Patent ID: 6728625
Filing Date: 2004-04-27
Classification: F02B,F02D,Y02T

Abstract:
An apparatus for determining a value indicative of a desired charge density of a combustion mixture for an engine having an inlet air pathway, comprising:a first sensor coupled with the engine and operable to determine a first characteristic indicative of an engine speed of the engine, and to transmit an engine speed signal as a function thereof; a second sensor coupled with the engine and operable to determine a second characteristic indicative of a load on the engine, and to transmit an engine load signal as a function thereof; a third sensor operable to determine a third characteristic indicative of a humidity of air in the inlet air pathway and to transmit a humidity signal as a function thereof; and a processing device coupled with the first sensor to receive the engine speed signal, with the second sensor to receive the engine load signal, and with the third sensor to receive the humidity signal, the processing device operable to determine a value indicative of a desired charge density for the combustion mixture as a function of the engine speed signal, the engine load signal, and the humidity signal.