Heavy-duty time-delay fuse
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United States of America Patent
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-
Sep 9, 1986
Grant Date -
N/A
app pub date -
Jan 25, 1985
filing date -
Jan 25, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heavy-duty, time-delay fuse includes a pair of heat sinks having mutually facing, generally planar contact surfaces normally eutectically soldered to each other. A spring between the heat sinks is operative for urging the contact surfaces apart from each other in a direction generally perpendicular to the planes in which the contact surfaces lie in the event of an overload condition in which an overload electrical current causes a pair of fusible links to generate sufficient heat to melt the eutectically soldered interconnection between the contact surfaces after a predetermined time delay proportional to the amount of heat absorbed and dissipated by the heat sinks.
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