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U.S. Department of Energy
Office of Scientific and Technical Information

Method and means for cleaning fuel injection engines

Patent ·
OSTI ID:6420980

The patent describes the combination of an injection-type internal combustion engine having an engine block, a combustion chamber in the block, a fuel injection system including a fuel manifold and fuel injectors, a fuel tank, fuel supply return liens extending between the engine and the fuel tank, a fuel pump in the fuel supply line; and a device for cleaning the injection system of the engine, comprising: a closed container having a fluid inlet port; an air valve in the upper portion of the container for introducing air under pressure into the container; a fluid exit port in the lower part of the container for removing fluid from the container; and fluid in the lower part of the container comprising a mixture of engine fuel and engine cleaning solvent.

Assignee:
NOV; EDB-87-124012; NOV-87-066436
Patent Number(s):
US 4671230
OSTI ID:
6420980
Country of Publication:
United States
Language:
English