Fuse with corrugated filament

Details Fuse with corrugated filament Fuse with corrugated filament

1985-03-01

1987-01-13

Broome, Harold

Electricity: electrothermally or thermally actuated switches

Electrothermally actuated switches

Fusible element actuated

337158, 337279, H01H 8538, H01H 8504

Patent

active

046367659

ABSTRACT:
A fuse (12) comprising a tube of insulating material having an inner (16) and an outer wall surface (18) and forming a fuse housing (14). The fuse includes a pair of conductive fuse terminals (24, 26) secured at opposite axial ends (20, 22) of the tube. A fuse element (23) is axially disposed within and extends between the ends of the fuse housing, and its ends are electrically and physically directly connected with the adjacent fuse terminal. A plug of initially solid, arc-quenching material (32) at preferably only at one end of the fuse housing occupies only a limited axial extent thereat and evaporates under fuse blowing conditions to fill the housing with an arc-quenching vapor.

REFERENCES:
patent: 3144534 (1964-11-01), Baumbach
patent: 3374328 (1968-03-01), Cameron
patent: 4048610 (1977-09-01), Jacobs, Jr.

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