Operating system, kit and method for engine

Internal-combustion engines – Charge forming device – Heating of combustible mixture

Reexamination Certificate

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Reexamination Certificate

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07415975

ABSTRACT:
An operating system and method for an engine is provided in which at least some fuel is preheated prior to delivery to the combustion system of the engine. A control system is also provided to operate the engine at higher than normal excess air ratios. The system can be provided in kit form for retrofitting in existing engines.

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patent: 2003/0183209 (2003-10-01), Rigney
patent: 63 050681 (1988-03-01), None
patent: 09 303227 (1997-11-01), None
patent: WO 00/25015 (2000-05-01), None

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