JPH01104853U - - Google Patents

Info

Publication number
JPH01104853U
JPH01104853U JP1987201557U JP20155787U JPH01104853U JP H01104853 U JPH01104853 U JP H01104853U JP 1987201557 U JP1987201557 U JP 1987201557U JP 20155787 U JP20155787 U JP 20155787U JP H01104853 U JPH01104853 U JP H01104853U
Authority
JP
Japan
Prior art keywords
valve
air supply
piston
spring
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.)
Pending
Application number
JP1987201557U
Other languages
English (en)
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 JP1987201557U priority Critical patent/JPH01104853U/ja
Priority to US07/278,387 priority patent/US4917148A/en
Priority to CA000587108A priority patent/CA1313686C/en
Publication of JPH01104853U publication Critical patent/JPH01104853U/ja
Pending legal-status Critical Current

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
    • 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
    • B60T8/1893—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 especially adapted for railway vehicles
    • 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
    • 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
    • B60T8/1837—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 load-detecting arrangements
    • B60T8/1843—Arrangements for detecting air spring 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)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Hydraulic Control Valves For Brake Systems (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図は従来の応荷重弁の１例を示す概略
縦断正面図、第５図は第４図の応荷重弁の空気ば
ね圧―出力空気圧特性を示すグラフである。 ３０……弁本体、３１……中間体、３２……ピ
ストン部、３３……第１ばね、３４……第２ばね
、３５……第１ばね調整手段、３６……第２ばね
調整手段、３７……第１ばね受、３８……第２ば
ね受、４１……給気室、４２……出力室、４３…
…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……ねじ（位置調節手段）
、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、６６……
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、９０……第２ばね受。

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
    、 前記給気室と給気孔と弁座と給気弁とを設けら
    れた中間体と、その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
    できるように設けた位置調節手段と、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、その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い同ピストンの膜板に
    端縁を対向させて配列固定された複数の第１フイ
    ンと、その第１フインの間に夫々位置するように
    弁本体内側に配列された複数の第２フインとを備
    え、第１フインの膜板側の端縁を結ぶ第１面と第
    ２フインの膜板側端縁を結ぶ第２面とが互いに交
    差するようにした鉄道車両用応荷重弁において、 一端が上記釣合ピストン側に当接しており、他
    端が上記制御ピストンの中心部を貫通して設けら
    れている第１ばね受を介して上記弁本体側に支持
    された第１ばねと、一端が上記釣合ピストン側に
    他端が第２ばね受を介して上記制御ピストン側に
    夫々支持された第２ばねと、第１ばねによる作用
    力を調整するように第１ばね受と上記弁本体側と
    の間に設けられた第１ばね調整手段と、第２ばね
    による作用力を調整するように第２ばね受と上記
    制御ピストン側との間に設けられた第２ばね調整
    手段と、 を設けたことを特徴とする鉄道車両用応荷重弁
    。
JP1987201557U 1987-12-29 1987-12-29 Pending JPH01104853U (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1987201557U JPH01104853U (ja) 1987-12-29 1987-12-29
US07/278,387 US4917148A (en) 1987-12-29 1988-12-01 Load dependent valve for railway vehicles
CA000587108A CA1313686C (en) 1987-12-29 1988-12-28 Load dependent valve for railway vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987201557U JPH01104853U (ja) 1987-12-29 1987-12-29

Publications (1)

Publication Number Publication Date
JPH01104853U true JPH01104853U (ja) 1989-07-14

Family

ID=16443024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987201557U Pending JPH01104853U (ja) 1987-12-29 1987-12-29

Country Status (3)

Country Link
US (1) US4917148A (ja)
JP (1) JPH01104853U (ja)
CA (1) CA1313686C (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020002962A (ja) * 2018-06-25 2020-01-09 ナブテスコ株式会社 圧力制御弁

Families Citing this family (8)

* 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
US6171081B1 (en) * 1998-02-17 2001-01-09 Keihin Corporation Fuel pump assembly
US6666528B1 (en) * 2002-08-28 2003-12-23 New York Air Brake Corporation Empty load device
CN106051213B (zh) * 2016-07-27 2018-01-30 眉山中车制动科技股份有限公司 一种铁路车辆用缓解调整阀
CN106352124B (zh) * 2016-08-30 2018-10-12 宁波亚德客自动化工业有限公司 定压阀
US10578221B2 (en) * 2016-10-11 2020-03-03 Precision Planting Llc Flow divider
CN115959105A (zh) * 2023-01-06 2023-04-14 中车制动系统有限公司 空重车阀及制动压力调节方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50118175A (ja) * 1974-03-01 1975-09-16
JPS59212582A (ja) * 1983-05-19 1984-12-01 アメリカン・スタンダ−ド・インコ−ポレイテツド 可調整型応荷弁

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4480663A (en) * 1982-09-13 1984-11-06 Wabco Fahrzeugbremsen Gmbh Pneumatic relay valve
US4724859A (en) * 1986-12-09 1988-02-16 Nippon Air Brake Co., Ltd. Self-lapping type valve device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50118175A (ja) * 1974-03-01 1975-09-16
JPS59212582A (ja) * 1983-05-19 1984-12-01 アメリカン・スタンダ−ド・インコ−ポレイテツド 可調整型応荷弁

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020002962A (ja) * 2018-06-25 2020-01-09 ナブテスコ株式会社 圧力制御弁

Also Published As

Publication number Publication date
CA1313686C (en) 1993-02-16
US4917148A (en) 1990-04-17

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