Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1975-07-16
1978-04-18
Burns, Wendell E.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
F02M 700, F02M 1304, F02H 502
Patent
active
040845621
ABSTRACT:
A fuel metering device for low fuel feed pressures is described which is adapted for use in an externally ignited internal combustion engine of the air/fuel mixture-compressing type having an air-intake suction tube, and which comprises (a) conduit means for conveying fuel to the suction tube of the engine, (b) throttle means of determinable cross-sectional throttle area disposed in the conduit means, (c) bypass duct means for bypassing the throttle means, and (d) control means for switching the bypass means into the fuel flow through the conduit means to bypass the aforesaid throttle means, thereby varying the ratio of the amounts of fuel and air in the mixture being formed in the suction pipe; the control means are responsive to characteristic engine data.
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Burns Wendell E.
Greigg Edwin E.
Robert & Bosch GmbH
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