Carburetor fitted with a device for feeding the engine with lean

Internal-combustion engines – Engine speed regulator – Responsive to deceleration mode

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261DIG19, F02M 304

Patent

active

044612524

ABSTRACT:
A carburetor comprises: a main barrel; a throttle situated in the barrel; an idle system which, from a cavity full of fuel, opens into the main barrel through progression and idle mixture holes; the idle system comprises elements for metering fuel and air, which form a primary emulsion. There are several suitably sized passages in the idle system through which the fuel or emulsion flow; the following cooperate with the said passages: first elements for excluding the flow from some of the said passages, keeping at least one open to prevent the idle system from emptying during accelerator release; second organs for positioning the said first elements; third devices for recognizing accelerator release and checking the said second organs.

REFERENCES:
patent: 3455260 (1969-07-01), Mennesson
patent: 4075988 (1978-02-01), Kato
patent: 4146594 (1979-03-01), Raud
patent: 4253437 (1981-03-01), Haramoto
patent: 4387681 (1983-06-01), Ikeura et al.

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