Claw teeth type electric rotary machine and manufacturing method for stators
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United States of America Patent
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Jan 19, 2010
Grant Date -
Jan 24, 2008
app pub date -
Jul 24, 2007
filing date -
Jul 24, 2006
priority date (Note) -
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Abstract
A claw teeth type electric rotary machine comprises a stator including an annular core with claws formed from a powder core and an annular coil installed inside the annular core, and a rotor rotatably positioned inside the stator. An inner edge of the annular core is provided with plural claw poles which are protruded at a predetermined interval in a circumferential direction and extended in an axial direction of the annular core so as to alternately meshes with each other. The stator comprises the annular core with claws, the annular coil, and a molded nonmagnetic potting material filled between the annular core with claws and annular coil, so that the annular core with claws and annular coil are integrated with the molded potting non-magnetic material.
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