WO2009062721A2 - Geothermiesystem - Google Patents
Geothermiesystem Download PDFInfo
- Publication number
- WO2009062721A2 WO2009062721A2 PCT/EP2008/009614 EP2008009614W WO2009062721A2 WO 2009062721 A2 WO2009062721 A2 WO 2009062721A2 EP 2008009614 W EP2008009614 W EP 2008009614W WO 2009062721 A2 WO2009062721 A2 WO 2009062721A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat exchanger
- heat exchange
- supply line
- heat
- geothermiesystem
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/18—Hot-water central heating systems using heat pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/11—Geothermal energy
- F24D2200/115—Involving mains water supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D2200/00—Heat sources or energy sources
- F24D2200/12—Heat pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/005—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for only one medium being tubes having bent portions or being assembled from bent tubes or being tubes having a toroidal configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/04—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being spirally coiled
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/4935—Heat exchanger or boiler making
- Y10T29/49352—Repairing, converting, servicing or salvaging
Definitions
- the invention relates to a geothermal system in which the heat exchange takes place with the water of the public water supply network and takes the priority of the German patent application 10 2007 054 472.5-15 to complete.
- geothermal energy has recently gained in importance. Particularly in the case of large public facilities and building complexes, the geothermal energy supply is becoming increasingly economically attractive due to rising energy costs.
- DE 199 19 555 C1 discloses a method for developing geothermal energy in which a bore is introduced into the ground by means of a controlled vertical drilling device.
- the drill head of the vertical drilling device on a temperature sensor, by means of which the temperature is detected in the surrounding soil.
- the control of the drilling process then takes place as a function of the temperature in the soil.
- a heat exchanger tube geothermal probe
- the heat exchanger means absorbs geothermal heat, which can be supplied via a heat exchanger for further use.
- heat exchangers are either large-area in an open design
- horizontal bores can be made from a pit with an uncontrolled horizontal boring device.
- the vertical bores must generally have a considerable depth in order to provide the necessary surface for the heat exchange available. This leads to high costs when installing such systems.
- Geothermal probes lies in the lower heat yield, which is due to the lower temperatures in shallow earth layers. Nevertheless, in order to be able to obtain a sufficient amount of heat overall, a large number of geothermal probes running in the immediate vicinity of each other are regularly introduced, which in turn leads to high installation costs. The high
- EP 1 003 968 describes a technology in which existing drinking water pipes are used as a heat reservoir. This makes it possible to deliver the cold generated by the heat pump to an already existing and in constant exchange medium without consuming area or deep holes must be created. However, this technology has not been successful so far. A similar system is described in DE 28 34 442 A1.
- the present invention seeks to provide a method and an apparatus in which the heat exchange with the public water supply network is optimized or simplified and water pollution is avoided.
- the invention is based on the idea of a geothermal system with a heat exchanger in the form of easily installable in the public utility power pipe sections or to provide a heat exchanger within pipe sections.
- the pipe section can be designed so that it represents the heat exchanger itself.
- the cross section of the drinking water pipe is not narrowed.
- the pipe section may have a larger outer diameter than the drinking water pipe and then be connected via a sleeve with the drinking water pipe.
- the heat exchanger can have heat exchanger lines arranged parallel to the direction of flow of the water and, in a simple embodiment, merely represent an inner tube within the drinking water pipe. It is also possible that the lines have one or more changes of direction, so that the heat exchange medium makes several changes of direction when flowing through the tubes and flows alternately upstream and downstream.
- heat-conducting structures can be provided up to a lining of the wall of the supply line.
- the heat exchanger may also be arranged spirally within the pipe section. Its course can additionally a swirling of the water for the better
- Heat exchange effect as is the case for example in a deviating from the axis of the supply line axis of the spiral.
- the next spiral section is not in the "shadow" of the previous section.
- Heat exchangers can thus be used in a modular manner for installation in an existing or to be created public network.
- the heat exchanger can be used as a separate unit in the supply line or be part of the supply line.
- the supply line can be equipped with heat exchangers from the outset.
- public line or "supply line” is not limited to use in public utility networks, but is only intended to reflect the character of the line, which transports a specific volume of water sufficient for the heat exchange.
- House lying pipe section of the supply line to be replaced by a pipe section according to the invention with a heat exchanger can be replaced by a pipe section according to the invention with a heat exchanger.
- a heat exchanger according to the invention can be installed from the outset in the public supply line, so that only a connection to the heat pump are made got to.
- the prefabricated pipe section with integrated heat exchanger allows both quality control and reproducible performance as well as easy installation.
- Heat exchanger and pipe can thus already be created or subsequently used in the original installation of the drinking water supply.
- the heat exchanger can also be introduced via an existing access in the pipe. This can be done for example by a shaft in which the heat exchanger is lowered and then moved horizontally to the level of an existing or to be created connection for the heat pump. It then only requires a connection of the heat exchanger with the inlet and the outlet of the heat pump.
- an existing pipe section can be removed and replaced by a pipe section with heat exchanger and provided connection for a line of a heat pump.
- the line of the heat pump itself can be designed as a heat exchanger. On the way to the water pipe and on the way back to the heat exchanger, heat can be extracted from the soil, since according to the invention a closed circuit can be provided between the heat exchanger and the drinking water pipe.
- the method according to the invention makes it possible to inexpensively incorporate a geothermal system into an existing pipeline or to take it into account in the new construction without the risk of contamination of the drinking water occurring during introduction or operation.
- the heat exchanger has a separate media circuit for this purpose. Contact between the medium circuit and the supply water is thus avoided. The corresponding legal provisions for the drinking water unit can thus be met.
- Heat capacity up Typically, the water has a temperature of 10 0 C with variations depending on the season.
- a medium cycle which passes through the heat pump on the one hand and the drinking water on the other hand, transports the medium between the heat pump and drinking water pipe back and forth, for heating the medium by heat removal in the heat pump, for example, cooled to 3 ° C and in the
- Drinking water is reheated to 9 ° C.
- the medium cycle can be controlled or regulated so that the flow rate allows optimal heat removal and can also be adapted to the seasonal changing temperature conditions.
- a controller can prevent the lowering of the DHW temperature below 0 ° C to avoid icing.
- the transport medium can be cooled down well below 0 ° C, as this does not necessarily lead to a cooling of the drinking water below 0 ° C.
- the supply line to the drinking water pipe and / or the discharge to the heat pump can be designed so that an additional heat exchange is achieved.
- the flowing supply water as the heat exchange medium absorbs the heat supplied by the heat pump via the medium cycle to the heat exchanger and transports it away. On the way of the water, for example, until the next delivery point, the water releases the cold back to the soil or returns to its original temperature. Due to the volume of the supply water only a small decrease in temperature takes place, so that there is no risk of deterioration of the water supply due to ice formation.
- the temperature reduction has the advantage that the number of bacteria in the water is reduced.
- the supply line at least in one section (for example, a subsequently introduced pipe section) preferably consist of a material which has a high thermal conductivity.
- a metallic material and in particular stainless steel is suitable;
- An alternative would be a plastic and in particular a particle and / or fiber reinforced plastic (eg with metal and / or carbon particles or - fibers).
- the supply line can be provided with ribs at least in one section on its outer and / or inner lateral surface. These increase the contact surface of the supply line with the ground and / or the drinking water, which in turn can improve the heat transfer.
- the ribs may preferably be aligned radially with respect to a circular cross-section supply line.
- the supply line to the / the relevant section (s) can be wrapped with a filling material, which ensures a backlash-free contact of the supply line with the surrounding soil.
- the filler should have the highest possible thermal conductivity.
- a filling material is, for example, from the prior art known thermal cement.
- Subsequent enveloping of the supply line with the filling material may be advantageous, in particular, when a pipe section having the heat exchanger is subsequently introduced by means of a trenchless laying method (for example pipe bursting).
- a corresponding embodiment of the supply line should in particular be provided only where the average temperature of the soil is above the mean temperature of the drinking water.
- the drinking water pipe can be designed in sections outside the range of heat exchange with the heat exchange medium so that the heat released to the heat exchanger is absorbed as quickly as possible from the surrounding soil to heat again in the course to submit more geothermal systems. These sections can also be arranged in preferred areas, such as in non-built-up sections or in water-bearing layers.
- Figure 1 is a schematic representation of a structure according to the invention with a arranged in the supply line heat exchanger.
- Figure 2 is a simple, arranged in the supply line, linear heat exchanger.
- FIG. 3 shows a heat exchanger of FIG. 1 with a plurality of linear elements
- FIG. 4 shows another embodiment of a arranged in the supply line heat exchanger with a spiral structure.
- Fig. 5 shows another embodiment of the heat exchanger of Fig. 3;
- FIG. 6 shows a heat exchanger of Figure 3 with deviating from the axis of the water pipe course.
- Fig. 7 is a designed for improved heat exchange with the soil
- FIG. 8 shows the supply line of FIG. 7 with a jacket
- FIG. 9 shows the supply line of FIG. 7 with a casing after introduction by means of pipe bursting
- FIG. 10 shows a supply line designed for an improved heat exchange with the ground in a second embodiment in cross section.
- a public water pipe 100 runs near a building 150.
- a heat pump 140 is arranged, which has a loop 160, 170 with a cooling medium circuit.
- the loop 160, 170 extends from the heat pump 140 through the house wall 180 and the adjacent soil 110 to the water pipe 100 and there flows into a heat exchanger 120, which is arranged in a modular pipe section 130.
- the heat exchanger 120 is in physical contact with the water of the public water pipe 100, so that a transfer of the (lower) temperature of the heat pump medium to the wall of the heat exchanger 120 and finally to the flowing water is possible. That's why as a result, to a heating of the medium, which can be implemented in the heat pump in heating power.
- a pipe section 130 can be introduced into a water pipe 100 in a simple manner in a modular manner and / or subsequently.
- the heat exchanger can thus be used with an existing water line without or with minimal interference with the integrity of the line and without risk of contamination of the water.
- the heat exchanger 220 is formed as a linear tube within a pipe section 230. This represents a simple, inexpensive construction.
- the heat exchanger 320 of FIG. 2 is guided linearly but in a plurality of loops within the tube section 330. Im pictured
- Cross-section A-A and B-B can be seen how the channels of the heat exchanger 320 are arranged on ribs 350, which additionally support the heat exchange.
- the tube may be lined with heat conducting material. This in each case allows an increase in the heat exchange capacity on the same route section compared with the embodiment of FIG. 2.
- the diameter of the pipe section with heat exchanger can then be dimensioned so that the flow cross section remains unchanged despite the heat exchanger used.
- a heat exchanger 520 according to FIG. 5 can also be used, which for the purpose of better heat exchange
- a spiral-shaped heat exchanger 620 is shown, which has an axis A, which deviates from the axis of the pipe section 630. This additionally allows a better utilization of the heat capacity of the water, since the temperature shadow of the preceding coil section does not or at least less affects the subsequent coil section. In addition, there is an advantageous turbulence of
- the heat exchanger can already be provided during the production of the water pipe and be entrained in laying the water pipe 1 or subsequently introduced by replacing individual pipe segments as a module in an existing water pipe.
- FIGS. 7 to 9 show a first embodiment of a pipe section 730 designed for good heat transfer from the soil 710 to the drinking water flowing in the supply pipe.
- the circular cross-section pipe section is this provided on its outer surface with radially oriented ribs 731, which increase the contact surface of the pipe section 730 with the soil and thereby improve the heat transfer from the soil to the located within the pipe section drinking water.
- the pipe section 730 is additionally coated with a thermo-concrete 790 as filler, which makes a direct contact of the pipe section 730 with the soil 710 and thereby further the heat transfer from the soil to the pipe section and consequently to the drinking water can improve.
- FIG. 9 additionally shows shards 791 of a broken old pipe. These may be present, for example, when a new supply line (or a corresponding pipe section 730), which according to the invention has a heat exchanger, is exchanged by means of a trenchless laying method (for example pipe bursting).
- a trenchless laying method for example pipe bursting.
- FIG. 10 shows a tube section 830 in which, in addition to the ribs 831, corresponding ribs 832 are provided on the inner circumferential surface on the outer lateral surface. These are intended to increase the heat transfer from the soil to the soil by increasing the contact area of the pipe section with the drinking water Increase drinking water again.
- the inside ribs 832 may not be provided in each portion of the supply line because they narrow the flow area of the supply line and may also complicate an inspection of the supply line, for example by self-propelled inspection devices.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1009543.8A GB2467280B (en) | 2007-11-13 | 2008-11-13 | Geothermal system |
| US12/742,563 US20100252228A1 (en) | 2007-11-13 | 2008-11-13 | Geothermal System |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007054472A DE102007054472B4 (de) | 2007-11-13 | 2007-11-13 | Geothermiesystem |
| DE102007054472.5 | 2007-11-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2009062721A2 true WO2009062721A2 (de) | 2009-05-22 |
| WO2009062721A3 WO2009062721A3 (de) | 2010-03-18 |
Family
ID=40560675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2008/009614 Ceased WO2009062721A2 (de) | 2007-11-13 | 2008-11-13 | Geothermiesystem |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20100252228A1 (de) |
| DE (1) | DE102007054472B4 (de) |
| GB (1) | GB2467280B (de) |
| WO (1) | WO2009062721A2 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4636204B2 (ja) * | 2008-12-19 | 2011-02-23 | ダイキン工業株式会社 | 地中熱交換器及びそれを備えた空調システム |
| JP4636205B2 (ja) * | 2008-12-19 | 2011-02-23 | ダイキン工業株式会社 | 地中熱交換器及びそれを備えた空調システム |
| DE102009022704B4 (de) * | 2009-05-26 | 2011-05-19 | Tracto-Technik Gmbh & Co. Kg | System aus einer von einem Fluid durchströmten Versorgungsleitung, einem Wärmetauscher und einer Anschlussleitung |
| DE102009038383B4 (de) | 2009-08-24 | 2014-10-16 | Tracto-Technik Gmbh & Co. Kg | Rammbohrvorrichtung |
| DE102009052335A1 (de) | 2009-08-28 | 2011-03-03 | Tracto-Technik Gmbh & Co. Kg | Steckkupplung für ein Bohrgestänge und Bohrgestänge |
| GB201216210D0 (en) | 2012-09-12 | 2012-10-24 | Appeartome Ltd | Augmented reality apparatus and method |
| DE102013006416B4 (de) * | 2013-04-15 | 2018-06-07 | Frank Gmbh | Erdwärmesonde |
| GB201404990D0 (en) | 2014-03-20 | 2014-05-07 | Appeartome Ltd | Augmented reality apparatus and method |
| GB201410285D0 (en) | 2014-06-10 | 2014-07-23 | Appeartome Ltd | Augmented reality apparatus and method |
| DE102024110994A1 (de) | 2024-04-19 | 2025-10-23 | Geo Exploration Technologies Gmbh | Wärmeträger-Kreislauf mit einem Poroperm-Koaxialwärmetauscher |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1826169A (en) * | 1928-09-24 | 1931-10-06 | Jr James S Douglass | Heating system for automobiles and coupling therefor |
| US2075708A (en) * | 1935-08-30 | 1937-03-30 | Gilbert H Evans | Water heating apparatus |
| US2171369A (en) * | 1937-12-27 | 1939-08-29 | Marcus Nathan | Hot water heater |
| US3070975A (en) * | 1958-09-26 | 1963-01-01 | W C Cornelius | Structure for cooling water heated in cooling automobile engine |
| US3110296A (en) * | 1961-04-24 | 1963-11-12 | Axel J Lundi | Fuel preheater and economizer |
| US3253647A (en) * | 1963-11-18 | 1966-05-31 | Deshaies Paul Emile | Fuel preheater |
| DE2834442A1 (de) * | 1978-08-05 | 1980-02-14 | Ernst Wilhelm Guenther | Verfahren zur gewinnung von haushaltswaerme nach dem waermepumpensystem |
| DE2930484A1 (de) * | 1979-07-27 | 1981-02-12 | Nikolaus Thiel | Verfahren zum betrieb von waermepumpen durch ausnutzung von erdwaerme und anlage zur durchfuehrung des verfahrens |
| US5727621A (en) * | 1995-12-26 | 1998-03-17 | Geotech, Llc (A Non-Incorporated Company) | Geothermal energy means and procedure |
| DE19919555C1 (de) * | 1999-04-29 | 2000-06-15 | Flowtex Technologie Gmbh & Co | Verfahren zur Erschließung geothermischer Energie sowie Wärmetauscher hierfür |
| JP2002030717A (ja) * | 2000-07-18 | 2002-01-31 | Ace Plan:Kk | 下水利用熱源設備構築用の下水用管 |
| DE10114448C2 (de) * | 2001-03-23 | 2003-06-26 | Tracto Technik | Verwendung von Bohrungen im Erdreich oder im Gebirge für die Wärmenutzung und Sonde zur Verwendung in den Bohrungen |
| US20040108096A1 (en) * | 2002-11-27 | 2004-06-10 | Janssen Terrance Ernest | Geothermal loopless exchanger |
| US7841200B1 (en) * | 2003-05-19 | 2010-11-30 | Earth To Air Systems, Llc | Sub-surface tubing spacer means for direct expansion heating/cooling systems |
| CA2541378C (en) * | 2005-03-25 | 2008-02-19 | Richard Laroche | Geothermal aqueduct network |
| DE102005056651A1 (de) * | 2005-11-25 | 2007-05-31 | Behr Gmbh & Co. Kg | Koaxialrohr oder Rohr-in-Rohr-Anordnung, insbesondere für einen Wärmetauscher |
| DE102006021212A1 (de) * | 2006-05-06 | 2007-11-08 | Karl Berthold | Rückgewinnung von Wärme aus der Kanalisation |
-
2007
- 2007-11-13 DE DE102007054472A patent/DE102007054472B4/de not_active Expired - Fee Related
-
2008
- 2008-11-13 GB GB1009543.8A patent/GB2467280B/en not_active Expired - Fee Related
- 2008-11-13 US US12/742,563 patent/US20100252228A1/en not_active Abandoned
- 2008-11-13 WO PCT/EP2008/009614 patent/WO2009062721A2/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE102007054472B4 (de) | 2010-04-15 |
| GB2467280B (en) | 2012-05-30 |
| GB2467280A (en) | 2010-07-28 |
| WO2009062721A3 (de) | 2010-03-18 |
| GB201009543D0 (en) | 2010-07-21 |
| DE102007054472A1 (de) | 2009-05-20 |
| US20100252228A1 (en) | 2010-10-07 |
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