Power plants – Combustion products used as motive fluid – With addition of steam and/or water
Patent
1975-09-30
1976-12-21
Croyle, Carlton R.
Power plants
Combustion products used as motive fluid
With addition of steam and/or water
60595, 123 46R, F02B 7100, F02B 7106
Patent
active
039980499
ABSTRACT:
Improved apparatus for generating a high pressure mixture of steam and combustion gases for utilization by a steam engine or the like. The apparatus includes a combustion cylinder and an accumulator cylinder of substantially equal diameter, with both cylinders interconnected at each end by pipes of substantially equal diameter to form a closed loop. A first pair of opposed free pistons is movable toward and away from each other in the combustion cylinder and a second pair of opposed free pistons is movable toward and away from each other in the accumulator cylinder. The space between the first pair of pistons comprises a combustion chamber, while the space between the second pair of pistons comprises an operating accumulator chamber filled with a compressible fluid. A hydraulic fluid is present behind the pistons in the cylinders and their interconnecting pipes in communication with a high pressure hydraulic fluid source which causes the accumulator pistons to compress the fluid in the accumulator which is then used to drive the power pistons together to heat and compress an air charge in the combustion chamber. Fuel is injected and ignites and thereafter water is injected and spontaneously vaporizes to steam. The steam-gas mixture drives the power pistons outwardly, displacing the hydraulic fluid to the accumulator. An exhaust valve at the combustion chamber then opens, and the combustion chamber pistons, driven by accumulator pressure, force the steam-gas mixture from the apparatus to a utilization device.
REFERENCES:
patent: 2693076 (1954-11-01), Francis
patent: 2863426 (1958-12-01), Summerlin
patent: 3073108 (1963-01-01), Ward
patent: 3751905 (1973-08-01), McKinley et al.
Kirsch, Jr. Martin
McKinley Jack M.
McKinley Roe L.
Casaregola L. J.
Croyle Carlton R.
G & K Development Co., Inc.
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