Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1976-04-09
1977-12-20
Burns, Wendell L.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123119R, 123119E, 123DIG10, 261 36A, 261DIG69, F02N 1708, F02N 1728, F02N 3714
Patent
active
040635414
ABSTRACT:
Carburetor for supplying intermixed air and atomized fuel to an engine comprises an air passageway, having a throttle for passing a controllable amount of atmospheric air, and injection means configured for injecting pressurized fuel into the air passageway in a generally flat spray pattern disposed substantially normal to the air passageway. A bypass chamber is located adjacent to the air passageway, opening thereto for capturing any unimpeded fuel injected by the injection means, returning it to the fuel tank. A metering vane located in the air passageway is configured for allowing passage of substantially all of the fuel into the bypass chamber when there is no airflow in the air passageway and for intercepting a portion of the fuel when the spray pattern is deflected by airflow in the air passageway, directing it into the air passageway. The metering vane is shaped such that the deflected portion of the fuel remains in a predetermined ratio with the airflow over the full range of engine operation.
REFERENCES:
patent: 890970 (1908-06-01), Durr
patent: 2706976 (1955-04-01), Gianini
patent: 3269658 (1966-08-01), Gerquest
patent: 3613649 (1971-10-01), Ilford et al.
patent: 3616782 (1971-11-01), Matsui et al.
patent: 3864105 (1975-02-01), Davis
patent: 3977382 (1976-08-01), Tuzson et al.
Burns Wendell L.
Farley Eugene D.
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