VALVETRAIN CONTROL SYSTEMS WITH LIFT MODE TRANSITIONING BASED ENGINE SYNCHRONIZATION TIMING AND SENSOR BASED LIFT MODE CONTROL

A valve control system for an internal combustion engine includes a valve actuation system. The valve actuation system includes lift control valves that actuate at least one of an intake valve and an exhaust valve between N open lift modes, where N is an integer greater than one. A control module en...

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Bibliographic Details
Main Author RAYL ALLEN B
Format Patent
LanguageEnglish
Published 12.03.2009
Subjects
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ENGINE PLANTS IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ENGINES
TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
WEAPONS
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Summary:A valve control system for an internal combustion engine includes a valve actuation system. The valve actuation system includes lift control valves that actuate at least one of an intake valve and an exhaust valve between N open lift modes, where N is an integer greater than one. A control module enables transitioning of at least one of the intake valve and the exhaust valve between the open lift modes. The control module synchronizes transitions between the N open lift modes with crankshaft and valvetrain timing. The control module generates an engine position synchronization signal based on the transitioning.
Bibliography:Application Number: US20080062869