JPH0543542B2 - - Google Patents

Info

Publication number
JPH0543542B2
JPH0543542B2 JP63267574A JP26757488A JPH0543542B2 JP H0543542 B2 JPH0543542 B2 JP H0543542B2 JP 63267574 A JP63267574 A JP 63267574A JP 26757488 A JP26757488 A JP 26757488A JP H0543542 B2 JPH0543542 B2 JP H0543542B2
Authority
JP
Japan
Prior art keywords
chamber
valve body
constant pressure
face
power piston
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.)
Expired - Fee Related
Application number
JP63267574A
Other languages
English (en)
Japanese (ja)
Other versions
JPH02114056A (ja
Inventor
Haruo Suzuki
Hirochika Goto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jidosha Kiki Co Ltd
Original Assignee
Jidosha Kiki Co Ltd
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 Jidosha Kiki Co Ltd filed Critical Jidosha Kiki Co Ltd
Priority to JP63267574A priority Critical patent/JPH02114056A/ja
Priority to US07/413,877 priority patent/US4976188A/en
Priority to GB8921915A priority patent/GB2225071B/en
Priority to AU42428/89A priority patent/AU606001B2/en
Priority to KR1019890015037A priority patent/KR920005372B1/ko
Publication of JPH02114056A publication Critical patent/JPH02114056A/ja
Publication of JPH0543542B2 publication Critical patent/JPH0543542B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • 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
    • B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
    • B60T13/563—Vacuum systems indirect, i.e. vacuum booster units with multiple booster units, e.g. tandem booster units
    • 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
    • B60T13/52—Vacuum systems indirect, i.e. vacuum booster units
    • B60T13/56—Vacuum systems indirect, i.e. vacuum booster units with two-chamber booster units

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Systems And Boosters (AREA)
  • Braking Arrangements (AREA)
JP63267574A 1988-10-24 1988-10-24 ブレーキ倍力装置 Granted JPH02114056A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP63267574A JPH02114056A (ja) 1988-10-24 1988-10-24 ブレーキ倍力装置
US07/413,877 US4976188A (en) 1988-10-24 1989-09-28 Brake booster
GB8921915A GB2225071B (en) 1988-10-24 1989-09-28 Brake booster
AU42428/89A AU606001B2 (en) 1988-10-24 1989-10-02 Brake booster
KR1019890015037A KR920005372B1 (ko) 1988-10-24 1989-10-19 브레이크 배력장치

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63267574A JPH02114056A (ja) 1988-10-24 1988-10-24 ブレーキ倍力装置

Publications (2)

Publication Number Publication Date
JPH02114056A JPH02114056A (ja) 1990-04-26
JPH0543542B2 true JPH0543542B2 (en]) 1993-07-01

Family

ID=17446676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63267574A Granted JPH02114056A (ja) 1988-10-24 1988-10-24 ブレーキ倍力装置

Country Status (5)

Country Link
US (1) US4976188A (en])
JP (1) JPH02114056A (en])
KR (1) KR920005372B1 (en])
AU (1) AU606001B2 (en])
GB (1) GB2225071B (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02274651A (ja) * 1989-04-13 1990-11-08 Nissin Kogyo Kk タンデム型負圧ブースタ
JP2976515B2 (ja) * 1990-10-12 1999-11-10 自動車機器株式会社 ブレーキ倍力装置
US5323689A (en) * 1992-09-24 1994-06-28 Allied-Signal Inc. Method of manufacturing a tandem brake booster
JP2962341B2 (ja) * 1993-10-08 1999-10-12 自動車機器株式会社 倍力装置のパワーピストン組立体
JP2962342B2 (ja) * 1993-10-29 1999-10-12 自動車機器株式会社 倍力装置
US6626080B2 (en) * 2001-08-07 2003-09-30 Delphi Technologies, Inc. Triple power booster for brake systems
US6928920B2 (en) * 2003-11-20 2005-08-16 Robert Bosch Corporation Wall arrangement for a servomotor

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5323913A (en) * 1976-08-13 1978-03-06 Fuso Kagaku Kogyo Method of producing aldehyde
JPS5477885U (en]) * 1977-11-14 1979-06-02
GB2022207B (en) * 1978-05-20 1982-07-14 Girling Ltd Servo boosters for vehivle braking systems
ES480732A2 (es) * 1978-05-20 1980-07-01 Girling Ltd Servo-amplificador de fuerza para sistema de frenos de vehi-culo.
DE2908481A1 (de) * 1979-03-05 1980-09-11 Teves Gmbh Alfred Zweikreisiger vakuumverstaerker
DE2918914A1 (de) * 1979-05-10 1980-12-11 Teves Gmbh Alfred Bremskraftverstaerker
JPS55152656A (en) * 1979-05-17 1980-11-28 Aisin Seiki Co Ltd Negative pressure power multiplier
US4271670A (en) * 1979-08-02 1981-06-09 Aisin Seiki Kabushiki Kaisha Power assist mechanism
EP0034507B2 (en) * 1980-02-23 1987-08-26 LUCAS INDUSTRIES public limited company Servo boosters for vehicle braking systems
US4512237A (en) * 1982-01-16 1985-04-23 Jidosha Kiki Co., Ltd. Tandem type brake power servo booster
JPS596561U (ja) * 1982-07-06 1984-01-17 アイシン精機株式会社 車両用タンデム型ブレ−キブ−スタ
JPS5987360U (ja) * 1982-12-03 1984-06-13 アイシン精機株式会社 タンデム型ブレ−キ倍力装置
JPS60154952A (ja) * 1984-01-21 1985-08-14 Jidosha Kiki Co Ltd タンデムブレ−キ倍力装置
US4658704A (en) * 1984-01-31 1987-04-21 Jidoshakiki Co., Ltd. Brake booster of tandem type
JPS60125271U (ja) * 1984-02-02 1985-08-23 アイシン精機株式会社 タンデム型倍力装置
JPS6145277U (ja) * 1984-08-30 1986-03-26 アイシン精機株式会社 タンデム型倍力装置
JPH0694966B2 (ja) * 1985-10-15 1994-11-24 西淀空調機株式会社 吸着式冷凍機
US4787292A (en) * 1986-09-29 1988-11-29 Jidosha Kiki Co., Ltd. Brake booster
US4738186A (en) * 1986-11-04 1988-04-19 Allied Corporation Diaphragm for a servomotor
JPS6382669U (en]) * 1986-11-20 1988-05-31
US4984507A (en) * 1988-07-26 1991-01-15 Jidosha Kiki Co., Ltd. Three chamber brake booster with variable pressure passages having a minimum channel length

Also Published As

Publication number Publication date
US4976188A (en) 1990-12-11
JPH02114056A (ja) 1990-04-26
AU606001B2 (en) 1991-01-24
GB2225071A (en) 1990-05-23
AU4242889A (en) 1990-04-26
KR900006709A (ko) 1990-05-08
GB2225071B (en) 1992-08-12
KR920005372B1 (ko) 1992-07-02
GB8921915D0 (en) 1989-11-15

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees