Axial-air-gap brushless vibration motor containing drive...

Details Axial-air-gap brushless vibration motor containing drive... Axial-air-gap brushless vibration motor containing drive...

2006-02-14

2006-02-14

Le, Dang (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156260, C310S268000

Reexamination Certificate

active

06998742

ABSTRACT:
An axial-air-gap brushless vibration motor has an eccentric rotor R in which an axial-air-gap magnet and an arched weight are provided in a rotor yoke which is rotatably mounted on a shaft fixed to a yoke bracket. A stator base is attached to the yoke bracket which includes a magnetic portion receiving the magnetic field of the magnet and a nonmagnetic portion. One Hall sensor and a drive circuit member for receiving output of the Hall sensor are disposed so that they do not overlap on a radial plane, of the stator base which has single-phase air-core armature coils installed. A cover member is welded to the yoke bracket.

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