Patent ID: 7819095
Filing Date: 2010-10-26
Classification: F01L,F02D,F02P,Y02T

Abstract:
1. An internal combustion engine comprising: at least one cylinder having at least one intake valve; an electronic valve actuation mechanism for activating the at least one intake valve; at least one ignition coil responsive to an ignition signal for the at least one cylinder such that charge can accumulate in the coil during part of an engine cycle when the ignition signal has a first state, which charge is used to cause ignition for the at least one cylinder when the ignition signal for the cylinder changes to a second state for a further part of the engine cycle; and a control system responsive to an intake valve fault in respect of the at least one cylinder being detected following activation of the at least one intake valve to hold the ignition signal for the at least one cylinder in the first state for a number of cycles of the internal combustion engine.