JPH0240913B2 - - Google Patents

Info

Publication number
JPH0240913B2
JPH0240913B2 JP56055800A JP5580081A JPH0240913B2 JP H0240913 B2 JPH0240913 B2 JP H0240913B2 JP 56055800 A JP56055800 A JP 56055800A JP 5580081 A JP5580081 A JP 5580081A JP H0240913 B2 JPH0240913 B2 JP H0240913B2
Authority
JP
Japan
Prior art keywords
valve
main valve
pressure
sub
main
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.)
Expired - Lifetime
Application number
JP56055800A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57171171A (en
Inventor
Jusaku Nozawa
Wataru Ootsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP56055800A priority Critical patent/JPS57171171A/ja
Publication of JPS57171171A publication Critical patent/JPS57171171A/ja
Publication of JPH0240913B2 publication Critical patent/JPH0240913B2/ja
Granted 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
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve
    • F16K17/105—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve using choking or throttling means to control the fluid operation of the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
JP56055800A 1981-04-14 1981-04-14 Pressure control valve Granted JPS57171171A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56055800A JPS57171171A (en) 1981-04-14 1981-04-14 Pressure control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56055800A JPS57171171A (en) 1981-04-14 1981-04-14 Pressure control valve

Publications (2)

Publication Number Publication Date
JPS57171171A JPS57171171A (en) 1982-10-21
JPH0240913B2 true JPH0240913B2 (en, 2012) 1990-09-13

Family

ID=13008985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56055800A Granted JPS57171171A (en) 1981-04-14 1981-04-14 Pressure control valve

Country Status (1)

Country Link
JP (1) JPS57171171A (en, 2012)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60116975A (ja) * 1983-11-28 1985-06-24 Toyoda Mach Works Ltd パイロット形レリ−フ弁
DE102008024044B4 (de) * 2008-05-16 2010-02-18 Danfoss A/S Ventilanordnung
DE102009053635A1 (de) * 2009-11-17 2011-05-19 Robert Bosch Gmbh Vorgesteuertes Druckbegrenzungsventil
JP2021173321A (ja) * 2020-04-23 2021-11-01 ナブテスコ株式会社 弁及び流体圧システム

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5655765A (en) * 1979-10-12 1981-05-16 Nippon Air Brake Co Ltd Pressure regulaing valve
JPS56143874A (en) * 1980-04-11 1981-11-09 Kayaba Ind Co Ltd Pressure control valve

Also Published As

Publication number Publication date
JPS57171171A (en) 1982-10-21

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