Air assisted fuel injector

Details Air assisted fuel injector Air assisted fuel injector

1997-07-21

1999-08-10

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Combining of separately supplied fluids

And valving means controlling flow for combining

2394173, 239423, 2395851, F02M 5106

Patent

active

059345675

ABSTRACT:
An air assisted fuel injector for an internal combustion engine includes a fuel nozzle having a fuel orifice and a targeting section cooperating with the fuel nozzle for targeting atomized fuel within the engine. A throttling section in disposed upstream of the targeting section and cooperates with the fuel nozzle. The throttling section throttles assist air prior to the air atomizing the fuel emerging from the fuel orifice. Thus, any adverse effects on fuel flow from the fuel injector due to back pressure variability downstream of the fuel nozzle are reduced. In a preferred embodiment, an air shroud is fitted on the nozzle of the fuel injector and includes both the throttling section and the targeting section.

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patent: 5785251 (1998-07-01), Wood

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