Engine fuel vaporizing device and system

Internal-combustion engines – Charge forming device – Heating of combustible mixture

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Details

123 25F, 123198A, F02M 3100

Patent

active

043230440

ABSTRACT:
A fuel charging device includes a housing having two transverse bores, one defining a mixing chamber and one defining a vaporizing chamber. A section of exhaust bypass conduit passes through the vaporizing chamber bore to provide an annular chamber. A plurality of fuel flow channels consist essentially of transverse bores intersecting the vaporizing chamber and mixing chamber bores. These fuel flow channels include a valve chamber, a feed chamber communicating the valve chamber and the vaporizing chamber, and passages communicating the vaporizing chamber and the mixing chamber. Metering valves include valve orifices disposed between the valve chamber and the feed chamber, and needle valves at the end of valve actuator stems which extend through the valve chamber and beyond the housing. Liquid fuel inlet passages communicate with the valve chambers. The valves are reciprocated by a bell crank assembly and associated linkage, with adjustments to vary the positions of the needle valves relative to the valve orifices. The vaporized fuel is conveyed by a conduit connecting the mixing chamber with the fuel-air mixing control at the engine; and the charging device valves are coupled to the throttle valve at the engine by suitable linkage for simultaneous operation.

REFERENCES:
patent: 1728323 (1929-09-01), Bartley
patent: 3509859 (1970-05-01), Pantano
patent: 3968775 (1976-07-01), Haspman
patent: 4103658 (1978-08-01), Bernecker
patent: 4151821 (1979-05-01), Wichman

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