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:
Mar. 12, 2019
Filed:
Dec. 01, 2015
Ifp Energies Nouvelles, Rueil-Malmaison, FR;
Stephane Venturi, Roiffieux, FR;
IFP ENERGIES NOUVELLES, Rueil-Malmaison, FR;
Abstract
A powertrain for an automotive vehicle comprising a thermal engine (), a speed variation device () including an engine epicyclic gear train () with a sun gear () and a crown () which are each connected to shaft () of the thermal engine by a controlled coupling () and to a fixed part () of the vehicle by a one-way automatic coupling (). A machine epicyclic gear train () is arranged on a machine shaft () substantially parallel to engine shaft () and connects the epicyclic gear train to a track for motion transmission to a drive axle. The machine epicyclic gear train comprises a sun gear () carried by a sun gear shaft (), a crown () and a planet gear carrier (). A speed variation device () comprises an additional epicyclic gear train () and an engine toothed wheel () carried by the shaft () and connects the shaft to a machine toothed wheel carried by additional epicyclic gear train.