Internal-combustion engines – Engine speed regulator – By changing valve timing
Reexamination Certificate
2006-12-26
2006-12-26
Kwon, John T. (Department: 3747)
Internal-combustion engines
Engine speed regulator
By changing valve timing
C123S090150
Reexamination Certificate
active
07152579
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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Kluting, Flierl, Grudno and Luttermann; MTZ Magazine, Aug. 1999, “Drosselfreie Laststeuerung miy vollvariablen Ventiltrieben”.
Kotwicki Allan Joseph
Russell John David
Rutkowski Brian D.
Alleman Hall McCoy Russell & Tuttle LLP
Ford Global Technologies LLC
Kwon John T.
Lippa Allan J.
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