[특허]Geothermal energy system and method of operation

Geothermal energy system and method of operation 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-023/12 F24J-003/08 F03G-007/04
출원번호	US-0452558 (2008-07-03)
등록번호	US-9915247 (2018-03-13)
우선권정보	GB-0713178.2 (2007-07-06)
국제출원번호	PCT/GB2008/002269 (2008-07-03)
§371/§102 date	20100621 (20100621)
국제공개번호	WO2009/007683 (2009-01-15)
발명자 / 주소	Stewart, James J. Zaynulin, Dmitriy I. Scott, Anthony C. Newton, Grahame
출원인 / 주소	Erda Master IPCO Limited
대리인 / 주소	Hamilton, Brook, Smith & Reynolds, P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 45

초록 ▼

In an embodiment, a method of operating a geothermal energy system includes selectively connecting each of a plurality of borehole heat exchangers to any other of the plurality of borehole heat exchangers thereby to permit flow of a working fluid between the borehole heat exchangers and to selectively distribute the working fluid within the plurality of borehole heat exchangers. Each borehole heat exchanger has an elongate tube having a closed bottom end and first and second adjacent elongate coaxial conduits interconnected at the bottom end, the first conduit being tubular and surrounded by the second conduit which is annular. Each borehole heat exchanger has a major portion thereof extending in a substantially inclined orientation at an angle of from 3 to 95 degrees from vertical, the borehole heat exchangers being connected to a manifold for the working fluid.

대표청구항 ▼

1. A method of operating a geothermal energy system comprising a plurality of borehole heat exchangers, each borehole heat exchanger containing a working fluid and comprising an elongate tube having a closed bottom end, the method comprising: selecting at least one first borehole heat exchanger to be utilized as a heat source that is actively removing heat from an area surrounding the at least one first borehole heat exchanger and at least one second borehole heat exchanger to be utilized as a heat sink that is actively transferring heat to an area surrounding the at least second borehole heat exchanger; andsimultaneously utilizing the at least one first borehole heat exchanger as the heat source that is actively removing heat from an area surrounding the at least one first borehole heat exchanger and the at least one second borehole heat exchanger as the heat sink that is actively transferring heat to an area surrounding the at least second borehole heat exchanger, resulting in a thermal energy transfer between the at least one first borehole heat exchanger and the at least one second borehole heat exchanger. 2. A method according to claim 1 wherein the plurality of borehole heat exchangers extends downwardly and laterally into the ground from a central surface assembly of the elongate tubes to define a ground volume of the geothermal energy system which encloses the plurality of borehole heat exchangers, and wherein a footprint area of the central surface assembly is less than 10% of a footprint area of the ground volume of the geothermal energy system. 3. A method according to claim 1 wherein each elongate tube has first and second adjacent elongate conduits interconnected at the bottom end, the first conduit being tubular and surrounded by the second conduit which is annular, and the borehole heat exchangers are connected to a manifold for the working fluid. 4. A method according to claim 3 wherein each of the plurality of borehole heat exchangers is selectively connectable to any other of the plurality of borehole heat exchangers by valves connected to the manifold. 5. A method according to claim 3 wherein the manifold is arranged to permit selective passing of the working fluid through a selected one or more of the borehole heat exchangers in a respective selected direction of the respective borehole heat exchanger.

이 특허에 인용된 특허 (45)

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Warnke Dallas H. (1110 Lincoln St. Scranton IA 51462), Closed loop ground source pressurized system for a heat pump.
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Dressler William E. (20145 W. 119th St. Olathe KS), Combined ambient-air and earth exchange heat pump system.
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Partin, James R.; Rawlings, John P., Drilled well series and paralleled heat exchange systems.
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Ippolito Joe J. (13110 Lamplight Village Ave. Austin TX 78758), Earth storage structural energy system and process for constructing a thermal storage well.
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Amerman Thomas R. ; Johnson ; Jr. Howard E., Energy transfer systems.
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Riefler Roger G., Four-way flow reversing valve for reversible refrigeration cycles.
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Hanchar Peter (88 Montgomery Rd. Scottdale PA 15683) Hanchar Harry J. (812 Forest Ave. Belleforte PA 16823), Geothermal cell and recovery system.
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Peterson Barry A. ; Peterson Armand H., Geothermal community loop field.
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Clay Rufus G. (5500 Byers Fort Worth TX 76107), Geothermal energy recovery.
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Stewart, James J.; Zaynulin, Dmitriy I.; Scott, Anthony C.; Newton, Grahame, Geothermal energy system and method of operation.
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Baciu Petru (Two Lincoln Square Ap. 20 E New York NY 10023), Geothermal power plant with intermediate superheating and simultaneous generation of thermal and electrical energy.
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Ace, Ronald S, Geothermal space conditioning.
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Rawlings John P. (2636 SW. 90th Pl. Oklahoma City OK 73159) Albertson Michael E. (11920 Skyway Ave. Oklahoma City OK 73162), Ground source air conditioning system comprising a conduit array for de-icing a nearby surface.
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Ross, Mark G., Ground source heat exchange system.
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Ross,Mark G., Ground source heat exchange system.
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Rawlings John P. (Oklahoma City OK), Ground source heat pump system comprising modular subterranean heat exchange units with concentric conduits.
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Rawlings John P. (Oklahoma City OK), Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary cond.
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Rawlings John P. (Oklahoma City OK), Ground source heat pump system comprising modular subterranean heat exchange units with multiple parallel secondary cond.
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Koenig, Albert A., Ground source heat pump well field design and control strategy for large tonnage.
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Ambs Rex K. ; Kiessel Thomas G., Heat exchanger and heat pump circuit.
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Ambs,Rex K.; Kiessel,Thomas G.; Weston,Dennis L.; Holstine,James V., Hybrid heating and cooling system.
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Goldman William A. (14230 Wunderlich Rd. ; No. 160 Houston TX 77069), Method and apparatus for drilling optimum subterranean well boreholes.
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Prentice, III,James Andrew, Method and apparatus for the production of energy.
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Girard Edmond (Boulogne FR), Method of controlling a heat pump, and a heat pump device adapted to operate in accordance with said method.
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Glaser,Mark C.; Allen,Jack R.; Ferguson,Gerald M.; Alvarez,Ralph A., Method of drilling and completing multiple wellbores inside a single caisson.
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Gardes Robert A. (P.O. Box 92593 Lafayette LA 70508), Method of drilling multiple radial wells using multiple string downhole orientation.
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Galiyano Mike P. (Wyomissing Hills PA) Galiyano Mark J. (Sinking Spring PA) Wiggs B. Ryland (Bethlehem PA) Aspacher Jeffrey T. (Bethlehem PA), Modular tube bundle heat exchanger and geothermal heat pump system.
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Wiggs B. Ryland (3630 Villanova Ct. Bethlehem PA 18017), Multi-system power generator.
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Van Huisen Allen T. (29456 Indian Valley Road Rolling Hills Estates CA 90274), Multiple-completion geothermal energy production systems.
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Salemie Bernard (8913 Hilton Hill Dr. Lanham MD 20706), Recovery of power from low level heat sources.
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Park Youn T. (Suwon KRX), Refrigerator capable of changing functions for compartments and a control method therefor, in particular for fermentatio.
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Ares Roland A. (St. Charles County MO) Jones Robert A. (Franklin County MO) Street Norman E. (St. Charles County MO), Reverse cycle heat reclaim coil and subcooling method.
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Sharp, Richard Felix; Dock, Matthew L.; Mullins, H. Stanley; Skinner, John Allan, Rotary driven retrieval tool for horizontal directional drilling operations.
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Henderson Roland A. (Rte. 6 ; Box 201 Chippewa Falls WI 54729), Solar-geothermal heat system.
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Cowans, Kenneth W., Systems and methods for temperature control.
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