公开(公告)号：JP2002338986A

公开(公告)日：2002-11-27

申请号：JP2002135203

申请日：2002-05-10

申请人： INFINEUM INT LTD

发明人： LOCKE CHRISTOPHER J ,  STEVENS MARK G ,  WRENCH PETER ,  ARROWSMITH STEPHEN ,  CASTLE REBECCA C ,  GALSWORTHY JANE R

IPC分类号： C10M129/10 ,  C10M129/50 ,  C10M129/54 ,  C10M135/30 ,  C10M141/02 ,  C10M141/08 ,  C10M159/20 ,  C10M159/22 ,  C10M163/00 ,  C10M165/00 ,  C10M167/00 ,  C10M169/04 ,  C10N10/04 ,  C10N20/00 ,  C10N20/02 ,  C10N30/02 ,  C10N30/04 ,  C10N30/06 ,  C10N30/10 ,  C10N40/25

摘要： PROBLEM TO BE SOLVED: To provide a method for using a specific detergent composition contained in a lubricating oil composition for decreasing wear in an engine. SOLUTION: A small amount of a detergent composition containing at least one metal detergent containing a metal salt of an organic acid is used in a lubricating oil composition for decreasing wear in an engine. The detergent composition contains a metal salt of an aromatic carboxylic acid in an amount of more than 50 mol% of the metal salt of the organic acid. The lubricating oil composition contains phosphorus in an amount lower than 0.09 mass% and sulfur in an amount of 0.5 mass% or lower.

公开(公告)号：JP2002105482A

公开(公告)日：2002-04-10

申请号：JP2001290865

申请日：2001-09-25

申请人： INFINEUM INT LTD

发明人： BOVINGTON CHARLES HERBERT ,  LOCKE CHRISTOPHER J ,  KELLY TERENCE

IPC分类号： C10M169/04 ,  C10M101/02 ,  C10M107/02 ,  C10M129/10 ,  C10M129/26 ,  C10M129/54 ,  C10M133/12 ,  C10M133/56 ,  C10M135/10 ,  C10M135/18 ,  C10M135/24 ,  C10M137/10 ,  C10M139/00 ,  C10M143/00 ,  C10M143/06 ,  C10M143/10 ,  C10M143/12 ,  C10M145/14 ,  C10M145/16 ,  C10M147/02 ,  C10M159/20 ,  C10M159/22 ,  C10M159/24 ,  C10M163/00 ,  C10N10/02 ,  C10N10/04 ,  C10N20/02 ,  C10N30/02 ,  C10N30/04 ,  C10N30/06 ,  C10N30/10 ,  C10N40/25

摘要： PROBLEM TO BE SOLVED: To provide a low viscosity lubricating oil which can meet the heavy duty diesel standards. SOLUTION: The low viscosity lubricating oil composition has a specified CCS viscosity and a specified sulfated ash value, and comprises a mixture of (a) a dispersing agent, (b) a calcium element, a magnesium element or both to be derived from at least one cleaning agent, (c) phosphorus, (d) an antioxidant, (e) a pour point depressant, (f) a viscosity improver, and (g) a lubricating oil base stock at specified amounts and has a base blend viscosity at 100 deg.C of the blend or the composition which is obtained by blending all components each to be selected from components (a) to (g) and shows a Newtonian viscosity behavior being at least 8.2 mm2s-1.

公开(公告)号：JP2001303087A

公开(公告)日：2001-10-31

申请号：JP2001077771

申请日：2001-03-19

申请人： INFINEUM INT LTD

发明人： LOCKE CHRISTOPHER J ,  MACDONALD ISABEL P

IPC分类号： C10M169/04 ,  C10M129/10 ,  C10M133/12 ,  C10M133/56 ,  C10M135/10 ,  C10M137/10 ,  C10M139/00 ,  C10M159/24 ,  C10M163/00 ,  C10N10/04 ,  C10N20/04 ,  C10N30/04 ,  C10N30/06 ,  C10N30/10 ,  C10N40/25

摘要： PROBLEM TO BE SOLVED: To obtain a low phosphorus crankcase lubricant having excellent performances for a heavy-duty(HD) internal combustion diesel engine (compression ignition). SOLUTION: This lubricating oil composition is a heavy-duty diesel engine lubricating oil composition containing