System for protecting electrical devices against overheating
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United States of America Patent
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Apr 24, 2001
Grant Date -
N/A
app pub date -
Mar 29, 1999
filing date -
Sep 27, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In order to protect electrical devices against overheating, a thermal fuse is provided which is fitted inside a housing of the electrical device to be protected. The thermal fuse, which consists of low-melting point metal, is provided directly next to a critical element of the electrical device, such as a PTC thermistor, is preferably of U-shaped or V-shaped design, and is arranged such that its vertex is directly next to the critical element.
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