CA1042487A - Brake control valve device with movable control reservoir charging valve - Google Patents

Brake control valve device with movable control reservoir charging valve

Info

Publication number
CA1042487A
CA1042487A CA269,444A CA269444A CA1042487A CA 1042487 A CA1042487 A CA 1042487A CA 269444 A CA269444 A CA 269444A CA 1042487 A CA1042487 A CA 1042487A
Authority
CA
Canada
Prior art keywords
valve
brake
pressure
abutment
fluid
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
CA269,444A
Other languages
English (en)
French (fr)
Inventor
Richard L. Wilson
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
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 Air Brake Co filed Critical Westinghouse Air Brake Co
Application granted granted Critical
Publication of CA1042487A publication Critical patent/CA1042487A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
  • Regulating Braking Force (AREA)
CA269,444A 1976-01-19 1977-01-11 Brake control valve device with movable control reservoir charging valve Expired CA1042487A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/650,297 US4025126A (en) 1976-01-19 1976-01-19 Brake control valve device with movable control reservoir charging valve

Publications (1)

Publication Number Publication Date
CA1042487A true CA1042487A (en) 1978-11-14

Family

ID=24608306

Family Applications (1)

Application Number Title Priority Date Filing Date
CA269,444A Expired CA1042487A (en) 1976-01-19 1977-01-11 Brake control valve device with movable control reservoir charging valve

Country Status (7)

Country Link
US (1) US4025126A (enExample)
JP (1) JPS5288912A (enExample)
BR (1) BR7700184A (enExample)
CA (1) CA1042487A (enExample)
GB (1) GB1518918A (enExample)
MX (1) MX143972A (enExample)
ZA (1) ZA764094B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4125294A (en) * 1977-11-09 1978-11-14 Westinghouse Air Brake Company Fluid pressure control valve device arranged for fail-safe operation
US4163587A (en) * 1977-12-08 1979-08-07 Wabco Westinghouse Pneumatic railway braking distributor
DE3127775A1 (de) * 1981-07-14 1983-02-03 Knorr-Bremse GmbH, 8000 München "betriebsbremsbeschleuniger fuer schienenfahrzeug-druckluftbremsanlagen"
US4558907A (en) * 1984-08-20 1985-12-17 American Standard Inc. Control valve device arranged for direct or graduated release operation
US4678241A (en) * 1985-03-11 1987-07-07 Nippon Air Brake Co., Ltd. Equalizer discharge valve for a railroad car air brake system
US4842341A (en) * 1988-05-12 1989-06-27 General Signal Corporation Brake pipe pressure modulating valve device
US4974911A (en) * 1989-07-11 1990-12-04 American Standard Inc. Vent valve device
US5207482A (en) * 1991-07-29 1993-05-04 Westinghouse Air Brake Company Vent valve device having disabling means
DE10149847A1 (de) * 2001-10-10 2003-04-17 Continental Teves Ag & Co Ohg Bremssystem mit einem Filter, welcher bei niedrigen Temperaturen überbrückbar ist
US8123309B2 (en) * 2007-10-23 2012-02-28 New York Air Brake Corporation Dual seal brake control valve
US9333959B2 (en) * 2012-04-03 2016-05-10 Wabtec Holding Corp. Brake cylinder maintaining valve
US9925969B2 (en) 2016-03-07 2018-03-27 Westinghouse Air Brake Technologies Corporation Cut-off valve and hot wheel protection valve arrangement
WO2017155934A1 (en) * 2016-03-07 2017-09-14 Westinghouse Air Brake Technologies Corporation Brake cylinder maintaining valve
US10647309B2 (en) 2017-12-08 2020-05-12 Westinghouse Air Brake Technologies Corporation Quick Service Limiting Valve
AT521879B1 (de) * 2018-10-16 2021-11-15 Siemens Mobility Austria Gmbh Pneumatische Bremse für ein Schienenfahrzeug

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US141685A (en) * 1873-08-12 Improvement in valve devices for fluid-brakes
US1919423A (en) * 1931-10-16 1933-07-25 Westinghouse Air Brake Co Fluid pressure brake
US2457578A (en) * 1944-05-31 1948-12-28 Westinghouse Air Brake Co Choke fitting
US2992861A (en) * 1959-04-27 1961-07-18 Westinghouse Air Brake Co Brake controlling valve device
US3639010A (en) * 1969-12-15 1972-02-01 Westinghouse Air Brake Co Fluid pressure and dynamic brake interlock valve with variable load control

Also Published As

Publication number Publication date
MX143972A (es) 1981-08-12
US4025126A (en) 1977-05-24
ZA764094B (en) 1977-06-29
JPS5288912A (en) 1977-07-26
GB1518918A (en) 1978-07-26
BR7700184A (pt) 1977-09-06
JPS5546900B2 (enExample) 1980-11-27

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