Dynamoelectric machine with rotor ventilation system including p

Details Dynamoelectric machine with rotor ventilation system including p Dynamoelectric machine with rotor ventilation system including p

1984-05-07

1985-10-15

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 52, 310 54, 310 64, 310260, 310270, H02K 900

Patent

active

045476888

ABSTRACT:
An electrical machine with a radial path air-cooled rotor is provided with prewhirl inlet guide vanes in the coolant inlet duct. The guide vanes are fixed members spaced from each other in an arc around the duct with their radial inward edges advanced in the direction of rotation of the rotor from the radial outer edges and preferably have a smoothly curved airfoil configuration so as to smooth and facilitate air flow through the end turn region and the slot channels.

REFERENCES:
patent: 2561737 (1951-07-01), Hill
patent: 2618756 (1952-11-01), Fechheimer
patent: 2752515 (1956-06-01), Baudry
patent: 2915655 (1959-12-01), Baudry
patent: 2920218 (1960-01-01), Beckwith
patent: 3110827 (1963-11-01), Baudry
patent: 3870907 (1975-03-01), Hoffman
patent: 4465947 (1984-08-01), Armor

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