Fuse wire assembly for electrical fuse

Details Fuse wire assembly for electrical fuse Fuse wire assembly for electrical fuse

1987-07-01

1988-04-05

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337164, 337229, 337273, 337278, H01H 8504

Patent

active

047361808

ABSTRACT:
A core assembly having a flexible insulating material core and a spirally wound inner fuse wire engages with one or more elongate bodies of the flexible insulating material to sandwich and compress the inner fuse wire therebetween. An arc burning between the blown ends of the inner fuse wire will be blocked and quenched by the core and body insulating materials expanding or moving into the space where the arc subsists and is burning away a portion of the inner fuse wire. An outer fuse wire, an outer wrapper of shrinkable tubing or twisting together the core assembly and the elongated body or bodies retains the core assembly and insulating body or bodies engaged along their length and forms a fuse wire assembly.

REFERENCES:
patent: 4445106 (1984-04-01), Shah
patent: 4560971 (1985-12-01), Oh

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