Apparatus and method for dissipating heat from a motor
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United States of America Patent
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-
Mar 13, 2001
Issued Date -
N/A
app pub date -
Sep 16, 1999
filing date -
Jun 5, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Heat-conductive masses of material encapsulate end turns of a stator fixed in a housing of a motor to dissipate heat from the stator through the side and one end of the housing. In one embodiment, a resilient heat-conductive pad is interposed between a front plate of the housing and a side of one of the heat-conductive masses of material facing the front plate. The pad has a thickness greater than the manufacturing tolerances associated with assembling an end of the stator at an end of the housing adjacent to the front plate. In another embodiment, the heat-conductive mass of material adjacent to the front plate extends into contact with the front plate. The contact can be assured, even without the presence of a resilient pad, by forming the heat-conductive mass between the stator and the front plate after the stator is assembled to the housing.
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