Puffer type circuit interrupter

Details Puffer type circuit interrupter Puffer type circuit interrupter

1978-03-24

1981-05-26

Truhe, J. V.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200148C, 200150D, H01H 3382

Patent

active

042700345

ABSTRACT:
A circuit interrupter comprises a pair of contacts which can be relatively moved to be detouchable in a fluid for arc extinction; a pressure chamber which is connected to an arc space to contain the fluid for arc extinction whose pressure is raised in the arc space; and a fluid passage which is closed until moving one contact for a specific distance and is opened to discharge the fluid in the pressure chamber through the arc space out of the pressure chamber after departing the contact for the specific distance whereby the arc extinction is performed by the puffing of the fluid.

REFERENCES:
patent: 2409723 (1946-10-01), Terry
patent: 2612576 (1952-09-01), Lange
patent: 3839613 (1974-10-01), Tsubaki et al.
patent: 3975602 (1976-08-01), Hertz et al.
patent: 4046979 (1977-09-01), Hertz et al.
patent: 4139752 (1979-02-01), Itai et al.
Japanese Utility Model Publication No. 29345/1972 to Iwamoto et al.
Japanese Utility Model Publication No. 42465 to Iwamoto et al.

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