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:
May. 26, 2020
Filed:
Sep. 26, 2017
Applicant:
Sanyo Denki Co., Ltd., Tokyo, JP;
Inventor:
Yoshihisa Yamazaki, Tokyo, JP;
Assignee:
SANYO DENKI CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 29/38 (2006.01); F04D 19/00 (2006.01); F04D 29/66 (2006.01);
U.S. Cl.
CPC ...
F04D 29/384 (2013.01); F04D 19/005 (2013.01); F04D 29/667 (2013.01); F05D 2240/301 (2013.01); F05D 2240/307 (2013.01);
Abstract
A reversible flow fan includes: an impeller that includes blade portions; and rear-edge curved portions disposed on surfaces on rear edge sides of the blade portions in a normal rotation direction of the impeller. The rear-edge curved portions are convexly curved from a center of the impeller toward directions of outer peripheral portions of the blade portions in airflow directions during a reverse rotation of the impeller.
Yamazaki, Yoshihisa. (2020). Reversible flow fan (U.S. Patent No. 10662973). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10662973
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile