CA2014686A1 - Valve d'event - Google Patents

Valve d'event

Info

Publication number
CA2014686A1
CA2014686A1 CA2014686A CA2014686A CA2014686A1 CA 2014686 A1 CA2014686 A1 CA 2014686A1 CA 2014686 A CA2014686 A CA 2014686A CA 2014686 A CA2014686 A CA 2014686A CA 2014686 A1 CA2014686 A1 CA 2014686A1
Authority
CA
Canada
Prior art keywords
piston
pilot
pilot chamber
valve
vent 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.)
Granted
Application number
CA2014686A
Other languages
English (en)
Other versions
CA2014686C (fr
Inventor
James E. Hart
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
Publication of CA2014686A1 publication Critical patent/CA2014686A1/fr
Application granted granted Critical
Publication of CA2014686C publication Critical patent/CA2014686C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B60T15/36—Other control devices or valves characterised by definite functions
    • B60T15/42—Other control devices or valves characterised by definite functions with a quick braking action, i.e. with accelerating valves actuated by brake-pipe pressure variation

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
CA002014686A 1989-07-11 1990-04-17 Valve d'event Expired - Lifetime CA2014686C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US378,358 1989-07-11
US07/378,358 US4974911A (en) 1989-07-11 1989-07-11 Vent valve device

Publications (2)

Publication Number Publication Date
CA2014686A1 true CA2014686A1 (fr) 1991-01-11
CA2014686C CA2014686C (fr) 1997-01-21

Family

ID=23492822

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002014686A Expired - Lifetime CA2014686C (fr) 1989-07-11 1990-04-17 Valve d'event

Country Status (3)

Country Link
US (1) US4974911A (fr)
CA (1) CA2014686C (fr)
ZA (1) ZA903963B (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5096266A (en) * 1991-02-08 1992-03-17 Westinghouse Air Brake Company Dual-response vent valve device
US5190359A (en) * 1992-02-25 1993-03-02 Pulse Electronics, Incorporated Pressure relief valve for railway brake emergency systems
US5350222A (en) * 1993-05-10 1994-09-27 Westinghouse Air Brake Company Auxiliary stabilizer valve for VX vent valve
US5501513A (en) * 1994-11-15 1996-03-26 New York Air Brake Corporation Emergency vent valve
US6318812B1 (en) 2000-09-13 2001-11-20 New York Air Brake Corporation Vent valve for electropneumatic brake control valve
US8919892B2 (en) * 2007-11-08 2014-12-30 New York Air Brake Corporation Brake pipe vent valve for locomotive brake system
US20090229932A1 (en) * 2008-03-11 2009-09-17 New York Air Brake Brake pipe vent valve for locomotive brake system
CN109562667B (zh) 2016-12-16 2022-08-09 威伯科欧洲有限责任公司 压缩空气供应系统和用以操作压缩空气供应系统的方法
CN111646434B (zh) * 2020-07-10 2024-04-05 慨迩医疗科技(成都)有限公司 一种用于便携式制氧机的集成截止阀的分子筛床排气端盖

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3165115A (en) * 1962-08-16 1965-01-12 Westinghouse Air Brake Co Vent valve device
US4025126A (en) * 1976-01-19 1977-05-24 Westinghouse Air Brake Company Brake control valve device with movable control reservoir charging valve
US4026609A (en) * 1976-08-26 1977-05-31 Westinghouse Air Brake Company Pressure reduction and pressure reduction rate sensitive emergency vent valve
US4043604A (en) * 1976-11-11 1977-08-23 Westinghouse Air Brake Company Emergency portion for a brake control valve

Also Published As

Publication number Publication date
ZA903963B (en) 1991-03-27
CA2014686C (fr) 1997-01-21
US4974911A (en) 1990-12-04

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Legal Events

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