CA1207213A - Dual valve pressure relief device - Google Patents

Dual valve pressure relief device

Info

Publication number
CA1207213A
CA1207213A CA000426952A CA426952A CA1207213A CA 1207213 A CA1207213 A CA 1207213A CA 000426952 A CA000426952 A CA 000426952A CA 426952 A CA426952 A CA 426952A CA 1207213 A CA1207213 A CA 1207213A
Authority
CA
Canada
Prior art keywords
valve
spring
gasket
base plate
pressure relief
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
CA000426952A
Other languages
English (en)
French (fr)
Inventor
Wendell D. Johnson
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.)
Qualitrol Co LLC
Original Assignee
Qualitrol Co LLC
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 Qualitrol Co LLC filed Critical Qualitrol Co LLC
Application granted granted Critical
Publication of CA1207213A publication Critical patent/CA1207213A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Safety Valves (AREA)
  • Housings And Mounting Of Transformers (AREA)
CA000426952A 1982-05-19 1983-04-28 Dual valve pressure relief device Expired CA1207213A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37966182A 1982-05-19 1982-05-19
US379,661 1982-05-19

Publications (1)

Publication Number Publication Date
CA1207213A true CA1207213A (en) 1986-07-08

Family

ID=23498156

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000426952A Expired CA1207213A (en) 1982-05-19 1983-04-28 Dual valve pressure relief device

Country Status (7)

Country Link
EP (1) EP0094702A1 (da)
JP (1) JPS58211077A (da)
AU (1) AU1407583A (da)
CA (1) CA1207213A (da)
DK (1) DK218883A (da)
ES (1) ES522505A0 (da)
PT (1) PT76723B (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3516323A1 (de) 1985-05-07 1986-11-13 Vdo Adolf Schindling Ag, 6000 Frankfurt Einspritzventil
US4843187A (en) * 1988-02-05 1989-06-27 Qualitrol Corporation Gasket assembly and electrical power transformer including the same
US4953588A (en) * 1989-08-16 1990-09-04 Mueller Co. Dual check valve
ES2119720B1 (es) * 1997-02-10 1999-05-01 Schlumberger Ind Sa Transformador aislado por gas
US7210497B2 (en) * 2003-12-19 2007-05-01 Qualitrol Corporation Pressure relief device with increased flow rate
CN102953120B (zh) * 2011-08-31 2015-08-12 上海朗兆机电设备有限公司 单晶生长炉压力释放装置
CN110725979B (zh) * 2019-11-22 2024-09-24 沈阳明远电气科技有限公司 防爆阀

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2989073A (en) * 1956-05-04 1961-06-20 Bastian Blessing Co Pressure and vacuum relief valve
US2904616A (en) * 1958-03-18 1959-09-15 Mc Graw Edison Co Encased electrical apparatus having pressure relief means
US3217082A (en) * 1962-10-08 1965-11-09 Qualitrol Corp Snap-action fault protector for electrical apparatus
AT237091B (de) * 1963-02-01 1964-11-25 Micafil Ag Expansionsgefäß mit Doppelventil für elektrische Geräte mit flüssigem Dielektrikum
JPS5529315B2 (da) * 1972-01-20 1980-08-02
US3914528A (en) * 1974-03-20 1975-10-21 Qualitrol Corp Pressure relief device for power transformer
US4676266A (en) * 1982-01-07 1987-06-30 Qualitrol Corporation Pressure relief device

Also Published As

Publication number Publication date
ES8407565A1 (es) 1984-09-16
EP0094702A1 (en) 1983-11-23
JPS58211077A (ja) 1983-12-08
PT76723B (en) 1986-05-07
DK218883D0 (da) 1983-05-17
DK218883A (da) 1983-11-20
AU1407583A (en) 1983-11-24
PT76723A (en) 1983-06-01
ES522505A0 (es) 1984-09-16

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Legal Events

Date Code Title Description
MKEX Expiry