Spindle motor with soundproofing

Details Spindle motor with soundproofing Spindle motor with soundproofing

1996-08-06

1998-03-31

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 67R, 310 89, H02K 516, H02K 524

Patent

active

057342113

ABSTRACT:
A spindle motor comprises a soundproof wall formed on a stator outside a peripheral surface of a rotor. Noise generated inside the motor during the operation is cut off by the wall to be reduced remarkably. Since the soundproof wall has no influence on the volume of the motor, a slim-type motor can be realized.

REFERENCES:
patent: 2505854 (1950-05-01), Curzon
patent: 5357160 (1994-10-01), Kaneda et al.
patent: 5483113 (1996-01-01), Sakuragi et al.

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