Engine starting for engine having adjustable valve operation

Details Engine starting for engine having adjustable valve operation Engine starting for engine having adjustable valve operation

2007-10-09

2007-10-09

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Starting device

Control of spark ignition during starting

Reexamination Certificate

active

11128663

ABSTRACT:
A method for controlling an engine having at least two cylinders, at least one of which having at least an adjustable valve, the method comprising before engine rotation closing electrically actuated valves in at least a first and a second cylinder; fueling at least said first cylinder with a first fuel amount and said second cylinder with a second fuel amount; and performing a first spark in at least one of said first cylinder and said second cylinder; and after engine rotation, firing each cylinder of the engine in a sequential firing order without changing a number of strokes in any cylinder of the engine.

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