Unique oil as a service event
AssigneeCummins Inc.
InventorsRoger Dale England, James D. Kahlenbeck, Corey W. Trobaugh
Life of this patent
Estimating the term…
Abstract
A method of performing a cleanup service on an internal combustion engine. The method involves draining used fleet oil from the engine, filling the engine with cleanup oil, draining the cleanup oil after an operation interval, and filling the engine with fresh fleet oil. The method can be performed as a remedial measure for an engine already exhibiting high oil consumption, or as a preventative measure on a healthy engine.
Claims25
A method of performing a cleanup service on an internal combustion engine, the method comprising:
- draining used fleet oil from the internal combustion engine;
- filling the internal combustion engine with a first cleanup oil;
- operating the internal combustion engine with the first cleanup oil until the next oil change interval;
- draining the first cleanup oil;
- and
- filling the internal combustion engine with fresh fleet oil.
A method of performing a cleanup service on an internal combustion engine, the method comprising:
- filling the internal combustion engine with a first cleanup oil;
- operating the internal combustion engine with the first cleanup oil until the next oil change interval;
- draining the first cleanup oil from the internal combustion engine;
- and
- filling the internal combustion engine with fresh fleet oil.
A method of performing a cleanup service on an internal combustion engine, the method comprising:
- filling the internal combustion engine with an operating cleanup oil comprising an ester-based oil, an alkylated naphthalene and a polyalphaolefin base oil;
- operating the internal combustion engine with the operating cleanup oil until the next oil change interval;
- draining the operating cleanup oil from the internal combustion engine;
- and
- filling the internal combustion engine with fresh fleet oil.
Dependencies are inferred from the claim text.