초록

Power transmitting fluids, especially automatic transmission fluids, possess improved properties such as antiwear, durability, antioxidation, and shift-time performance by incorporation of high viscosity polyalphaolefins.

대표청구항 ▼

[ What is claimed is:] [1.] An automobile transmission of improved performance, in combination with a fluid comprising:(a) no less than 50 weight percent of a natural lubricating oil having a kinematic viscosity from 1 to 10 mm.sup.2 /s when measured at 100.degree. C.;(b) up to 49 weight percent of

[ What is claimed is:] [1.] An automobile transmission of improved performance, in combination with a fluid comprising:(a) no less than 50 weight percent of a natural lubricating oil having a kinematic viscosity from 1 to 10 mm.sup.2 /s when measured at 100.degree. C.;(b) up to 49 weight percent of a synthetic lubricating oil having a kinematic viscosity from 1 to 10 mm.sup.2 /s when measured at 100.degree. C., and(c) from 1 to 25 weight percent of a high viscosity polyalphaolefin having a kinematic viscosity from 40 to 500 mm.sup.2 /s when measured at 100.degree. C.