Throttle body fuel injection

Details Throttle body fuel injection Throttle body fuel injection

1981-02-02

1982-11-02

Cuchlinski, Jr., William A.

Internal-combustion engines

Engine speed regulator

Specific throttle valve structure

261DIG78, 261DIG82, F02M 908

Patent

active

043568017

ABSTRACT:
A throttle body fuel injection system comprises a fuel injector which sprays fuel into an induction bore of circular cross section for mixture with induction air passing through the bore. Fuel is injected exclusively upstream of the throttle blade and apertures are provided which, when the engine is idling with the blade occupying an idle position cracked open from its closed blade position, establish communication between points upstream and downstream of the throttle blade with the apertures being of sufficient size to conduct both the induction air and the entrained fuel as a mixture, allowing sonic velocities for best fuel atomization at engine idle.

REFERENCES:
patent: 3214150 (1965-10-01), Rice
patent: 3437320 (1969-04-01), Walker et al.
patent: 3785628 (1974-01-01), Lang
patent: 4186708 (1980-02-01), Bowler

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