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. 31, 2016
Filed:
Nov. 08, 2010
Manuel Henner, Auffargis, FR;
Bruno Demory, Marines, FR;
Manuel Henner, Auffargis, FR;
Bruno Demory, Marines, FR;
Valeo Systemes Thermiques, Le Mesnil Saint Denis, FR;
Abstract
A fan propeller comprises blades (), each of which has a general profile of the aircraft wing type, with a leading edge () and a trailing edge (), a neutral axis () and a span () between the leading edge () and the trailing edge (). According to one embodiment, the blade () has, on at least part of its length, a profile shaped such that the neutral axis () makes possible a point of contraflexure (), and has two opposite concavities, i.e. a positive concavity (C) between the leading edge () and the point of contraflexure (), and a negative concavity (C) between the point of contraflexure () and the trailing edge (). Application to motor vehicles.