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. 10, 2020
Filed:
Mar. 21, 2016
Valeo Systemes Thermiques, Le Mesnil Saint-Denis, FR;
Manuel Henner, Le Mesnil Saint Denis, FR;
Bruno Demory, Le Mesnil Saint Denis, FR;
Youssef Beddadi, Le Mesnil Saint Denis, FR;
François Franquelin, Le Mesnil Saint Denis, FR;
Charles Roland, Le Mesnil Saint Denis, FR;
Other;
Abstract
A ventilation blower wheel may have a hub and blades extending radially outwards from the hub between a blade root and a blade tip. Additionally, the blades of said blower wheel may have a backward/forward curvature as a result of a reversal in curvature along their span. Furthermore, said blades may have, between 20% and 80% along their span, at least one pitch variation, extending over a maximum span distance of 25%, of at least 2° more or less than a linear pitch over said span distance.