Fuel based cylinder knock control

Details Fuel based cylinder knock control Fuel based cylinder knock control

2008-06-11

2011-10-18

Gimie, Mahmoud (Department: 3747)

Internal-combustion engines

Charge forming device

Diverse fuel supply

C123S295000, C123S299000, C123S304000, C123S431000

Reexamination Certificate

active

08037874

ABSTRACT:
Various systems and methods are described for controlling operation of engine cylinders, where each cylinder has a first and second injector for delivering fuel. One example method maintains air-fuel ratio in the exhaust by adjusting fuel injection of a common fuel injector type among the cylinders, where different cylinders operate with different combinations of injectors.

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