Air/fuel engine feedback control system and method

Details Air/fuel engine feedback control system and method Air/fuel engine feedback control system and method

1998-08-10

2000-06-13

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123527, 123575, 123687, 123696, F02D 4114

Patent

active

060736194

ABSTRACT:
A fuel delivery control system suitable for use with internal combustion engines fueled by liquid propane gas or the like. A stepper motor actuated control valve 52, under the control of a closed-loop fuel control logic routine, meters the desired fuel delivery rate. The stepper motor 50 is initially positioned based on an open-loop value related to the given engine speed and load. The stepper motor position is thereafter controlled by a calibrateable function having engine speed as its input.

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patent: 6026787 (2000-02-01), Sun et al.

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