JPH0225069B2 - - Google Patents

Info

Publication number
JPH0225069B2
JPH0225069B2 JP18885684A JP18885684A JPH0225069B2 JP H0225069 B2 JPH0225069 B2 JP H0225069B2 JP 18885684 A JP18885684 A JP 18885684A JP 18885684 A JP18885684 A JP 18885684A JP H0225069 B2 JPH0225069 B2 JP H0225069B2
Authority
JP
Japan
Prior art keywords
pressure
poppet
passage
hydraulic circuit
spool
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
Application number
JP18885684A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6170284A (ja
Inventor
Kenichi Koshi
Yoshizumi Nishimura
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 JP18885684A priority Critical patent/JPS6170284A/ja
Publication of JPS6170284A publication Critical patent/JPS6170284A/ja
Publication of JPH0225069B2 publication Critical patent/JPH0225069B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
JP18885684A 1984-09-11 1984-09-11 リリ−フ弁 Granted JPS6170284A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18885684A JPS6170284A (ja) 1984-09-11 1984-09-11 リリ−フ弁

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18885684A JPS6170284A (ja) 1984-09-11 1984-09-11 リリ−フ弁

Publications (2)

Publication Number Publication Date
JPS6170284A JPS6170284A (ja) 1986-04-11
JPH0225069B2 true JPH0225069B2 (de) 1990-05-31

Family

ID=16231047

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18885684A Granted JPS6170284A (ja) 1984-09-11 1984-09-11 リリ−フ弁

Country Status (1)

Country Link
JP (1) JPS6170284A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5143086B2 (ja) * 2009-05-28 2013-02-13 カヤバ工業株式会社 減衰バルブ

Also Published As

Publication number Publication date
JPS6170284A (ja) 1986-04-11

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