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1. (WO2018002513) DEVICE PROVIDING ROTATIONAL COUPLING BETWEEN AN ENGINE FLYWHEEL AND A CRANKSHAFT

Pub. No.:    WO/2018/002513    International Application No.:    PCT/FR2017/051719
Publication Date: Fri Jan 05 00:59:59 CET 2018 International Filing Date: Wed Jun 28 01:59:59 CEST 2017
IPC: F16D 1/076
F01L 1/047
Applicants: RENAULT S.A.S
Inventors: MILLON, Jean-Pierre
Title: DEVICE PROVIDING ROTATIONAL COUPLING BETWEEN AN ENGINE FLYWHEEL AND A CRANKSHAFT
Abstract:
The invention relates to a coupling device for an engine flywheel (23) rotationally coupled to an internal combustion engine crankshaft (21), characterized in that it comprises a connecting piece (214) between the flywheel (23) and the end of said crankshaft (21) on the flywheel (23) side, the assembly of which comprises a smooth surface, between said connecting piece (214) and a crank web (211) of the crankshaft (21) situated at the end of said crankshaft (21) on the flywheel (23) side, able to accept a rolling bearing (216) with a one-piece mount, the surfaces for contact on said connecting piece (214) and on said end of said crankshaft (21) comprising raised patterns (215) positioned perpendicular to the axis of said crankshaft (21), said patterns (215) on each of said surfaces complementing one another so that the ones can drive the others through mutual collaboration.