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. 22, 2007
Filed:
Apr. 05, 2002
Pierre Anthoine, Rueil Malmaison, FR;
Magali Rouge, Rueil Malmaison, FR;
Sebastien Chanson, Paris, FR;
Ahmed Kefti-cherif, Trappes, FR;
Keyvan Kergar, Le Pecq, FR;
Pierre Anthoine, Rueil Malmaison, FR;
Magali Rouge, Rueil Malmaison, FR;
Sebastien Chanson, Paris, FR;
Ahmed Kefti-Cherif, Trappes, FR;
Keyvan Kergar, Le Pecq, FR;
Renault S.A.S., Boulogne Billancourt, FR;
Abstract
An infinitely variable power branching transmission with first and second operating modes, whereof the components are distributed between two power paths connecting in parallel an engine to vehicle wheels. At least two planetary trains, two electrical machines, a reduction stage, and a control orient differently the power between the transmission input and output based on the operating mode thereof. Two reduction stages are arranged in parallel between the two planetary trains on the same power path, the two reduction stages being respectively urged in the first and in the second operating transmission mode.