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:
Feb. 11, 2014
Filed:
Aug. 11, 2010
Fabio Pesola, Orbassano, IT;
Gianluigi Pregnolato, Orbassano, IT;
Andrea Piazza, Orbassano, IT;
Marco Garabello, Orbassano, IT;
Valter Pastorello, Orbassano, IT;
Fabio Pesola, Orbassano, IT;
Gianluigi Pregnolato, Orbassano, IT;
Andrea Piazza, Orbassano, IT;
Marco Garabello, Orbassano, IT;
Valter Pastorello, Orbassano, IT;
C.R.F. Societa' Consortile per Azioni, Orbassano (Torino), IT;
Abstract
The hybrid propulsion system for an internal combustion engine having a mechanical gearbox and an electric machine. A gear shift device includes a plurality of sliding engagement sleeves, each arranged to connect a driven gearwheel for rotation with the respective secondary shaft, a corresponding plurality of sliding shift forks, each arranged to cause a respective engagement sleeve to slide between a neutral position and at least one shift position, a rotary drum having on its outer cylindrical surface a corresponding plurality of guide grooves in each of which a respective stud slidably engages for translation with a respective shift fork in the sliding direction of this latter, and an actuation unit arranged to cause the drum to rotate stepwise among a plurality of angular positions each corresponding to predetermined positions of the engagement sleeves.