Magnet type clutch device or magnet type fan clutch device
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United States of America Patent
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Aug 30, 2005
Grant Date -
Jun 24, 2004
app pub date -
Nov 24, 2003
filing date -
Nov 28, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention provides a magnet type clutch device or a magnet type fan clutch device able to arbitrarily change the rotation speed of a fan by switching and controlling the directions of magnetic fluxes of a permanent magnet and an electromagnetic clutch. The magnet type clutch device or the magnet type fan clutch device constructed by integrating the electromagnetic clutch and a magnet coupling using the permanent magnet is characterized in that a magnetic loop element is assembled into a permanent magnet rotating body and the rotation speed of the fan, etc. can be changed by switching and controlling the magnetic flux direction of the electromagnetic clutch.
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