Structure for a brushless direct current fan

Details Structure for a brushless direct current fan Structure for a brushless direct current fan

1995-06-16

1996-10-08

Hannon, Thomas R.

Bearings

Rotary bearing

Plain bearing

384296, 384428, 384539, F16C 3502, F16C 35077

Patent

active

055623476

ABSTRACT:
A bearing system for a brushless direct current fan includes a bearing pedestal having a first chamber for receiving a plurality of bearings and a plurality of tongues protruding from an inner wall of the first chamber and a second chamber communicated with the first chamber with an inner diameter larger than an inner diameter of the first chamber and a flexible sleeve having a plurality of slots axially extending from a first end of the sleeve to an intermediate position of the sleeve for the corresponding tongues within the pedestal to extend through so that the sleeve is engaged by the pedestal and a plurality of feet protrude from the first end of the sleeve for engaging with an intersection edge between the first chamber and the second chamber of the pedestal thereby securing the sleeve in the pedestal.

REFERENCES:
patent: 4682065 (1987-07-01), English et al.
patent: 4783608 (1988-11-01), Gruber et al.
patent: 5061091 (1991-10-01), Shiratori

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