Power plants – Utilizing natural heat – Geothermal
Reexamination Certificate
2005-07-05
2005-07-05
Richter, Sheldon J (Department: 3748)
Power plants
Utilizing natural heat
Geothermal
C060S648000, C060S641200
Reexamination Certificate
active
06912853
ABSTRACT:
In accordance with the present invention, a method is provided for increasing the output of a geothermal steam turbine power plant comprising the steps of: providing a separate, additional flash separator that produces the steam for operating the non-condensable gas ejector; supplying all the geothermal steam produced by the main high-pressure flash separator to a high-pressure geothermal steam turbine; and whereby high-pressure geothermal fluid is supplied to both said separate, additional flash separator and said main high-pressure flash separator from the same production well in a pumped geothermal system. Furthermore, according to the present invention, apparatus is also provided for increasing the output of a geothermal steam turbine power plant comprising: a separate, additional flash separator that produces steam for operating the non-condensable gas ejector; supply means that ensures that all the geothermal steam produced by the main high-pressure flash separator is supplied to a high-pressure geothermal steam turbine; and a production well in a pumped geothermal system that supplies high-pressure geothermal fluid to both said separate, additional flash separator and said main high-pressure flash separator.
REFERENCES:
patent: 5038567 (1991-08-01), Mortiz
patent: 5671601 (1997-09-01), Bronicki et al.
patent: 5970714 (1999-10-01), Bronicki et al.
patent: 6212890 (2001-04-01), Amir
DiPippo, Ronald, Ph. D. “Small Geothermal Power Plants: Design, Performance and Economics.” GHC Bulletin. Jun. 1999.
Meyer Jerald L.
Nath Gary M.
Nath & Associates PLLC
Ormat Technologies Inc.
Richter Sheldon J
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