Apparatus for metering an air-fuel mixture to an internal combus

Details Apparatus for metering an air-fuel mixture to an internal combus Apparatus for metering an air-fuel mixture to an internal combus

1985-01-30

1986-10-14

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123494, 123486, 123488, F02B 300

Patent

active

046166181

ABSTRACT:
The invention is directed to an apparatus for metering an air-fuel mixture to an internal combustion engine with an extreme-value control arrangement for controlling to a minimal specific consumption of fuel. The extreme-value control arrangement includes a test signal generator for acting upon the fuel metered to the engine. The rotational speed and a fuel metering signal are applied by the extreme-value control arrangement as actual information with respect to the minimal specific fuel consumption. In particular, the quantities of rotational speed change and the change in duration of fuel injection are utilized to determine the minimal consumption in the case of an internal combustion engine equipped with fuel injection. Further, for a minimal consumption control, it has been shown to be advantageous to consider information as to which gear of the transmission of the engine is in place.

REFERENCES:
patent: 4351281 (1982-09-01), Geiger
patent: 4432322 (1984-02-01), Inoue
patent: 4467764 (1984-08-01), Takasu

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