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:
Mar. 07, 2017
Filed:
Oct. 27, 2011
Applicants:
Kouji Sinzaki, Aichi, JP;
Daisuke Inoue, Aichi, JP;
Inventors:
Kouji Sinzaki, Aichi, JP;
Daisuke Inoue, Aichi, JP;
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 17/08 (2006.01); F04D 29/42 (2006.01); F04D 29/44 (2006.01);
U.S. Cl.
CPC ...
F04D 17/08 (2013.01); F04D 29/4206 (2013.01); F04D 29/4213 (2013.01); F04D 29/4226 (2013.01); F04D 29/441 (2013.01); F05D 2250/51 (2013.01);
Abstract
A centrifugal fan includes a casing side plate with a casing inlet, a spiral scroll, a tongue, a casing outlet, a main plate, a retaining ring, multiple blades arranged between the main plate and the retaining ring, and an air-intake space surrounded by the blades. The centrifugal fan further includes an airflow accelerator in the air-intake space for increasing an airflow speed of a gas toward the blades.