GB972139A - Improvements in brakes for rail vehicles - Google Patents

Improvements in brakes for rail vehicles

Info

Publication number
GB972139A
GB972139A GB4517961A GB4517961A GB972139A GB 972139 A GB972139 A GB 972139A GB 4517961 A GB4517961 A GB 4517961A GB 4517961 A GB4517961 A GB 4517961A GB 972139 A GB972139 A GB 972139A
Authority
GB
United Kingdom
Prior art keywords
pressure
master cylinder
brakes
line
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.)
Expired
Application number
GB4517961A
Inventor
Colin John Frederick Tickle
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 GB4517961A priority Critical patent/GB972139A/en
Priority to SE1327262A priority patent/SE305882B/xx
Publication of GB972139A publication Critical patent/GB972139A/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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/321—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration deceleration
    • B60T8/3235—Systems specially adapted for rail vehicles
    • B60T8/3245—Systems specially adapted for rail vehicles responsive to the speed difference between wheels and rail, or between two wheels or two axles

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

972,139. Fluid-pressure brakes. GIRLING Ltd. Dec. 5, 1962 [Dec. 16, 1961], No. 45179/61. Heading F2F. In a braking system for rail vehicles the brakes are applied hydraulically by slave cylinders 18, 19 to which liquid under pressure is supplied from a master cylinder 12 actuated by a fluid-pressure actuator 10 of the vacuum-suspended diaphragm type and there is provided in the pipe-line between the master cylinder and the slave cylinder of the brakes on each axle of a vehicle a solenoid operated valve 16, 17 controlled by a skid detection device (not shown) which is sensitive to the rate of change of the rotational speed of the wheels. The valve 16 or 17 normally connects the appropriate slave cylinders 18 or 19, respectively to the master cylinder 12 but disconnects them from the master cylinder and connects them to a reservoir 13 via a return line 21 when the rate of change exceeds a predetermined value. An automatic hydraulic slack adjuster 15 may be provided in the pipe line 14 between the master cylinder and the slave cylinders. On operation of a control valve 16 or 17 by the skid detection device the slave cylinders 18 or 19 are put in communication with the reservoir 13 through a return line 21 containing a trap line pressure valve to maintain a pressure higher than the reservoir pressure on the exhaust side of the control valve 16 or 17.
GB4517961A 1961-12-16 1961-12-16 Improvements in brakes for rail vehicles Expired GB972139A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4517961A GB972139A (en) 1961-12-16 1961-12-16 Improvements in brakes for rail vehicles
SE1327262A SE305882B (en) 1961-12-16 1962-12-10

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4517961A GB972139A (en) 1961-12-16 1961-12-16 Improvements in brakes for rail vehicles

Publications (1)

Publication Number Publication Date
GB972139A true GB972139A (en) 1964-10-07

Family

ID=10436199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4517961A Expired GB972139A (en) 1961-12-16 1961-12-16 Improvements in brakes for rail vehicles

Country Status (2)

Country Link
GB (1) GB972139A (en)
SE (1) SE305882B (en)

Also Published As

Publication number Publication date
SE305882B (en) 1968-11-11

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