Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1973-09-12
1976-01-06
Myhre, Charles J.
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123122AA, F02M 3100
Patent
active
039304787
ABSTRACT:
An exhaust gas-detoxicating system for an externally ignited internal combustion engine having at least one air intake suction tube wherein a fuel/air mixture is produced by metering into said tube fuel from a fuel metering device, and wherein the fuel air mixture, before its entry into a cylinder of the engine, can be deviated through a heated-up bypass of at least one suction tube by means of a flap valve being disposed in said suction tube and being controllable in dependence on characteristic engine data, is improved by providing, in combination, measuring means for detecting the amount of air flowing through the said suction tube and means for controlling the flap valve in dependence on the detected air amount. Preferably, the measuring means comprise a Venturi constriction in the suction tube, a pneumatic-mechanical converter, and means actuating the converter in dependence on the pressure difference between the air pressure upstream, and the air pressure in the Venturi constriction at the narrowest cross sectional area of the latter.
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Brettshneider Johannes
Knapp Heinrich
Greigg Edwin E.
Lazarus R. H.
Myhre Charles J.
Robert Bosch G.m.b.H.
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