Lubricant composition suitable for direct fuel injected, crankca

Details Lubricant composition suitable for direct fuel injected, crankca Lubricant composition suitable for direct fuel injected, crankca

1998-06-24

2000-03-21

Brouillette, Gabrielle

Solid anti-friction devices, materials therefor, lubricant or se

Lubricants or separants for moving solid surfaces and...

Organic phosphorus compound, wherein the phosphorus is...

508486, C10M12968

Patent

active

060402792

ABSTRACT:
A lubricant composition is disclosed that is suitable for direct fuel injected, crankcase-scavenged two-stroke cycle engines. That lubricant composition has a major amount of at least one oil of lubricating viscosity, a minor amount of a lubricity additive, a polyalkyl amide, an imidazoline, a polyisobutylene, and a functionalized polyisobutylene. The lubricity additive contains glycerol monooleate, an acid aliphatic aromatic amine-phosphate, and sodium sulfonate. The acid aliphatic aromatic amine-phosphate has a phosphorus/oxygen atom ratio of from 4.0:1 to 4.5:1, and at least 1.2 equivalents of acid to 1.0 equivalents of base.

REFERENCES:
patent: 3004837 (1961-10-01), Riemenschneider
patent: 3085975 (1963-04-01), Jennings
patent: 3753905 (1973-08-01), Souillard et al.
patent: 5064546 (1991-11-01), Dasai

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