Internal-combustion engines – Intake manifold – Manifold tuning – balancing or pressure regulating means
Patent
1996-07-08
1997-10-28
McMahon, Marguerite
Internal-combustion engines
Intake manifold
Manifold tuning, balancing or pressure regulating means
123545, F02B 7518
Patent
active
056808399
ABSTRACT:
The present invention involves an apparatus for the induction of a fuel and air mixture into the combustion chambers of a multi-cylinder internal combustion engine. A partition divides a manifold into a first and second portion. The first manifold portion provides a similar quantity and composition of fuel and air to each cylinder's intake port cavity at any single moment. The fuel and air mixture contained within the intake port cavities which does not enter the combustion chambers flows into the second manifold portion along with any hot residual exhaust gases escaping from the combustion chamber. A fluid pump continuously recirculates the fluid mixture from the second manifold portion into the first manifold portion and the hot residual gases are thoroughly intermixed thereby increasing engine performance. Hot deflector surfaces are located in the first manifold portion and transfer heat to the fuel and air mixture increasing the percentage of vaporized fuel. The fuel injectors are removed from the intense heat produced by operation of the engine and inject fuel into a high velocity discharge stream of the fluid pump, thereby sharply reducing the amount of fuel residue deposited upon the injector nozzles. Additionally, a movable deflector plate is utilized to increase the velocity of the intake air at low engine speeds.
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J. C. Moore Research Inc.
McMahon Marguerite
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