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公开(公告)号:US09206374B2
公开(公告)日:2015-12-08
申请号:US13328310
申请日:2011-12-16
IPC分类号: C10M141/10 , C10M169/04 , C10M137/10 , C10M159/22 , C10M163/00
CPC分类号: C10M163/00 , C10M2203/02 , C10M2203/1006 , C10M2207/262 , C10M2215/28 , C10M2223/045 , C10M2229/02 , C10N2220/027 , C10N2230/04 , C10N2230/40 , C10N2230/52 , C10N2240/102 , C10N2210/02
摘要: Disclosed herein is a trunk piston engine lubricating oil composition comprising (a) a major amount of an oil of lubricating viscosity; (b) one or more carboxylate-containing detergents comprising a salt of an alkyl-substituted hydroxyaromatic carboxylic acid, wherein at least about 50% of the alkyl moiety of the alkyl-substituted hydroxyaromatic carboxylic acid comprises C26+ alkyl groups derived from one or more normal alpha olefins; and (c) one or more zinc dithiophosphates in an amount of about 0.02 to about 0.12 wt. % in terms of phosphorus content.
摘要翻译: 本文公开了一种躯干活塞发动机润滑油组合物,其包含(a)主要量的润滑粘度的油; (b)一种或多种含羧酸盐的洗涤剂,其包含烷基取代的羟基芳族羧酸的盐,其中至少约50%的烷基取代的羟基芳族羧酸的烷基部分包含衍生自一种或多种正常 α-烯烃; 和(c)一种或多种二硫代磷酸锌,其量为约0.02至约0.12wt。 以磷含量计。