PT76723B - Pressure relief device - Google Patents

Pressure relief device

Info

Publication number
PT76723B
PT76723B PT7672383A PT7672383A PT76723B PT 76723 B PT76723 B PT 76723B PT 7672383 A PT7672383 A PT 7672383A PT 7672383 A PT7672383 A PT 7672383A PT 76723 B PT76723 B PT 76723B
Authority
PT
Portugal
Prior art keywords
pressure relief
relief device
pressure
relief
Prior art date
Application number
PT7672383A
Other languages
Portuguese (pt)
Other versions
PT76723A (en
Inventor
Wendell D Johnson
Original Assignee
Qualitrol Corp
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 Corp filed Critical Qualitrol Corp
Publication of PT76723A publication Critical patent/PT76723A/en
Publication of PT76723B publication Critical patent/PT76723B/en

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)
PT7672383A 1982-05-19 1983-05-18 Pressure relief device PT76723B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US37966182A 1982-05-19 1982-05-19

Publications (2)

Publication Number Publication Date
PT76723A PT76723A (en) 1983-06-01
PT76723B true PT76723B (en) 1986-05-07

Family

ID=23498156

Family Applications (1)

Application Number Title Priority Date Filing Date
PT7672383A PT76723B (en) 1982-05-19 1983-05-18 Pressure relief device

Country Status (7)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3516323A1 (en) 1985-05-07 1986-11-13 Vdo Adolf Schindling Ag, 6000 Frankfurt INJECTION VALVE
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 (en) * 1997-02-10 1999-05-01 Schlumberger Ind Sa GAS ISOLATED TRANSFORMER
US7210497B2 (en) * 2003-12-19 2007-05-01 Qualitrol Corporation Pressure relief device with increased flow rate
CN102953120B (en) * 2011-08-31 2015-08-12 上海朗兆机电设备有限公司 Monocrystal growing furnace pressure releasing means

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 (en) * 1963-02-01 1964-11-25 Micafil Ag Expansion vessel with double valve for electrical devices with liquid dielectric
JPS5529315B2 (en) * 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
DK218883A (en) 1983-11-20
EP0094702A1 (en) 1983-11-23
CA1207213A (en) 1986-07-08
ES8407565A1 (en) 1984-09-16
JPS58211077A (en) 1983-12-08
ES522505A0 (en) 1984-09-16
AU1407583A (en) 1983-11-24
DK218883D0 (en) 1983-05-17
PT76723A (en) 1983-06-01

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