Pressure-relief valve for an electrical capacitor

Details Pressure-relief valve for an electrical capacitor Pressure-relief valve for an electrical capacitor

1974-04-22

1976-04-20

James, Andrew J.

317242, H01G 900

Patent

active

039522334

ABSTRACT:
A pressure-relief valve for an electrical capacitor which takes the form of a ring-shaped valve element of an elastic synthetic material which closes a valve opening in the housing of the capacitor. The valve member is held in position by a cylinder shaped part which has radial protuberances and which terminates in bulbous head. The bulbous head engages in snap-like fashion with a cooperable opening located in the housing of the capacitor. Suitable recesses are provided at the periphery of the cylindrical member to permit the valve to lift from its seat due to excess pressure within the capacitor.

REFERENCES:
patent: 1032032 (1912-07-01), Staunton
patent: 2011519 (1935-08-01), Holst et al.
patent: 2012691 (1935-08-01), Poitras
patent: 2039154 (1936-04-01), Emmens et al.
patent: 3411122 (1968-11-01), Schiller et al.
patent: 3463969 (1969-08-01), Wershey

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