Control apparatus for a fuel metering system in an internal comb

Details Control apparatus for a fuel metering system in an internal comb Control apparatus for a fuel metering system in an internal comb

1980-11-21

1983-06-14

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123453, F02B 302, F02D 500

Patent

active

043876870

ABSTRACT:
A control apparatus is proposed for a fuel metering system of an internal combustion engine having at least one additively functioning warmup enrichment circuit. The apparatus is characterized in that the additive enrichment can be reduced during overrunning. The purpose of this feature is to maintain the cleanest possible exhaust gas even during the warmup phase during overrunning. This is attained, for instance, by means of a logical linkage of an overrunning recognition signal and the output signal of an additively functioning correction circuit for the metering signal.

REFERENCES:
patent: 3463130 (1969-08-01), Reichardt
patent: 3742920 (1973-07-01), Black
patent: 4159697 (1979-07-01), Sweet
patent: 4173953 (1979-11-01), Pocholle
patent: 4193380 (1980-03-01), Marchak et al.
patent: 4198932 (1980-04-01), Reddy et al.
patent: 4208991 (1980-06-01), Reddy
patent: 4266522 (1981-05-01), Williams et al.

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