STATOR FOR ELECTRIC MACHINE - TOYOTA JIDOSHOKKI KK

Title:

STATOR FOR ELECTRIC MACHINE

Document Type and Number:

WIPO Patent Application WO/2010/116928

Kind Code:

A1

Abstract:

Disclosed is a stator for an electric machine. The stator is provided with a stator core, and first and second series of coils each molded into a predetermined shape. Each of the coils in the first series is provided with a pair of first coil ends which respectively protrude from both end faces of the stator core. Each of the first coil ends is provided with a pair of bent portions which extend outward in the radial direction of the stator, and a bridge portion which connects the bent portions. Each second coil end is provided with a pair of upright portions and a bridge portion which connects the upright portions. The bridge portions of the coils in the first series are disposed outside the bridge portions of the coils in the second series in the radial direction of the stator. The bridge portion of each of the coils in the second series extends across the bent portions of two adjacent coils in the first series. The coils in the first series and the coils in the second series are configured so that each series includes a mixture of coils of at least two phases among a U-phase, a V-phase, and a W-phase. Each of the coils in the first series is connected to a coil of the same phase in the second series.

Inventors:

KAWANO HIROSHI (JP)
HAYASHI HIROHITO (JP)
BABA SATORU (JP)

Application Number:

PCT/JP2010/055736

Publication Date:

October 14, 2010

Filing Date:

March 30, 2010

Export Citation:

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Assignee:

TOYOTA JIDOSHOKKI KK (JP)
KAWANO HIROSHI (JP)
HAYASHI HIROHITO (JP)
BABA SATORU (JP)

International Classes:

H02K3/04; H02K1/18

Foreign References:

JP2005348461A	2005-12-15
JP2006238687A	2006-09-07
JP2003507994A	2003-02-25
JP2007329985A	2007-12-20
JPH06261475A	1994-09-16
JPH10271733A	1998-10-09

Other References: