Motor generator and automobile carrying the same

Details Motor generator and automobile carrying the same Motor generator and automobile carrying the same

2005-10-28

2010-06-15

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S254100, C310S216055, C310S216074

Reexamination Certificate

active

07737600

ABSTRACT:
In a stator core composed of a powder compacted magnetic body, a yoke part comprises a protrusion protruding from an axial end face of a tooth. The tooth has an axial length gradually decreases towards an outside along the radial direction of the stator core, and a circumferential length which gradually increases towards an outside along the radial direction of the stator core. In one of the cross sections of stator core perpendicular to a radial direction, the height difference between axial end faces of the yoke part and the tooth is substantially equal to an axial length of a coil end part. Further, a cross-sectional area of the tooth perpendicular to the radial direction is substantially maintained constant along the radial direction, and the cross-sectional area is secured at a junction between the tooth and the yoke part, while half of the cross-sectional area is secured in a circumferential cross section of the yoke part.

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