Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1982-10-26
1984-01-10
Lazarus, Ronald H.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123525, 165 52, F02M 3100
Patent
active
044247885
ABSTRACT:
Fuel apparatus including a housing portion, a fuel treating portion, a fuel metering portion and a flow control portion; the housing portion including a main chamber, an upper expansion chamber and first and second lower expansion chambers, the main chamber including an inlet connectable to an exhaust gas source of an internal combustion engine, an outlet for venting the exhaust gas to the atmosphere; the fuel treating portion including first and second conduit coils disposed within the main chamber, each of the conduit coils including an inlet and an outlet, the inlet of the first coil communicating with the first lower expansion chamber and the outlet of the first coil communicating with the second lower expansion chamber, the inlet of the second coil communicating with the second lower expansion chamber and the outlet of the second coil communicating with the upper expansion chamber, inlet mechanism for delivering liquid fuel into the first lower expansion chamber, the inlet mechanism including a vacuum source and mechanism for bleeding a small amount of atmospheric air into a liquid fuel stream at a point adjacent to the inlet of the first lower expansion chamber, outlet mechanism for delivering vaporized fuel from the upper expansion chamber; the fuel metering portion including a body section, a bore extending through the body section, a rotatable member extending into the bore, an external section of the rotatable member being operatively connectable to carburetor controls of the engine, a vaporized fuel inlet and outlet communicating with the bore; the flow control portion including mechanism for controlling the flow of liquid fuel into the first lower expansion chamber.
REFERENCES:
patent: 400850 (1889-04-01), Humes
patent: 1273363 (1918-07-01), Hale
patent: 1386544 (1921-08-01), Wolff
patent: 1436379 (1922-11-01), Chapman
patent: 1970425 (1934-08-01), Grabbe
patent: 2061600 (1936-11-01), Spencer
patent: 2625920 (1953-01-01), Farrell
patent: 4099499 (1978-07-01), Giardini
Lazarus Ronald H.
Urban Arthur L.
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