Electrical generator or motor structure – Dynamoelectric – Rotary
Reexamination Certificate
2005-10-31
2008-10-14
Nguyen, Tran (Department: 2834)
Electrical generator or motor structure
Dynamoelectric
Rotary
Reexamination Certificate
active
07436096
ABSTRACT:
An electric machine includes a stator and a rotor disposed adjacent the stator. The rotor may be rotatable around a rotor rotation axis. The rotor may include a rotor core and a plurality of permanent magnets. The plurality of permanent magnets may include a permanent-magnet cluster disposed at least partially within the rotor core. The permanent-magnet cluster may be configured to create a magnetic pole of the rotor. Additionally, the permanent-magnet cluster may include multiple radial permanent-magnet layers. The rotor may also include one or more axially-extending channels located in a portion of the rotor core disposed between adjacent radial permanent-magnet layers.
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Machine translation of Japanese publication No. JP 11-243653, published Sep. 7, 1999.
Machine translation of Japanese publication No. JP 10-66285, published Mar. 6, 1998.
Aydin Metin
Guven Mustafa K.
Caterpillar Inc.
Finnegan, Henderson, Farabow, Garrett & Dunne
Nguyen Tran
LandOfFree
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