Thermal conversion engine

Details Thermal conversion engine Thermal conversion engine

1978-04-10

1980-02-05

Ostrager, Allen M.

Power plants

Motor operated by expansion and/or contraction of a unit of...

Mass is a solid

60530, F03G 706

Patent

active

041865588

ABSTRACT:
An engine which can convert thermal energy into mechanical energy by making use of the expansion in the volume of a liquid, such as water, when it freezes, and a corresponding decrease in the volume when the frozen material returns to its liquid state. A cylinder containing the liquid with a piston positioned above the liquid is placed in a large container through which a repetitive succession of cold fluids and hot fluids are passed. The cold fluid entering the container freezes the liquid in the cylinder. The volume of the liquid increases raising the piston. The cold fluid is then removed from the container and hot fluid applied to defrost the frozen material in the cylinder returning it to its liquid state. The volume then decreases causing a lowering of the piston. The reciprocating movement of the piston is applied to an output which can then be amplified to produce greater displacement.

REFERENCES:
patent: 2215157 (1940-09-01), Platzner
patent: 2979888 (1961-04-01), Moloney
patent: 4041706 (1977-08-01), White
patent: 4075845 (1978-02-01), Allen

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