GB514917A - Improvements in or relating to fluid pressure braking systems for vehicles - Google Patents

Improvements in or relating to fluid pressure braking systems for vehicles

Info

Publication number
GB514917A
GB514917A GB1489338A GB1489338A GB514917A GB 514917 A GB514917 A GB 514917A GB 1489338 A GB1489338 A GB 1489338A GB 1489338 A GB1489338 A GB 1489338A GB 514917 A GB514917 A GB 514917A
Authority
GB
United Kingdom
Prior art keywords
valve
vehicles
inlet valve
relating
fluid pressure
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
GB1489338A
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.)
GEOFFREY ROBERT GREENBERGH GAT
Automotive Products PLC
Original Assignee
GEOFFREY ROBERT GREENBERGH GAT
Automotive Products PLC
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 GEOFFREY ROBERT GREENBERGH GAT, Automotive Products PLC filed Critical GEOFFREY ROBERT GREENBERGH GAT
Priority to GB1489338A priority Critical patent/GB514917A/en
Publication of GB514917A publication Critical patent/GB514917A/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
    • B60T13/244—Mechanical command of the control valve, hydraulic transmission to the brakes

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

514,917. Fluid-pressure brakes. AUTOMOTIVE PRODUCTS CO., Ltd., and GATES, G. R. G. May 18, 1938, No. 14893. [Class 103 (i)] In a compressed air or vacuum brake for vehicles having hydraulic transmission the pressure produced in the hydraulic master cylinder is applied to a piston 55 acting to close the inlet valve, and thus to limit the brake application to a degree dependent on the movement of the foot pedal, and also to give a reaction on the driver's foot. The foot pedal acts on the inlet valve by means of a spring tappet 48 to allow the valve to be reclosed by the piston 55. The exhaust valve is also operated by means of a spring tappet. The inlet valve is provided with a sleeve 42 having tapered grooves which provide a passage of progressively increasing area past the valve as the valve is opened.
GB1489338A 1938-05-18 1938-05-18 Improvements in or relating to fluid pressure braking systems for vehicles Expired GB514917A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1489338A GB514917A (en) 1938-05-18 1938-05-18 Improvements in or relating to fluid pressure braking systems for vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1489338A GB514917A (en) 1938-05-18 1938-05-18 Improvements in or relating to fluid pressure braking systems for vehicles

Publications (1)

Publication Number Publication Date
GB514917A true GB514917A (en) 1939-11-21

Family

ID=10049391

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1489338A Expired GB514917A (en) 1938-05-18 1938-05-18 Improvements in or relating to fluid pressure braking systems for vehicles

Country Status (1)

Country Link
GB (1) GB514917A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433953A (en) * 1943-04-12 1948-01-06 Automatic Shifters Inc Pressure booster for hydraulic brake systems
US3064431A (en) * 1958-07-14 1962-11-20 Wagner Electric Corp Power hydraulic booster valve
US3130551A (en) * 1960-02-11 1964-04-28 Automotive Prod Co Ltd Valve mechanism for controlling servo devices of the differential air pressure type
EP1506973A1 (en) 2003-08-12 2005-02-16 Wolff Cellulosics GmbH & Co.KG Additives comprising cellulose derivatives having gel-like rheological properties, their use in building materials and a process for the extrusion of cement using these additives

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2433953A (en) * 1943-04-12 1948-01-06 Automatic Shifters Inc Pressure booster for hydraulic brake systems
US3064431A (en) * 1958-07-14 1962-11-20 Wagner Electric Corp Power hydraulic booster valve
US3130551A (en) * 1960-02-11 1964-04-28 Automotive Prod Co Ltd Valve mechanism for controlling servo devices of the differential air pressure type
EP1506973A1 (en) 2003-08-12 2005-02-16 Wolff Cellulosics GmbH & Co.KG Additives comprising cellulose derivatives having gel-like rheological properties, their use in building materials and a process for the extrusion of cement using these additives

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