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
Authority: BR; Brazil
Prior art keywords: check valve; valve device; railway car; fast operating; operating check
Prior art date: 1993-10-06

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.)

1993-10-06

Filing date

1994-10-04

Publication date

1995-06-06

1994-10-04 Application filed by Westinghouse Air Brake Co filed Critical Westinghouse Air Brake Co

1995-06-06 Publication of BR9403670A publication Critical patent/BR9403670A/pt

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
US5924774A (en) *	1995-11-30	1999-07-20	Zeftron, Inc.	Electronic pneumatic brake system
US5722736A (en) *	1995-11-30	1998-03-03	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

1993
- 1993-10-06 US US08/132,261 patent/US5326159A/en not_active Expired - Lifetime
1994
- 1994-03-21 CA CA002119546A patent/CA2119546C/en not_active Expired - Lifetime
- 1994-03-31 AU AU59236/94A patent/AU662264B2/en not_active Expired
- 1994-10-04 BR BR9403670A patent/BR9403670A/pt not_active IP Right Cessation

Also Published As

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

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Legal Events

Date	Code	Title	Description
1996-08-06	EE	Request for examination
1998-06-09	FF	Decision: intention to grant
1998-11-24	FG9A	Patent or certificate of addition granted
2010-06-22	B24C	Patent annual fee: request for for restoration	Free format text: REFERENTE A 9A,10A,11A,12A,13A,14A E 15A ANUIDADES
2013-09-10	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.