Apparatus for cooling the end zones of the lamination stacks of

Electrical generator or motor structure – Dynamoelectric – Rotary

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310 62, 310260, 165107, H02K 908

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active

041004396

ABSTRACT:
Apparatus for cooling lamination stacks of electric machines comprising an enclosure for receiving cooling gas, the enclosure being disposable around a lamination stack and being formed with a plurality of gas inlet chambers, means for circulating cooling gas through the chambers and through a plurality of axially spaced cooling channels formed in the lamination stack, and an additional gas inlet chamber located at an end of the lamination stack for receiving the cooling gas in parallel with the plurality of chambers and for directing the cooling gas over the end of the lamination stack.

REFERENCES:
patent: 2707243 (1955-04-01), Baudry
patent: 2707244 (1955-04-01), Kilgore
patent: 3254246 (1966-05-01), Philofsky
patent: 3497737 (1970-02-01), Philofsky
patent: 3505546 (1970-04-01), Victor
patent: 3739208 (1973-06-01), Shartrand
patent: 3822389 (1974-07-01), Kudlacik

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