Lubricant composition for air-cooled two-stroke cycle engines

Details Lubricant composition for air-cooled two-stroke cycle engines Lubricant composition for air-cooled two-stroke cycle engines

C - Chemistry, Metallurgy

10

M

C10M 159/16 (2006.01) C10M 163/00 (2006.01)

Patent

CA 2341924

A lubricating oil composition used in air-cooled two-stroke cycle engines having a Mannich detergent and an ashless dispersant, wherein the ratio of the Mannich detergent to ashless dispersant is from 3:1 to 5:1. The detergency additive may also contain at least one of the following compounds: molybdenum, an overbased alkyl oxy benzene sulfonate and an alkylsalicylate. The detergency additive of the present invention provides improved detergency when used in a lubricating oil composition for air-cooled two-stroke cycle engines.

Il s'agit d'une composition d'huile lubrifiante utilisée dans les moteurs à deux temps à refroidissement d'air. Cette composition comprend un détergent Mannich et un dispersant sans cendre, dans lequel le rapport du détergent Mannich au dispersant sans cendre est compris entre 3 et 5. L'additif de détergent peut également contenir au moins un des composés suivants : molybdène, sulfonate de benzène oxy alkyle hyperbasique et alkylsalicylate. L'additif de détergent de la présente invention assure une détergence améliorée lorsqu'il est utilisé dans une composition d'huile lubrifiante pour moteurs à deux temps à refroidissement d'air.

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