Engine method

Details Engine method Engine method

2007-12-25

2007-12-25

Kwon, John T. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Charge volume varying

C123S322000, C123S347000

Reexamination Certificate

active

11644632

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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