BR7101717D0 - Valvula de retencao da pressao do cilindro de freio - Google Patents

Valvula de retencao da pressao do cilindro de freio

Info

Publication number
BR7101717D0
BR7101717D0 BR1717/71A BR171771A BR7101717D0 BR 7101717 D0 BR7101717 D0 BR 7101717D0 BR 1717/71 A BR1717/71 A BR 1717/71A BR 171771 A BR171771 A BR 171771A BR 7101717 D0 BR7101717 D0 BR 7101717D0
Authority
BR
Brazil
Prior art keywords
cylinder pressure
brake cylinder
pressure retention
retention valve
valve
Prior art date
Application number
BR1717/71A
Other languages
English (en)
Inventor
Air Brake Co Westinghouse
Original Assignee
Air Brake Co Westinghouse
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 Air Brake Co Westinghouse filed Critical Air Brake Co Westinghouse
Publication of BR7101717D0 publication Critical patent/BR7101717D0/pt

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86718—Dividing into parallel flow paths with recombining
    • Y10T137/86734—With metering feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86718—Dividing into parallel flow paths with recombining
    • Y10T137/86743—Rotary
    • Y10T137/86751—Plug
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87378—Second valve assembly carried by first valve head
    • Y10T137/87394—Carried valve is direct response valve [e.g., check valve, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/87265—Dividing into parallel flow paths with recombining
    • Y10T137/87523—Rotary valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
BR1717/71A 1970-03-20 1971-03-19 Valvula de retencao da pressao do cilindro de freio BR7101717D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US2142970A 1970-03-20 1970-03-20

Publications (1)

Publication Number Publication Date
BR7101717D0 true BR7101717D0 (pt) 1973-05-17

Family

ID=21804180

Family Applications (1)

Application Number Title Priority Date Filing Date
BR1717/71A BR7101717D0 (pt) 1970-03-20 1971-03-19 Valvula de retencao da pressao do cilindro de freio

Country Status (4)

Country Link
US (1) US3653406A (pt)
BR (1) BR7101717D0 (pt)
CA (1) CA923788A (pt)
ZA (1) ZA71105B (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3794071A (en) * 1972-07-27 1974-02-26 Westinghouse Air Brake Co Ball type brake cylinder retainer valve
US3874409A (en) * 1973-03-29 1975-04-01 Lee Co Selector valve
DE2519211C2 (de) * 1975-04-30 1985-05-09 Honeywell-Braukmann GmbH, 6950 Mosbach Sicherheitsarmatur
DE2615009C2 (de) * 1976-04-07 1983-08-11 Fa. Ernst Flitsch, 7012 Fellbach Antrieb für einen Durchflußregelhahn
US4316485A (en) * 1979-06-18 1982-02-23 Stephen A. Young Corporation Single handle mixing valve with improved seat
US4688756A (en) * 1985-12-16 1987-08-25 Kindersely Peter G Single seat ball valve with bar spring biasing members
IL102028A (en) * 1992-05-27 1994-08-31 Ben Asher Eldad Brake release lock
US5228648A (en) * 1992-07-06 1993-07-20 Westinghouse Air Brake Company Railway freight brake retainer valve device
GB2291953B (en) * 1994-08-05 1998-02-25 Spirax Sarco Ltd Condensate traps
CA2182928A1 (en) * 1996-05-29 1997-11-30 Lawrence R. Streitman Improved resilient type sealing member for sealing a push rod member of a railway type vehicle brake cylinder
US6164328A (en) * 1997-11-14 2000-12-26 New York Air Brake Corporation Three position retaining valve
CA2569602A1 (en) * 2004-06-07 2005-12-22 Haim Shnider Rotary valve
DE102014111686A1 (de) * 2014-08-15 2016-02-18 Illinois Tool Works Inc. Thermostatventil und Verfahren zum Betreiben eines Thermostatventils
US10421448B2 (en) * 2017-05-26 2019-09-24 Amsted Rail Company, Inc. Retaining valve for a rail car brake system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1546477A (en) * 1923-06-18 1925-07-21 Westinghouse Air Brake Co Pressure-retaining-valve device
US2204796A (en) * 1939-03-23 1940-06-18 Westinghouse Air Brake Co Retaining valve device
US2257886A (en) * 1940-05-23 1941-10-07 Ervin H Mueller Gas cock
GB646516A (en) * 1943-07-27 1950-11-22 Parker Appliance Co Improvement in sealing or closure element for valves
US2685427A (en) * 1949-01-26 1954-08-03 Kendick Mfg Company Inc Valve and valve seal therefor
US3406943A (en) * 1965-09-29 1968-10-22 Westinghouse Air Brake Co Rotary valve device with coacting camming surfaces
US3516638A (en) * 1968-10-31 1970-06-23 Spraying Systems Co Flow diverter ball valve
DE1930733A1 (de) * 1969-06-18 1970-01-15 Katsuji Fujiwara Kugelhahn

Also Published As

Publication number Publication date
CA923788A (en) 1973-04-03
ZA71105B (en) 1971-10-27
US3653406A (en) 1972-04-04

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