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:
Apr. 15, 2008
Filed:
May. 14, 2004
Claudiu Vasilescu, Paris, FR;
Richard Tellier, Paris, FR;
Nam-gook Kim, Saint-Maurice, FR;
Valeo Equipements Electriques Moteur, Creteil Cedex, FR;
Abstract
The ventilating device fixed on a rotor of a rotary electrical machine, comprises a first fan () having a radial plate portion (), at least one second fan () having a radial plate portion (), and means for fastening the two fans (), each fan () having, at the outer peripheiy of its radial plate portion, first branches () and second branches () which extend radially outwards, at least some of the branches having a blade (), while at least one first branch () and at least one second branch () includes a first () and a second () mutual overlapping portion to define an overlap zone (Z), the said fastening means () being at least partly arranged at the level of the overlap zone.