Speed control method

Details Speed control method Speed control method

2005-09-20

2005-09-20

Kwon, John T. (Department: 3747)

Internal-combustion engines

Engine speed regulator

By changing valve timing

C123S090150, C060S600000

Reexamination Certificate

active

06945225

ABSTRACT:
A method for controlling an engine having both an electronically controlled inlet device, such as an electronic throttle unite, and an electronically controlled outlet device, such as a variable cam timing system is disclosed. The method of the present invention achieves cylinder air charge control that is faster than possible by using an inlet device alone. In other words, the method of the present invention controls cylinder air charge faster than manifold dynamics by coordination of the inlet and outlet device. This improved control is used to improve various engine control functions.

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