Cleaning internal combustion engines while running

Details Cleaning internal combustion engines while running Cleaning internal combustion engines while running

1993-12-27

1995-10-24

Jones, W. Gary

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 18, 134 2218, 134 2219, 134 24, 134 39, 134169A, 134169R, 134 56R, 134 57R, 123196A, 123196R, 184 15, 210168, 210295, B08B 908

Patent

active

054606560

ABSTRACT:
Engine cleaning is affected at different times while the engine is running. Apparatus for cleaning internal combustion engines cyclically draws cleaning fluid from a reservoir by a pump, flushes the fluid through the block of the internal combustion engine, and returns the fluid to the reservoir. Tank selection valves alternately couple one of a pair of reservoir tanks to the pump, to the exclusion of another tank. One tank can be dedicated for use to clean gasoline powered internal combustion engines to preserve the characteristic color of the cleaning fluid, while the other tank can be utilized to clean diesel powered internal combustion engines. The system is operated through first flushing and soaking periods and through second flushing and soaking periods. A first tank in a pair is used to initially pump and recover cleaning fluid during the first flushing and soaking periods. The other tank in the pair is then used to subsequently pump and recover cleaning fluid during the second flushing and soaking periods.

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