Power plants – Fluid motor means driven by waste heat or by exhaust energy... – With supercharging means for engine
Patent
1986-04-28
1987-07-21
Koczo, Michael
Power plants
Fluid motor means driven by waste heat or by exhaust energy...
With supercharging means for engine
F02B 3700
Patent
active
046809325
ABSTRACT:
A method for the introduction of air into the cylinder of an IC engine, wherein the air is introduced from a displacement supercharger into the engine cylinder till the desired pressure in the cylinder has been produced, wherein the expulsion motion of the piston or pistons of the positive displacement supercharger is so synchronized with the piston motion of the engine cylinder to be supplied by same that the air displaced from the supercharger flows directly into the respective engine cylinder. An IC engine for use in the method has at least one piston, that moves in a cylinder having an air inlet, and a positive displacement supercharger joined outputwise with the air inlet of the engine and having at least one supercharging chamber. The air pumping volume of the supercharger chamber or of the supercharger chambers, is equal to the maximum amount of air needed in the engine cylinder to be charged, and there is such a synchronization between the positive displacement supercharger and the motion of the engine piston that the supercharger expels and compresses the air towards the air inlet when the engine piston is performing the suction stroke. As further possibility the air pumping volume of the supercharger chamber or of the supercharger chambers is equal to the maximum amount of air needed in the engine cylinder to be charged, in addition to an amount of air drawn in by the engine piston for compression to the charging pressure, and a synchronization between the positive displacement supercharger and the motion of the engine piston may be so adjusted that the positive displacement supercharger introduces the maximum desired additional amount of air into the engine cylinder while the piston is moving near bdc.
REFERENCES:
patent: 4211082 (1980-07-01), Bristol
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