Exciter cooling arrangement for dynamoelectric machines

Details Exciter cooling arrangement for dynamoelectric machines Exciter cooling arrangement for dynamoelectric machines

1977-07-05

1979-07-17

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 58, H02K 1100

Patent

active

041616685

ABSTRACT:
In a dynamoelectric machine having an exciter assembly mounted on a rotating shaft including: rectifiers for rectifying AC exciter current into a DC field current; a hub secured to the shaft; and a number of rectifier mounting plates attached to the hub, each plate having apertures through which individual rectifiers are mounted, the cooling of the exciter assembly and the rectifier diodes is facilitated by an oil spray impinging directly on the rectifier diodes and mounting plates wherein the cooling is enhanced and sludge build-up on the inner surface of the hub is reduced by providing coolant passageways in the rectifier mounting plates that allow the oil to pass through the plates.

REFERENCES:
patent: 3145314 (1964-08-01), Becker
patent: 3733503 (1973-05-01), Potter
patent: 3829725 (1974-08-01), Petersen
patent: 3858069 (1974-12-01), Kuter
patent: 3965379 (1976-06-01), Meusel

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