Heater for sliding seal structure

Details Heater for sliding seal structure Heater for sliding seal structure

1980-05-29

1982-11-23

Smith, Robert I.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 81R, F16S 1534

Patent

active

043602070

ABSTRACT:
A sliding seal assembly is provided to admit an operating shaft into the sealed high pressure housing of the interrupter of a high voltage circuit breaker. A heater is contained in the assembly and is coupled to the seals by heat conductive members to maintain the seals at a high enough temperature to ensure their integrity even when the external temperature falls below -55.degree. C.

REFERENCES:
patent: 2992838 (1961-07-01), Wallace
patent: 3269735 (1966-08-01), Whittaker
patent: 4145059 (1979-03-01), Imai et al.

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