Rotary electric machine and stator for rotary electric machines

Electrical generator or motor structure – Dynamoelectric – Rotary

Reexamination Certificate

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Details

C310S071000, C310S184000, C310S180000

Reexamination Certificate

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07622842

ABSTRACT:
In a rotary electric machine, output ends of first and second three-phase windings of first and second sets included in a first group are separated from those of third and fourth three-phase windings of third and fourth sets included in a second group. Each of the first to fourth three-phase windings is inserted in the slots while being turned at one of the first and second opposing end surface sides of a stator core. Turn portions of each of the first to fourth three-phase windings at the one of the first and second opposing end surface sides of the stator core have a substantially U shape, and are so disposed as to be nonoverlapped with each other in an axial direction of the stator core.

REFERENCES:
patent: 6515392 (2003-02-01), Ooiwa
patent: 6617723 (2003-09-01), Shichijyo
patent: 6784583 (2004-08-01), Umeda
patent: 6800974 (2004-10-01), Shichijyo
patent: 7030533 (2006-04-01), Umeda
patent: 2001/0024071 (2001-09-01), Yoshida et al.
patent: 2002/0180299 (2002-12-01), Oohashi et al.
patent: 2003/0135980 (2003-07-01), Ichikawa et al.
patent: 2003/0218394 (2003-11-01), Hashiba et al.
patent: 2004/0150284 (2004-08-01), Umeda
patent: 2006/0220488 (2006-10-01), Koike et al.
patent: 2002-247787 (2002-08-01), None
patent: A-2002-354736 (2002-12-01), None
patent: 2003-180048 (2003-06-01), None
patent: A-2003-348780 (2003-12-01), None
patent: A-2005-045987 (2005-02-01), None
Japanese Office Action dated May 26, 2009 with English translation.

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