Liquid-cooled electric machine

Details Liquid-cooled electric machine Liquid-cooled electric machine

H - Electricity

02

K

310/18

H02K 1/20 (2006.01) H02K 3/42 (2006.01) H02K 9/19 (2006.01)

Patent

CA 1132643

ABSTRACT A pressure plate for a liquid-cooled electric machine is disclosed which improves heat removal from the end-face region of the stator lamination stack. The pressure plate is provided with a cooling canal formed by a re- cess on the surface facing the stator lamination stack which is closed off by a cover plate. The cover plate may be provided with a rib on the surface facing the recess. In one embodiment, a plurality of juxtaposed recesses are provided which extend transversely to the pressure fingers of the pressure plate. The pressure plate is preferably made of stainless, non-magnetic steel, i.e., of austenitic chrome-nickel steel.

349089

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