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:
Jan. 11, 2011

Filed:

Feb. 02, 2006
Applicants:

Katsumichi Ishihara, Nagano, JP;

Honami Oosawa, Nagano, JP;

Inventors:

Katsumichi Ishihara, Nagano, JP;

Honami Oosawa, Nagano, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/54 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention provides an axial flow fan capable of increasing an air volume and static pressure more than conventional axial flow fans. A plurality of rotary bladesare disposed in a circumferential direction of a rotary shaftat equidistant intervals. A plurality of stationary bladesare disposed in the vicinity of a discharge openingof an air channel portionof a housing. The stationary blades are disposed in the circumferential direction of the rotary shaftat equidistant intervals. The number of the rotary blades is seven (7) and the number of the stationary bladesis eight (8).


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