Patent ID: 6225266
Filing Date: 2001-05-01
Classification: C10M,C10N

Abstract:
A zinc-free lubricating composition for lubricating a continuously variable transmission, the lubricating composition comprising a mixture of:(1) a major amount of a lubricating oil; and(2) an effective amount of a performance enhancing additive combination comprising:(a) an ashless dispersant;(b) at least one organic phosphite having the following structure: ##STR9##where R is hydrocarbyl and R.sub.1 is hydrocarbyl or hydrogen;(c) a calcium detergent;(d) one or more friction modifiers selected from the group consisting of:(1) succinimides having the structure ##STR10##wherein R.sub.7 is C.sub.6 to C.sub.30 alkyl, and z=1 to 10, and(2) ethoxylated amines; and(e) a primary amide of a long chain carboxylic acid.