F - Mech Eng,Light,Heat,Weapons – 02 – D
Patent
F - Mech Eng,Light,Heat,Weapons
02
D
341/38.121
F02D 28/00 (2006.01) F02D 41/06 (2006.01) F02D 41/18 (2006.01) F02P 5/155 (2006.01) F02B 1/04 (2006.01)
Patent
CA 1131736
ABSTRACT ELECTRONIC ENGINE CONTROL An electronic controller (2) for an internal combustion engine (22) provides a ratio control signal corresponding to a respective air/fuel ratio, and responds to an air flow signal, a fuel flow signal and the ratio control signal to control fuel flow as to make the ratio of air flow to fuel flow substantially equal to said res- pective air/fuel ratio. The ratio control signal is developed from a base run ratio control signal as modified in response to various parameters such as engine tempera- ture, manifold pressure, idle, manifold vacuum, fuel temperature, wide open throttle, engine speed, and start. The controller (2) also provides a speed-up circuit (5) for promptly responding to change in air flow and dynamic braking for the fuel metering pump (52). The pump speed circuit (7) includes a range extender (164). The con- troller (2) further provides a timing advance control signal in response to air/fuel ratio and various engine parameters such as engine speed, manifold pressure, throttle position, engine temperature, air temperature, air/fuel ratio, and start.
326101
Autotronic Controls Corp.
Macrae & Co.
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