Adaptive charge mixture control system for internal...

Details Adaptive charge mixture control system for internal... Adaptive charge mixture control system for internal...

F - Mech Eng,Light,Heat,Weapons

02

D

123/37, 341/38.1

F02D 41/04 (2006.01) F02D 41/14 (2006.01) F02B 3/02 (2006.01)

Patent

CA 1329343

Abstract of the Description An adaptive charge mixture control for an internal combustion engine includes four input signals supplied to an OR gate to generate a net "go rich" signal supplied to a servo motor controlling an air/fuel charge mixture control valve for an internal combustion engine. The servo is also supplied with a "go lean" fixed signal tending to lean out the air/fuel mixture. The four "go rich" signals include a first signal derived from a comparison of engine speed with a predetermined minimum (i.e., idle) level; a second signal derived from comparing throttle positions with a preset minimum throttle position; a third signal derived from comparing engine deceleration rate with a preset engine deceleration rate; and a fourth signal derived from a measurement of engine instantaneous power output.

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