Dipping varnish-coated cooling shell of a housing for an electric machine
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United States of America Patent
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Aug 18, 2009
Grant Date -
Jun 15, 2006
app pub date -
Oct 20, 2003
filing date -
Oct 18, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A coolable housing shell for an electric machine, which is produced as a cast part, accommodates a concentric interior rotor/stator arrangement, coils, and end windings, and comprises a clear, open, through passage that is embodied in a symmetric, concentric, and/or coaxial manner relative to an imaginary axis of rotation of the machine. Said housing shell is interspersed with one or several cooling channels so as to form a coolant circuit. The inner surfaces of the shell and the inner walls of the channel/s have a coating via a cathodic dipping varnish method.
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