JPS62125657U - - Google Patents

Info

Publication number
JPS62125657U
JPS62125657U JP1349186U JP1349186U JPS62125657U JP S62125657 U JPS62125657 U JP S62125657U JP 1349186 U JP1349186 U JP 1349186U JP 1349186 U JP1349186 U JP 1349186U JP S62125657 U JPS62125657 U JP S62125657U
Authority
JP
Japan
Prior art keywords
seat surface
power piston
valve plunger
control valve
valve
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
JP1349186U
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 JP1349186U priority Critical patent/JPS62125657U/ja
Priority to US07/009,258 priority patent/US4770082A/en
Publication of JPS62125657U publication Critical patent/JPS62125657U/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
    • B60T13/57—Vacuum systems indirect, i.e. vacuum booster units characterised by constructional features of control valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86919—Sequentially closing and opening alternately seating flow controllers

Landscapes

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

Description

【図面の簡単な説明】
第１図は本考案の実施例の縦断面図、第２図は
第１図の要部拡大図、第３図は本考案実施例に係
るブレーキ倍力装置に於ける入力荷重Kgと出力荷
重Kgの関係を表わした特性図、第４図は従来の負
圧式倍力装置の制御弁機構の縦断面図である。 １０……負圧式倍力装置、１１……フロントシ
エル、１２……リヤシエル、１３……パワーピス
トン、１４……ダイアフラム、１６……定圧室、
１７……変圧室、２３……バルブプランジヤ、２
４……コントロールバルブ、３２……ブースタプ
ツシユロツド。

Claims (1)

    【実用新案登録請求の範囲】
  1. ハウジング内を定圧室と変圧室とに分割するパ
    ワーピストン及びダイアフラムと、該パワーピス
    トンに摺動可能に嵌合されペダルに連動するバル
    ブプランジヤと、該バルブプランジヤの後端部シ
    ート面に常時当接するコントロールバルブとを有
    し、該コントロールバルブが前記バルブプランジ
    ヤと共にブレーキペダルに連動し、前記パワーピ
    ストンのシート面に当接して前記両室の連通を遮
    断し、前記バルブプランジヤのシート面から離間
    することにより前記両室間に圧力差を生じさせ、
    前記パワーピストンに連動するプツシユロツドに
    作動圧力を発生させる負圧式倍力装置に於いて前
    記バルブプランジヤのシート面を環状の球面とす
    ると共に、該シート面に当接する前記コントロー
    ルバルブのシール面を該シート面の球面が内接す
    る凹状の球面形状とした負圧式倍力装置。
JP1349186U 1986-01-31 1986-01-31 Pending JPS62125657U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1349186U JPS62125657U (ja) 1986-01-31 1986-01-31
US07/009,258 US4770082A (en) 1986-01-31 1987-01-30 Vacuum booster for automobiles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1349186U JPS62125657U (ja) 1986-01-31 1986-01-31

Publications (1)

Publication Number Publication Date
JPS62125657U true JPS62125657U (ja) 1987-08-10

Family

ID=11834585

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1349186U Pending JPS62125657U (ja) 1986-01-31 1986-01-31

Country Status (2)

Country Link
US (1) US4770082A (ja)
JP (1) JPS62125657U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010254219A (ja) * 2009-04-28 2010-11-11 Hitachi Automotive Systems Ltd 気圧式倍力装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0437019Y2 (ja) * 1988-03-31 1992-09-01
FR2690666B1 (fr) * 1992-04-30 1994-06-24 Bendix Europ Services Tech Dispositif perfectionne de transmission d'effort pour servomoteur.
FR2714876B1 (fr) * 1994-01-07 1996-03-01 Alliedsignal Europ Services Servomoteur pneumatique d'assistance au freinage, à fonctionnement silencieux.
US20050136822A1 (en) * 2001-10-22 2005-06-23 Antos John M. Vent assembly for a vehicle refrigerator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4085656A (en) * 1975-07-19 1978-04-25 Tokico Ltd. Vacuum booster
DE2918908A1 (de) * 1979-05-10 1980-12-11 Teves Gmbh Alfred Vakuumbremskraftverstaerker fuer kraftfahrzeuge
JPS5689754U (ja) * 1979-12-14 1981-07-17
JPS6233651Y2 (ja) * 1981-03-30 1987-08-28
JPS59128041A (ja) * 1983-01-10 1984-07-24 Tokico Ltd 気圧倍力装置
US4587885A (en) * 1983-09-09 1986-05-13 Itt Industries, Inc. Vacuum-operated brake power booster
DE3337894A1 (de) * 1983-10-19 1985-05-09 Alfred Teves Gmbh, 6000 Frankfurt Vakuumbetriebener bremskraftverstaerker
JPS60108582U (ja) * 1983-12-28 1985-07-23 自動車機器株式会社 ブレ−キ倍力装置
FR2559725B1 (fr) * 1984-02-22 1986-12-05 Dba Servomoteur d'assistance au freinage
DE3407350A1 (de) * 1984-02-29 1985-08-29 Alfred Teves Gmbh, 6000 Frankfurt Vakuumbetriebener bremskraftverstaerker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010254219A (ja) * 2009-04-28 2010-11-11 Hitachi Automotive Systems Ltd 気圧式倍力装置

Also Published As

Publication number Publication date
US4770082A (en) 1988-09-13

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