Vacuum interrupter

Details Vacuum interrupter Vacuum interrupter

1984-03-14

1986-04-22

Macon, Robert S.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200265, 200266, 29875, 75246, H01H 3366

Patent

active

045844453

ABSTRACT:
A vacuum interrupter of more improved large current interrupting capability and dielectric strength is disclosed. The interrupter has a pair of separable contact-electrodes (13, 24), a vacuum envelope (4) generally electrically insulating and enclosing the pair therewithin, a contact-making portion (19) of 20 to 60% IACS electrical conductivity being a part of one contact-electrode (13) of the pair and being into and out of engagement with the other contact-electrode (24) of the pair, an arc-diffusing portion (20) of 2 to 30% IACS electrical conductivity being the other part of the one contact-electrode (13) and being electrically and mechanically connected to the contact-making portion (19) so as to be spaced from the other contact-electrode (24) when the contact-electrodes (13, 24) are into engagement, and means (14, 15) for applying an axial magnetic field in parallel to an arc established between the contact-electrodes (13, 24) when separated.

REFERENCES:
patent: 3246979 (1966-04-01), Lafferty et al.
patent: 3596027 (1971-07-01), Okutomi et al.
patent: 3811939 (1974-05-01), Hassler et al.
patent: 3825789 (1974-07-01), Harris
patent: 3946179 (1976-03-01), Murano et al.
patent: 3957453 (1976-05-01), Haessler et al.
patent: 4260864 (1981-04-01), Wayland et al.
patent: 4372783 (1983-02-01), Kato

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