JPH0340278U - - Google Patents

Info

Publication number
JPH0340278U
JPH0340278U JP1989102618U JP10261889U JPH0340278U JP H0340278 U JPH0340278 U JP H0340278U JP 1989102618 U JP1989102618 U JP 1989102618U JP 10261889 U JP10261889 U JP 10261889U JP H0340278 U JPH0340278 U JP H0340278U
Authority
JP
Japan
Prior art keywords
valve plunger
key member
contact
valve
plunger
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
JP1989102618U
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 JP1989102618U priority Critical patent/JPH0340278U/ja
Priority to US07/567,911 priority patent/US5121673A/en
Publication of JPH0340278U publication Critical patent/JPH0340278U/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
    • 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
    • B60T13/57—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of control valves

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、第３図はキー部
材３６の右側面図である。 ６……バルブボデイ、１５……弁機構、１７…
…弁プランジヤ、２９……入力軸、３６……キー
部材、３７……挿入部、３８……円弧部、３９…
…二股部、４０……環状溝、４３，４４……当接
面、４５……凹部、４６……弾性体、ｌ１……当
接面４３，４４間の間隔、ｌ２……弾性体４６と
弁プランジヤ１７の当接面４３との間隔。

Claims (1)

  1. 【実用新案登録請求の範囲】 バルブボデイ内に摺動自在に嵌合されて入力軸
    に連動する弁プランジヤと、この弁プランジヤの
    外周面に形成した環状溝と、上記バルブボデイに
    弁プランジヤの半径方向から挿通され、先端の二
    股部を上記環状溝に係合させたキー部材と、この
    キー部材と弁プランジヤとの少なくとも一方の部
    材に設けられ、弁プランジヤの前進時に他方の部
    材に当接して上記キー部材と弁プランジヤとが相
    互に当接するのを防止する弾性体とを備えたブレ
    ーキ倍力装置において、 上記キー部材と弁プランジヤとに相互に当接す
    る当接面を設けるとともに、該当接面間の間隔を
    、上記弾性体と上記他方の部材との間隔よりも大
    きく設定したことを特徴とするブレーキ倍力装置
    の打音防止装置。
JP1989102618U 1989-08-31 1989-08-31 Pending JPH0340278U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989102618U JPH0340278U (ja) 1989-08-31 1989-08-31
US07/567,911 US5121673A (en) 1989-08-31 1990-08-15 Apparatus for preventing percussion beats in brake booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989102618U JPH0340278U (ja) 1989-08-31 1989-08-31

Publications (1)

Publication Number Publication Date
JPH0340278U true JPH0340278U (ja) 1991-04-18

Family

ID=14332239

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989102618U Pending JPH0340278U (ja) 1989-08-31 1989-08-31

Country Status (2)

Country Link
US (1) US5121673A (ja)
JP (1) JPH0340278U (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003063379A (ja) * 2001-08-24 2003-03-05 Aisin Seiki Co Ltd 負圧式倍力装置
JP2006219109A (ja) * 2005-01-11 2006-08-24 Advics:Kk 負圧式倍力装置
JP2014008869A (ja) * 2012-06-29 2014-01-20 Hitachi Automotive Systems Ltd 倍力装置

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2636632B2 (ja) * 1992-04-09 1997-07-30 自動車機器株式会社 倍力装置のパワーピストン組立体
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
US5323689A (en) * 1992-09-24 1994-06-28 Allied-Signal Inc. Method of manufacturing a tandem brake booster
JP2768189B2 (ja) * 1992-12-11 1998-06-25 自動車機器株式会社 ブレーキ倍力装置
JP3024427B2 (ja) * 1993-03-12 2000-03-21 ボッシュ ブレーキ システム株式会社 倍力装置
DE10203411A1 (de) * 2002-01-28 2003-07-31 Continental Teves Ag & Co Ohg Vakuumbetriebener Bremskraftverstärker
FR2991273B1 (fr) * 2012-05-31 2014-07-04 Bosch Gmbh Robert Servofrein a depression

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3727516A (en) * 1971-06-07 1973-04-17 Bendix Corp Cushioned valve plunger
JPS5689754U (ja) * 1979-12-14 1981-07-17
JPS6233651Y2 (ja) * 1981-03-30 1987-08-28
JPS57184056U (ja) * 1981-05-20 1982-11-22
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
JPS59124455A (ja) * 1982-12-31 1984-07-18 Jidosha Kiki Co Ltd ブレ−キ倍力装置
US4787292A (en) * 1986-09-29 1988-11-29 Jidosha Kiki Co., Ltd. Brake booster
JPH0722368Y2 (ja) * 1987-02-12 1995-05-24 自動車機器株式会社 ブレ−キ倍力装置
FR2620673B1 (fr) * 1987-09-17 1989-12-01 Bendix France Servomoteur d'assistance au freinage
JPH0722369Y2 (ja) * 1987-10-30 1995-05-24 自動車機器株式会社 ブレ−キ倍力装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003063379A (ja) * 2001-08-24 2003-03-05 Aisin Seiki Co Ltd 負圧式倍力装置
JP2006219109A (ja) * 2005-01-11 2006-08-24 Advics:Kk 負圧式倍力装置
JP2014008869A (ja) * 2012-06-29 2014-01-20 Hitachi Automotive Systems Ltd 倍力装置

Also Published As

Publication number Publication date
US5121673A (en) 1992-06-16

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