-15 Lucas Ind Plc Improvements in hydraulic braking systems for vehicles
DE4445347A1 (de) * 1994-12-20 1996-06-27 Bosch Gmbh Robert Bremsdruckgeber für eine hydraulische Bremsanlage für Kraftfahrzeuge
DE19529664A1 (de) * 1995-08-11 1997-02-13 Siemens Ag Bremsanlage für ein Kraftfahrzeug
DE102007019441A1 (de) * 2007-04-25 2008-10-30 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Hilfskraftbremssystem für ein Kraftfahrzeug
DE102009001142A1 (de) * 2009-02-25 2010-08-26 Robert Bosch Gmbh Elektromechanischer Bremskraftverstärker
FR2963769A1 (fr) 2010-08-16 2012-02-17 Bosch Gmbh Robert Servomoteur electrique d'assistance de freinage compact
DE102017219920A1 (de) 2017-11-09 2019-05-09 Robert Bosch Gmbh elektrohydraulischer Bremsaktor
CN109591789A (zh) * 2018-11-06 2019-04-09 北京理工大学 一种无人车辆线控制动系统

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3518715A1 (de) * 1985-05-24 1986-11-27 Daimler-Benz Ag, 7000 Stuttgart Feststell-bremseinrichtung
US4653815A (en) * 1985-10-21 1987-03-31 General Motors Corporation Actuating mechanism in a vehicle wheel brake and anti-lock brake control system
DE3707068A1 (de) * 1987-03-05 1988-09-15 Bosch Gmbh Robert Vorrichtung zum synchronisieren der drehzahl von antriebsraedern eines fahrzeugs beim anfahren

Also Published As

Publication number Publication date
GB8909214D0 (en) 1989-06-07
ZA902961B (en) 1991-02-27
JPH03121324A (ja) 1991-05-23
EP0395262A3 (en) 1991-07-17
EP0395262A2 (en) 1990-10-31
CS198290A2 (en) 1991-09-15
BR9001857A (pt) 1991-06-18
AU5372190A (en) 1990-10-25
KR0133170B1 (ko) 1998-04-21

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