Method for controlling the composition of a fuel/air mixture...

Details Method for controlling the composition of a fuel/air mixture... Method for controlling the composition of a fuel/air mixture...

2007-08-10

2009-02-24

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Engine speed regulator

Charge proportion varying

C123S406240, C123S406470

Reexamination Certificate

active

07493889

ABSTRACT:
In a method for controlling a composition of a fuel/air mixture supplied to an internal combustion engine, which engine has a speed control circuit maintaining an actual rotary speed of the crankshaft within preset limits and a controllable metering device for at least one component of the fuel/air mixture, a disruptive variable is introduced into the valve control circuit at a predeterminable point in time, the activity of an engine speed control circuit is monitored and evaluated immediately after introducing the disruptive variable, and, depending on the evaluation result, at least one parameter having an effect on the operation of the internal combustion engine is adjusted.

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patent: 2005/0168310 (2005-08-01), Nickel et al.
patent: 2007/0012284 (2007-01-01), Fukushima et al.

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