Power plants – Utilizing natural heat – Geothermal
Patent
1974-07-29
1976-07-06
Myhre, Charles J.
Power plants
Utilizing natural heat
Geothermal
60655, 415501, 285187, 165 45, F03G 700, F01K 2300
Patent
active
039674487
ABSTRACT:
A geothermal energy transfer and utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water. The super-heated steam is then used for operating a turbine-driven pump at the well bottom for pumping the hot solute-bearing water at high pressure and in liquid state to the earth's surface, where it is used by transfer of its heat to a closed-loop steam generator-turbine-alternator combination for the beneficial generation of electrical or other power. Residual concentrated solute-bearing water is pumped back into the earth. The clean cooled water regenerated at the surface-located system is returned to the deep well pumping system also for lubrication of a fluid bearing arrangement supporting the turbine-driven pump system. The deep well pump system is supported within the well casing pipe from the earth's surface by the turbine exhaust steam conduit. In view of differential expansion effects on the relative lengths of the casing pipe and the exhaust steam conduit, a novel flexible seal is provided between the suspended turbine-pump system and the well pipe casing.
REFERENCES:
patent: 1012777 (1911-12-01), Wigle
patent: 1906933 (1933-05-01), Standlee
patent: 3142336 (1964-07-01), Doscher
patent: 3268004 (1966-08-01), Kiel
patent: 3282340 (1966-11-01), Park
patent: 3433506 (1969-03-01), Crowe
patent: 3438312 (1948-03-01), Bunn et al.
patent: 3721296 (1973-03-01), Tubbs
patent: 3824793 (1974-07-01), Matthews
Lazarus Ira S.
Myhre Charles J.
Sperry Rand Corporation
Terry Howard P.
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