Arc interrupter

Details Arc interrupter Arc interrupter

1987-02-27

1988-05-10

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3318

Patent

active

047437197

ABSTRACT:
In arc interrupters having fixed and movable contacts and a fixed annular electrode surrounded by an arc-driving coil, the problem of electrode collapse owing to the magnetic forces generated in the electrode and the coil is reduced or obviated by providing the electrode with at least one flange which is supported against distortion by ferromagnetic material which forms part of a magnetic circuit produced by the coil when it is part of an arc current path.

REFERENCES:
patent: 3891814 (1975-06-01), Hertz et al.
patent: 4303814 (1981-12-01), Scheibe
patent: 4355219 (1982-10-01), Parry
patent: 4463230 (1984-07-01), Perrenoud
patent: 4503302 (1985-03-01), Chrisp
patent: 4525612 (1985-06-01), Kawashima

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