Metering device for air assisted fuel injection

Details Metering device for air assisted fuel injection Metering device for air assisted fuel injection

1996-10-09

1997-09-02

Kamen, Noah P.

Internal-combustion engines

Engine speed regulator

Idle speed control

123585, 137628, F02D 4116

Patent

active

056620837

ABSTRACT:
In an engine air assisted fuel injection system, it is desirable to provide a first range of air flow during engine idle and at low loading conditions. At greater engine speeds and higher loading conditions, a substantially greater second range of air flow is desired. This flow characteristic is achieved by the subject air metering device having dual valve members mounted on an axially positionable shaft. The valves are mounted so that initial movements of the shaft opens only one valve to provide flows within the first range. Further movement of the shaft then opens the second valve to provide flows within the second range.

REFERENCES:
patent: 1076446 (1913-10-01), Pape
patent: 3335756 (1967-08-01), McPherson
patent: 3740106 (1973-06-01), Horowitz
patent: 4096784 (1978-06-01), Ongaro
patent: 4387695 (1983-06-01), Hoppel et al.
patent: 4796594 (1989-01-01), Duret
patent: 5156133 (1992-10-01), Sugimoto et al.
patent: 5207204 (1993-05-01), Kawachi et al.
"Develpment of Air-Assisted Injector System", Toyota Motor Corp., Aisan Industry Corp.,Ltd.

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