JPH0371964U - - Google Patents

Info

Publication number
JPH0371964U
JPH0371964U JP1989128483U JP12848389U JPH0371964U JP H0371964 U JPH0371964 U JP H0371964U JP 1989128483 U JP1989128483 U JP 1989128483U JP 12848389 U JP12848389 U JP 12848389U JP H0371964 U JPH0371964 U JP H0371964U
Authority
JP
Japan
Prior art keywords
pressure chamber
valve body
valve device
cylindrical part
negative pressure
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
Application number
JP1989128483U
Other languages
English (en)
Other versions
JPH061894Y2 (ja
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 JP1989128483U priority Critical patent/JPH061894Y2/ja
Priority to US07/608,485 priority patent/US5090294A/en
Publication of JPH0371964U publication Critical patent/JPH0371964U/ja
Application granted granted Critical
Publication of JPH061894Y2 publication Critical patent/JPH061894Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】
第１図は、本考案の気圧式倍力装置の第１の実
施例を示す全体縦断面図、第２図は、本発明の気
圧式倍力装置の第２の実施例の要部縦断面図、第
３図は、従来の気圧式倍力装置の一例を示す要部
縦断面図である。 ４……倍力装置本体、５……バルブボデイ、５
ａ……筒状部、６，７……パワーピストン、１０
……フトント定圧室、１１……フロント変圧室、
１２……リア定圧室、１３……リア変圧室、１５
……入力軸、５ｄ，１６ａ……シート部、１８…
…ポペツトバルブ、２５……出力軸、２９……第
１のサイレンサ、３１……第２のサイレンサ、３
４……仕切部材、３５，３６……空気通路。

Claims (1)

  1. 【実用新案登録請求の範囲】 バルブボデイの前部に取付けたパワーピストン
    とダイヤフラムにより、負圧源と連通する定圧お
    よび負圧源または大気と選択的に連通する変圧室
    に区画される倍力装置本体と、 前記バルブボデイの後方に開口する筒状部内に
    配置され、前記変圧室と負圧源または大気との連
    通を切換える弁装置と、 前記筒状部内に挿入され、前記弁装置を作動さ
    せる入力軸と、 前記定圧室と変圧室との圧力差で移動するパワ
    ーピストンにより入力軸からの入力を助勢した力
    をマスタシリンダに出力する出力軸と、 からなる気圧式倍力装置において、 前記バルブボデイの筒状部内の前記弁装置と該
    筒状部の開口との間に複数のサイレンサを配置し
    、前記筒状部内に、各サイレンサに個別に空気が
    流れるように複数の空気通路を構成するための仕
    切部材を設けたことを特徴とする気圧式倍力装置
    。
JP1989128483U 1989-11-02 1989-11-02 気圧式倍力装置 Expired - Lifetime JPH061894Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989128483U JPH061894Y2 (ja) 1989-11-02 1989-11-02 気圧式倍力装置
US07/608,485 US5090294A (en) 1989-11-02 1990-11-01 Pneumatic booster with tubular portion for separately directing air to silencers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989128483U JPH061894Y2 (ja) 1989-11-02 1989-11-02 気圧式倍力装置

Publications (2)

Publication Number Publication Date
JPH0371964U true JPH0371964U (ja) 1991-07-19
JPH061894Y2 JPH061894Y2 (ja) 1994-01-19

Family

ID=14985863

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989128483U Expired - Lifetime JPH061894Y2 (ja) 1989-11-02 1989-11-02 気圧式倍力装置

Country Status (2)

Country Link
US (1) US5090294A (ja)
JP (1) JPH061894Y2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3491056B2 (ja) * 1993-09-20 2004-01-26 トキコ株式会社 気圧式倍力装置
KR0148885B1 (ko) * 1995-12-27 1998-09-15 정몽원 차량용 브레이크의 배력장치
FR2731668B1 (fr) * 1995-03-17 1997-05-16 Alliedsignal Europ Services Servomoteur dote d'une entree d'air directe a debit adaptif
KR0143588B1 (ko) * 1995-12-19 1998-08-01 정몽원 브레이크 부우스터의 소음 방지장치
DE10302279A1 (de) * 2003-01-22 2004-08-12 Continental Teves Ag & Co. Ohg Unterdruckbremskraftverstärker
JP4492459B2 (ja) * 2005-06-22 2010-06-30 株式会社アドヴィックス 負圧式倍力装置
DE102006016545B3 (de) * 2006-04-07 2007-05-16 Lucas Automotive Gmbh Bremskraftverstärkungseinrichtung mit Dämpfungselement

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022112A (en) * 1975-12-15 1977-05-10 The Bendix Corporation Flow through cap for attenuating any noise caused by air flow in a pneumatic servomotor
US4103590A (en) * 1977-03-10 1978-08-01 The Bendix Corporation Filter for a servomotor
JPS5642138Y2 (ja) * 1977-07-09 1981-10-02
DE2836681A1 (de) * 1978-08-22 1980-03-06 Teves Gmbh Alfred Drucksteuerventil
JPS6228533Y2 (ja) * 1980-11-12 1987-07-22
JPS5913353U (ja) * 1982-07-20 1984-01-27 自動車機器株式会社 ブレ−キ倍力装置
JPS5923654A (ja) * 1982-07-29 1984-02-07 Sharp Corp デ−タ伝送装置
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
JPS60169059U (ja) * 1984-04-20 1985-11-09 トキコ株式会社 気圧倍力装置

Also Published As

Publication number Publication date
US5090294A (en) 1992-02-25
JPH061894Y2 (ja) 1994-01-19

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