公开(公告)号：US12247176B2

公开(公告)日：2025-03-11

申请号：US17913607

申请日：2021-03-23

Applicant: TotalEnergies OneTech

Inventor： Gautier Burette ,  François Paoloni

IPC: C10M143/12 ,  C10M143/10 ,  C10M169/04 ,  C10N20/00 ,  C10N20/06 ,  C10N30/00 ,  C10N40/25 ,  C10N60/02

Abstract: The present application relates to the use of a lubricant composition comprising a base oil and a hydrogenated diene styrene polymer to reduce engine particulate emissions.

公开(公告)号：US12247178B2

公开(公告)日：2025-03-11

申请号：US18285040

申请日：2022-03-30

Applicant: TotalEnergies OneTech

Inventor： Gautier Burette ,  Mickael Debord ,  David Senard

IPC: C10M169/04 ,  C10M135/18 ,  C10N20/02 ,  C10N30/00 ,  C10N30/02 ,  C10N30/04 ,  C10N40/00 ,  C10N40/25

Abstract: The application concerns the use of a lubricant composition of grade 0W-8 according to the SAEJ300 classification, comprising at least one base oil, from 1 to 1000 ppm of at least one friction modifying additive and from 0.1 to 10% by weight of at least one polymer improving the viscosity index, said lubricant composition having kinematic viscosity measured at 40° C. according to standard ASTM D445 lower than or equal to 20 mm2/s, kinematic viscosity measured at 100° C. according to standard ASTM D445 lower than 5 mm2/s, and Noack volatility measured at 250° C. according to standard CEC-L-40-A-93 of between 10 and 85%, preferably between 25 and 85%, more preferably between 60 and 85%, for the lubrication of a rechargeable hybrid vehicle engine or a hybrid vehicle engine comprising a range extender.