Electric actuator and motor used therein

Details Electric actuator and motor used therein Electric actuator and motor used therein

2008-03-04

2008-03-04

Mullins, Burton (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S07500D, C310S090000, C310S154010

Reexamination Certificate

active

07339299

ABSTRACT:
A motor comprises a rotor fixed to a shaft and a stator comprising a permanent magnet on the inner circumferential surface of a motor casing. The shaft extends from the opening end of the motor casing and has a worm wheel in a gear casing. The end face of the gear casing has an annular projection. The motor casing has an outward flange at the opening end. When the motor casing is connected with the gear casing, an elastic O-ring is fitted between a space formed by the outer circumferential surface of the annular projection, an outer vertical seat face of the gear casing and a corner of the outward flange thereby achieving suitable alignment of the motor casing with the gear casing. The permanent magnet is made of Nd magnet which is pressingly fitted on the inner circumferential surface of the motor casing.

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patent: 27 29 398 (1979-11-01), None
patent: 2005-30545 (2005-02-01), None

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