Overvoltage protective device

Details Overvoltage protective device Overvoltage protective device

1980-01-02

1981-11-03

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

361117, H02H 322

Patent

active

042989000

ABSTRACT:
An overvoltage protective device comprises an insulating housing accommodating thereinside at least one column of non-linear resistors and a dielectric bush, both of which are closely enveloped by thermally conductive dielectric bulk material being in contact with the inner surface of the insulating housing. The wall of the housing of the dielectric bush is provided with through openings blocked by a layer of dielectric material. The inner surface of the dielectric bush forms a gas vent channel arranged lengthwise with respect to the column of non-linear resistors.

REFERENCES:
patent: 2264699 (1941-12-01), Johnson et al.
patent: 3586914 (1971-06-01), Foitzik
patent: 3805114 (1974-04-01), Matsuoka et al.
patent: 4100588 (1978-07-01), Kresge
patent: 4223366 (1980-09-01), Sweetana et al.

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