Power plants – Motor having a buoyant working member – Working member actuated by the rise and fall of a surface of...
Patent
1976-08-02
1979-01-23
Ostrager, Allen M.
Power plants
Motor having a buoyant working member
Working member actuated by the rise and fall of a surface of...
60641, 60531, 137251, F03G 702
Patent
active
041353668
ABSTRACT:
The invention describes a valveless and practically frictionless differential temperature engine. The engine consists of a relatively warm evaporator chamber and a relatively cold condensor chamber containing a low boiling point fluid. The temperature differential between the chambers results in a corresponding vapor pressure differential between the chambers. Changes in the vapor pressure differential between the chambers causes liquid to rise and fill in a tube communicating between the liquid phase of the evaporator chamber and the vapor phase of the condensor chamber. The movement of the liquid is transmitted to a float and to a force receiving component outside of the chambers. The changes in the vapor differential between the chambers are automatically cyclically regulated by the level of liquid in the evaporator chamber which alternately submerges and uncovers the lower open end of a slanted tube communicating between the vapor phases of the chambers.
REFERENCES:
patent: 655623 (1900-08-01), Harriman
patent: 1437138 (1922-11-01), Gray
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