Carburetor and valve mechanism

Details Carburetor and valve mechanism Carburetor and valve mechanism

1988-04-14

1989-10-31

Miles, Tim

Gas and liquid contact apparatus

Fluid distribution

Pumping

261 395, 261DIG68, 261DIG8, 251253, F02M 116

Patent

active

048775606

ABSTRACT:
A carburetor comprising a main body portion defining a carburetor mixing passage having an air intake side and an engine outlet side, a fuel pump, a throttle shutter mounted within the carburetor mixing passage between the air intake side and the engine outlet side. The carburetor has a metering chamber for supplying fuel from the fuel pump into the carburetor mixing passage via a main discharge port, the main discharge port opens into the carburetor mixing passage on the air intake side of the throttle shutter. A starting fuel supply passage extends from the pressure side of the fuel pump to the carburetor mixing passage. A means is provided for selectively opening and closing the starting fuel supply passage such that when the throttle is in a partially opened position and the starting fuel supply passage is open, the fuel pump causes fuel to be injected through the starting fuel supply passage into the carburetor mixing passage.

REFERENCES:
patent: 286365 (1883-10-01), Zane
patent: 382654 (1888-05-01), Montgomery
patent: 1853329 (1932-04-01), Austin
patent: 1858590 (1932-05-01), Henion
patent: 3767173 (1973-10-01), Ishii
patent: 4373479 (1983-02-01), Billingsley et al.
patent: 4394852 (1983-07-01), Tuckey et al.
patent: 4498434 (1985-02-01), Baltz et al.
patent: 4684484 (1987-04-01), Guntly
patent: 4735751 (1988-04-01), Guntly

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