EP3688397A1 - Energiespeichersystem - Google Patents
EnergiespeichersystemInfo
- Publication number
- EP3688397A1 EP3688397A1 EP18789372.2A EP18789372A EP3688397A1 EP 3688397 A1 EP3688397 A1 EP 3688397A1 EP 18789372 A EP18789372 A EP 18789372A EP 3688397 A1 EP3688397 A1 EP 3688397A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat
- energy
- cold
- storage system
- electrical energy
- 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.)
- Withdrawn
Links
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G1/00—Hot gas positive-displacement engine plants
- F02G1/04—Hot gas positive-displacement engine plants of closed-cycle type
- F02G1/043—Hot gas positive-displacement engine plants of closed-cycle type the engine being operated by expansion and contraction of a mass of working gas which is heated and cooled in one of a plurality of constantly communicating expansible chambers, e.g. Stirling cycle type engines
-
- 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
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
-
- 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
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
- F25B21/04—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect reversible
-
- 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
-
- 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
- F28D20/028—Control arrangements therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J15/00—Systems for storing electric energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N99/00—Subject matter not provided for in other groups of this subclass
-
- 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
- F24D2200/02—Photovoltaic energy
-
- 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
- F24D2200/15—Wind energy
-
- 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
- F24D2220/00—Components of central heating installations excluding heat sources
- F24D2220/10—Heat storage materials, e.g. phase change materials or static water enclosed in a space
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/002—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of 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
- 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
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
Definitions
- the present invention relates to an energy storage system.
- the present invention has for its object to provide an energy storage system, which has a wider range of applications over known system.
- the energy storage system is designed for storing heat and cold and for providing electrical energy and is characterized by an energy converter, wherein the energy converter is designed to generate electrical energy from heat and cold and to generate heat and cold from electrical energy wherein the energy converter with a hot heat exchanger and with a cold heat exchanger in heat transfer contact and wherein the warm heat exchanger with a heat storage and the cold heat exchanger with a cold storage in Connection is provided, and wherein a control unit is provided, which operates the system in a first operating mode in which electrical energy is formed by means of the energy converter, heat and cold, and operating in a second operating mode, in the out in the heat or cold storage stored heat and cold electrical energy is generated.
- the present invention provides a simple, inexpensive and low-maintenance energy storage unit, by means of which not only electrical energy in the form of heat and cold can be stored, but conversely, electrical energy can be provided from thermal energy.
- the energy storage system which is also referred to below simply as a system, is controlled by a control unit so that a first or second operating mode is selected as needed, wherein the system converts electrical energy into thermal energy in the first operating mode and in the second operating mode Thermal energy converts into electrical energy.
- one and the same energy converter is used for both conversion processes.
- another energy converter is used than in the second operating mode.
- the energy converter is exemplified as a thermogenerator, heat pump, Stirling engine or designed as a thermoelectric element.
- a detection unit is provided, which communicates with the control unit and which is designed to determine the demand and / or the available amount of heat and / or cooling and / or electrical energy, wherein the control unit is designed, depending on This determination to set the first or the second operating mode. If excess electrical energy is available, for example from a photovoltaic system or from a wind power plant, this energy can be converted into heat and cold and stored.
- the system draws its energy from electrical energy surpluses, for example from wind and / or photovoltaic systems.
- An energy converter is connected in such a way that it simultaneously converts electrical energy into cold and heat.
- These forms of energy are then stored in respective storage units.
- heat exchangers and pumps can be used, which promote a heat transfer medium, wherein the heat transfer medium for transporting thermal energy is used, which is then ultimately stored in the heat and cold storage.
- electrical energy can be generated from heat or cold stored in the aforementioned stores if required.
- thermal energy is stored at a higher temperature level (preferably> 20 ° C) than is the case with cold storage.
- the storage of cold is understood as the case where thermal energy is stored at a lower temperature level (preferably ⁇ 20 ° C.) than is the case with the storage of heat.
- the storage or generation of cold is thus the storage or generation of thermal energy with a lower energy content than is the case with the storage or generation of heat.
- heat and the term “cold” respectively denotes thermal energy, wherein the energy content of the heat is greater than that of the cold.
- the warm heat exchanger and the heat accumulator are part of a preferably closed circuit, in which there is a heat transfer medium, which is conveyed in the circuit by a conveyor, in particular by a pump.
- the cold heat exchanger and the cold storage may be part of a preferably closed circuit in which there is a heat transfer medium, which is conveyed in the circuit by a conveyor, in particular by a pump.
- the heat transfer medium has the task to promote the heat or cold accumulating in the heat exchangers in the heat storage or in the cold storage or vice versa, to promote heat or cold from the heat storage or from the cold storage to the heat exchangers.
- a latent heat storage medium is located in the heat accumulator and / or in the cold accumulator.
- salt hydrates, paraffins, zeolites, etc. may be mentioned as phase change matehals.
- Particularly preferred is the use of sodium acetate trihydrate.
- the present invention is not limited to this type of storage media.
- storage media with the highest possible energy density into consideration, which are able to provide a low-loss long-term storage of heat and cold.
- the system may also be used to directly, i. without using the energy converter heat and / or cold e.g. to provide for heating or cooling of buildings or to provide heat or cold for processes of any kind.
- directly i. without using the energy converter heat and / or cold e.g. to provide for heating or cooling of buildings or to provide heat or cold for processes of any kind.
- the system has a coupling point for the direct use and / or feeding of heat or cold, bypassing the energy converter.
- the coupling point is located in the circuit in which the heat transfer medium is located or in which the heat transfer medium flows.
- the energy converter can be connected to an energy source for electrical energy, wherein the energy source is a photovoltaic plant or a wind energy plant.
- the energy source is a photovoltaic plant or a wind energy plant.
- the energy converter is connected to a power grid, by means of which, depending on the operating mode, the energy converter is supplied with power or is fed by it into the power grid.
- the system may be associated with a building or a facility or may be part of a building or facility, the connection being such that the building or facility may be heated and / or cooled by the system and / or electrically powered Power can be supplied and / or wherein from the building or from the system heat and / or cooling and / or electrical power can be supplied to the system.
- the provision of electrical energy to the building or to the system and the conversion of electrical energy that accumulates in or on the building or on the system in heat or cold is conceivable.
- PV system Photovoltaikaniage
- the building with a Photovoltaikaniage (hereinafter also referred to as PV system) is equipped and also has a heat and cold storage.
- the electrical energy provided by the PV system is converted into heat and cold and stored in the storage.
- heat or cold is required to heat or cool the building, it can be taken directly from the respective storage tanks.
- the heat / cold can be converted into electricity, which can be accessed or used in the power network of the building.
- exactly one heat and exactly one cold storage are provided.
- a plurality of heat accumulators and / or cold accumulators is present, which are selectively controllable via valves or other Schaitmaschine.
- the energy converter is designed as a heat pump, thermogenerator, Stirling engine or thermoelectric element. This list is not exhaustive, but exemplary.
- the present invention relates to a method for the conversion of electrical energy into heat and cold and for the conversion of heat and cold into electrical energy by means of a system according to one of claims 1 to 13, wherein in a first operating mode from electrical energy heat and cold is formed, and in a second mode of operation of heat and cold electrical energy is generated.
- the system may be supplied with electrical energy from a renewable energy source in the first mode of operation, e.g. from a PV or wind turbine. in the second mode of operation, electrical energy is supplied to a building or facility.
- a renewable energy source e.g. from a PV or wind turbine.
- electrical energy is supplied to a building or facility.
- a decentralized solution is understood to mean that preferably the system can be located in a household or industrial facility and does not need to be used as a central system serving a variety of households or industrial facilities, although not of the present invention is excluded.
- Figure 1 a schematic representation of the energy storage system in the first mode of operation
- FIG. 2 shows a schematic representation of the energy storage system in the second operating mode.
- FIG. 1 shows the system in the first operating mode in which electrical energy from a photovoltaic system and / or from a wind power plant is supplied to the energy converter 2 via one or more power connections and this energy is stored in the form of heat and cold. Electric power from process waste heat / cold can also be supplied to the energy converter.
- the supplied power is converted into refrigerating and heating energy, that is to say into thermal energy, the heat energy being provided in the warm heat exchanger 4 and the refrigerating energy in the cold heat exchanger 3.
- these heat exchangers are components of a respective closed circuit, which is traversed by a heat transfer medium, which in turn is supported by a pump 5, 6.
- the heat or cold provided in the heat exchangers 3, 4 is taken up by the heat transfer medium, which heats up or cools down.
- the heat transfer medium transports the thermal energy to another heat exchanger or heat exchanger, which stores the heat or cold in the heat storage 1W or in the cold storage 1 K. There, the heat or cold is stored until it is needed.
- two heat accumulators 1W and two cold accumulators 1K are provided, with a switching device, preferably one or more valves, being located between the pump 5, 6 and the accumulators, via which individual or several accumulators can be selected to load them with heat or cold. If a memory is loaded or unloaded, you can switch to another memory. It is also conceivable to load or unload several stores at the same time, if necessary.
- the reference numeral 7 denotes coupling points, which are located in said circuits. In these coupling points 7 can directly, i. Heat is introduced or withdrawn into the heat storage without the use of the energy converter and also introduced or withdrawn cold in the cold storage. This is indicated in FIG. 1 by the term "process heat / process cooling"
- FIG. 2 shows the process of power generation by means of the system according to the invention.
- the control system controls the system so that the stored heat and cold energy from the heat storage (1W) and cold storage (1K) by means of pumps 5, 6 is fed to the heat exchangers 3, 4 by means of the heat transfer medium , There, the thermal energy is conducted to the energy converter 2. This generates from heat and cold energy, the electrical energy for further use.
- the generated electrical energy can be fed into a power grid (house network, public network, etc.) or is otherwise available for own use in the environment.
- the system according to the embodiment can also be used for direct cold use.
- the stored refrigeration energy from the cold storage (1 K) is passed to the coupling-out unit 7 for cold.
- the decoupling unit is connected to appropriate refrigeration consumers for processes of any kind and, for example, for cooling the building or air conditioning.
- the system according to the embodiment can also be used for direct heat utilization.
- the pump 6 promotes the stored heat energy by means of the heat transfer medium from the heat storage 1W to the coupling-out unit 7 for heat.
- This output is associated with corresponding heat consumers for processes or buildings, such as e.g. connected to the heating of a building.
- the system according to the embodiment may also be used to provide external heat and / or refrigeration, e.g. Process waste heat, which accumulates as excesses via the decoupling units and the pumps 5, 6 are stored in the respective storage units 1W, 1K. This energy can then be taken in the form of thermal energy or via the current transformer in the form of electrical energy.
- external heat and / or refrigeration e.g. Process waste heat, which accumulates as excesses via the decoupling units and the pumps 5, 6 are stored in the respective storage units 1W, 1K. This energy can then be taken in the form of thermal energy or via the current transformer in the form of electrical energy.
- valve controls M Via the valve controls M, the storage capacity can be expanded as desired and adapted to the respective fürstigie. Via the valve controls M is also a parallel or serial, ie temporally successively following loading or unloading of the memory possible. It is also possible to adapt different temperature levels. This allows flexible adjustments, especially for process heat and cold.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017124030.6A DE102017124030A1 (de) | 2017-10-16 | 2017-10-16 | Energiespeichersystem |
PCT/EP2018/078250 WO2019076897A1 (de) | 2017-10-16 | 2018-10-16 | Energiespeichersystem |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3688397A1 true EP3688397A1 (de) | 2020-08-05 |
Family
ID=63915023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18789372.2A Withdrawn EP3688397A1 (de) | 2017-10-16 | 2018-10-16 | Energiespeichersystem |
Country Status (4)
Country | Link |
---|---|
US (1) | US11502628B2 (de) |
EP (1) | EP3688397A1 (de) |
DE (1) | DE102017124030A1 (de) |
WO (1) | WO2019076897A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022266169A1 (en) * | 2021-06-15 | 2022-12-22 | Voltair Power Inc. | Thermoelectric battery system and methods thereof |
BE1029653B1 (fr) * | 2022-12-16 | 2023-12-13 | Huaneng jinan huangtai power generation co ltd | Système de Double Stockage d'Energie thermique et froide |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4402188A (en) * | 1979-07-11 | 1983-09-06 | Skala Stephen F | Nested thermal reservoirs with heat pumping therebetween |
JP4650438B2 (ja) * | 2007-03-02 | 2011-03-16 | トヨタ自動車株式会社 | 蓄熱装置 |
EP2241737B1 (de) | 2009-04-14 | 2015-06-03 | ABB Research Ltd. | System zur Speicherung von thermoelektrischem Strom mit zwei Wärmebädern und Verfahren zum Speichern von thermoelektrischem Strom |
EP2312129A1 (de) * | 2009-10-13 | 2011-04-20 | ABB Research Ltd. | System zum Speichern von thermoelektrischer Energie mit einem internen Wärmetauscher und Verfahren zur Speicherung von thermoelektrischer Energie |
GB0919934D0 (en) * | 2009-11-16 | 2009-12-30 | Sunamp Ltd | Energy storage systems |
-
2017
- 2017-10-16 DE DE102017124030.6A patent/DE102017124030A1/de active Pending
-
2018
- 2018-10-16 EP EP18789372.2A patent/EP3688397A1/de not_active Withdrawn
- 2018-10-16 WO PCT/EP2018/078250 patent/WO2019076897A1/de unknown
- 2018-10-16 US US16/756,326 patent/US11502628B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20200343833A1 (en) | 2020-10-29 |
DE102017124030A1 (de) | 2019-04-18 |
US11502628B2 (en) | 2022-11-15 |
WO2019076897A1 (de) | 2019-04-25 |
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