Power transmission fluids
First Claim
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1. A power transmission fluid composition, comprising:
- (a) a base oil and (b) an additive composition comprising;
an ashless dispersant and an oil-soluble aliphatic tertiary amine component, wherein the oil-soluble aliphatic tertiary amine component comprises an oil-soluble aliphatic tertiary amine of the formula , wherein the R1 group comprises an alkyl or alkenyl group having about 1 to about 4 carbon atoms, and the R2 and R3 groups independently comprise any one of an alkyl, an alkenyl, an alkoxyalkyl, an alkynyl, an alkylthioalkyl, a haloalkyl, and a haloalkenyl group, having from about 8 to about 100 carbon atoms.
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Abstract
A power transmission fluid composition having improved characteristics. The fluid may include a base oil and an additive composition, wherein the additive composition includes an ashless dispersant and an oil-soluble aliphatic tertiary amine. The resulting fluid may have improved durability characteristics.
101 Citations
37 Claims
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1. A power transmission fluid composition, comprising:
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(a) a base oil and (b) an additive composition comprising;
an ashless dispersant and an oil-soluble aliphatic tertiary amine component, wherein the oil-soluble aliphatic tertiary amine component comprises an oil-soluble aliphatic tertiary amine of the formula , wherein the R1 group comprises an alkyl or alkenyl group having about 1 to about 4 carbon atoms, and the R2 and R3 groups independently comprise any one of an alkyl, an alkenyl, an alkoxyalkyl, an alkynyl, an alkylthioalkyl, a haloalkyl, and a haloalkenyl group, having from about 8 to about 100 carbon atoms. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of improving the friction durability of a transmission fluid comprising:
preparing a transmission fluid by adding to a base oil, an additive composition comprising;
an ashless dispersant and an oil-soluble aliphatic tertiary amine component, wherein the oil-soluble aliphatic tertiary amine component comprises an oil-soluble aliphatic tertiary amine of the formula , wherein the R1 group comprises an alkyl or alkenyl group having about 1 to about 4 carbon atoms, and the R2 and R3 groups independently comprise any one of an alkyl, an alkenyl, an alkoxyalkyl, an alkynyl, an alkylthioalkyl, a haloalkyl, and a haloalkenyl group, having from about 8 to about 100 carbon atoms. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37)
Specification