Title: Geothermal energy control system and method

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 boiler-turbine-alternator combination for the generation of electrical or other power. Residual concentrated solute-bearing water is pumped back into the earth. The clean cooled water is regenerated at the surface-located system and is returned to the deep well pumping system also for lubrication of a novel bearing arrangement supporting the turbine-driven pump system.

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Inventors: Matthews, Hugh B. (Acton, MA, US)

Application Number: 487405
Filing Date: 1974-07-10
Publication_date: 1976-02-17
Assignee: Sperry Rand Corporation (New York, NY)
Primary Class(es): 60/641.4 417/379, 417/405
Other Classes:
US Patent Ref:

3153445	Oct, 1964	Huntington	165/45.
3274769	Sep, 1966	Reynolds	165/45.
3339260	Sep, 1967	Burne et al.	165/154.
3346042	Oct, 1967	Seehausen	110/1.
3357407	Dec, 1967	Fanaritis	165/154.
3643733	Feb, 1972	Hall et al.	165/154.
3805885	Apr, 1974	Van Huisen	165/45.

Other Refs: 759,035

Oct, 1956	UK

Primary Examiner: Schwadron, Martin P.
Assistant Examiner: Burks, Sr., H.
Attorney: Terry; Howard P.