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.
Patent No.:
Date of Patent:
Aug. 23, 2011
Filed:
Jul. 24, 2006
Jiro Yamamoto, Sakai, JP;
Masahiro Shigemori, Sakai, JP;
Kouji Somahara, Sakai, JP;
Daikin Industries, Ltd., Osaka, JP;
Abstract
A blower is provided with an axial flow impeller, a fan motorpositioned in a suction side of the axial flow impeller, and a motor staysupporting the fan motor. The motor stayis substantially formed to have a linear shape and attached in parallel to a rotating surface of the axial flow impeller. An impeller blade front edgeof the axial flow impelleris positioned in a region X which is closer to the motor staythan a region Y in which an air flow turbulence in a wake flow of the motor stayis expanded, and in which region X a range of the air flow turbulence is reduced. Accordingly, it is possible to inhibit the air flow turbulence in the wake flow of the motor stayfrom affecting the aerodynamic characteristics and noise characteristics (for example, an increase of an NZ noise) of the axial flow impeller