Power plants – Motor operated by expansion and/or contraction of a unit of... – Mass is a liquid
Patent
1976-06-07
1980-02-05
Ostrager, Allen M.
Power plants
Motor operated by expansion and/or contraction of a unit of...
Mass is a liquid
60670, 60671, 165105, F01K 2700
Patent
active
041865596
ABSTRACT:
A turbine, such as a steam turbine, which may be employed to drive an electric generator, is operated by movement through it of gas vaporized in a heat pipe. The turbine is enclosed in the heat pipe structure and the pipe is sealed so that the vaporizable fluid therein is not lost during use. The fluid is maintained at a desired pressure at which it is readily vaporized by heating means, such as heated air brought into contact with the heat pipe, and is also readily condensed by cooling means, such as ambient air. In modifications of the more basic invention an auxiliary heat pipe or a plurality of such pipes is employed to extract energy from a source of heat after it has heated the turbine-containing heat pipe and such auxiliary heat pipe(s) may also be used to pre-heat a heat transfer fluid. Turbines may be present in the auxiliary heat pipes too and they may be connected to the same or different generators. The generators may be enclosed in an insulating medium common to the heat pipe to prevent external heat losses and in a further modification of the invention, may be mounted inside the heat pipe with the turbine. Although the invention is primarily intended for efficient power production it may be adapted for use as an indicator of temperature differences by utilizing the flow of evaporated fluid, which is proportional to the temperature difference, to generate electricity, the voltage or current flow of which may be measured.
REFERENCES:
patent: 2707863 (1955-05-01), Rhodes
patent: 3312065 (1967-04-01), Guin
patent: 3602429 (1971-08-01), Levedahl
patent: 3670495 (1972-06-01), Leffert
patent: 3932995 (1976-01-01), Pecar
patent: 4069673 (1978-01-01), Lapeyre
Decker, deceased Bert J.
Decker, executrix by Jean S.
Kramer Raymond F.
Ostrager Allen M.
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