Internal-combustion engines – Charge forming device – Including cylinder pressure or temperature responsive means
Reexamination Certificate
2005-01-18
2005-01-18
Kwon, John T. (Department: 3747)
Internal-combustion engines
Charge forming device
Including cylinder pressure or temperature responsive means
Reexamination Certificate
active
06843231
ABSTRACT:
A method and apparatus for balancing a combustion phasing between a plurality of cylinders located in an engine. The method and apparatus includes a determining a combustion timing in each cylinder, establishing a baseline parameter for a desired combustion timing, and varying actuation of at least one of a plurality of intake valves, each intake valve being in fluid communication with a corresponding cylinder, such that the combustion timing in each cylinder is substantially equal to the desired combustion timing.
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Duffy Kevin P.
Kieser Andrew J.
Kilkenny Jonathan P.
Caterpillar Inc
Kwon John T.
Lundquist Steve D
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