Ashless stationary gas engine lubricant
    2.
    发明申请
    Ashless stationary gas engine lubricant 审中-公开
    无灰固体燃气发动机润滑剂

    公开(公告)号:US20050070447A1

    公开(公告)日:2005-03-31

    申请号:US10670889

    申请日:2003-09-25

    IPC分类号: C10M163/00 C10M141/06

    摘要: A low-ash, low-phosphorus lubricant composition suitable for use in a stationary gas engine includes an oil of lubricating viscosity, 1.0 to 8 percent of a succinimide dispersant, 0.8 to 4.0 percent of a hindered, ester-substituted phenol antioxidant, and at least one metal or ammonium-containing sulfonate detergent or metal or ammonium-containing phenate detergent, in an amount which provides 0.1 to 3.0 percent by weight of said sulfonate or phenate moieties exclusive of the weight of the metal or ammonium moieties. The lubricant contains up to 0.08 percent by weight phosphorus and up to 0.2 percent sulfated ash.

    摘要翻译: 适合用于固定式燃气发动机的低灰分,低磷润滑剂组合物包括润滑粘度油,1.0-8%琥珀酰亚胺分散剂,0.8-4.0%受阻酯酯取代苯酚抗氧化剂, 至少一种含金属或铵的磺酸盐洗涤剂或金属或铵的酚盐清净剂,其量为所述磺酸盐或酚盐部分的0.1至3.0重量%,不包括金属或铵部分的重量。 润滑剂含有高达0.08重量%的磷和高达0.2%的硫酸化灰分。