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公开(公告)号:US20110245120A1
公开(公告)日:2011-10-06
申请号:US13075223
申请日:2011-03-30
Applicant: Richard D. Bertram , Daniel Whyte , Matthew D. Irving
Inventor: Richard D. Bertram , Daniel Whyte , Matthew D. Irving
IPC: C10M133/44 , C10M129/26 , C10M135/10
CPC classification number: C10M163/00 , C10M167/00 , C10M2203/10 , C10M2203/102 , C10M2207/262 , C10M2215/28 , C10M2219/046 , C10M2219/068 , C10M2223/045 , C10M2227/09 , C10N2210/06 , C10N2230/02 , C10N2230/06 , C10N2230/12 , C10N2230/40 , C10N2230/42 , C10N2230/43 , C10N2230/45 , C10N2230/72 , C10N2240/10 , C10N2240/102 , C10N2220/022 , C10N2210/02
Abstract: A lubricating oil composition having a phosphorus content of up to 0.12 wt %, a sulfated ash content of up to 1.2 wt % comprising (a) a major amount of an oil of lubricating viscosity; (b) an alkali metal or alkaline earth metal alkyl salicylate lubricating oil detergent providing from 7-15 mmol salicylate soap per kilogram of lubricating oil composition; (c) one or more dispersants providing the lubricating oil composition with from at least 0.12 wt % to 0.20 wt % atomic nitrogen, based on the weight of the lubricating oil composition, and (d) a dispersant-viscosity modifier.
Abstract translation: 磷含量高达0.12重量%,硫酸盐灰分高达1.2重量%的润滑油组合物,其包含(a)主要量的润滑粘度的油; (b)碱金属或碱土金属烷基水杨酸酯润滑油洗涤剂,每千克润滑油组合物提供7-15毫摩尔水杨酸皂; (c)基于润滑油组合物的重量,提供润滑油组合物至少0.12重量%至0.20重量%的原子氮的一种或多种分散剂,和(d)分散剂 - 粘度改性剂。