BR9302535A - Dispositivo de valvula de retencao de pressao para cilindro de freio - Google Patents

Dispositivo de valvula de retencao de pressao para cilindro de freio

Info

Publication number
BR9302535A
BR9302535A BR9302535A BR9302535A BR9302535A BR 9302535 A BR9302535 A BR 9302535A BR 9302535 A BR9302535 A BR 9302535A BR 9302535 A BR9302535 A BR 9302535A BR 9302535 A BR9302535 A BR 9302535A
Authority
BR
Brazil
Prior art keywords
check valve
valve device
brake cylinder
pressure check
pressure
Prior art date
Application number
BR9302535A
Other languages
English (en)
Inventor
Ulf Stahmer
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 BR9302535A publication Critical patent/BR9302535A/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
    • B60T15/54—Other control devices or valves characterised by definite functions for controlling exhaust from triple valve or from brake cylinder

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
BR9302535A 1992-07-06 1993-07-26 Dispositivo de valvula de retencao de pressao para cilindro de freio BR9302535A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/909,339 US5228648A (en) 1992-07-06 1992-07-06 Railway freight brake retainer valve device

Publications (1)

Publication Number Publication Date
BR9302535A true BR9302535A (pt) 1994-03-01

Family

ID=25427063

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9302535A BR9302535A (pt) 1992-07-06 1993-07-26 Dispositivo de valvula de retencao de pressao para cilindro de freio

Country Status (5)

Country Link
US (1) US5228648A (pt)
AU (1) AU658754B2 (pt)
BR (1) BR9302535A (pt)
CA (1) CA2090383C (pt)
ZA (1) ZA932917B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3351164B2 (ja) * 1995-03-24 2002-11-25 日本ビクター株式会社 光学的情報記録媒体の製造方法
US6164328A (en) * 1997-11-14 2000-12-26 New York Air Brake Corporation Three position retaining valve
US6138715A (en) * 1998-12-04 2000-10-31 New York Air Brake Corporation One-piece ballkey
US20080163940A1 (en) * 2007-01-09 2008-07-10 Kuching International Ltd. Water separator structure
CN105805381B (zh) * 2014-12-31 2018-11-30 无锡纵阳气动制造有限公司 一种带单向阀的铁路列车防滑排风阀

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1287007A (en) * 1916-07-03 1918-12-10 John O Harrison Air-brake-exhaust reducer.
US3014489A (en) * 1958-03-17 1961-12-26 Whirlpool Co Gas valve
US3407010A (en) * 1965-08-18 1968-10-22 Westinghouse Air Brake Co Brake cylinder pressure retaining valve
US3406720A (en) * 1965-09-16 1968-10-22 Westinghouse Air Brake Co Variable pressure retainer device for brake cylinders
US3532116A (en) * 1968-09-03 1970-10-06 Westinghouse Air Brake Co Brake cylinder pressure retaining valve
US3532117A (en) * 1968-09-03 1970-10-06 Westinghouse Air Brake Co Brake cylinder pressure retaining valve
US3653406A (en) * 1970-03-20 1972-04-04 Westinghouse Air Brake Co Brake cylinder pressure retaining valve
CH542695A (de) * 1971-03-22 1973-11-30 Devac Ab Schlagwerkzeug
US3794071A (en) * 1972-07-27 1974-02-26 Westinghouse Air Brake Co Ball type brake cylinder retainer valve
DE2721331A1 (de) * 1977-05-12 1978-11-23 Knorr Bremse Gmbh Rueckhalteventil fuer einloesige bremsen

Also Published As

Publication number Publication date
CA2090383C (en) 1996-11-12
AU658754B2 (en) 1995-04-27
ZA932917B (en) 1993-11-22
US5228648A (en) 1993-07-20
CA2090383A1 (en) 1994-01-27
AU4174893A (en) 1994-01-27

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Legal Events

Date Code Title Description
EE Request for examination
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
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 11A,12A,13A,14A,15A,16A E 17A ANUIDADES.

B24H Lapse because of non-payment of annual fees (definitively: art 78 iv lpi)
B24F Patent annual fee: publication cancelled

Free format text: ANULADA A PUBLICACAO CODIGO 24.8 NA RPI NO 2277 DE 26/08/2014 POR TER SIDO INDEVIDA.

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

Free format text: REFERENTE AS 11A, 12A, 13A, 14A, 15A, 16A E 17A ANUIDADES.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2606 DE 15-12-2020 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.