JPS4881122A - - Google Patents

Info

Publication number
JPS4881122A
JPS4881122A JP1153672A JP1153672A JPS4881122A JP S4881122 A JPS4881122 A JP S4881122A JP 1153672 A JP1153672 A JP 1153672A JP 1153672 A JP1153672 A JP 1153672A JP S4881122 A JPS4881122 A JP S4881122A
Authority
JP
Japan
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
JP1153672A
Other languages
Japanese (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 JP1153672A priority Critical patent/JPS4881122A/ja
Priority to DE2300240A priority patent/DE2300240A1/en
Priority to US32696173 priority patent/US3809117A/en
Publication of JPS4881122A publication Critical patent/JPS4881122A/ja
Pending 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
    • F16K17/044—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 more than one spring
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7771—Bi-directional flow valves
    • Y10T137/7772—One head and seat carried by head of another
    • Y10T137/7777—Both valves spring biased

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
JP1153672A 1972-01-31 1972-01-31 Pending JPS4881122A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP1153672A JPS4881122A (en) 1972-01-31 1972-01-31
DE2300240A DE2300240A1 (en) 1972-01-31 1973-01-04 VALVE CONTROLLING DEPENDING ON A PRESSURE REDUCTION
US32696173 US3809117A (en) 1972-01-31 1973-01-26 Pressure responsive valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1153672A JPS4881122A (en) 1972-01-31 1972-01-31

Publications (1)

Publication Number Publication Date
JPS4881122A true JPS4881122A (en) 1973-10-30

Family

ID=11780672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1153672A Pending JPS4881122A (en) 1972-01-31 1972-01-31

Country Status (3)

Country Link
US (1) US3809117A (en)
JP (1) JPS4881122A (en)
DE (1) DE2300240A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56165159U (en) * 1980-05-12 1981-12-07

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5650239Y2 (en) * 1978-08-28 1981-11-24
SE411793B (en) * 1978-05-31 1980-02-04 Aga Ab DEVICE INTENDED TO PREVENT THE TEMPERATURE OF A PRESSURE MEDIUM SYSTEM UNDER A CERTAIN SETTING REMAINDER AND TO POSSIBLE FILLING OR VACUUM PUMPING OF THE SYSTEM
JPS5725035Y2 (en) * 1979-04-06 1982-05-31
DE3604775A1 (en) * 1986-02-14 1987-08-20 Johannes Hegemann Pneumatic filling and pressurising valve
DE4239717C1 (en) * 1992-11-26 1994-01-05 Schmoele Gmbh Km Residual pressure valve
GB9705409D0 (en) * 1997-03-15 1997-04-30 Britax Wingard Ltd Pressure relief valve
US20060273275A1 (en) * 2005-06-01 2006-12-07 Rajat Agrawal Valve device for containing and preventing backflow of fluids
JP5472751B2 (en) * 2011-03-30 2014-04-16 株式会社デンソー High pressure pump

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4417587Y1 (en) * 1968-12-23 1969-07-30

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3441050A (en) * 1966-07-13 1969-04-29 Itt Pressure equalizing valve
US3729019A (en) * 1971-03-10 1973-04-24 Marvel Eng Co Bi-directional check valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4417587Y1 (en) * 1968-12-23 1969-07-30

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56165159U (en) * 1980-05-12 1981-12-07

Also Published As

Publication number Publication date
US3809117A (en) 1974-05-07
DE2300240A1 (en) 1973-08-09

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