Fuel injection apparatus with wetting action

Details Fuel injection apparatus with wetting action Fuel injection apparatus with wetting action

1978-11-17

1980-02-05

Myhre, Charles J.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119R, 261DIG78, F02M 3900, F02B 3300

Patent

active

041867084

ABSTRACT:
A fuel injection apparatus with wetting action for use on a spark ignition internal combustion engine has a fuel injector positioned coaxially above the upstream end of an associated upstanding cylindrical throttle bore in a throttle body so as to discharge liquid fuel in a pulsed spray pattern toward the bore wall above the circular disc type throttle valve pivotably supported in the throttle bore to control air flow therethrough. The spray pattern is such that at closed or nearly closed throttle liquid fuel droplets will travel to the bore wall and collect on the same so as to gravitate downward toward the small openings between opposite sides of the throttle and bore wall for pick up and vaporization by the then substantially sonic air flow through these openings and, under open throttle conditions, the fuel droplets are dispersed in the airstream flowing through the throttle bore before any substantial quantity can reach the bore wall.

REFERENCES:
patent: 3616782 (1971-11-01), Matsui et al.
patent: 3635201 (1972-01-01), High
patent: 3800769 (1974-04-01), Graffman
patent: 3943904 (1976-03-01), Byrne
patent: 3953548 (1976-04-01), Knapp et al.
patent: 3996906 (1976-12-01), Bubniak et al.

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