Carburetor circuit for internal combustion engines

Gas and liquid contact apparatus – Fluid distribution – Pumping

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F02M 708

Patent

active

040524892

ABSTRACT:
The intake manifold of a carburetor of an internal combustion engine has between its air inlet end and its discharge end a throat portion and a butterfly valve adjacent the discharge end. First fuel injection means communicate with the interior of the manifold in the region of the throat portion for injection of fuel into the latter during normal operation of the engine, and second fuel injection means communicate with the interior of the manifold above and closely adjacent the butterfly valve for injecting additional fuel into the latter during acceleration of the engine.

REFERENCES:
patent: 1763361 (1930-06-01), Kirby
patent: 1964172 (1934-06-01), Prentiss
patent: 1974286 (1934-09-01), Monosmith et al.
patent: 2133207 (1938-10-01), Mennesson
patent: 3017167 (1962-01-01), Griffen
patent: 3249345 (1966-05-01), Gast
patent: 3674245 (1972-07-01), Massarotti

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