Cartridge fuse with two arc-quenching end plugs

Details Cartridge fuse with two arc-quenching end plugs Cartridge fuse with two arc-quenching end plugs

1985-12-10

1987-04-07

Echols, Percy W.

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337238, 337278, H01H 8516

Patent

active

046564535

ABSTRACT:
A cartridge fuse has a pair of compressed, resilient plugs in opposed ends of a passageway passing through the fuse housing. The compressed material of the plugs engages and holds the fuse filament in slight tension along the length of the passageway and provide unexpectedly superior arc-quenching qualities to prevent explosion of the fuse housing. The ends of the fuse filament can be engaged through the centers of the plugs axially to align the fuse filament in the housing or the fuse filament ends can be engaged between the plugs and the interior of the housing wall to align the fuse filament under tension diagonally in the housing.

REFERENCES:
patent: 1562985 (1925-11-01), Murray
patent: 3354282 (1967-11-01), Batsch
patent: 3460086 (1969-08-01), Fister
patent: 3529270 (1970-09-01), Kozacka
patent: 4075755 (1978-02-01), Bernatt et al.

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