Electrical machinery laminations cooling
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United States of America Patent
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Feb 13, 1996
Grant Date -
N/A
app pub date -
Dec 13, 1993
filing date -
Dec 13, 1993
priority date (Note) -
Expired
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Abstract
A lamination for the stator or rotor of an electrical machine, the improvement comprising the lamination having a first periphery extending about a central axis defined by the lamination; the lamination also having a series of circularly spaced protrusions projecting away from the periphery and from the main extent of the lamination; whereby a stack of laminations, at least some of which incorporate the protrusions, define fluid coolant passages adjacent the protrusions.
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