Corrosion-retarding functional fluid

Details Corrosion-retarding functional fluid Corrosion-retarding functional fluid

1976-02-02

1977-03-01

Davis, C.

Compositions

Electrolytes for electrical devices

252 334, 252 427, 252 488, 252 58, 252388, C10M 148

Patent

active

040101061

ABSTRACT:
Functional fluid lubricating oil compositions are provided which comprise (A) an oil of lubricating viscosity, and (B) an effective amount of each of the following: (1) an alkenyl succinimide, (2) a Group II metal salt of a dihydrocarbyl dithiophosphoric acid, (3) a frictional modifier, (4) a basic sulfurized alkaline earth metal alkyl phenate, and (5) a chlorinated olefin containing from about 15 to 50 carbon atoms, from 20 to 60% by weight chlorine, and having a boiling point of at least about 300.degree. F. 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.

REFERENCES:
patent: 3344074 (1967-09-01), Bowers
patent: 3361667 (1968-01-01), Wenborne et al.
patent: 3796662 (1974-03-01), Lyle et al.
patent: 3898169 (1975-08-01), Kretzinger et al.
patent: 3933662 (1976-01-01), Lowe

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