Method of preparing an internal combustion engine for use with e

Details Method of preparing an internal combustion engine for use with e Method of preparing an internal combustion engine for use with e

1991-11-05

1993-08-24

Silverman, Stanley S.

Coating processes

Interior of hollow article coating

Metal base

427327, 427435, 427142, 134 2219, 134 36, 134 38, 134 40, 184 15, 184 621, B08B 308, B05D 722

Patent

active

052387127

ABSTRACT:
A process for converting the lubrication system of an internal combustion engine from a system using an oil containing metallic and chemical friction modifiers, to an oil substantially devoid of such modifiers. A solvent and a perfluoroethylene resin are added to the existing oil in the lubrication system of the engine in sufficient amounts to remove oil residue or varnish from the surfaces within the lubrication system, and to coat the surfaces with perfluoroethylene resin. The oil, solvent and perfluoroethylene resin are circulated throughout the lubrication system for a time sufficient to remove oil residue or varnish from the surfaces within the lubrication system of the engine, and to coat the surfaces with perfluoroethylene resin. The oil, solvent and residual perfluoroethylene resin are evacuated from the lubrication system of the engine, and an oil substantially devoid of metallic and chemical friction modifiers is added to the lubrication system of the engine.

REFERENCES:
patent: 3431145 (1969-03-01), Riley
patent: 3797507 (1974-03-01), Jackson
patent: 4033784 (1977-07-01), Lawson et al.
patent: 4174231 (1979-11-01), Hobgood
patent: 4396436 (1983-08-01), Laemmle et al.
patent: 4925496 (1990-05-01), Stonky et al.
patent: 5068129 (1991-11-01), Smith et al.

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