Automotive-engine fuel supply system

Details Automotive-engine fuel supply system Automotive-engine fuel supply system

1986-09-11

1987-12-08

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123487, F02D 4110

Patent

active

047112000

ABSTRACT:
A fuel supply system controls the amount of fuel to form a stoichiometric combustible mixture during a normal operating condition of the engine. The mixture is enriched during a transient condition to lower the exhaust gas temperature and to reduce the heat load on the exhaust system. Fuel enrichment is delayed for a delay time which varies depending on the time interval between successive acceleration cycles, to minimize fuel consumption while avoiding overheating of the exhaust system.

REFERENCES:
patent: 4488529 (1984-12-01), Nishida et al.

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