Servo motor and rotor thereof

Details Servo motor and rotor thereof Servo motor and rotor thereof

2011-06-21

2011-06-21

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156380

Reexamination Certificate

active

07965008

ABSTRACT:
A servo motor, comprising a stator and a rotor disposed within the stator. The rotor has a core and magnets, covering the periphery of the core, forming a plurality of axially extending rotor poles. The rotor poles comprise a plurality of the magnets arranged axially, and the centers of adjacent magnets of a rotor pole are staggered by a mechanical angle in the circumferential direction of the rotor.

REFERENCES:
patent: 4739201 (1988-04-01), Brigham et al.
patent: 6252323 (2001-06-01), Nishikawa et al.
patent: 6657349 (2003-12-01), Fukushima
patent: 7071592 (2006-07-01), Lu
patent: 7245054 (2007-07-01), Walls et al.
patent: 2004/0124728 (2004-07-01), Yamaguchi et al.
patent: 2004/0217665 (2004-11-01), Hans

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