Heat sink thermal transfer system for zinc oxide varistors
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United States of America Patent
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-
Jun 15, 1982
Issued Date -
N/A
app pub date -
Apr 7, 1980
filing date -
Sep 5, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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