Cooling system for an electrical machine with center rotor...

Details Cooling system for an electrical machine with center rotor... Cooling system for an electrical machine with center rotor...

2005-06-13

2008-12-09

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06000A, C310S061000

Reexamination Certificate

active

07462962

ABSTRACT:
An electrical machine includes a stator having a radically inwardly directed duct adjacent the center of the machine for flowing cooling medium into the gap between the stator and rotor. The rotor includes radial or diagonal ducts having scoops for directing flow generally radically inwardly to cool the field windings in the center of the machine. The cooling medium flows either into subslots for radial or diagonal outward flow through outlet ducts for return to the gap.

REFERENCES:
patent: 3440462 (1969-04-01), Willyoung
patent: 3660702 (1972-05-01), Kishino
patent: 5633543 (1997-05-01), Jarczynski et al.
patent: 5652469 (1997-07-01), Boardman et al.
patent: 54115708 (1979-09-01), None

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