Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1983-04-29
1985-04-09
Moy, Magdalen Y. C.
Internal-combustion engines
Charge forming device
Fuel injection system
123459, F02M 3900
Patent
active
045094861
ABSTRACT:
A fuel supply system for an internal combustion engine continuously injects fuel into the intake air stream for each cylinder or other combustion zone. The fuel metering for each other combustion zone is performed by a metering unit individually serving that zone and responsive to a control pressure the value of which is dependent on various engine conditions so that the rate of fuel injection meets engine requirements. A cold idle feature provides an enhanced idle fuel rate of flow following start up of a cold engine. The system may be designed to retain system pressure for a long time after stopping the engine to prevent vapor lock and there are no atmospheric vents anywhere in the system so there are no evaporative emissions to contend with during running or shut down of the system.
REFERENCES:
patent: 3010442 (1961-11-01), Hamilton
patent: 3029800 (1962-04-01), Armstrong
patent: 3473523 (1969-10-01), Hilborn
patent: 3739762 (1973-06-01), Jackson
patent: 4171099 (1979-10-01), Kopse et al.
patent: 4206735 (1980-06-01), Miles et al.
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