Method and system for predictably controlling air/fuel ratio

Details Method and system for predictably controlling air/fuel ratio Method and system for predictably controlling air/fuel ratio

1997-04-14

1998-08-18

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

F02M 5100

Patent

active

057945969

ABSTRACT:
A method and apparatus for controlling air/fuel ratio of an internal combustion engine at a desired level of richness or leanness utilizes an existing air flow sensor for sensing air flow into the engine and generating a corresponding air flow signal. A signal multiplier multiplies the air flow signal by a constant to generate a modified air flow signal corresponding to the desired level of richness or leanness. A control signal is then generated for controlling the air/fuel ratio to the desired level.

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patent: 5615654 (1997-04-01), Weisman, II et al.

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