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:
Aug. 06, 2019
Filed:
Aug. 11, 2015
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Misa Milosavljevic, Eragny sur Oise, FR;
IFP ENERGIES NOUVELLES, Rueil-Malmaison, FR;
Abstract
The present invention relates to a powertrain for a motor vehicle comprising a thermal engine (), a variable-speed transmission device () including an engine epicyclic gear train () with a sun gear () carried by a hollow shaft () and a crown gear () carried by a hollow shaft () surrounding hollow shaft () of the sun gear, the sun gear and the crown gear are each connected to shaft () of thermal engine () respectively by a controlled clutch (and a second controlled clutch) and to a fixed part () of the vehicle by a one-way clutch (and), and a track (and) for motion transmission to a drive axle (). According to the invention, the powertrain comprises in addition to the first and second controlled clutches a controlled connection () between the two hollow shafts (and).