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    • 6. 发明授权
    • Demulsified extended life functional fluid
    • 分解延长寿命功能液
    • US3920562A
    • 1975-11-18
    • US32947673
    • 1973-02-05
    • CHEVRON RES
    • FOEHR EDWARD G
    • C10M1/48
    • C10M1/08
    • Functional fluid lubricating oil compositions are provided which comprise (A) a major amount of an oil of lubricating viscosity, and (B) an effective amount of each of the following: (1) an alkyl succinimide, (2) a Group II metal salt of a dihydrocarbyl dithiophosphoric acid, (3) a hydroxy fatty acid ester of a dihydric or polyhydric alcohol or oil-soluble alkoxylated derivatives thereof, and (4) a Group II metal salt of a hydrocarbyl sulfonic acid. Such lubricating compositions are useful as functional fluids in systems requiring fluid coupling, hydraulic fluid and/or lubrication of relatively moving parts. The lubricating compositions of the invention are particularly useful as the functional fluid in automatic transmissions, particularly in passenger automobiles. In addition, the fluids do not form stable emulsions with water.
    • 提供功能性流体润滑油组合物,其包含(A)主要量的润滑粘度的油,和(B)有效量的以下各项:(1)烷基琥珀酰亚胺,(2)第II族金属盐 的二烃基二硫代磷酸,(3)二元醇或多元醇的羟基脂肪酸酯或其油溶性烷氧基化衍生物,和(4)第二族烃磺酸金属盐。 这种润滑组合物可用作需要流体耦合,液压流体和/或相对运动部件的润滑的系统中的功能流体。 本发明的润滑组合物特别可用作自动变速器中的功能流体,特别是在乘用车中。 此外,流体不能与水形成稳定的乳液。