Power plants – Motive fluid energized by externally applied heat – Power system involving change of state
Patent
1973-12-05
1976-09-07
Ostrager, Allen M.
Power plants
Motive fluid energized by externally applied heat
Power system involving change of state
92 605, 92 131, 92 136, 123 9017, F01B 720, F01B 2500
Patent
active
039786722
ABSTRACT:
This is a multi-cylinder engine with a main piston and an auxiliary piston in each cylinder. The main piston is operated by means of compressed gas as a propellant. The auxiliary piston is operated by a hydraulic system controlled by movement of the main piston, and by a valve in the hydraulic system also controlled by movement of said main piston. The engine can have four engine cylinders. Compressed gas is sequentially applied to the cylinders for about 90.degree. rotation of the crank shaft for each cylinder. The angular degree of rotation of the crank shaft during which compression gas is delivered to the individual cylinders can be varied while the engine keeps operating. Liquid gas vaporizes to gaseous state for use in the engine.
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patent: 2884908 (1959-05-01), Campbell
patent: 3168853 (1965-02-01), Prince
patent: 3344600 (1967-10-01), Eddy
patent: 3638624 (1972-02-01), O'Grady
patent: 3730150 (1973-05-01), Codner, Jr.
Felshin J. B.
Ostrager Allen M.
Propulsion Machinery Corporation
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