GB754153A - Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus - Google Patents

Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus

Info

Publication number
GB754153A
GB754153A GB980354A GB980354A GB754153A GB 754153 A GB754153 A GB 754153A GB 980354 A GB980354 A GB 980354A GB 980354 A GB980354 A GB 980354A GB 754153 A GB754153 A GB 754153A
Authority
GB
United Kingdom
Prior art keywords
pipe
brakes
indication
compressed air
automatic
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
GB980354A
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal 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 Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Priority to GB980354A priority Critical patent/GB754153A/en
Publication of GB754153A publication Critical patent/GB754153A/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
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18—Safety devices; Monitoring
    • B60T17/20—Safety devices operable by passengers other than the driver, e.g. for railway vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Systems And Boosters (AREA)

Abstract

754,153. Fluid pressure railway brakes. WESTINGHOUSE BRAKE & SIGNAL CO., Ltd., and SIMMONS, A. W. March 11, 1955 [April 2, 1954], No. 9803/54. Class 103 (1). In a compressed air brake system for railway vehicles of the kind described in Specification 745,105, wherein an indication is given to the driver when a train approaches an adverse signal, and in which automatic application of the brakes is made at the end of a predetermined interval after the giving of the indication, if the driver does not acknowledge the indication within that interval by operating a cancelling lever, the re-energization of a normally energized electric circuit, which enables the brakes to be released after being thus applied, is arranged to be automatically delayed for a predetermined interval of time. This form of operation is provided by a switch device 8 controlled by a piston having the space 41 above it at the brake pipe pressure in the pipe 22 leading to the emergency application valve 7 and the space 42 below it in connection with a timing reservoir 9 and with pipe 22 by a restriction 35. When the emergency valve 7 is opened, it connects pipe 22 to atmosphere so that due to restriction 35 a pressure differential is created across the piston 38 which tends to maintain the switch 36 open for a predetermined period long enough to permit the train to come to a stop.
GB980354A 1954-04-02 1954-04-02 Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus Expired GB754153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB980354A GB754153A (en) 1954-04-02 1954-04-02 Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB980354A GB754153A (en) 1954-04-02 1954-04-02 Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus

Publications (1)

Publication Number Publication Date
GB754153A true GB754153A (en) 1956-08-01

Family

ID=9879078

Family Applications (1)

Application Number Title Priority Date Filing Date
GB980354A Expired GB754153A (en) 1954-04-02 1954-04-02 Improvements relating to systems for the automatic application of compressed air brakes for railway vehicles under the control of automatic train control apparatus

Country Status (1)

Country Link
GB (1) GB754153A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007126579A1 (en) 2006-03-28 2007-11-08 Wabtec Holding Corp. Pneumatic timer for delaying the application of an emergency braking pressure
US9404389B2 (en) 2013-09-24 2016-08-02 General Electric Company Passive cooling system for control valve actuators within a negative pressure turbine enclosure using ambient cooling air
US9429036B2 (en) 2013-09-24 2016-08-30 General Electric Company Cooling system for control valve actuators

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007126579A1 (en) 2006-03-28 2007-11-08 Wabtec Holding Corp. Pneumatic timer for delaying the application of an emergency braking pressure
US7520574B2 (en) 2006-03-28 2009-04-21 Wabtec Holding Corporation Pneumatic emergency brake release timer
US9404389B2 (en) 2013-09-24 2016-08-02 General Electric Company Passive cooling system for control valve actuators within a negative pressure turbine enclosure using ambient cooling air
US9429036B2 (en) 2013-09-24 2016-08-30 General Electric Company Cooling system for control valve actuators

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