JPH028679U - - Google Patents

Info

Publication number
JPH028679U
JPH028679U JP8687588U JP8687588U JPH028679U JP H028679 U JPH028679 U JP H028679U JP 8687588 U JP8687588 U JP 8687588U JP 8687588 U JP8687588 U JP 8687588U JP H028679 U JPH028679 U JP H028679U
Authority
JP
Japan
Prior art keywords
pressure chamber
atmospheric pressure
seal
valve body
vacuum
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
JP8687588U
Other languages
English (en)
Other versions
JPH0547017Y2 (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 JP1988086875U priority Critical patent/JPH0547017Y2/ja
Publication of JPH028679U publication Critical patent/JPH028679U/ja
Application granted granted Critical
Publication of JPH0547017Y2 publication Critical patent/JPH0547017Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Braking Systems And Boosters (AREA)

Description

【図面の簡単な説明】
第１図は本考案実施例のバキユームブースタを
示す断面図、第２図はブレーキ非作動状態を示す
要部作用説明図、第３図はブレーキ作動状態を示
す要部作用説明図である。 ２……オペレーテイングロツド、６……バルブ
ボデイ、６ａ……真空通路、６ｂ……大気通路、
８……ダイヤフラム、１０……リヤシエル、１０
ａ……同径円筒シール部、１３……負圧室、１４
……大気圧室、１５……ポペツトバルブアツシー
、１５ａ……バキユームバルブ部、１５ｂ……エ
アバルブ部、１８……シール。

Claims (1)

  1. 【実用新案登録請求の範囲】 ブレーキ操作によりオペレーテイングロツドが
    移動するとバキユームバルブが閉じ、バルブボデ
    イとダイヤフラムにより画成されたシエル内の負
    圧室と大気圧室とが遮断され、更に、オペレーテ
    イングロツドが移動するとエアバルブが開き、大
    気が大気圧室に流入し、この負圧室と大気圧室と
    の圧力差を利用してブレーキ踏力を増大させるバ
    キユームブースタにおいて、 前記バルブボデイとリヤシエルとの間に介装さ
    れるシールをバルブボデイ側に設けると共に、前
    記リヤシエルにシールストロークを許容する同径
    円筒シール部を設けた事を特徴とするバキユーム
    ブースタ。
JP1988086875U 1988-06-30 1988-06-30 Expired - Lifetime JPH0547017Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988086875U JPH0547017Y2 (ja) 1988-06-30 1988-06-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988086875U JPH0547017Y2 (ja) 1988-06-30 1988-06-30

Publications (2)

Publication Number Publication Date
JPH028679U true JPH028679U (ja) 1990-01-19
JPH0547017Y2 JPH0547017Y2 (ja) 1993-12-09

Family

ID=31311515

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988086875U Expired - Lifetime JPH0547017Y2 (ja) 1988-06-30 1988-06-30

Country Status (1)

Country Link
JP (1) JPH0547017Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50143943A (ja) * 1974-05-08 1975-11-19
JPH0562377U (ja) * 1992-01-31 1993-08-20 自動車機器株式会社 倍力装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4729085U (ja) * 1971-04-22 1972-12-02

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4729085U (ja) * 1971-04-22 1972-12-02

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50143943A (ja) * 1974-05-08 1975-11-19
JPS5610539B2 (ja) * 1974-05-08 1981-03-09
JPH0562377U (ja) * 1992-01-31 1993-08-20 自動車機器株式会社 倍力装置

Also Published As

Publication number Publication date
JPH0547017Y2 (ja) 1993-12-09

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