Carburetor with idle fuel supply arrangement

Details Carburetor with idle fuel supply arrangement Carburetor with idle fuel supply arrangement

2005-03-29

2005-03-29

Chiesa, Richard L. (Department: 1724)

Gas and liquid contact apparatus

Fluid distribution

Valved

C261S063000, C261S121300, C261SDIG002, C261SDIG003

Reexamination Certificate

active

06871843

ABSTRACT:
An idle fuel supply device for a carburetor has an idle air passage that communicates with an air intake passage and a fuel chamber. A passage extending from a fuel metering chamber is connected to the fuel chamber preferably via a fuel adjusting needle valve. A low speed fuel nozzle hole communicates the fuel chamber with the air intake passage in the vicinity of a throttle valve when in its idle position. A passage communicates with the fuel chamber and the idle air passage, so that fuel and air may mix in at least a portion of the idle air passage.

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