Fluid blast circuit breaker

Details Fluid blast circuit breaker Fluid blast circuit breaker

1978-11-06

1980-09-23

Truhe, J. V.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148A, 200148G, H01H 3370

Patent

active

042244900

ABSTRACT:
The contacts and nozzle of a fluid blast circuit breaker are constructed to have a cross section with a shape other than circular or square. Such cross section facilitates providing the fluid for extinguishing an arc in a circuit breaker at a velocity perpendicular to the arc greater than the fluid velocity in a circular or square configuration nozzle having the same cross sectional area. Such high velocity fluid flow facilitates interrupting the arc by increasing the cooling rate of fluid flow past the arc.

REFERENCES:
patent: 2133938 (1938-10-01), Ruppel
patent: 2798922 (1957-07-01), Lingal et al.
patent: 3679851 (1972-07-01), Latour et al.

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