Multiple element current limiting fuse

Details Multiple element current limiting fuse Multiple element current limiting fuse

1981-04-01

1983-03-01

Harris, George

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337252, H01H 3704

Patent

active

043756301

ABSTRACT:
A multiple element current limiting fuse has a plurality of tube fuses soldered at opposite ends to a pair of metallic end bells having blade-like terminals for connection to busbars of an external electrical circuit. Fasteners having the general dimensions of the tube fuses are also mounted between the end bells and connectors, such as, studs or rivets are formed on ferrules at opposite ends of the fasteners to mechanically couple the fasteners to the end bells and preserve the spacing between the end bells even when the fuse is subjected to tensile forces and elevated temperatures efficient to soften the solder. The use of a hollow ceramic body and hollow connectors at the ends of the fasteners permits the passage of coolant through the fasteners for cooling the multiple element fuse.

REFERENCES:
patent: 2713098 (1955-07-01), Swain
patent: 3342962 (1967-09-01), Kozacka

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