Power plants – Combustion products used as motive fluid – Combustion products generator
Patent
1996-06-27
1998-01-06
Koczo, Michael
Power plants
Combustion products used as motive fluid
Combustion products generator
60598, F02C 506
Patent
active
057042101
ABSTRACT:
A gas generation engine having improved fuel economy and performance comprises a gas generator in the form of a supercharged internal combustion engine coupled to an expander in the form of a gas turbine. The exhaust produced by the internal combustion engine is utilized to drive the turbine. The values for the supercharging pressure ratio and internal combustion engine exhaust back pressure are chosen such that increased thermal efficiency and power output can be simultaneously obtained. The value for the peak cylinder pressure is significantly higher than the typical value for existing diesel engines. The form of internal combustion engine may be a four-stroke cycle piston engine with intercooled supercharging, the internal combustion engine driving the supercharger as well as providing the turbine input. The exhaust for the internal combustion engine may be further divided into two parts, coupled to different stages of the turbine, to more efficiently match the pressure characteristics of the exhaust to the turbine.
REFERENCES:
patent: 1634797 (1927-07-01), Newton
patent: 1849170 (1932-03-01), Buchi
patent: 2979887 (1961-04-01), Homola
patent: 4508090 (1985-04-01), Rembold
patent: 4700542 (1987-10-01), Wang
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