JPH02102001U - - Google Patents

Info

Publication number
JPH02102001U
JPH02102001U JP1989011585U JP1158589U JPH02102001U JP H02102001 U JPH02102001 U JP H02102001U JP 1989011585 U JP1989011585 U JP 1989011585U JP 1158589 U JP1158589 U JP 1158589U JP H02102001 U JPH02102001 U JP H02102001U
Authority
JP
Japan
Prior art keywords
valve
main valve
inner hole
piston
valve seat
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
JP1989011585U
Other languages
English (en)
Other versions
JPH083682Y2 (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 JP1989011585U priority Critical patent/JPH083682Y2/ja
Priority to KR1019890017084A priority patent/KR0149159B1/ko
Publication of JPH02102001U publication Critical patent/JPH02102001U/ja
Application granted granted Critical
Publication of JPH083682Y2 publication Critical patent/JPH083682Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)

Description

【図面の簡単な説明】
第１図は、本考案の一実施例のブレーキ回路用
リリーフ弁の断面図、第２図は、弁座筒と主弁と
の関係を示す部分断面図、第３図は、従来のブレ
ーキ回路用リリーフ弁の断面図、第４図は、ブレ
ーキ回路用リリーフ弁の特性曲線図である。 １……ブレーキ回路用リリーフ弁、２……内孔
、３……弁本体、５……モータ、６……カウンタ
ーバランス弁、７……切換弁、８……ポンプ、１
０……調圧バネ、１１……弁座筒、１２……スリ
ツト、１３……絞り孔、１４，１５……ピストン
、１７……通路、１８……クロスオーバ通路、１
９……主弁、２０……圧力室、２２……絞り孔、
２３……逆止弁、２４……スプリング、２５……
スリツト、２６……圧力室、２７……ロツド、２
８……筒体。

Claims (1)

  1. 【実用新案登録請求の範囲】 弁本体中央に内孔を設け、この内孔に摺動自在
    に弁座筒を挿入し、この弁座筒の両端に当接可能
    に主弁を配置し、この主弁の軸線方向に調圧バネ
    とピストンを配置し、このピストンがそのピスト
    ンに関連する主弁側の油圧により主弁側に移動し
    調圧バネのバネ力を増加させる構成としたブレー
    キ回路用リリーフ弁において、 前記弁座筒を２分割し、この２つの弁座筒間に
    １本の調圧バネを配置し、この２つの弁座筒の各
    々に当接可能に配置した主弁を前記ピストンによ
    り押圧される構成とし、前記内孔と通路との間に
    通路から内孔への流れを阻止する逆止弁を、主弁
    の外周に設けたことを特徴とするブレーキ回路用
    リリーフ弁。
JP1989011585U 1989-01-31 1989-01-31 ブレーキ回路用リリーフ弁 Expired - Lifetime JPH083682Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989011585U JPH083682Y2 (ja) 1989-01-31 1989-01-31 ブレーキ回路用リリーフ弁
KR1019890017084A KR0149159B1 (ko) 1989-01-31 1989-11-24 브레이크 회로용 릴리이프 밸브

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989011585U JPH083682Y2 (ja) 1989-01-31 1989-01-31 ブレーキ回路用リリーフ弁

Publications (2)

Publication Number Publication Date
JPH02102001U true JPH02102001U (ja) 1990-08-14
JPH083682Y2 JPH083682Y2 (ja) 1996-01-31

Family

ID=11781984

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989011585U Expired - Lifetime JPH083682Y2 (ja) 1989-01-31 1989-01-31 ブレーキ回路用リリーフ弁

Country Status (2)

Country Link
JP (1) JPH083682Y2 (ja)
KR (1) KR0149159B1 (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223034A (en) * 1975-08-11 1977-02-21 Mitsubishi Gas Chem Co Inc Process for preparation of addition product of aromatic dicarboxylic a cid with alkylene oxide
JPS56167903A (en) * 1980-05-24 1981-12-23 Hitachi Constr Mach Co Ltd Hydraulic circuit of brake for hydraulic motor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5223034A (en) * 1975-08-11 1977-02-21 Mitsubishi Gas Chem Co Inc Process for preparation of addition product of aromatic dicarboxylic a cid with alkylene oxide
JPS56167903A (en) * 1980-05-24 1981-12-23 Hitachi Constr Mach Co Ltd Hydraulic circuit of brake for hydraulic motor

Also Published As

Publication number Publication date
KR900012027A (ko) 1990-08-02
JPH083682Y2 (ja) 1996-01-31
KR0149159B1 (ko) 1998-10-15

Similar Documents

Publication Publication Date Title
JPH02102001U (ja)
JPH02115978U (ja)
JPS6149104U (ja)
JPS6351864U (ja)
JPH0266780U (ja)
JPH0168976U (ja)
JPS6311982U (ja)
JP2569533Y2 (ja) 制動切替バルブ
JPS61114164U (ja)
JPH0439966U (ja)
JPH03107561U (ja)
JPH0298201U (ja)
JPS6157277U (ja)
JPH0211201U (ja)
JPH02475U (ja)
JPS61138761U (ja)
JPS62127091U (ja)
JPS62102793U (ja)
JPS62184237U (ja)
JPH0465653U (ja)
JPS62151447U (ja)
JPS6252559U (ja)
JPH0478348U (ja)
JPH0341237U (ja)
JPH0338436U (ja)