Servo motor with large rotor inertia

Details Servo motor with large rotor inertia Servo motor with large rotor inertia

2011-03-22

2011-03-22

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S091000

Reexamination Certificate

active

07911095

ABSTRACT:
A servo motor with large rotor inertia includes a casing, a stator, a rotor and an inertial disk. The casing includes a hollow chamber and axial stages at front side and rear side thereof. The stator is arranged in the chamber and includes a ring and a plurality of coils around the ring. A through hole is defined at the center of the ring. A rotation shaft of the rotor is fixed to the stage and a magnet body is capped to the rotation shaft, where the magnet body is arranged in the through hole. The inertial disk is fixed to the rotation shaft of the rotor. The rotational inertia of the rotor is increased by rotating the inertial disk when the rotor is rotated by magnetize the stator. Therefore, the inertial disks of various sizes can be fixed to the rotor for matching different load inertia.

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Office Actions dated Oct. 10, 2008 and dated May 22, 2009 from China Patent Office.

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