Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Patent
1978-04-24
1980-10-21
Ostrager, Allen M.
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
60531, 60669, 415 75, F01K 2506
Patent
active
042286581
ABSTRACT:
A fluid engine comprising a coiled conduit having a fluid inlet and a fluid outlet and supported to rotate about its axis in a partially immersed condition within a first fluid which interfaces with a second fluid having a different fluid density. Rotation of the conduit about its axis causes the fluid inlet to alternately be immersed in the first and second fluids whereby a quantity of each fluid is entrapped within each convolution of the conduit resulting in an unbalanced fluid condition producing a gravitational turning moment. Pressure differential across the coiled conduit between the inlet and the outlet maintains fluid flow through the conduit from the inlet to the outlet thereby sustaining the unbalanced condition which causes conduit rotation. The required differential may be provided by a head of water or may be created by evaporating a liquid or by thermally expanding a gas.
REFERENCES:
patent: 666637 (1901-01-01), Beck
patent: 984579 (1911-02-01), Marti
patent: 1395267 (1921-11-01), Fisher
patent: 3982378 (1976-09-01), Sohre
Husar Stephen F.
Ostrager Allen M.
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