JPS5636100B2 - - Google Patents

Info

Publication number
JPS5636100B2
JPS5636100B2 JP13593978A JP13593978A JPS5636100B2 JP S5636100 B2 JPS5636100 B2 JP S5636100B2 JP 13593978 A JP13593978 A JP 13593978A JP 13593978 A JP13593978 A JP 13593978A JP S5636100 B2 JPS5636100 B2 JP S5636100B2
Authority
JP
Japan
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
JP13593978A
Other versions
JPS5475711A (en
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 filed Critical
Publication of JPS5475711A publication Critical patent/JPS5475711A/ja
Publication of JPS5636100B2 publication Critical patent/JPS5636100B2/ja
Granted 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
    • 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
    • B60T15/00—Construction arrangement, or operation of valves incorporated in power brake systems and not covered by groups B60T11/00 or B60T13/00
    • B60T15/02—Application and release valves
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • B60T15/24—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere controlled by three fluid pressures

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Braking Systems And Boosters (AREA)
  • Regulating Braking Force (AREA)
JP13593978A 1977-11-09 1978-11-06 Fluid pressure control valve Granted JPS5475711A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/849,821 US4125294A (en) 1977-11-09 1977-11-09 Fluid pressure control valve device arranged for fail-safe operation

Publications (2)

Publication Number Publication Date
JPS5475711A JPS5475711A (en) 1979-06-16
JPS5636100B2 true JPS5636100B2 (ja) 1981-08-21

Family

ID=25306601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13593978A Granted JPS5475711A (en) 1977-11-09 1978-11-06 Fluid pressure control valve

Country Status (4)

Country Link
US (1) US4125294A (ja)
JP (1) JPS5475711A (ja)
CA (1) CA1075737A (ja)
ZA (1) ZA782263B (ja)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192118A (en) * 1991-06-06 1993-03-09 Westinghouse Air Brake Company Electro-pneumatic locomotive brake control system
US5358315A (en) * 1993-04-01 1994-10-25 Westinghouse Air Brake Company Microprocessor-based electropneumatic locomotive brake control system having pneumatic backup brake control
US9333959B2 (en) * 2012-04-03 2016-05-10 Wabtec Holding Corp. Brake cylinder maintaining valve
US10112594B2 (en) * 2015-09-23 2018-10-30 Amsted Rail Company, Inc. Brake cylinder pressure maintenance valves for freight car brake equipment
US9925969B2 (en) 2016-03-07 2018-03-27 Westinghouse Air Brake Technologies Corporation Cut-off valve and hot wheel protection valve arrangement
MX2018001993A (es) * 2016-03-07 2018-05-28 Westinghouse Air Brake Tech Corp Valvula de mantenimiento del cilindro del freno.
US10059320B2 (en) * 2017-01-25 2018-08-28 Westinghouse Air Brake Technologies Corporation Automatic retainer valve
US10647309B2 (en) 2017-12-08 2020-05-12 Westinghouse Air Brake Technologies Corporation Quick Service Limiting Valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025126A (en) * 1976-01-19 1977-05-24 Westinghouse Air Brake Company Brake control valve device with movable control reservoir charging valve
US4043605A (en) * 1977-01-10 1977-08-23 Westinghouse Air Brake Company Emergency portion for a brake control valve

Also Published As

Publication number Publication date
CA1075737A (en) 1980-04-15
ZA782263B (en) 1979-04-25
US4125294A (en) 1978-11-14
JPS5475711A (en) 1979-06-16

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