JPH0413464U - - Google Patents

Info

Publication number
JPH0413464U
JPH0413464U JP1990055040U JP5504090U JPH0413464U JP H0413464 U JPH0413464 U JP H0413464U JP 1990055040 U JP1990055040 U JP 1990055040U JP 5504090 U JP5504090 U JP 5504090U JP H0413464 U JPH0413464 U JP H0413464U
Authority
JP
Japan
Prior art keywords
valve body
power piston
pressure chamber
shell
booster
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
JP1990055040U
Other languages
Japanese (ja)
Other versions
JPH077240Y2 (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 JP1990055040U priority Critical patent/JPH077240Y2/en
Priority to KR2019910007093U priority patent/KR950006091Y1/en
Publication of JPH0413464U publication Critical patent/JPH0413464U/ja
Application granted granted Critical
Publication of JPH077240Y2 publication Critical patent/JPH077240Y2/en
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
    • B60T13/569—Vacuum systems indirect, i.e. vacuum booster units characterised by piston details, e.g. construction, mounting of diaphragm
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す断面図、第２
図は第１図の要部の拡大図である。 １……シエル、２……バルブボデイ、３……パ
ワーピストン、４……ダイアフラム、５……定圧
室、６……変圧室、７……弁機構、４ｄ……環状
突起、２２……入力軸。 Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is an enlarged view of the main part of FIG. 1... Shell, 2... Valve body, 3... Power piston, 4... Diaphragm, 5... Constant pressure chamber, 6... Variable pressure chamber, 7... Valve mechanism, 4d... Annular projection, 22... Input shaft .

Claims (1)

【実用新案登録請求の範囲】 シエル内に摺動自在に配設したバルブボデイと
、このバルブボデイに設けたパワーピストンと、
上記パワーピストンの後面に添設されてシエル内
を定圧室と変圧室とに区画するダイアフラムと、
上記バルブボデイに収納されて入力軸に連動して
流体回路を切換える弁機構とを備える倍力装置に
おいて、 上記パワーピストンとダイアフラムとの接触部
の少なくとも一方に円周方向に連続する環状突起
を形成したことを特徴とする倍力装置。[Scope of claim for utility model registration] A valve body slidably disposed within the shell, a power piston provided in this valve body,
a diaphragm attached to the rear surface of the power piston and dividing the inside of the shell into a constant pressure chamber and a variable pressure chamber;
A booster comprising a valve mechanism housed in the valve body and switching a fluid circuit in conjunction with an input shaft, wherein an annular protrusion continuous in the circumferential direction is formed on at least one of the contact portions between the power piston and the diaphragm. A booster characterized by:
JP1990055040U 1990-05-25 1990-05-25 Booster Expired - Lifetime JPH077240Y2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1990055040U JPH077240Y2 (en) 1990-05-25 1990-05-25 Booster
KR2019910007093U KR950006091Y1 (en) 1990-05-25 1991-05-17 Booster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1990055040U JPH077240Y2 (en) 1990-05-25 1990-05-25 Booster

Publications (2)

Publication Number Publication Date
JPH0413464U true JPH0413464U (en) 1992-02-03
JPH077240Y2 JPH077240Y2 (en) 1995-02-22

Family

ID=12987551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1990055040U Expired - Lifetime JPH077240Y2 (en) 1990-05-25 1990-05-25 Booster

Country Status (2)

Country Link
JP (1) JPH077240Y2 (en)
KR (1) KR950006091Y1 (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63173752A (en) * 1986-11-04 1988-07-18 アライド・コーポレーション Diaphragm for servomotor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63173752A (en) * 1986-11-04 1988-07-18 アライド・コーポレーション Diaphragm for servomotor

Also Published As

Publication number Publication date
KR910020424U (en) 1991-12-20
KR950006091Y1 (en) 1995-07-29
JPH077240Y2 (en) 1995-02-22

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