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:
Oct. 20, 2015
Filed:
Jan. 10, 2011
Speed variation transmission device for motor vehicle powertrain and hybrid motor vehicle using same
Stéphane Venturi, Roiffieux, FR;
Stéphane Venturi, Roiffieux, FR;
IFP Energies nouvelles, Rueil Malmaison Cedex, FR;
Abstract
The present invention relates to a speed variation transmission device for a motor vehicle powertrain comprising an epicyclic gear train () with a sun gear () and a crown () connected to shaft () of thermal engine () of said vehicle, as well as a planet gear carrier () connected by a motion transmission track () to drive axle () of this vehicle. According to the invention, sun gear () and crown () are connected each to engine shaft () by a controlled coupling () and to a fixed part () of the vehicle powertrain by a one-way coupling ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile