Motor device secured by engaging elements

Details Motor device secured by engaging elements Motor device secured by engaging elements

1998-11-20

2000-02-08

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 68R, H02K 500

Patent

active

060231173

ABSTRACT:
A motor device secured by an engaging element includes a frame, a bushing having a first bushing engaging element at one end thereof and connected to the frame at the other end thereof having a second bushing engaging element thereof, a stator sleeved on the bushing, a printed circuit board (PCB) arranged between the stator and the frame and sleeved on the bushing, a first fixing unit cooperating with the frame to position therebetween the stator, and having a first fixing engaging element engaging with the first bushing engaging element for securing the stator to the bushing, and a second fixing unit cooperating with the frame to position therebetween the PCB, and having a second fixing engaging element engaging with the second bushing engaging element for positioning the PCB with the bushing. The motor device further includes a shafted case having a case engaging element, coaxially mounted in the frame, and having a rotatable shaft. The rotatable shaft passes through the bushing to link the frame with an impeller. The impeller has an impeller engaging element engaging with the case engaging element to be secured to the shafted case for being actuated to provide a heat-dissipating effect.

REFERENCES:
patent: 4540906 (1985-09-01), Blom
patent: 4806081 (1989-02-01), Harmsen et al.
patent: 4910420 (1990-03-01), Hoover et al.
patent: 5436519 (1995-07-01), Takahashi et al.
patent: 5506458 (1996-04-01), Pace et al.
patent: 5532534 (1996-07-01), Baker et al.
patent: 5539263 (1996-07-01), Lee
patent: 5574321 (1996-11-01), Baker

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