Power plants – Combustion products used as motive fluid – With gear – pressure exchanger – or screw-type compressor
Patent
1974-10-02
1977-03-22
Croyle, Carlton R.
Power plants
Combustion products used as motive fluid
With gear, pressure exchanger, or screw-type compressor
60 3951R, 60263, 60269, 123 823, F02B 5300
Patent
active
040129039
ABSTRACT:
An internal combustion engine comprises a housing defining an air inlet opening, a first set of rotatably mounted interengaging air intake and compression rotor wheels, and an air passageway connecting said air intake and compression rotor wheels to a second set of rotatably mounted interengaging compression and metering rotor wheels. The compression and metering rotor wheels deliver air to a combustion chamber defined by the housing. Fuel is injected into the combustion chamber and ignited. The combustion chamber communicates with a third set of rotatably mounted interengaging output rotor wheels which are driven by the exhaust gases and are connected to drive the aforementioned rotor wheels. The working area of the output rotor wheels is greater than the working area of the compression and metering rotor wheels, wherein the combustion gases always drive the output rotor wheels. Alternative embodiments of the internal combustion engine include an additional set of compression and metering rotors which deliver air to a jet combustion chamber. Other embodiments of the internal combustion engine include an exhaust manifold connected to the outlet from output drive rotors to direct the exhaust gases around the engine for exhaust. The air passageway connecting the first set of air intake and compression rotor wheels and the second set of compression and metering rotor wheels may be disposed within the exhaust manifold to heat the compressed air, and the combustion chamber and the air passage leading thereto may also be disposed within the exhaust manifold to maintain them at a high temperature. The exhaust manifold may also be disposed across the air inlet opening whereby entering air passes over the exhaust manifold and is preheated. Gear means for driving the compression and metering rotors at at least two different speeds and means for selectively engaging the gear means for driving the compression and metering rotors at a desired one of the speeds are also provided.
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Croyle Carlton R.
Koczo, Jr. Michael
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