Motor

Details Motor Motor

Filed on

2011-08-09

Date issued

2011-08-09

Examiner

Le, Dang D (Department: 2834)

Patent Class

Electrical generator or motor structure

SubClass

Dynamoelectric

SubSubClass

Rotary

Other Related Categories

C310S06700R

Type

Reexamination Certificate

Status

active

Patent number

07994663

Description

ABSTRACT:
A motor may include a motor base plate, a bearing holder provided with a through hole whose both ends hold bearings and vertically disposed with respect to the motor base plate, a stator provided with a center hole and fixed to an outer peripheral face of the bearing holder, and a rotor having a shaft supported by the bearings, a rotor case fixed to the shaft, and a magnet fixed on an inner peripheral face of the rotor case. The bearing holder may be provided with a stepped part, protruded toward a radial direction. The stator may be provided with a first resin block structured so that an end face on a motor base plate side of the stator core is molded with resin to cover a coil wound around the stator core, and inner peripheral faces of the stator core and the first resin block structure the center hole, and the center hole of the stator is press-fitted and fixed to the bearing holder until an end face of the first resin block is abutted with the stepped part.

REFERENCES:
patent: 4129796 (1978-12-01), Papst
patent: 6359354 (2002-03-01), Watanabe et al.
patent: 6762521 (2004-07-01), Peter et al.
patent: 7012346 (2006-03-01), Hoffman et al.
patent: 10-108404 (1998-04-01), None

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