Carburetor for internal combustion engine

Details Carburetor for internal combustion engine Carburetor for internal combustion engine

1986-04-14

1987-12-29

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Liquid fuel evaporating by extended fuel film

123549, 123593, 261 362, 261 791, 261100, 261142, F02M 1502, F02M 1726

Patent

active

047153466

ABSTRACT:
A carburetor for an internal combustion engine has a long multi-stage mixing path for the air and fuel to completely mix, the path being formed by three mixing chambers arranged vertically in tandem. Each chamber has a spirally extending pathway. The air and liquid fuel is sprayed into an outer portion of the top chamber and flows toward the central portion to enter the next adjacent chamber at the center, and continues to flow in the pathway in the second chamber spirally outwardly to enter the pathway in the third chamber at an outer portion from which it flows toward the center of the third chamber out the carburetor into the intake manifold of the engine. The first chamber has a cyclonic funnel in the central portion thereof so that the less volatile heavy unvaporized liquid fuel particles flowing in the first chamber are collected in a reservoir disposed at the bottom of the funnel. The collected fuel is drawn out of the reservoir to a heater outside the chambers, heated and returned to the center of the first chamber to enter the second chamber with the air and fuel mixture exiting the first chamber. The pathways in each chamber have a series of spaced turbulence producing screen panels which aid in the mixing process.

REFERENCES:
patent: 1046653 (1912-12-01), Ruthven
patent: 2590377 (1952-03-01), Cater
patent: 2633836 (1953-04-01), Cox
patent: 3872191 (1975-03-01), Walcker
patent: 3957468 (1976-05-01), Voth et al.
patent: 4412521 (1983-11-01), Silva, Jr.
patent: 4448175 (1984-05-01), Darvial et al.

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