Liquid-cooled electric machine

Details Liquid-cooled electric machine Liquid-cooled electric machine

1980-03-24

1982-03-30

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310217, 310260, H02K 900

Patent

active

043226450

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 recess 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.

REFERENCES:
patent: 3435265 (1969-03-01), Bennett
patent: 3597645 (1971-08-01), Duffert
patent: 3714477 (1973-01-01), Gott
patent: 4031422 (1977-06-01), Armor
patent: 4152615 (1979-05-01), Calfo
patent: 4208597 (1980-06-01), Mulach
Bulletin des Schweizerischen Elektrotechnischen Vereins 1973, pp. 1704-1707.

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