Rotary electric machine equipped with one or more magnetic sensors
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United States of America Patent
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-
Jan 5, 2010
Grant Date -
Mar 1, 2007
app pub date -
Aug 23, 2006
filing date -
Aug 25, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides a rotary electric machine, in which it is possible to reduce the dimension of a casing in a direction along a rotation center line. The rotary electric machine comprises a magnet rotor 2 rotating about a rotation center line 1 and one or more magnetic sensors 11 for detecting leakage flux leaking out of the magnet rotor 2. The magnet rotor 2 and a stator 3 are received in a casing 4. A sensor receiving portion 12 for receiving the one or more magnetic sensors 11 is disposed in an outer wall portion of a side wall of the casing 4 located in an extending direction of the rotation center line 1 of the magnet rotor 2. The one or more magnetic sensors 11 are received in the sensor receiving portion 12. The sensor receiving portion 12 is disposed in a position that allows the one or more sensors to detect leakage flux leaking out of the magnet rotor 2.
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