Carburetor for two-cycle engine

Details Carburetor for two-cycle engine Carburetor for two-cycle engine

2008-05-27

2008-05-27

Chiesa, Richard L. (Department: 1797)

Gas and liquid contact apparatus

Fluid distribution

Valved

C123S0650WA, C123S179180, C261S045000, C261S052000, C261SDIG010

Reexamination Certificate

active

07377496

ABSTRACT:
An interlocking lever having first and second cam faces is mounted on a throttle valve stem, and a throttle valve is arbitrarily opened to perform start-up in a state in which the first cam face makes contact with the choke valve lever and the interlocking lever is stopped during low-temperature start-up with the choke valve closed. After the choke valve has been returned to the fully open position, the throttle valve alone is opened with a small degree of opening to perform low-load operation; and in the mid- and high-load region, the interlocking lever integrally turns with the throttle valve, the second cam face pushes the air valve lever, and the throttle valve and air valve are caused to open and close proportionally. Preferably, the degree of opening of the throttle valve for low load operation is adjustable.

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