Surge suppressor construction

Details Surge suppressor construction Surge suppressor construction

1982-01-22

1984-01-03

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361126, 315 36, H02H 904

Patent

active

044245475

ABSTRACT:
This surge suppressor comprises a tubular insulating housing having a metal end cap at one end and an integral end wall at its opposite end. A metal terminal extends through the end wall and has a portion within the housing. A stack of metal-oxide varistor blocks has one end bearing against said terminal portion and an external periphery spaced from the surrounding wall of the housing. A metal plate at the other end of the stack is urged against said other end of the stack by a spring between the end cap and the plate. A plurality of ceramic rods fixed to the end wall extend alongside said stack and through holes in the end plate and serve to limit such lateral motion of the stack as produced by vibrations and mechanical shocks.

REFERENCES:
patent: 3467936 (1969-09-01), Nasser
patent: 3805114 (1974-04-01), Matsuoka et al.
patent: 3928245 (1975-12-01), Fishman et al.
patent: 3959543 (1976-05-01), Ellis
patent: 4223366 (1980-09-01), Sweetana et al.
patent: 4262318 (1981-04-01), Shirakawa et al.

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