Carburetor

Details Carburetor Carburetor

2005-03-01

2005-03-01

Solis, Erick (Department: 3747)

Internal-combustion engines

Engine speed regulator

Having condition responsive means with engine being part of...

C123S328000, C123S333000

Reexamination Certificate

active

06860254

ABSTRACT:
A carburetor with a single fuel system that is capable of ensuring stable engine operation and lower fuel consumption. The fuel system comprises an electrical fuel control C that, in addition to mechanically coordinating the fuel flow rate with air intake by way of a metering needle22that operates in coordination with the throttle valve3, opens and closes opening/closing valve30and cuts off and delivers fuel to the air intake passage2so as to maintain a required target rotational speed with little fuel consumption in a specific region of the degrees of opening of the throttle valve3. Stable operation with minimal fluctuations in the rotational speed is ensured by cutting off the fuel when the rotational speed rises above the target rotational speed, and delivering the fuel when the rotational speed falls below the target rotational speed.

REFERENCES:
patent: 3690305 (1972-09-01), Shimada et al.
patent: 3946705 (1976-03-01), Magnuson et al.
patent: 4075988 (1978-02-01), Kato
patent: 4199039 (1980-04-01), Ciemochowski
patent: 5709193 (1998-01-01), Svensson et al.
patent: 49-17682 (1974-05-01), None
patent: 55-69748 (1980-05-01), None
patent: 58-101253 (1983-06-01), None

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