Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1985-11-22
1986-11-04
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 54, 310 68D, H02K 132
Patent
active
046212108
ABSTRACT:
To provide a cooling arrangement for an electric generator capable of supplying oil to a cylindrical rotor cavity in relatively large quantity in order to maintain a predetermined flow rate therethrough while providing spray oil cooling to a rotating rectifier assembly, a stationary non-rotating oil transfer tube is provided. The oil transfer tube extends from one end of a generator housing within a rotating shaft in generally coaxial relation with the one end of the tube being in communication with an oil inlet through the housing and the other end of the tube mounted within a rotating fitting in the rotating shaft. Additionally, the oil transfer tube has a radially extending orifice for spraying oil passing through the tube into the path of travel of the rectifier assembly upstream of the rotating fitting and the rotating fitting has an opening for carrying the remainder of the oil passing through the oil transfer tube into the cylindrical rotor cavity within the rotating shaft downstream of the rectifier assembly.
REFERENCES:
patent: 2897383 (1959-07-01), Barrows
patent: 3480810 (1969-11-01), Potter
patent: 3733503 (1973-05-01), Potter
patent: 4322030 (1982-03-01), Jacobson
patent: 4329603 (1982-05-01), Ballard
Skudy R.
Sundstrand Corporation
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