Rotary machine and electric vehicle
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United States of America Patent
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Jan 22, 2019
Grant Date -
Nov 26, 2015
app pub date -
Dec 13, 2013
filing date -
Dec 28, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The rotary machine includes a rotor rotatably provided and a resin-molded stator. The stator includes a stator core, a coil, and a mold portion. A tooth portion in the stator core includes first and second facing portions. The first facing portion includes a first facing surface where an air gap with the rotor becomes a first distance. The second facing portion is integrated with the first facing portion in the circumferential direction centered at the rotation axis of the rotor, and includes a second facing surface where the air gap becomes a second distance wider than the first distance. The second facing portion includes a groove portion on the second facing surface. The mold portion includes a first mold portion. The first mold portion covers the second facing portion, is provided at the groove portion, and includes a third facing surface where the air gap becomes the first distance.
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