Engine management system

Details Engine management system Engine management system

1995-06-07

1996-12-31

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

F02M 5100

Patent

active

055884156

ABSTRACT:
A method for controlling fuel supplied to an engine includes steps of conducting tests on a representative model of a family of engines to obtain constants and coefficients of operating characteristics of the representative engine under ambient and induced temperatures and pressures, and creating look-up maps from which such coefficients may be obtained to compute actual operating conditions. When an engine is used in performance of normal operations, sensors are provided to determine actual operating temperatures and pressures which are used to select appropriate constants and coefficients for calculating engine fuel requirements in accordance with an algorithm, and using the calculated result to control flow to fuel to the engine under normal operating conditions.

REFERENCES:
patent: 4408585 (1983-10-01), Stuckas
patent: 5103791 (1992-04-01), Tomisawa
patent: 5239971 (1993-08-01), Uchinami
patent: 5349936 (1994-09-01), Uchinami
patent: 5427083 (1995-06-01), Ahern

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