GB914301A - Improvements in or relating to power-assisted braking apparatus for vehicles - Google Patents

Improvements in or relating to power-assisted braking apparatus for vehicles

Info

Publication number
GB914301A
GB914301A GB1421760A GB1421760A GB914301A GB 914301 A GB914301 A GB 914301A GB 1421760 A GB1421760 A GB 1421760A GB 1421760 A GB1421760 A GB 1421760A GB 914301 A GB914301 A GB 914301A
Authority
GB
United Kingdom
Prior art keywords
power
servo
hydraulic
cylinders
vehicles
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
GB1421760A
Inventor
Donald Henry Ballard
George Kenneth Farmery
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.)
Wabco Automotive UK Ltd
Original Assignee
Clayton Dewandre Co 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 Clayton Dewandre Co Ltd filed Critical Clayton Dewandre Co Ltd
Publication of GB914301A publication Critical patent/GB914301A/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
    • B60T13/241—Differential pressure systems
    • B60T13/242—The control valve is provided as one unit with the servomotor cylinder
    • B60T13/245—Hydraulic command of the control valve, hydraulic transmission to the brake
    • 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
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/24—Single initiating means operating on more than one circuit, e.g. dual circuits
    • 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
    • B60T13/58—Combined or convertible systems
    • B60T13/581—Combined or convertible systems both hydraulic and pneumatic

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Regulating Braking Force (AREA)

Abstract

914,301. Fluid-pressure brakes. CLAYTON DEWANDRE CO. Ltd. May 3, 1961 [April 22, 1960], No. 14217/60. Addition to 835,970. Drawings to Specification. Class 103(1). In the dual braking system of parent Specification, the hydraulic transmissions from the master cylinders to the servo control valves are also connected to the spaces behind the servo hydraulic pistons to provide manual hydraulic operation in the event of power failure or to augment power operation. The hydraulic cylinders of the servo units may be of the low-input type as described in Specification 752,747, and the power servo cylinders may have a length exceeding the piston stroke to provide a fluid reservoir.
GB1421760A 1957-12-09 1960-04-22 Improvements in or relating to power-assisted braking apparatus for vehicles Expired GB914301A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3821657A GB835970A (en) 1957-12-09 1957-12-09 Improvements in or relating to power-operated braking apparatus for vehicles

Publications (1)

Publication Number Publication Date
GB914301A true GB914301A (en) 1963-01-02

Family

ID=10402019

Family Applications (2)

Application Number Title Priority Date Filing Date
GB3821657A Expired GB835970A (en) 1957-12-09 1957-12-09 Improvements in or relating to power-operated braking apparatus for vehicles
GB1421760A Expired GB914301A (en) 1957-12-09 1960-04-22 Improvements in or relating to power-assisted braking apparatus for vehicles

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB3821657A Expired GB835970A (en) 1957-12-09 1957-12-09 Improvements in or relating to power-operated braking apparatus for vehicles

Country Status (2)

Country Link
ES (1) ES245841A1 (en)
GB (2) GB835970A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643141A1 (en) * 1986-12-17 1988-07-07 Teves Gmbh Alfred BRAKE SYSTEM FOR MOTOR VEHICLES

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1292525B (en) * 1960-06-24 1969-04-10 Magneti Marelli Spa Air brake system
DE1269514B (en) * 1961-03-08 1968-05-30 Automotive Prod Co Ltd Pressure fluid brake system for vehicles, especially motor vehicles
US3275381A (en) * 1964-06-29 1966-09-27 Bendix Corp Fluid pressure servomotor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3643141A1 (en) * 1986-12-17 1988-07-07 Teves Gmbh Alfred BRAKE SYSTEM FOR MOTOR VEHICLES

Also Published As

Publication number Publication date
ES245841A1 (en) 1959-06-01
GB835970A (en) 1960-05-25

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