Controlling engine fuel injection

Details Controlling engine fuel injection Controlling engine fuel injection

1989-01-25

1991-04-30

Lall, Parshotam S.

Boots, shoes, and leggings

731182, F02B 300

Patent

active

050124226

ABSTRACT:
The disclosure concerns the control of fuel injection for automatic control of engines simulating the accuracy of fuel injection control that would be obtained with flow sensors and pressure sensors, without actually employing such sensors. This is true because the theoretical model used for estimating the flow is matched with actual system performance. Maching is obtained by estimating a level of the atmospheric pressure, a flow of air passing through a throttle valve and a flow of air flowing into the cylinder, and controlling the fuel injection based upon the flow of air flowing into the cylinder. The result is a highly accurate estimation of the valves.

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patent: 4664090 (1987-05-01), Kabasin
patent: 4750352 (1988-06-01), Kolhoff
patent: 4899280 (1990-02-01), Onari et al.
5th. International Conference on Automotive Electronics, vol. 1985, No. 12, Oct. 29, 1985, London, pp. 69-75; Felger & Plapp.

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