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:
Nov. 23, 2010
Filed:
Jun. 30, 2004
Yasuyuki Nishi, Hyogo, JP;
Chikara Takebe, Hyogo, JP;
Koichi Tamura, Hyogo, JP;
Yoichi Tamaki, Hyogo, JP;
Akihiro Ando, Hyogo, JP;
Arata Funasaka, Hyogo, JP;
Yasuyuki Nishi, Hyogo, JP;
Chikara Takebe, Hyogo, JP;
Koichi Tamura, Hyogo, JP;
Yoichi Tamaki, Hyogo, JP;
Akihiro Ando, Hyogo, JP;
Arata Funasaka, Hyogo, JP;
Shinmaywa Industries, Ltd., , JP;
Abstract
In an impeller, an inlet portion and an outlet portion are provided at one end side and the other end side in the axial direction, respectively. An inletis formed in the lower part of the inlet portion, and an outlet is formed in the side face of the outlet portion. The inlet portion and the outlet portion are partitioned by a flange portion. The impeller 11 includes a primary vaneand a secondary vane. The primary vanedefines a spiral primary channelthat connects the inletand the outlet. The secondary vaneis formed in a shape that a part of the outer periphery of the outlet portion is gouged inward so as to define a secondary channelconnected to the primary channeland extending circumferentially around the outer periphery.