Power plants – Miscellaneous
Patent
1987-09-16
1989-04-04
Ostrager, Allen M.
Power plants
Miscellaneous
60712, 123286, 123292, 123662, F02B 1918
Patent
active
048173886
ABSTRACT:
An internal combustion engine has an auxiliary cell connected thereto by a transfer valve. Approximately isothermally compressed gas, which may be a combustible mixture, is introduced into the cell through an input valve. A displacer piston in the cell is biased toward lower volume of the cell. In an illustrated embodiment, the displacer piston is translated by the compressed gas toward a larger volume in the cell. When the cell is fully charged with compressed gas, the input valve is closed and the transfer valve is opened for intermittently discharging the mass of gas in the cell into the cylinder of the internal combustion engine. The displacer piston displaces substantially all of the gas from the cell into the engine. Combustion is initiated and may, at least in part, occur within the cell, providing power to the engine as the gas expands and performs work by way of the engine piston. A two-stroke engine where the cell provides a compressed combustible mixture to the cylinder has enhanced efficiency since gas can be isothermally compressed instead of being compressed by the engine piston.
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