Carburetor with auxiliary accelerator-pump system

Details Carburetor with auxiliary accelerator-pump system Carburetor with auxiliary accelerator-pump system

1977-03-15

1978-08-08

Miles, Tim R.

Gas and liquid contact apparatus

Fluid distribution

Pumping

261DIG74, 261 39A, F02M 708

Patent

active

041057198

ABSTRACT:
A carburetor with an auxiliary accelerator-pump system including a diaphragm pump. The diaphragm pump includes a fuel chamber and a vacuum chamber which are separated by a spring-loaded diaphragm. The fuel chamber leads by way of a check valve to a fuel reservoir or float bowl in a carburetor and by way of another check valve to a pump jet or nozzle which is open into an intake passage in a carburetor, while the vacuum chamber leads to a vacuum take-off port open in the intake passage downstream of a throttle valve. The fuel chamber is further communicated by way of a temperature responsive valve means with the fuel reservoir, and this valve means is adapted to open, when an ambient temperature exceeds a given temperature level.

REFERENCES:
patent: 1544350 (1925-06-01), Sisson
patent: 1776988 (1930-09-01), Tice
patent: 1896499 (1933-02-01), Tice
patent: 2252960 (1941-08-01), Brown
patent: 2998231 (1961-08-01), Marsee et al.
patent: 3008697 (1961-11-01), Dermond
patent: 3576315 (1971-04-01), Sutton
patent: 3911062 (1975-10-01), Johnson
patent: 3933951 (1976-01-01), Fischer et al.
patent: 4018856 (1977-04-01), Hamakawa et al.

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