JPS55125607A - Pressure releasing device - Google Patents

Pressure releasing device

Info

Publication number
JPS55125607A
JPS55125607A JP3227279A JP3227279A JPS55125607A JP S55125607 A JPS55125607 A JP S55125607A JP 3227279 A JP3227279 A JP 3227279A JP 3227279 A JP3227279 A JP 3227279A JP S55125607 A JPS55125607 A JP S55125607A
Authority
JP
Japan
Prior art keywords
pressure
pressure release
release valve
internal
port
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.)
Granted
Application number
JP3227279A
Other languages
Japanese (ja)
Other versions
JPS6153846B2 (en
Inventor
Takehiko Naito
Taichi Ueda
Masaru Sakamoto
Keiji Suganuma
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 Ltd
Tokyo Electric Power Company Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
Hitachi 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 Tokyo Electric Power Co Inc, Hitachi Ltd filed Critical Tokyo Electric Power Co Inc
Priority to JP3227279A priority Critical patent/JPS55125607A/en
Publication of JPS55125607A publication Critical patent/JPS55125607A/en
Publication of JPS6153846B2 publication Critical patent/JPS6153846B2/ja
Granted 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
    • H01F27/40—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)
  • Housings And Mounting Of Transformers (AREA)

Abstract

PURPOSE:To decrease the number of times of operation of a pressure release valve and reduce remaining pressure, by oprating the pressure release valve after a prescribed time since internal pressure rises above a prescribed lvel. CONSTITUTION:A pressure release port 6 is provided at one end of the horizontal part 5b of a pressure release pipe 5. A pressure release valve 8, which is energized by a spring 7 in a direction to close the pressure release port 6, is provided. A pressure chamber 12 and the internal space 14 of a container 1 are always connected to each other through an orifice-like bypass 13. The cross- sectional area of the bypass 13 is set in consideration of the volume of the pressure chamber 12 and internal pressure, which is expected to act when an accident occurs. As a result, a prescribed time lag is set for a pressure change, due to the rise in the internal pressure, to be transmitted to the pressure chamber through the bypass 13. According to this constitution, opposite equal forces are applied to pressure reception faces 8a, 11d of equal area because of the internal pressure P higher than a prescribed level at the osccurrence of the accident so that the pressure release valve is not operated. After a prescribed time since the occurrence of the accident, the force applied to a pressure reception part 11 becomes stronger than the force of the spring 7 and drives the pressure release valve 8 to open the pressure release port 6 to instantaneously release a large amount of gas. After that, the pressure in the pressure chamber 12 falls and the valve 8 is automatically returned by the spring 7 to close the port 6.
JP3227279A 1979-03-22 1979-03-22 Pressure releasing device Granted JPS55125607A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3227279A JPS55125607A (en) 1979-03-22 1979-03-22 Pressure releasing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3227279A JPS55125607A (en) 1979-03-22 1979-03-22 Pressure releasing device

Publications (2)

Publication Number Publication Date
JPS55125607A true JPS55125607A (en) 1980-09-27
JPS6153846B2 JPS6153846B2 (en) 1986-11-19

Family

ID=12354346

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3227279A Granted JPS55125607A (en) 1979-03-22 1979-03-22 Pressure releasing device

Country Status (1)

Country Link
JP (1) JPS55125607A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6210845A (en) * 1985-07-08 1987-01-19 Denki Onkyo Co Ltd Deflection york device

Also Published As

Publication number Publication date
JPS6153846B2 (en) 1986-11-19

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