Carburetors for internal combustion engines

Details Carburetors for internal combustion engines Carburetors for internal combustion engines

1973-12-13

1976-06-15

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Valved

261121A, F02M 300

Patent

active

039638081

ABSTRACT:
To improve the operation of an internal combustion engine under idling conditions, a carburetor has at least a premixture chamber commmunicating through calibrated ports with a fuel induction duct and with a cavity: the latter communicates with the atmosphere through a calibrated port and with the intake duct through at least a progression passageway. The progression passageway opens in the vicinity of the throttle edge so that it is upstream of the edge when the throttle is in the minimum opening position and is, conversely, downstream of the edge when the throttle is partially open. An auxiliary duct is also provided for connecting the premixture chamber with the intake duct downstream of the carburetor.

REFERENCES:
patent: 3283751 (1966-11-01), Goossak et al.
patent: 3382856 (1968-05-01), McIlroy
patent: 3533386 (1970-10-01), Masaki et al.
patent: 3711069 (1973-01-01), Hideg et al.

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