Accelerator pump for carburetor

Details Accelerator pump for carburetor Accelerator pump for carburetor

1979-01-05

1981-01-27

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Pumping

F02M 708

Patent

active

042474914

ABSTRACT:
An accelerator pump for a carburetor comprises a piston assembly inserted in a cylindrical well formed in a carburetor body, a link mechanism for actuating the piston assembly in response to movement of a throttle valve, and a tapered stopper. The piston assembly is separated from the link mechanism and engaged with it only when accelerated. The tapered stopper is inserted in a hole made in said carburetor body, which hole is perpendicular to the cylindrical well, passing through a hole made in the piston assembly. A gap defined between the tapered stopper and the periphery portion of the hole of the piston assembly determines the stroke of the piston assembly. Further, the gap is adjusted by axial movement of the tapered stopper. The tapered stopper is locked with sealing material after being adjusted so that any user can not re-adjust the tapered stopper.

REFERENCES:
patent: 2493804 (1950-01-01), Carlson
patent: 2732193 (1956-01-01), Wentz, Jr.
patent: 2771282 (1956-11-01), Olson et al.
patent: 2785880 (1957-03-01), Olson
patent: 3085515 (1963-04-01), Workman
patent: 3269711 (1966-08-01), Baldwin
patent: 3321195 (1967-05-01), Korte
patent: 4108951 (1978-08-01), Niwa et al.
patent: 4130609 (1978-12-01), Fiedler
patent: 4157365 (1979-06-01), Inoue et al.

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