Variable incremental activation and deactivation of...

Details Variable incremental activation and deactivation of... Variable incremental activation and deactivation of...

2007-06-19

2007-06-19

Solis, Erick (Department: 3747)

Internal-combustion engines

Charge forming device

Fuel injection system

C123S19800E

Reexamination Certificate

active

11017364

ABSTRACT:
A method of regulating displacement in a displacement on demand engine includes determining a desired engine displacement and determining a current engine displacement. The method further includes adjusting activation of a first cylinder to partially achieve the desired engine displacement and subsequently adjusting activation of a second cylinder to fully achieve the desired engine displacement from the current engine displacement. The method adjusts activation of the cylinders one at a time to reduce vibration in the engine.

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