Anti-leakage device for lubrication oil in a fan

Details Anti-leakage device for lubrication oil in a fan Anti-leakage device for lubrication oil in a fan

2007-11-20

2007-11-20

Pickard, Alison K. (Department: 3673)

Seal for a joint or juncture

Seal between relatively movable parts

Close proximity seal

C384S119000, C384S130000, C384S132000

Reexamination Certificate

active

10784281

ABSTRACT:
An anti leakage device of lubrication oil for a fan includes a hub seat, a sleeve and a hub. The sleeve is provided on the hub seat and has a bearing therein to form an oil storage part for receiving lubrication oil. The hub is provided on the hub seat and has an annular recess at the inside thereof for being inserted with the sleeve. Hence, leakage from the oil storage part can be avoided by way of provision of the annular recess.

REFERENCES:
patent: 1879626 (1932-09-01), Mendenhall et al.
patent: 2020512 (1935-11-01), Mendenhall et al.
patent: 4093323 (1978-06-01), Quandt et al.
patent: 6024496 (2000-02-01), Shy
patent: 6554478 (2003-04-01), Hsieh
patent: 6692152 (2004-02-01), Shingai et al.

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