Internal-combustion engines – Charge forming device – Heating of combustible mixture
Reexamination Certificate
2008-11-13
2010-11-30
Huynh, Hai H (Department: 3747)
Internal-combustion engines
Charge forming device
Heating of combustible mixture
C123S480000, C123S526000, C123S527000
Reexamination Certificate
active
07841322
ABSTRACT:
The instant invention provides an apparatus and system for cooling the air charge of an internal combustion engine. More specifically, the instant invention provides an air-induction system suitable to provide cooled air charges to turbocharged, supercharged or naturally aspirated internal combustion engines to increase power output while reducing engine emissions. The system utilizes gaseous fuel stored as a liquid wherein the liquefied gaseous fuel is vaporized and warmed at least partially with heat removed from the intake air charge supplied to the engine from the turbocharger or supercharger. In a preferred embodiment, the compressed intake combustion air is first cooled in an aftercooler against an ambiently cooled coolant and is subsequently cooled further by the chiller of the instant invention which utilizes the change in phase, between liquid and gas, of the alternative fuel to cool the incoming air charge. The fuel, in the gaseous phase, is then supplied to the engine in a controlled manner for combustion by the engine. The operation of this system is measured and controlled by a control box mounted in the engine compartment.
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Dynamic Fuel Systems Inc.
Huynh Hai H
McHale & Slavin P.A.
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