Dual curved inlet gap pickup wedge

Details Dual curved inlet gap pickup wedge Dual curved inlet gap pickup wedge

1981-01-26

1982-12-14

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 55, 310214, H02K 132

Patent

active

043639828

ABSTRACT:
In a gas-cooled generator or other dynamoelectric machine, wedges are provided for retention of the field windings and for introducing the cooling fluid into passages through the field windings to provide rotor cooling. In particular, the wedge of the present invention possesses pairs of bidirectionally curved inlet passages so as to smoothly convert a tangential flow of gas into a gas flow having both radially inward and longitudinal components. The wedges are particularly useful in cooling dynamoelectric machine rotors having a diagonal flow, gap pickup cooling system.

REFERENCES:
patent: 2134795 (1938-11-01), Myers
patent: 2986664 (1981-05-01), Willyoung et al.
patent: 3348081 (1967-10-01), Willyoung
patent: 3435263 (1969-03-01), Willyoung
patent: 3440462 (1969-04-01), Willyoung
patent: 3995180 (1976-11-01), Giles
patent: 4152610 (1979-05-01), Wallenstein

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