Power plants – Combustion products used as motive fluid – External-combustion engine type
Patent
1988-01-29
1989-09-12
Koczo, Michael
Power plants
Combustion products used as motive fluid
External-combustion engine type
91180, 91491, 92 51, 123 78B, F01B 106, F01L 3302, F02G 302
Patent
active
048648140
ABSTRACT:
Continuous combustion heat engine including a compressor (12), combustor (14) and expander (16) which operates on a Brayton cycle with positive displacement pistons (90) in the compressor and variable expansion ratio pistons (190) in the expander. Compressor (12) delivers compressed air to the combustor (14) where it is mixed with fuel and combusted to produce expansion gases for the expander (16). Power input to the compressor and power output from the expander are achieved through the radially disposed pistons (90,190), connecting rods (94), cranks (98), crank shafts (100), planetary gears (104), sun gears (106) and sun gear connectors (114) which rotatably secure the sun gears (106) and manifolds (110,166) together. The pistons (190) for the expander have positive displacement sections (192) and free floating sections (200) for the variable volume ratio capability. A variable speed drive (17) may be incorporated between the compressor and expander to increase pressure in the compressor when the expander is operating at less than full load.
REFERENCES:
patent: 1037400 (1912-09-01), Youngren
patent: 1252269 (1918-01-01), Johnson
patent: 2217796 (1940-10-01), Dell
patent: 3608308 (1971-09-01), Cary et al.
Cole George M.
Combustion Research & Technology, Inc.
Koczo Michael
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