JPH0340277U - - Google Patents

Info

Publication number
JPH0340277U
JPH0340277U JP1989102617U JP10261789U JPH0340277U JP H0340277 U JPH0340277 U JP H0340277U JP 1989102617 U JP1989102617 U JP 1989102617U JP 10261789 U JP10261789 U JP 10261789U JP H0340277 U JPH0340277 U JP H0340277U
Authority
JP
Japan
Prior art keywords
center plate
chamber
valve body
power piston
circumferential surface
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.)
Pending
Application number
JP1989102617U
Other languages
English (en)
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 filed Critical
Priority to JP1989102617U priority Critical patent/JPH0340277U/ja
Priority to US07/567,912 priority patent/US5062348A/en
Publication of JPH0340277U publication Critical patent/JPH0340277U/ja
Pending legal-status Critical Current

Links

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
    • B60T13/10—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
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3268—Mounting of sealing rings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Braking Systems And Boosters (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例を示す断面図、第２
図は第１図の要部の拡大断面図である。 １……フロントシエル、２……リヤシエル、３
……センタープレート、３ａ……筒状部、３ｂ…
…折曲げ部、４……フロント室、５……リヤ室、
６……バルブボデイ、７……環状シール手段、７
ａ……本体部、７ａ′……本体部７ａの一部、１
１，１２……ダイヤフラム、９，１０……パワー
ピストン、Ａ，Ｃ……定圧室、Ｂ，Ｄ……変圧室
。

Claims (1)

  1. 【実用新案登録請求の範囲】 シエル内をフロント室とリヤ室とに区画するセ
    ンタープレートと、このセンタープレートに摺動
    自在に貫通させたバルブボデイと、上記センター
    プレートとバルブボデイとの間の気密を保持する
    環状シール手段と、上記センタープレートで区画
    した各室内に設けられて上記バルブボデイにそれ
    ぞれ連結されたパワーピストンと、各パワーピス
    トンの背面に張設されて各室をそれぞれ定圧室と
    変圧室とに区画するダイアフラムとを備えたブレ
    ーキ倍力装置において、 上記センタープレートの軸部に軸方向に伸びる
    筒状部を形成するとともに、該筒状部の端部を半
    径方向内方にＵ字形に折返して折曲げ部を形成し
    、かつ上記環状シール手段を上記筒状部内に嵌合
    してその一部を上記筒状部の内周面と折曲げ部の
    外周面との間に配置したことを特徴とするブレー
    キ倍力装置のシール装置。
JP1989102617U 1989-08-31 1989-08-31 Pending JPH0340277U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989102617U JPH0340277U (ja) 1989-08-31 1989-08-31
US07/567,912 US5062348A (en) 1989-08-31 1990-08-15 Seal unit for brake booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989102617U JPH0340277U (ja) 1989-08-31 1989-08-31

Publications (1)

Publication Number Publication Date
JPH0340277U true JPH0340277U (ja) 1991-04-18

Family

ID=14332209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989102617U Pending JPH0340277U (ja) 1989-08-31 1989-08-31

Country Status (2)

Country Link
US (1) US5062348A (ja)
JP (1) JPH0340277U (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002200134A (ja) * 2000-12-28 2002-07-16 Kimura Giken:Kk 入浴装置
KR101143876B1 (ko) * 2006-12-22 2012-05-09 평화오일씰공업주식회사 브레이크 부스터용 시일

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0437818Y2 (ja) * 1990-08-22 1992-09-04
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
US5121674A (en) * 1991-07-03 1992-06-16 Jidosha Kiki Co., Ltd. Brake booster
JP2853721B2 (ja) * 1992-07-10 1999-02-03 自動車機器株式会社 倍力装置
US5355771A (en) * 1992-08-28 1994-10-18 Jidosha Kiki Co., Ltd. Valve mechanism for brake booster
DE4341838A1 (de) * 1993-12-08 1995-06-14 Teves Gmbh Alfred Unterdruckbremskraftverstärker für Kraftfahrzeuge
JPH09207759A (ja) * 1996-01-31 1997-08-12 Aisin Seiki Co Ltd タンデム型負圧式倍力装置
US6098752A (en) * 1997-08-27 2000-08-08 Mccaleb; David A. Environmentally safe fluid changing system
FR2809068B1 (fr) 2000-05-19 2002-08-09 Bosch Gmbh Robert Logement de reception d'un disque de reaction et servomoteur pneumatique d'assistance au freinage comportant un tel logement
US6725760B1 (en) * 2002-05-13 2004-04-27 Robert Bosch Corporation Brake booster
FR2908099B1 (fr) * 2006-11-02 2009-01-09 Bosch Gmbh Robert Servomoteur pneumatique tandem d'assistance de freinage d'un vehicule
JP5738256B2 (ja) * 2012-10-12 2015-06-17 日信工業株式会社 負圧ブースタ
CN107989999B (zh) * 2017-11-15 2019-10-15 王良仁 一种应用于换热水箱镁棒预留孔的密封装置

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2549818A (en) * 1945-08-23 1951-04-24 Joseph F Joy Sealing device
US2919718A (en) * 1952-12-23 1960-01-05 Mercier Jean Pressure accumulator
US2773511A (en) * 1952-12-23 1956-12-11 Mercier Jean Pressure accumulator
US2932321A (en) * 1952-12-23 1960-04-12 Mercier Jean Pressure accumulator
DE1555763A1 (de) * 1966-02-01 1969-06-12 Ernst Heinkel Ag Pneumatisch-hydraulische Mehrkammer-Hilfskraftvorrichtung mit hydraulischem Mehrkammer-Zylinder
US3411414A (en) * 1966-06-27 1968-11-19 Midland Ross Corp Servomotor requiring minimum movement of actuator
US3897718A (en) * 1973-07-30 1975-08-05 Bendix Corp Wall means for a servomotor
US3958497A (en) * 1973-07-30 1976-05-25 The Bendix Corporation Wall means for a servomotor
JPS5323913A (en) * 1976-08-13 1978-03-06 Fuso Kagaku Kogyo Method of producing aldehyde
JPS5746206A (en) * 1980-09-05 1982-03-16 Nippon Telegr & Teleph Corp <Ntt> Compound optical fiber
US4512237A (en) * 1982-01-16 1985-04-23 Jidosha Kiki Co., Ltd. Tandem type brake power servo booster
JPS60108582U (ja) * 1983-12-28 1985-07-23 自動車機器株式会社 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
US4738186A (en) * 1986-11-04 1988-04-19 Allied Corporation Diaphragm for a servomotor
JPH0433181Y2 (ja) * 1986-11-10 1992-08-10
US4898081A (en) * 1988-08-31 1990-02-06 Allied-Signal Inc. One Piece rear seal for servomotor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002200134A (ja) * 2000-12-28 2002-07-16 Kimura Giken:Kk 入浴装置
KR101143876B1 (ko) * 2006-12-22 2012-05-09 평화오일씰공업주식회사 브레이크 부스터용 시일

Also Published As

Publication number Publication date
US5062348A (en) 1991-11-05

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