EP 1724330 A1 20061122 - Use of lubricating oil compositions to reduce wear in passenger car motor engines having a rotating tappet
Title (en)
Use of lubricating oil compositions to reduce wear in passenger car motor engines having a rotating tappet
Title (de)
Verwendung von Schmierölzusammensetzungen zur Verschleissreduzierung von mit drehendem Zapfer versehenen Personenkraftwagenmotoren
Title (fr)
Utilisation de compositions d'huile lubrifiante pour réduire l'usure dans le moteur d'automobiles equipés d'une tringlerie tournante
Publication
Application
Priority
- EP 05253122 A 20050520
- EP 06112913 A 20060421
Abstract (en)
The present invention relates to a method of lubricating a passenger car motor vehicle engine having a rotating tappet, comprising lubricating the engine with a lubricating oil composition having up to 0.09 wt% phosphorus, 0.4 wt % sulphur and 1.0 wt% sulphated ash, and being substantially free of friction-modifier.
IPC 8 full level
C10M 171/00 (2006.01); C10N 40/25 (2006.01)
CPC (source: EP)
C10M 171/00 (2013.01); C10N 2030/06 (2013.01); C10N 2030/40 (2020.05); C10N 2030/42 (2020.05); C10N 2030/44 (2020.05); C10N 2030/45 (2020.05); C10N 2030/52 (2020.05); C10N 2030/54 (2020.05); C10N 2040/253 (2020.05); C10N 2040/255 (2020.05)
Citation (applicant)
- US 4164473 A 19790814 - COUPLAND KEITH [CA], et al
- US 4479883 A 19841030 - SHAUB HAROLD [US], et al
- EP 0013469 A1 19800723 - EXXON RESEARCH ENGINEERING CO [US]
- GB 2068380 A 19810812 - LUBRIZOL CORP
- US 6723685 B2 20040420 - HARTLEY ROLFE J [US], et al
- WO 03064568 A2 20030807 - EXXONMOBIL RES & ENG CO [US]
- US 4702850 A 19871027 - GUTIERREZ ANTONIO [US], et al
- M. BELZER, JOURNAL OF TRIBOLOGY, vol. 114, 1992, pages 675 - 682
- BELZER; S. JAHANMIR, LUBRICATION SCIENCE, vol. 1, 1988, pages 3 - 26
Citation (search report)
- [PX] EP 1535985 A1 20050601 - NIPPON OIL CORP [JP] & WO 2004020558 A1 20040311 - NIPPON OIL CORP [JP], et al
- [X] EP 1167497 A2 20020102 - CHEVRON ORONITE JAPAN LTD [JP]
- [A] US 2003148895 A1 20030807 - ROBSON ROBERT [GB], et al
- [DA] WO 03064568 A2 20030807 - EXXONMOBIL RES & ENG CO [US]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
DOCDB simple family (application)
EP 06112913 A 20060421