ZA782249B - Emergency portion for brake control valve - Google Patents

Emergency portion for brake control valve

Info

Publication number
ZA782249B
ZA782249B ZA00782249A ZA782249A ZA782249B ZA 782249 B ZA782249 B ZA 782249B ZA 00782249 A ZA00782249 A ZA 00782249A ZA 782249 A ZA782249 A ZA 782249A ZA 782249 B ZA782249 B ZA 782249B
Authority
ZA
South Africa
Prior art keywords
control valve
brake control
emergency portion
emergency
brake
Prior art date
Application number
ZA00782249A
Other languages
English (en)
Inventor
J Hart
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
Priority to BR7806287A priority Critical patent/BR7806287A/pt
Publication of ZA782249B publication Critical patent/ZA782249B/xx

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
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
ZA00782249A 1977-10-05 1978-04-19 Emergency portion for brake control valve ZA782249B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BR7806287A BR7806287A (pt) 1977-10-05 1978-09-25 Dispositivo de valvula de emergencia

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/839,719 US4125293A (en) 1977-10-05 1977-10-05 Emergency portion for brake control valve

Publications (1)

Publication Number Publication Date
ZA782249B true ZA782249B (en) 1979-04-25

Family

ID=25280478

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00782249A ZA782249B (en) 1977-10-05 1978-04-19 Emergency portion for brake control valve

Country Status (9)

Country Link
US (1) US4125293A (pm)
JP (2) JPS5459711A (pm)
AR (1) AR218678A1 (pm)
AU (1) AU521604B2 (pm)
CA (1) CA1081287A (pm)
GB (1) GB1587479A (pm)
IN (1) IN150954B (pm)
MX (1) MX146693A (pm)
ZA (1) ZA782249B (pm)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4830438A (en) * 1988-08-17 1989-05-16 American Standard Inc. Freight brake emergency valve
JPH05155327A (ja) * 1991-12-05 1993-06-22 Railway Technical Res Inst 電磁自動空気ブレーキ方式及び装置
US5390988A (en) * 1993-02-02 1995-02-21 Duluth & Iron Range Co., Inc. Air brake pilot adaptor
CA2088796C (en) * 1992-02-04 2002-05-21 Donald B. Shank Air brake pilot adaptor
US7832327B2 (en) * 2007-12-07 2010-11-16 Fisher Controls International Llc Ring sealed diaphragm
WO2012119055A1 (en) * 2011-03-02 2012-09-07 New York Air Brake Corporation Emergency portion of a pneumatic brake control valve

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2031213A (en) * 1931-01-09 1936-02-18 Westinghouse Air Brake Co Fluid pressure brake
US4045095A (en) * 1976-06-25 1977-08-30 Westinghouse Air Brake Company Emergency portion for brake control valve

Also Published As

Publication number Publication date
CA1081287A (en) 1980-07-08
JPS59128457U (ja) 1984-08-29
US4125293A (en) 1978-11-14
AR218678A1 (es) 1980-06-30
JPH019725Y2 (pm) 1989-03-17
MX146693A (es) 1982-07-30
JPS5459711A (en) 1979-05-14
AU4009978A (en) 1980-03-27
AU521604B2 (en) 1982-04-22
GB1587479A (en) 1981-04-01
IN150954B (pm) 1983-01-29

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