Internal-combustion engines – Intake manifold
Patent
1995-12-07
1997-09-02
McMahon, Marguerite
Internal-combustion engines
Intake manifold
123590, F02B 4708
Patent
active
056620772
ABSTRACT:
Apparatus for improving the vaporization of the intake charge for an internal combustion engine and for improving the induction or aspiration of the intake charge through the intake tract or passages of the an engine by generating suction from the intake charge flow through the intake tract and utilizing energy from back pressure and/or reverse pressure pulses flowing in the opposite direction in the intake tract to draw poorly or inadequately atomized or vaporized elements of the intake charge, raw fuel, and a condition known as "reversion" from the intake tract into the apparatus, mix the collected elements, and discharge them back into the intake tract in a vaporized state to thereby improve the overall vaporization of the intake charge and reduce back pressure, reverse pulses, and the resultant reversion that can adversely affect induction as well as intake charge quality. The present invention also has utility in the exhaust tract or passages of an engine to capture and redirect exhaust generated back pressure back into to the exiting exhaust flow stream to prevent the back pressure from traveling on to the intake tract and contaminating the intake charge and interfering with induction, while also improving exhaust emissions and other parameters. Apparatus according to the present invention can be utilized at various locations in both the intake and exhaust tracts to operate in cooperation to provide enhanced induction flow throughout both tracts.
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Vapor Trails, Nov./Dec. 1995, Hot Boat.
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