Motor having suction ring

Details Motor having suction ring Motor having suction ring

2006-06-20

2008-10-21

Lam, Thanh (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S06700R

Reexamination Certificate

active

07439643

ABSTRACT:
A suction ring is fixed to a motor base and is provided with an outer circumferential section having a first outer diameter that is smaller than an inner diameter of a wall section of the motor base. A plurality of protruded sections each have a second outer diameter larger than the inner diameter of the wall section of the motor base and protrudes outward in a radial direction from the outer circumferential section of the suction ring. The plurality of protruded sections of the suction ring are press fitted into a wall section of the motor base and secures the suction ring to the motor base. One surface of the suction ring coincides with a bottom surface of the ring magnet covering a whole range of a projected area of the ring magnet that is projected onto the surface of the suction ring.

REFERENCES:
patent: 7030527 (2006-04-01), Tsuda et al.
patent: 7201517 (2007-04-01), Gomyo et al.
patent: 2005/0058374 (2005-03-01), Gomyo et al.
patent: 2005/0135003 (2005-06-01), Inoue et al.
patent: 11032460 (1999-02-01), None
patent: 2003-061305 (2003-02-01), None
patent: 2003259596 (2003-09-01), None

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