Internal-combustion engines – Charge forming device – Heating of combustible mixture
Reexamination Certificate
2008-04-15
2008-04-15
McMahon, Marguerite (Department: 3747)
Internal-combustion engines
Charge forming device
Heating of combustible mixture
C123S557000, C123S179210
Reexamination Certificate
active
10975269
ABSTRACT:
A fuel injector for vaporizing a liquid fuel for use in an internal combustion engine. The fuel injector includes a plurality of capillary flow passages, each of the plurality of capillary flow passages having an inlet end and an outlet end; a heat source arranged along each of the plurality of capillary flow passages, the heat source operable to heat the liquid fuel in each of the plurality of capillary flow passages to a level sufficient to change at least a portion thereof from the liquid state to a vapor state and deliver a stream of substantially vaporized fuel from each outlet end of the plurality of capillary flow passages; and a valve for metering substantially vaporized fuel to the internal combustion engine, the valve located proximate to each outlet end of the plurality of capillary flow passages. The fuel injector is effective in reducing cold-start and warm-up emissions of an internal combustion engine.
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Elia Mimmo
Linna Jan-Roger
Mello John Paul
McMahon Marguerite
Philip Morris USA Inc.
Roberts Mlotkowski & Hobbes
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