H - Electricity – 02 – K
Patent
H - Electricity
02
K
310/22
H02K 9/08 (2006.01) H02K 9/00 (2006.01)
Patent
CA 1120524
ABSTRACT OF THE DISCLOSURE A rotor for hydrogen-cooled rotary electric machines is provided with a gas inlet chamber and a gas outlet chamber which are circumferentially defined by radially extending partition walls and disposed in a region between a retaining ring holding rotor windings in position and a rotor shaft. Rotor cooling gas is introduced through a gas inlet port to a gas inlet chamber to flow to a gas outlet chamber divided into a plurality of zones while cooling the rotor windings. Form the gas outlet chamber, the gas flows through axially extending passages to a plurality of fan-like ventilating means to be discharged outside of the rotor.
337776
Fujioka Kazumasa
Nakayama Wataru
Gowling Lafleur Henderson Llp
Hitachi Ltd.
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