Reduced pressure electrical switch

Details Reduced pressure electrical switch Reduced pressure electrical switch

1980-11-13

1984-01-17

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148B, 200148G, H01H 3366

Patent

active

044265603

ABSTRACT:
An electrical switch for efficient, high continuous current carrying operation, with at least one movable contact for effecting current interruption. The ambient pressure within the volume defined by the electrical switch body is maintained at or is reducible during contact opening to between 10.sup.-1 to 10.sup.2 Torr to minimize contact erosion. A preferred electrical switch is a hermetically sealed, low voltage d.c., device for shunting an electrolyte cell. The sealed switch module has a reduced pressure atmosphere of inert fill gas at a pressure of from 10.sup.-1 to 10.sup.2 Torr.

REFERENCES:
patent: 1313856 (1919-08-01), Cavanagh
patent: 1995156 (1935-03-01), Proctor
patent: 1997288 (1935-04-01), Anderson
patent: 2060235 (1936-11-01), Miller
patent: 2323702 (1943-07-01), Berkey
patent: 2975255 (1961-03-01), Lafferty
patent: 3014107 (1961-12-01), Cobine et al.
patent: 3156803 (1964-11-01), Scully et al.
patent: 3405245 (1968-10-01), Toshio et al.
patent: 3548135 (1970-12-01), Wood
patent: 4216361 (1980-08-01), Salvatore

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