DE10256553A1 - Thermal insulation, for insulating pipelines for conveying crude oil and natural gas, comprises matrix made from microporous material based on silicate or polymer containing hollow spheres and additive - Google Patents
Thermal insulation, for insulating pipelines for conveying crude oil and natural gas, comprises matrix made from microporous material based on silicate or polymer containing hollow spheres and additive Download PDFInfo
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- DE10256553A1 DE10256553A1 DE10256553A DE10256553A DE10256553A1 DE 10256553 A1 DE10256553 A1 DE 10256553A1 DE 10256553 A DE10256553 A DE 10256553A DE 10256553 A DE10256553 A DE 10256553A DE 10256553 A1 DE10256553 A1 DE 10256553A1
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- Germany
- Prior art keywords
- phase change
- insulation
- change material
- matrix
- silicate
- 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.)
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Classifications
-
- 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
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/023—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material being enclosed in granular particles or dispersed in a porous, fibrous or cellular structure
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1044—Bituminous materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/045—Polyalkenes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/14—Polyepoxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/16—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B30/00—Compositions for artificial stone, not containing binders
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Insulation (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine thermische Isolation gemäß dem Oberbegriff des Patentanspruchs 1.The invention relates to a thermal insulation according to the generic term of claim 1.
Solche thermischen Isolationen kommen vorzugsweise bei baulichen Einrichtungen zur Anwendung, die unter Wasser installiert sind, und für die Förderung von Rohöl oder Erdgas vorgesehen sind.Such thermal insulation is preferred in structural facilities for use installed under water are, and for the promotion of crude oil or natural gas are provided.
Die Ölförderung vom Meeresboden aus erfordert eine Vielzahl von Rohrleitungen sowie Ventil- und Steuersysteme, die unterseeisch montiert werden müssen. Diese baulichen Einrichtungen müssen thermisch isoliert werden, da die Temperaturen bei regelmäßigen Unterbrechungen der Förderung hierin stark absinken. Das zu fördernde Rohöl enthält Bestandteile, die sich in den Rohrleitungen und Ventilen ablagern, wenn die Temperaturen in diesen Bauelementen unter einen definierten Wert absinken. In baulichen Einrichtungen, die über keine, oder nur eine unzureichende thermische Isolation verfügen, bilden sich Hydrat- und Wachs-Ablagerungen, deren Beseitigung aufwendig und teuer ist.Oil production from the sea floor requires a variety of piping, valve and control systems, that have to be installed undersea. These structures need thermal be isolated as the temperatures are interrupted during regular production drop sharply here. That to be funded Crude oil contains ingredients which are deposited in the pipes and valves when the temperatures in these components drop below a defined value. In structural Bodies that have no, or only have inadequate thermal insulation hydrate and wax deposits, their elimination is complex and is expensive.
In der
Aus der
Der Erfindung liegt die Aufgabe zugrunde, eine thermische Isolation für unterseeische Einrichtungen zur Förderung von Rohöl und Erdgas aufzuzeigen, mit der Ablagerungen der eingangs genannten Art im Innenbereich dieser Einrichtungen vermieden werden können .The invention has for its object a thermal insulation for undersea facilities for the extraction of crude oil and natural gas to demonstrate with the deposits of the type mentioned in the Interior of these facilities can be avoided.
Diese Aufgabe wird durch die Merkmale des Patentanspruchs 1 gelöst.This task is due to the characteristics of claim 1 solved.
Die Matrix der erfindungsgemäßen Isolation wird aus einem konventionellen Isolationsmaterial mit geringer Wärmeleitfähigkeit von < 0,2 W/mK in Form eines Polymers hergestellt, in das hohle Kugeln aus Glas eingebettet sind. Die Matrix kann auch aus einem mikroporösen Material auf Silikatbasis gefertigt werden. Eine Matrix aus einem solchen Material wird aus Siliziumdioxidpartikeln gepresst, die eine Größe von wenigen Nanometern aufweisen. Wird die Matrix aus einem Polymer hergestellt, kann hierfür Polypropylen, Polyethylen, Polyurethan, ein Epoxidharz oder ein Elastomer verwendet werden. In diese Matrix wird ein weiterer Füllstoff eingebettet, der teilweise aus einem Phasenänderungsmaterial besteht, das die Eigenschaften eines Latentwärmespeichers besitzt. Als weiteren Füllstoff können Kugeln aus einem Polymer in Form eines Polyacrylats verwendet werden, die mit einem solchen Phasenänderungsmaterial gefüllt sind. Als Phasenänderungsmaterial eignen sich Paraffine oder Salzhydrate. Dieser zusätzliche Füllstoffe wird während der Herstellung der erfindungsgemäßen Isolation in das die Matrix bildende Material eingemischt.The matrix of the insulation according to the invention is from a conventional insulation material with low thermal conductivity of <0.2 W / mK made in the form of a polymer into which hollow spheres of glass are embedded. The matrix can also be made of a microporous material are made on a silicate basis. A matrix of one Material is pressed from silicon dioxide particles that are a few nanometers in size exhibit. If the matrix is made of a polymer, polypropylene, Polyethylene, polyurethane, an epoxy resin or an elastomer is used become. Another filler is partially embedded in this matrix from a phase change material exists that has the properties of a latent heat storage. As another filler can Balls made of a polymer are used in the form of a polyacrylate, those with such a phase change material filled are. Suitable as phase change material themselves paraffins or salt hydrates. This additional filler is used during the Production of the insulation according to the invention mixed into the material forming the matrix.
Die mit einem Phasenäderungsmaterial gefüllten Kugeln lassen sich sehr gut in beide Materialen einarbeiten, welche für die Herstellung der Matrix genutzt werden. Der Anteil an Kugeln, die mit dem Phasenäderungsmaterial gefüllt sind, kann zwischen 10 und 70 Voiumen-% betragen, bezogen auf das Gesamtvolumen der Isolation. Optimal sind Anteile zwischen 35 % und 50 %.The one with a phase change material filled Balls can be worked very well into both materials, which for the Production of the matrix can be used. The percentage of balls that with the phase change material filled are between 10 and 70% by volume, based on the total volume of isolation. Shares between 35% and 50% are optimal.
An Stelle der Kugeln, die mit dem Phasenänderungsmaterial gefüllt sind, können auch poröse Teilchen verwendet werden, in deren Poren ein solches Phasenänderungsmaterial eingefüllt ist. Hierfür kann beispielsweise Diatomeenerde verwendet werden, deren Teilchen eine Größe von 0,2mm bis 5mm auf weisen, und in deren Poren der Latentwärmespeicher eingefüllt wird. Poröse Polymerteilchen mit einer Größe von 0,5mm bis 20mm können ebenfalls verwendet werden. In beiden Fällen werden die Poren nicht vollständig gefüllt, so dass eine Volumenänderung von 10% des Phasenänderungsmaterials bei der Phasenumwandlung aufgenommen werden kann. Durch die Kapillarkräfte bleibt der Latentwärmespeicher immer innerhalb der Poren, so dass keine weitere Kapselung erforderlich ist.Instead of the balls that are filled with the phase change material, porous particles can also be used, in whose pores such a phase change material is filled. For example, diatomaceous earth can be used for this purpose, the particles of which have a size of 0.2 mm to 5 mm and the pores of which the latent heat store is filled. Porous polymer particles with A size from 0.5mm to 20mm can also be used. In both cases, the pores are not completely filled, so that a volume change of 10% of the phase change material can be absorbed during the phase change. Due to the capillary forces, the latent heat storage always remains within the pores, so that no further encapsulation is required.
Als Zusatz kann auch ein Granulat verwendet werden, bei dem bei dem das Paraffin oder das Salzhydrat mit Hilfe eines Bindemittels gebunden ist. Das Bindemittel wird so gewählt, dass das Granulat auch oberhalb der Phasenumwandlungstemperatur des Phasenänderungsmaterials nicht flüssig wird. Durch die Bindung im Granulat wird die Volumenänderung ähnlich wie in einem porösen Träger unterdrückt. Das Granulat weist vorzugsweise Teichen mit einer Größe zwischen 0,2mm und 5mm auf. Die Her stellung und die Eigenschaften solcher Granulate sind seit langem aus dem Stand der Technik bekannt. Sie werden deshalb hier nicht näher erläutert.Granules can also be added be used in which the paraffin or the salt hydrate is bound with the aid of a binder. The binder will chosen so that the granules also above the phase transition temperature of the Phase change material not liquid becomes. Due to the binding in the granulate, the change in volume is similar to in a porous carrier suppressed. The granules preferably have ponds with a size between 0.2mm and 5mm. The manufacture and properties of such Granules have long been known from the prior art. she are therefore not closer here explained.
Die erfindungsgemäße Isolation wird sich beim Absinken der Temperatur der unterseeischen Einrichtungen während einer Förderpause bis zur Phasenumwandlungstemperatur des Phasenänderungsmaterials eher etwas schneller abkühlen, als konventionelle Isolationen, da die Wärmeleitfähigkeit der Isolation wegen des geringeren Luftgehalts höher ist. Aber im Bereich der Phasenumwandlungstemperatur des Latentwärmespeichers wird die Abkühlung stark verzögert, bis das gesamte, als Latentwärmespeicher genutzte Material vom flüssigen in einen festen Zustand übergegangen ist. Das als Latentwärmespeicher genutzte Material wird so gewählt, dass seine Phasenumwandlungstemperatur über der kritischen Temperatur liegt, bei der Hydrate und Wachse aus dem geförderten Medium abgeschieden werden. Dann kann das Unterschreiten der kritischen Temperatur während des Abkühlens deutlich verzögert werden.The insulation according to the invention will Lowering the temperature of the submarine facilities during a delivery pause something up to the phase change temperature of the phase change material cool down faster, than conventional insulation because of the thermal conductivity of the insulation the lower air content is higher. But in the area of the phase transition temperature of the latent heat storage the cooling becomes strong delayed until the whole, as latent heat storage used material from the liquid changed to a solid state is. That as a latent heat storage material used is chosen so that its phase transition temperature is above the critical temperature is at which hydrates and waxes separated from the pumped medium become. Then falling below the critical temperature during the cooling significantly delayed become.
Weitere erfinderische Merkmale sind in den abhängigen Ansprüchen gekennzeichnet.Other inventive features are in the dependent claims characterized.
Die Erfindung wird nachfolgend an Hand von schematischen Zeichnungen näher erläutert.The invention will follow Hand explained in more detail by schematic drawings.
Es zeigen:Show it:
An Stelle der Kugeln
Als Zusatz
Auf die Matrix
Die Erfindung beschränkt sich nicht nur auf die hier beschriebenen Ausführungsbeispiele der Isolation. Vielmehr umfasst sie alle Variationen der Isolation, die dem Kern der Erfindung zugeordnet werden können.The invention is not limited to the embodiments of insulation described here. Rather, it encompasses all variations of isolation that can be assigned to the essence of the invention.
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10256553A DE10256553A1 (en) | 2002-12-04 | 2002-12-04 | Thermal insulation, for insulating pipelines for conveying crude oil and natural gas, comprises matrix made from microporous material based on silicate or polymer containing hollow spheres and additive |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10256553A DE10256553A1 (en) | 2002-12-04 | 2002-12-04 | Thermal insulation, for insulating pipelines for conveying crude oil and natural gas, comprises matrix made from microporous material based on silicate or polymer containing hollow spheres and additive |
Publications (1)
Publication Number | Publication Date |
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DE10256553A1 true DE10256553A1 (en) | 2004-06-24 |
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DE10256553A Withdrawn DE10256553A1 (en) | 2002-12-04 | 2002-12-04 | Thermal insulation, for insulating pipelines for conveying crude oil and natural gas, comprises matrix made from microporous material based on silicate or polymer containing hollow spheres and additive |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004048031A1 (en) * | 2004-09-29 | 2006-04-20 | Robert Bosch Gmbh | Heat store for storage of heat has carrier material with closed pores in which enclosed material is contained |
EP2463854A1 (en) * | 2010-12-08 | 2012-06-13 | Robert Bosch GmbH | Ultrasound sensor with a dampening device and use of same |
US8616246B2 (en) | 2005-06-06 | 2013-12-31 | Cabot Corporation | Insulated pipe and method for preparing the same |
DE102013006103A1 (en) * | 2013-04-09 | 2014-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for tempering by means of latent heat storage |
US9903525B2 (en) | 2015-08-31 | 2018-02-27 | General Electronic Company | Insulated fluid conduit |
DE102016013415A1 (en) * | 2016-11-10 | 2018-05-17 | Rainer Busch | Method for producing a dimensionally stable, leak-proof phase Change Material System (PCM-S) |
WO2018138241A1 (en) * | 2017-01-30 | 2018-08-02 | Swisspor Management Ag | Method for maintaining the temperature of fluid media |
US10281079B2 (en) | 2015-08-31 | 2019-05-07 | General Electric Company | Insulated fluid conduit |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4747240A (en) * | 1981-08-06 | 1988-05-31 | National Gypsum Company | Encapsulated PCM aggregate |
EP0630195B1 (en) * | 1992-02-18 | 1999-09-01 | Delta Thermal Systems, Inc. | Moldable foam with reversible enhanced thermal storage properties |
US6000438A (en) * | 1998-02-13 | 1999-12-14 | Mcdermott Technology, Inc. | Phase change insulation for subsea flowlines |
US6058979A (en) * | 1997-07-23 | 2000-05-09 | Cuming Corporation | Subsea pipeline insulation |
DE19954772A1 (en) * | 1999-11-15 | 2001-05-17 | Remmers Bauchemie Gmbh | Use of microcapsules as a latent heat storage medium, e.g. in fireproof linings or insulating plaster, involves using capsules with a lipophilic core and a wall made by polymerisation of organosilicon monomers |
DE19954769A1 (en) * | 1999-11-15 | 2001-05-17 | Remmers Bauchemie Gmbh | Microcapsules with a silicone wall containing a solid adsorbent loaded with an adsorptive substance used as a latent heat storage medium e.g. in fireproof linings or thermal insulation for buildings |
DE10018938A1 (en) * | 2000-04-17 | 2001-10-18 | Merck Patent Gmbh | Storage media for latent heat storage |
-
2002
- 2002-12-04 DE DE10256553A patent/DE10256553A1/en not_active Withdrawn
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4747240A (en) * | 1981-08-06 | 1988-05-31 | National Gypsum Company | Encapsulated PCM aggregate |
EP0630195B1 (en) * | 1992-02-18 | 1999-09-01 | Delta Thermal Systems, Inc. | Moldable foam with reversible enhanced thermal storage properties |
US6058979A (en) * | 1997-07-23 | 2000-05-09 | Cuming Corporation | Subsea pipeline insulation |
US6000438A (en) * | 1998-02-13 | 1999-12-14 | Mcdermott Technology, Inc. | Phase change insulation for subsea flowlines |
DE19954772A1 (en) * | 1999-11-15 | 2001-05-17 | Remmers Bauchemie Gmbh | Use of microcapsules as a latent heat storage medium, e.g. in fireproof linings or insulating plaster, involves using capsules with a lipophilic core and a wall made by polymerisation of organosilicon monomers |
DE19954769A1 (en) * | 1999-11-15 | 2001-05-17 | Remmers Bauchemie Gmbh | Microcapsules with a silicone wall containing a solid adsorbent loaded with an adsorptive substance used as a latent heat storage medium e.g. in fireproof linings or thermal insulation for buildings |
DE10018938A1 (en) * | 2000-04-17 | 2001-10-18 | Merck Patent Gmbh | Storage media for latent heat storage |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004048031A1 (en) * | 2004-09-29 | 2006-04-20 | Robert Bosch Gmbh | Heat store for storage of heat has carrier material with closed pores in which enclosed material is contained |
US8616246B2 (en) | 2005-06-06 | 2013-12-31 | Cabot Corporation | Insulated pipe and method for preparing the same |
EP2463854A1 (en) * | 2010-12-08 | 2012-06-13 | Robert Bosch GmbH | Ultrasound sensor with a dampening device and use of same |
CN102565801A (en) * | 2010-12-08 | 2012-07-11 | 罗伯特·博世有限公司 | Ultrasound sensor with a dampening device and use of same |
DE102013006103A1 (en) * | 2013-04-09 | 2014-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Device for tempering by means of latent heat storage |
US9903525B2 (en) | 2015-08-31 | 2018-02-27 | General Electronic Company | Insulated fluid conduit |
US10281079B2 (en) | 2015-08-31 | 2019-05-07 | General Electric Company | Insulated fluid conduit |
DE102016013415A1 (en) * | 2016-11-10 | 2018-05-17 | Rainer Busch | Method for producing a dimensionally stable, leak-proof phase Change Material System (PCM-S) |
WO2018138241A1 (en) * | 2017-01-30 | 2018-08-02 | Swisspor Management Ag | Method for maintaining the temperature of fluid media |
RU2762610C2 (en) * | 2017-01-30 | 2021-12-21 | Свисспор Менеджмент Аг | Method for maintaining temperature of fluids |
US11585542B2 (en) | 2017-01-30 | 2023-02-21 | Swisspor Management Ag | Method for maintaining the temperature of fluid media |
EP4227570A1 (en) * | 2017-01-30 | 2023-08-16 | swisspor Management AG | Method for maintaining the temperature of fluids and device |
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