Fuse assembly, for a cutout, with accelerated arc extinction

Details Fuse assembly, for a cutout, with accelerated arc extinction Fuse assembly, for a cutout, with accelerated arc extinction

1989-02-13

1990-07-31

Broome, H.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337277, H01H 7110, H01H 8540

Patent

active

049453335

ABSTRACT:
A fuse assembly for an electrical cutout is provided with capability for rapid arc extinction by a capsule of pressurized insulating gas being located within a fuse tube above the fusible element so that when the fusible element melts and an arc is produced, gas is released from the gas cylinder that quenches and cools the arc and also assists a spring loaded flipper mechanism in expelling a lower conductor from the fuse tube.

REFERENCES:
patent: 3625838 (1966-08-01), Ackermann
patent: 3771089 (1973-11-01), Link
patent: 4220942 (1980-09-01), Meister et al.
patent: 4480245 (1984-10-01), Carothers et al.
patent: 4663692 (1987-05-01), Carothers et al.
Westinghouse Electric Corp., Descriptive Bulletin 38-631, Jun. 1987.
Westinghouse Electric Corp., Descriptive Bulletin 38-651, Jul. 1987.
Westinghouse Electric Corp., Descriptive Bulletin 38-671, Jul. 1987.

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