The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 12, 2011

Filed:

Jul. 19, 2006
Applicants:

Kazuhiko Hirano, Yamanashi, JP;

Kazuyuki Sasaki, Fuefuki, JP;

Inventors:

Kazuhiko Hirano, Yamanashi, JP;

Kazuyuki Sasaki, Fuefuki, JP;

Assignee:

Fanuc Ltd, Yamanashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B 6/64 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
Abstract

A fan motor is mounted on the upper wall of the casing. The lower surface of this upper wall is formed into an inclined surface in which inclination is formed from the front wall side of the casing toward a back wall across from the front wall. When the fan motor is driven, oil mist or moisture contained in the air are condensed into water droplets or oil droplets. These water droplets or oil droplets fall and flow to the inner wall surface of the upper wall of the casing along the inner peripheral wall of a vent hole. Then the water droplets or oil droplets flow along the profile line of a vent hole smoothly (without stopping) and roll down the side wall of the casing.


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