Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Reexamination Certificate
2007-07-31
2007-07-31
McMahon, Marguerite (Department: 3747)
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
C123S003000, C123SDIG012
Reexamination Certificate
active
11330466
ABSTRACT:
A hydrogen augmented diesel crankcase ventilation system uses hydrogen to allow crankcase fumes, for example blow-by, to be burned by the engine. The system preferably includes a hydrogen generation system as a hydrogen source connected to an engine air intake by a first hose, a second hose connecting the crankcase to the air intake, and a third hose connecting a fresh air source to the crankcase. An orifice or a vacuum regulator in cooperation with the second hose may be included to regulate crankcase vacuum. A filter may reside inline with the second hose to capture solids or liquids which enter the second hose from the crankcase. A back flow preventor may be included in cooperation with the third hose to prevent a back flow of crankcase fumes through the third hose.
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Averill, Jr. Edgar W.
Green Kenneth L.
McMahon Marguerite
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