Thermal fuse employing thermosensitive pellet
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United States of America Patent
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Issued Date -
Oct 19, 2006
app pub date -
Apr 5, 2006
filing date -
Apr 18, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
To faster respond to switch at an operating temperature a thermal fuse employing a thermosensitive pellet includes a metallic casing, a first lead member having a first electrode formed at an end thereof, a second lead member having a second electrode formed at an internal wall surface of the casing, a switching function member including a spring member pressing the thermosensitive pellet and a movable conductor. At the operating temperature as the thermosensitive pellet softens and melts, the thermal fuse switches an electrical circuit between the first and second electrodes, and it is characterized in that the thermosensitive pellet undergoes a process to facilitate activation to allow the thermal fuse to faster respond to switch at the operating temperature.
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