BR9403670A - Dispositivo de válvula de retenção de operação rápida para um vagão ferroviário - Google Patents

Dispositivo de válvula de retenção de operação rápida para um vagão ferroviário

Info

Publication number
BR9403670A
BR9403670A BR9403670A BR9403670A BR9403670A BR 9403670 A BR9403670 A BR 9403670A BR 9403670 A BR9403670 A BR 9403670A BR 9403670 A BR9403670 A BR 9403670A BR 9403670 A BR9403670 A BR 9403670A
Authority
BR
Brazil
Prior art keywords
check valve
valve device
railway car
fast operating
operating check
Prior art date
Application number
BR9403670A
Other languages
English (en)
Inventor
James E Hart
Edward W Gaughan
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 BR9403670A publication Critical patent/BR9403670A/pt

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)
  • Braking Systems And Boosters (AREA)
BR9403670A 1993-10-06 1994-10-04 Dispositivo de válvula de retenção de operação rápida para um vagão ferroviário BR9403670A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/132,261 US5326159A (en) 1993-10-06 1993-10-06 Quick service limiting valve for freight brake control valve device

Publications (1)

Publication Number Publication Date
BR9403670A true BR9403670A (pt) 1995-06-06

Family

ID=22453196

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9403670A BR9403670A (pt) 1993-10-06 1994-10-04 Dispositivo de válvula de retenção de operação rápida para um vagão ferroviário

Country Status (4)

Country Link
US (1) US5326159A (pt)
AU (1) AU662264B2 (pt)
BR (1) BR9403670A (pt)
CA (1) CA2119546C (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5722736A (en) * 1995-11-30 1998-03-03 Zeftron, Inc. Electronic pneumatic brake system
US5924774A (en) * 1995-11-30 1999-07-20 Zeftron, Inc. Electronic pneumatic brake system
US6017098A (en) * 1998-03-10 2000-01-25 Westinghouse Air Brake Company Brake pipe control portion to enhance operation under low main reservoir pressure conditions
US6132009A (en) * 1998-07-23 2000-10-17 Westinghouse Air Brake Company Remote brake application valve
US9333959B2 (en) 2012-04-03 2016-05-10 Wabtec Holding Corp. Brake cylinder maintaining valve
FR2999134B1 (fr) * 2012-12-10 2015-02-20 Faiveley Transp Amiens Distributeur pneumatique de freinage pour vehicule ferroviaire
US9321446B2 (en) 2013-09-05 2016-04-26 New York Air Brake Corporation Differential relay type 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
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
AU411917B2 (en) * 1967-11-27 1971-03-31 Quick service triple valve
US4819993A (en) * 1987-11-05 1989-04-11 American Standard Inc. Freight brake control valve device having improved quick service function

Also Published As

Publication number Publication date
CA2119546C (en) 1998-07-14
AU5923694A (en) 1995-05-11
CA2119546A1 (en) 1995-04-07
AU662264B2 (en) 1995-08-24
US5326159A (en) 1994-07-05

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Legal Events

Date Code Title Description
EE Request for examination
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 9A,10A,11A,12A,13A,14A E 15A ANUIDADES

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 2059 DE 22/06/2010 E AO NAO RECOLHIMENTO DA 16A, 17A, 18A E 19A ANUIDADES.