Structure for a brushless direct current fan
OwnerHsin-mao Hsiehinventor
Life of this patent
Estimating the term…
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.
Claims3
A bearing system for a brushless direct current fan comprising:
- 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 edge of the first chamber communicated with the second chamber of the pedestal thereby securing the sleeve in the pedestal.
Dependencies are inferred from the claim text.