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GB1433737A - Servo boosters - Google Patents

Servo boosters

Info

Publication number
GB1433737A
GB1433737A GB1905472A GB1905472A GB1433737A GB 1433737 A GB1433737 A GB 1433737A GB 1905472 A GB1905472 A GB 1905472A GB 1905472 A GB1905472 A GB 1905472A GB 1433737 A GB1433737 A GB 1433737A
Authority
GB
United Kingdom
Prior art keywords
valve body
valve
plate
booster
april
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.)
Expired
Application number
GB1905472A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Girling Ltd
Original Assignee
Girling Ltd
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 by Girling Ltd filed Critical Girling Ltd
Priority to GB4957775A priority Critical patent/GB1433740A/en
Priority to GB1905472A priority patent/GB1433737A/en
Priority to GB383175A priority patent/GB1433739A/en
Priority to AU54186/73A priority patent/AU478305B2/en
Priority to IN902/CAL/73A priority patent/IN139488B/en
Priority to JP4581873A priority patent/JPS5430074B2/ja
Priority to BR300173A priority patent/BR7303001D0/en
Priority to DE19732366053 priority patent/DE2366053A1/en
Priority to DE19732320853 priority patent/DE2320853C3/en
Priority to ES414055A priority patent/ES414055A1/en
Publication of GB1433737A publication Critical patent/GB1433737A/en
Priority to AU17990/76A priority patent/AU499613B2/en
Priority to JP9406778A priority patent/JPS5439768A/en
Expired 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)
  • Actuator (AREA)
  • Indication Of The Valve Opening Or Closing Status (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

1433737 Brake boosters GIRLING Ltd 19 April 1973 [25 /April 1972 30 Nov 1972] 19054/72 and 55304/72 Heading F2F In a servo-booster for a vehicle brake system in which a load-actuating member 92 is displaceable by the application of a differential fluid pressure across a movable wall, i.e. an elastic diaphragm 24, dividing a housing 10 of the booster into a pair of fluid chambers 26, 28 the differential pressure is controlled by a valve 31 comprising a flexible valve closure member 60 located within a central bore portion of a valve body member 32 within the housing 10. One end of the member 60 has a surface 70 adapted to selectably cooperate with a pair of valve seats 72, 74 for controlling the differential pressure across the wall 24, the latter including a conically deformable, annular deflecting plate 52 which is not directly connected to the valve body member but which abuts a fulcrum plate 90 carried by the member 92. A mechanical coupling is provided between the member 92 and the valve body 32 whereby axial displacement of the member 92 is followed by the valve body, such coupling being effected by a hollow, generally cylindrical member 102 which is constructionally distinct from both the valve body and the member 92 and which is arranged coaxially of the booster axis; one end of the member 102 is connected to the valve body and the other end thereof is mechanically coupled to the member 92. As shown, the member 102, which is slotted for passage of the fingers 51 of the plate 52, is connected to the plate 90 by means of bent-over lugs 104 extending through apertures 106 in the plate, and to the valve body by flanges 108 and 112 respectively of the body and a retaining ring 114 screwed on to the valve body 32. A thrust member 46, slidable in a bore portion 40 of the valve body, slidably receives the member 92 and is connected by a ball-andsocket connection with a valve-actuating rod 48. In a modification, Fig. 2 (not shown) a cup-shaped member (266) is mounted on an output member (258) and has portions (266a), (266b), the latter being screwed to the valve body 236, and the radially inner periphery (224a) of the diaphragm (246) is clamped between a recess in the portion (266b) and a shoulder (270) on the valve body.
GB1905472A 1972-04-25 1972-04-25 Servo boosters Expired GB1433737A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB4957775A GB1433740A (en) 1972-04-25 1972-04-25 Servo-boosters
GB1905472A GB1433737A (en) 1972-04-25 1972-04-25 Servo boosters
GB383175A GB1433739A (en) 1972-04-25 1972-11-30 Servo-boosters for vehicle brake systems
AU54186/73A AU478305B2 (en) 1972-04-25 1973-04-06 Improvements in and relating to servo-boosters for vehicle brake systems
IN902/CAL/73A IN139488B (en) 1972-04-25 1973-04-17
JP4581873A JPS5430074B2 (en) 1972-04-25 1973-04-24
BR300173A BR7303001D0 (en) 1972-04-25 1973-04-25 PERFECTING CONCERNENTS TO SERVO-BRAKES PERFECTING CONCERNENTS TO SERVO-BRAKES
DE19732366053 DE2366053A1 (en) 1972-04-25 1973-04-25 Vehicle servo-assisted braking system - employs booster with mechanical coupling between output rod and valve body
DE19732320853 DE2320853C3 (en) 1972-04-25 1973-04-25 Brake boosters for automobiles
ES414055A ES414055A1 (en) 1972-04-25 1973-04-25 Servo boosters
AU17990/76A AU499613B2 (en) 1972-04-25 1976-09-21 Servo booster
JP9406778A JPS5439768A (en) 1972-04-25 1978-08-01 Servoobooster for use in brake device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1905472A GB1433737A (en) 1972-04-25 1972-04-25 Servo boosters
GB5530472 1972-11-30

Publications (1)

Publication Number Publication Date
GB1433737A true GB1433737A (en) 1976-04-28

Family

ID=26253803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1905472A Expired GB1433737A (en) 1972-04-25 1972-04-25 Servo boosters

Country Status (6)

Country Link
JP (2) JPS5430074B2 (en)
AU (1) AU499613B2 (en)
DE (1) DE2320853C3 (en)
ES (1) ES414055A1 (en)
GB (1) GB1433737A (en)
IN (1) IN139488B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS584751Y2 (en) * 1975-12-29 1983-01-27 トキコ株式会社 Shinkubairiyokusouchi
JPS52141584U (en) * 1976-04-20 1977-10-26
JPS5719332Y2 (en) * 1976-12-29 1982-04-22
JPS59176917U (en) * 1983-05-12 1984-11-27 オムロン株式会社 linear encoder
KR950000490A (en) * 1993-01-26 1995-01-03 시시도 도시마사 Valve body holding structure and valve body holding cylinder attachment structure in negative pressure booster

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3452646A (en) * 1966-12-29 1969-07-01 Bendix Corp Valve and spring retainer

Also Published As

Publication number Publication date
JPS5757303B2 (en) 1982-12-03
DE2320853C3 (en) 1978-07-06
IN139488B (en) 1976-06-26
JPS5430074B2 (en) 1979-09-27
ES414055A1 (en) 1976-06-01
JPS5439768A (en) 1979-03-27
JPS4947763A (en) 1974-05-09
AU1799076A (en) 1976-12-16
DE2320853A1 (en) 1973-11-08
DE2320853B2 (en) 1977-11-24
AU499613B2 (en) 1979-04-26

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees