Invention Grant
US07685976B2 Induction tuning using multiple intake valve lift events 有权
使用多个进气门提升事件进行感应调谐

Induction tuning using multiple intake valve lift events
Abstract:
A tuned induction control system for an engine at or near full load having a piston that is reciprocally disposed in a cylinder includes a first module that actuates an intake valve associated with the cylinder and a second module that determines a second intake valve open timing based on an intake air temperature, pressure and an engine speed. The first module actuates the intake valve during a first intake event and actuates the intake valve during a second intake event that is subsequent to the first intake event. The first and second intake events occur during a common intake stroke of the piston and the intake valve is opened at the second intake valve open timing during the second intake event.
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