Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Heterocyclic ring compound; a heterocyclic ring is one...
Reexamination Certificate
2005-01-25
2005-01-25
McAvoy, Ellen M. (Department: 1764)
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Heterocyclic ring compound; a heterocyclic ring is one...
C508S433000, C508S482000, C508S485000, C508S496000, C508S542000, C508S591000
Reexamination Certificate
active
06846782
ABSTRACT:
This invention relates to a method of reducing intake valve deposits in a direct injection engine, the method comprising lubricating the engine with a lubricating oil composition comprising a base oil mixture, the base oil mixture comprising (i) a Group III, a Group IV oil, or a mixture thereof, in combination with (ii) a synthetic ester oil, the weight ratio of (i) to (ii) being from about 0.2:1 to about 6:1.
REFERENCES:
patent: 5652204 (1997-07-01), Cracknell et al.
patent: 6060437 (2000-05-01), Robson et al.
patent: 6232279 (2001-05-01), Steigerwald
patent: 6235691 (2001-05-01), Boffa et al.
patent: 6331510 (2001-12-01), Curtis et al.
patent: 6444624 (2002-09-01), Walker et al.
patent: 6475251 (2002-11-01), Ahmadi
patent: 6583092 (2003-06-01), Carrick et al.
patent: 6586374 (2003-07-01), Paul
patent: 6649576 (2003-11-01), Bell et al.
patent: 0 648 830 (1995-04-01), None
patent: 9615210 (1996-05-01), None
patent: 9918175 (1999-04-01), None
SAE Technical Paper 1999-01-1498, Arters et al., May, 1999, “A Comparison of Gasoline Direct-Injection and Port Fuel Injection Vehicles; Part 1”.
Internet site http//www.mitsubishi-motors.co.jp/inter/technology/GDIEC/gdi_ov/5p.html, accessed May 3, 2002, “The Ultimate Engine—The GDI Engine”.
Internet site http://www.mitsubishi-motors.co.jp/GDI2000/p01.htm, (p. 1), p02.htm , (p. 2), /p06.htm, (p. 6), and p11.htm (p. 11), accessed May 3, 2002, GDI, “Gasoline Direct Injection”.
Internet site http://www.mitsubishi-motors.co.jp/inter/entrance.html, and /inter/technology/technology.html, accessed May 3, 2002, “Mitsubishi Motors”.
International Search Report and Written Opinion, Application No. PCT/US2004/005073, dated Jul. 6, 2004.
Mackney et al.; “Reducing Deposits in a DISI Engine”; Society of Automotive Engineers, Inc.; SAE Technical Paper Series, No. 2002-01-2660; Oct. 21, 2002, XP002286798.
Esposito Michael F.
McAvoy Ellen M.
Shold David M.
The Lubrizol Corporation
LandOfFree
Method of reducing intake valve deposits in a direct... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method of reducing intake valve deposits in a direct..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method of reducing intake valve deposits in a direct... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3426566