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公开(公告)号：US12025350B2
公开(公告)日：2024-07-02
申请号：US17774861
申请日：2021-04-16
发明人： Heuy Nam Cho , Hyeon Ho Chang , Sung Ouk Choi , Young Hwa Kim , Jo Bum An
CPC分类号： F24T10/15 , F24T2010/53
摘要： A geothermal system including a multitube vertically-sealed underground heat-exchanger includes: a geothermal well formed by vertically excavating a foundation; a heat pump which is arranged in the foundation, and which includes a circulating pump; and a connection tube, an auxiliary facility, and a multitube vertically-sealed underground heat-exchanger which are buried and installed in the geothermal well, and which are connected to the heat pump such that a thermal fluid thermally restored in the geothermal well is supplied to the heat pump through the circulating pump, and the thermal fluid that has undergone heat exchange in the heat pump is recovered back to the geothermal well and thermally restored therein.
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公开(公告)号：US20230383999A1
公开(公告)日：2023-11-30
申请号：US18229982
申请日：2023-08-03
发明人： Stanley Reitsma
IPC分类号： F24T10/15
CPC分类号： F24T10/15
摘要： A borehole is bored to a borehole target depth in a site and a geothermal heat exchanger is inserted into and then secured in the borehole at the desired depth. Once the heat exchanger has been secured in the borehole, the heat exchanger has a closed distal end and an open proximal end and has at least one fluid path between the closed distal end and the open proximal end, with installation fluid disposed in the fluid path(s). After securing the heat exchanger in the borehole and before excavation of a portion of the site immediately surrounding the borehole, the heat exchanger is temporarily sealed by installing, through the open proximal end, at least one respective internal seal in each fluid path. For each fluid path, the internal seal(s) will be disposed below a respective notional subgrade depth and excavation of the site immediately surrounding the borehole can proceed.
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公开(公告)号：US20230332804A1
公开(公告)日：2023-10-19
申请号：US18025787
申请日：2021-09-14
发明人： Seyed Masih Alavy GHAHFARROKHY , Ladislav RAK , Jun WANG , David Ernest SALT , Afroozalsadat ALAVI , Jaroslava Marie-Magdalena PARSLOW , Seth B. DWORKIN , Ayman Mahmoud Bayomy MAHMOUD , Aggrey MWEISGYE , Hiep V. NGUYEN
CPC分类号： F24T10/15 , F24T50/00 , F24T2201/00
摘要： A building heating and cooling system includes a structural foundation member that extends into a borehole. A heat exchange loop is installed within the foundation member for heat exchange with ground surrounding the foundation member. The heat exchange hoop is interconnected with a heat pump for providing heating or cooling to the building by heat exchange with ground surrounding the foundation member.
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公开(公告)号：US11703036B2
公开(公告)日：2023-07-18
申请号：US17864859
申请日：2022-07-14
申请人： XGS Energy, Inc.
CPC分类号： F03G7/04 , E21B7/04 , E21B43/305 , F24T10/10 , F24T10/13 , F24T10/15 , F24T10/20 , Y02E10/10
摘要： Thermal energy is extracted from geological formations using a heat harvester. In some embodiments, the heat harvester is a once-through, closed loop, underground heat harvester created by directionally drilling through hot rock. The extracted thermal energy can be converted or transformed to other forms of energy.
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公开(公告)号：US20190186789A1
公开(公告)日：2019-06-20
申请号：US16301048
申请日：2017-06-14
发明人： Ik-Ro AHN
IPC分类号： F24T10/15
CPC分类号： F24T10/15 , F24T2010/56 , F28D20/00 , Y02E10/10 , Y02E60/142 , Y02E70/30
摘要： Provided is a borehole-type seasonal heat storage system and, more particularly, to a borehole-type seasonal heat storage system capable of selecting a heat storage space according to a supply temperature of a heat source, wherein a first heat storage tube member is formed to comprise a supply tube and a recovery tube, which are formed in ring types, respectively, and to have a U-shaped vertical tube connected to the bottom surface thereof such that the same is inserted into a borehole; an nth heat storage tube member is formed to have a supply tube and a recovery tube, which have diameters larger than those of the supply tube and the recovery tube of the first heat storage tube member, respectively; the nth heat storage tube member is arranged outside the first heat storage tube member at an appropriate interval, thereby forming a seasonal heat storage body; the supply temperature of a heat source flowing into a main supply tube and the underground temperature of each part of the seasonal heat storage body are measured; and, according to the supply temperature of the heat source, heat is supplied to the first heat storage tube member or the nth heat storage tube member, which has the corresponding temperature, and is stored, thereby improving the heat storage performance.
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公开(公告)号：US20180195778A1
公开(公告)日：2018-07-12
申请号：US15816496
申请日：2017-11-17
发明人： Roy Crawford
CPC分类号： F25B30/06 , F24D11/0257 , F24T10/15 , F24T2010/56 , Y02B10/40 , Y02B10/70 , Y02B30/13 , Y02E10/10
摘要： Systems and methods are disclosed that include providing a hybrid heat pump system with a heat pump connected in fluid communication with an outdoor unit and a ground heat exchanger via a plurality of valves. The hybrid heat pump system also includes a system controller that selectively configures the plurality of valves to alter a fluid flow path through at least one of the outdoor unit that exchanges heat between a fluid carried by an outdoor heat exchanger of the outdoor unit and ambient outdoor air and the ground heat exchanger that exchanges heat between the fluid carried by the ground heat exchanger and the ground in order to maximize heat transfer efficiency between the fluid and the ambient outdoor air and/or the ground based on various temperatures measured by the hybrid heat pump system.
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公开(公告)号：US09909783B2
公开(公告)日：2018-03-06
申请号：US13844475
申请日：2013-03-15
申请人： Robert Jensen
发明人： Robert Jensen
IPC分类号： F24J3/08
CPC分类号： F24T10/15 , Y02E10/125
摘要： A geothermal heat exchange apparatus which is a flexible assembly of a plurality of pipes twisted on a central conduit. The central conduit has a tubular structure. The plurality of pipes is twisted around the central conduit. The plurality of pipes is connects to an external environmental conditioning apparatus that supplies a heat exchange liquid for the transfer of heat through the plurality of pipes. The geothermal heat exchange apparatus is adapted for positioning in a hole in the earth for the exchange of heat.
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公开(公告)号：US20170299225A9
公开(公告)日：2017-10-19
申请号：US13844475
申请日：2013-03-15
申请人： Robert Jensen
发明人： Robert Jensen
IPC分类号： F24J3/08
CPC分类号： F24T10/15 , Y02E10/125
摘要： A geothermal heat exchange apparatus is disclosed that comprises a flexible assembly of a plurality of pipes twisted on a central conduit. The central conduit has a tubular structure. The plurality of pipes is twisted around the central conduit. The plurality of pipes is adapted to connect to an external environmental control system that supplies a heat exchange liquid for the transfer of heat through the plurality of pipes. The geothermal heat exchange apparatus is adapted for positioning in a hole in the earth for the exchange of heat.
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公开(公告)号：US09739508B2
公开(公告)日：2017-08-22
申请号：US13191550
申请日：2011-07-27
申请人： Vladimir V. Fisenko , Robert Kremer
发明人： Vladimir V. Fisenko , Robert Kremer
CPC分类号： F24V40/10 , B01F5/0416 , B01F5/0423 , B01F5/0428 , F01K25/00 , F24T10/15 , F28F13/06 , Y02E10/125 , Y10T137/85978
摘要： An apparatus is provided having a heat generation device such as a boiler. A hypersonic energy harvester is provided having a first input and a second input. The first input and the second input are fluidly coupled to the heat generation device. A variable speed pump is fluidly coupled to supply liquid from the heat generation device to the hypersonic energy harvester. A deaerator is fluidly coupled to receive condensate from the hypersonic energy harvester.
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公开(公告)号：US20170211849A1
公开(公告)日：2017-07-27
申请号：US15124184
申请日：2015-03-09
申请人： GreenFire Energy Inc
发明人： Mark P. Muir , Alan D. Eastman , Randy N. Balik , John R. Muir
CPC分类号： F24T10/15 , F03G7/04 , F24T10/10 , F24T10/20 , F24T10/30 , Y02E10/12 , Y02E10/125 , Y02E10/14
摘要： A process for producing power including injecting a first heat transfer fluid through an injection well to a geothermally-heated formation that contains a second heat transfer fluid. The first heat transfer fluid may then be heated via indirect heat exchange in an interwell run fluidly connected to the injection well and disposed within the geothermally-heated formation. The heated first heat transfer fluid may then be recovered through a production well fluidly connected to the interwell run. Thermal energy contained in the recovered heated first heat transfer fluid may then be converted in a power production unit fluidly connected to the injection well and the production well. The interwell run, in some embodiments, may include multiple heat exchange tubes disposed within a perforated casing or drill pipe.
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