Heat sink thermal transfer system for zinc oxide varistors

Details Heat sink thermal transfer system for zinc oxide varistors Heat sink thermal transfer system for zinc oxide varistors

1980-04-07

1982-06-15

Moose, Jr., Harry E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

High voltage dissipation

338 21, 338 51, H02H 322

Patent

active

043354173

ABSTRACT:
A heat transfer arrangement for zinc oxide varistors comprises a metal heat sink disk held in contact with one face of the varistor by means of a circumferential elastic sleeve. The heat generated within the varistor rapidly conducts into and is absorbed by the metal disk and transmits through the elastic sleeve to the environment. When the varistor heat sink assembly is mounted within a surge voltage arrester, a flexible positioning member holds the assembly tightly against the arrester housing for transferring the heat to the housing.

REFERENCES:
patent: 1063303 (1913-06-01), Thomson
patent: 2739213 (1956-03-01), Beckjord
patent: 2870307 (1959-01-01), Milliken et al.
patent: 4092694 (1978-05-01), Stetson
patent: 4100588 (1978-07-01), Kresge

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