Internal-combustion engines – Combustion chamber means having fuel injection only – Having a particular relationship between injection and...
Reexamination Certificate
2005-10-25
2005-10-25
Gimie, Mahmoud (Department: 3747)
Internal-combustion engines
Combustion chamber means having fuel injection only
Having a particular relationship between injection and...
C123S299000
Reexamination Certificate
active
06957640
ABSTRACT:
A compression ignition engine (60) has a control system (66) for processing data, one or more combustion chambers (62), and fuel injectors (64) for injecting fuel into the chambers. The control system controls fueling using a result of the processing of certain data, such as engine speed and engine load, to select one of three fueling modes (HCCI+RVT, HCCI+VVT, CD+RVT) for operating the engine. When the result of the processing selects the HCCI+RVT mode, intake valves operate with regular valve timing (RVT), and the engine is fueled to cause homogeneous-charge compression-ignition (HCCI) combustion. When the result of the processing selects the HCCI+VVT mode, intake valve timing is changed relative to RVT, and the engine is fueled to cause HCCI combustion. When the result of the processing selects the CD+RVT mode, the intake valves operate with RVT, and the engine is fueled to cause CD combustion.
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Liu Zhengbai
Sullivan Dennis Kelly
Wei Puning
Calfa Jeffrey P.
Gimie Mahmoud
International Engine Intellectual Property Company LLC
Lukasik Susan L.
Sullivan Dennis Kelly
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