Vacuum circuit interrupter and method of producing the same

Details Vacuum circuit interrupter and method of producing the same Vacuum circuit interrupter and method of producing the same

1980-10-01

1983-12-06

Scott, J. R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3366

Patent

active

044195516

ABSTRACT:
An improved vacuum circuit interrupter, the electrode contacts of which are formed from a sintered copper-chromium alloy, with chromium dispersed in a copper matrix.
The chromium particles having a mean particle size of not more than 100 .mu.m, the copper particles having a mean particle size of not less than 5 .mu.m, the electrode contacts have a density of not less than 90% relative to the theoretical density thereof, the copper is present at 80 to 20 wt. % and the chromium is present at 20 to 80 wt. %.

REFERENCES:
patent: 3357826 (1967-12-01), Honaker
patent: 3535110 (1970-10-01), Todd
patent: 3700435 (1972-10-01), Chandhok
patent: 3818163 (1974-06-01), Robinson
patent: 3821505 (1974-06-01), Wood
patent: 3863337 (1975-02-01), Schreiner et al.
patent: 4032301 (1977-06-01), Hassler et al.

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