JPH0190662U - - Google Patents

Info

Publication number
JPH0190662U
JPH0190662U JP1987186765U JP18676587U JPH0190662U JP H0190662 U JPH0190662 U JP H0190662U JP 1987186765 U JP1987186765 U JP 1987186765U JP 18676587 U JP18676587 U JP 18676587U JP H0190662 U JPH0190662 U JP H0190662U
Authority
JP
Japan
Prior art keywords
valve
piston
air supply
air
chamber
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
JP1987186765U
Other languages
English (en)
Other versions
JPH0355482Y2 (ja
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 filed Critical
Priority to JP1987186765U priority Critical patent/JPH0355482Y2/ja
Priority to US07/278,518 priority patent/US4883089A/en
Priority to CA000585164A priority patent/CA1309743C/en
Publication of JPH0190662U publication Critical patent/JPH0190662U/ja
Application granted granted Critical
Publication of JPH0355482Y2 publication Critical patent/JPH0355482Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/14—Control of fluid pressure with auxiliary non-electric power
    • G05D16/18—Control of fluid pressure with auxiliary non-electric power derived from an external source
    • G05D16/185—Control of fluid pressure with auxiliary non-electric power derived from an external source using membranes within the main valve
    • 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
    • B60T15/18—Triple or other relay valves which allow step-wise application or release and which are actuated by brake-pipe pressure variation to connect brake cylinders or equivalent to compressed air or vacuum source or atmosphere
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/18—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution
    • B60T8/1812—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle weight or load, e.g. load distribution characterised by the means for pressure reduction
    • B60T8/1825—Means for changing the diaphragm area submitted to pressure
    • 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
    • Y10T137/2278—Pressure modulating relays or followers
    • Y10T137/2409—With counter-balancing pressure feedback to the modulating device
    • 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
    • Y10T137/86919—Sequentially closing and opening alternately seating flow controllers
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87217—Motor
    • Y10T137/87225—Fluid motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の第１実施例の構成を示す縦
断正面図、第２図は第１図のＡ―Ａ断面部分図、
第３図はこの考案の第２実施例の主要部分縦断正
面図、第４図は従来の中継弁の１例を示す概略縦
断正面図である。 ３０……弁本体、３１……中間体、３２……ピ
ストン部、４１……給気室、４２……出力室、４
３……排気室、４４……給気弁、４５……排気弁
棒、４６……釣合ピストン、４７……制御ピスト
ン、４８……内孔、４９……給気孔、５０……弁
座、５１……弁ばね、５７……通路、５８……戻
しばね、５９……内孔、６０……釣合ピストン本
体部、６１……制御ピストン本体部、６２……釣
合ピストンの膜板、６３……制御ピストンの膜板
、６４……第１フイン、６５……第２フイン、６
６……先端、６７……排気孔、６９……釣合室、
７０……指令室、７２……排気通路、７３……指
令通路、７４……第１フインの端縁、７５……第
２フインの端縁、７９……第１フイン、８０……
第２フイン、８１，８３……第１フインの端縁、
８２，８４……第２フインの端縁。

Claims (1)

  1. 【実用新案登録請求の範囲】 圧力空気源に接続される給気室と、出力通路に
    接続される出力室と、大気に開放された排気室と
    、前記給気室を出力室に連通する給気孔の給気室
    側に設けられた弁座と、該弁座に着座するように
    ばね付勢された給気弁と、該給気弁にその先端が
    対向して前記給気孔に遊嵌すると共にその先端に
    一方が開口し他方が前記排気室に開口する排気孔
    を有する排気弁棒と、外縁を弁本体内側に固定さ
    れた制御ピストン膜板の中央部が制御ピストン本
    体部に固定され指令空気圧を受けて前記排気弁棒
    を給気弁方向へ移動させる指令力を発生する制御
    ピストンと、外縁を弁本体内側に固定された釣合
    ピストン膜板の中央部が釣合ピストン本体部の周
    囲に固定され前記出力室の空気圧を受けて前記指
    令力に対抗する釣合力を発生する釣合ピストンと
    、を備えた鉄道車両用圧力制御弁において、 前記給気室と給気孔と弁座と給気弁とを中間体
    に設け、該中間体を前記排気弁棒の移動方向に移
    動するようにかつ任意の移動位置に固定できるよ
    うに設け、 前記両ピストンの少なくとも一方のピストンの
    前記空気圧を受ける側の反対側を前記空気圧の最
    低値以下の低圧とし、該ピストンのピストン本体
    部の低圧側の周囲にその移動方向に沿う複数の第
    １フインを同ピストンの膜板に端縁を対向させて
    配列固定し、該第１フインの間に夫々位置する複
    数の第２フインを弁本体内側に配列固定して、第
    １フインの膜板側の端縁を結ぶ第１面と第２フイ
    ンの膜板側の端縁を結ぶ第２面とが互いに交差す
    るようにした、 ことを特徴とする鉄道車両用圧力制御弁。
JP1987186765U 1987-12-08 1987-12-08 Expired JPH0355482Y2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1987186765U JPH0355482Y2 (ja) 1987-12-08 1987-12-08
US07/278,518 US4883089A (en) 1987-12-08 1988-12-01 Railway car pressure control valves
CA000585164A CA1309743C (en) 1987-12-08 1988-12-07 Railway car pressure control valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987186765U JPH0355482Y2 (ja) 1987-12-08 1987-12-08

Publications (2)

Publication Number Publication Date
JPH0190662U true JPH0190662U (ja) 1989-06-14
JPH0355482Y2 JPH0355482Y2 (ja) 1991-12-10

Family

ID=16194240

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987186765U Expired JPH0355482Y2 (ja) 1987-12-08 1987-12-08

Country Status (3)

Country Link
US (1) US4883089A (ja)
JP (1) JPH0355482Y2 (ja)
CA (1) CA1309743C (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2506155Y2 (ja) * 1990-09-26 1996-08-07 株式会社ナブコ 圧力制御弁
JPH0457478U (ja) * 1990-09-26 1992-05-18
RU2301163C1 (ru) * 2005-12-30 2007-06-20 Зао "Нпп Тормо" Устройство мягкости воздухораспределителя тормоза железнодорожного транспортного средства
JP5588906B2 (ja) * 2011-03-30 2014-09-10 アズビル株式会社 パイロットリレー
CN107839679B (zh) * 2017-12-05 2024-08-23 英利新能源(宁夏)有限公司 一种机车紧急制动阀
CN114771596B (zh) * 2022-04-22 2024-05-24 中国国家铁路集团有限公司 可进行多级压力输出的中继阀及轨道车辆制动系统

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2716017A (en) * 1952-08-28 1955-08-23 Grinnell Corp Diaphragm valves
US2825361A (en) * 1955-01-20 1958-03-04 Exxon Research Engineering Co Variable ratio valve
US2958337A (en) * 1956-12-28 1960-11-01 Westinghouse Air Brake Co Fluid pressure regulating valve device for supplying graduated delivery pressure according to the supply pressure
US3018136A (en) * 1960-03-21 1962-01-23 Power Brake Equipment Company Adjustable differential air pressure relay
US4724859A (en) * 1986-12-09 1988-02-16 Nippon Air Brake Co., Ltd. Self-lapping type valve device

Also Published As

Publication number Publication date
JPH0355482Y2 (ja) 1991-12-10
US4883089A (en) 1989-11-28
CA1309743C (en) 1992-11-03

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