Diesel engine with differential cylinder group operation

Details Diesel engine with differential cylinder group operation Diesel engine with differential cylinder group operation

2007-07-24

2007-07-24

Solis, Erick (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

C123S299000, C123S090150

Reexamination Certificate

active

11427269

ABSTRACT:
A method for controlling operation of a diesel engine having a plurality of cylinders, the engine including a first group of cylinders and a second group of cylinders, the method comprising of operating the first group of cylinders with a first intake and exhaust valve timing, the first group of cylinders inducting air and performing diesel compression ignition combustion of injected fuel; and operating the second group of cylinders with a second intake and exhaust valve timing, the second group of cylinders inducting air and performing diesel compression ignition combustion of injected fuel, wherein said second intake valve timing is retarded compared to said first intake valve timing or said second exhaust valve timing is advanced compared to said first exhaust valve timing.

REFERENCES:
patent: 5117790 (1992-06-01), Clarke et al.
patent: 6336436 (2002-01-01), Miyakubo et al.
patent: 6735937 (2004-05-01), Sumilla et al.
patent: 6948310 (2005-09-01), Roberts, Jr. et al.
patent: 6951098 (2005-10-01), Xu et al.
patent: 2004/0182359 (2004-09-01), Stewart et al.

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