Classifications

• • 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
  • F24D11/002—Central heating systems using heat accumulated in storage masses water heating system
  • F24D11/003—Central heating systems using heat accumulated in storage masses water heating system combined with solar 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
  • F24D3/00—Hot-water central heating systems
  • F24D3/08—Hot-water central heating systems in combination with systems for domestic hot-water supply
• • 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
  • F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
  • F28D20/0039—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material with stratification of the heat storage material
• • 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
  • F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
  • F28D2020/0082—Multiple tanks arrangements, e.g. adjacent tanks, tank in tank
• • 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
  • Y02B10/20—Solar thermal
• • 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

• Energy management system for buffering cold or heat energy and method for operating the energy management system
• the invention relates to an energy management system with at least one energy consumer and at least one energy generator, which is associated with a device for buffer storage of heating or cooling energy in a circulatory system having at least two mutually communicating storage volume, which is associated with a common distribution valve, from which to each storage volume a manifold lead, wherein a first and a second storage volume at opposite ends of the storage volume together are associated with at least three temperature levels, the first storage volume is associated with a first and a second temperature level and the second storage volume is associated with the second and a third temperature level, the two Storage volumes are each connected to each other at the ends with the second, same temperature level, the manifold connection line to the first storage volume to the end with the first temp level and the distribution line to the second storage volume at the end of the second temperature level is set and the end of the second storage volume with the third temperature level and the distribution valve each have a circulatory system connection. Furthermore, the invention also relates to a method for operating the energy management system.
• a buffer storage of heat or cooling energy is especially necessary if it is generated irregularly and / or consumed in order to compensate for fluctuations in production and consumption can.
• buffer tanks are usually used to maintain heated water at a specific temperature level over a longer period of time.
• Such a hot water treatment plant is known for example from DE 102 01 396 A1, in which a stratified storage tank is combined with a solar storage, via which the storage volume in the stratified storage tank charged, ie heated, is. From DE 10 2008 009 285 B3 is another
• This apparatus comprises a stratified charge storage system with two storage volumes in a common stratified storage tank, to which cold water is supplied and at the same time hot water is withdrawn.
• the stratified storage system has one of
• Hot water that has been heated up can therefore be directed to one of the storage volumes, but can only be taken out with one temperature level.
• the object of the invention is to provide an energy management system with a buffer memory which enables an optimized energy storage and a supply of several customers or energy consumers with different temperature levels.
• the energy management system with at least one energy consumer and at least one energy generator, which is associated with a device for buffering heat or cooling energy in a circulatory system having at least two mutually communicating storage volume, which is associated with a common distribution valve from which leads to each storage volume a manifold connection line wherein at least three temperature levels are associated with a first and a second storage volume at opposite ends of the storage volumes together, a first and a second temperature level is associated with the first storage volume and the second storage volume and the second temperature level is associated, the two storage volumes respectively the ends are connected to each other at the second, same temperature level, the manifold connecting line to the first storage volume at the end with the first temperature level and the Ve
• energy consumers and energy generators are connected both to the circulatory system connections of the device for buffer storage and to the second storage volume at the end with the second temperature level and the end of the second storage
• the power generator cold or heat energy is generated, which can be used as needed by the energy consumer or stored in the device, the energy carrier medium branched over accordingly
• Line sections between power generator, energy consumer and device for buffer storage back and forth can flow.
• the energy consumer and the energy generator are connected on the one hand to the circulation system connection of the distribution valve and, on the other hand, to the circulation system connection of the second storage volume.
• the storage volumes can be controlled individually via the distributor valve and the distributor connection lines leading to the respective storage volumes.
• Storage volume, distribution connection lines and the circuit system connected to the device are completely filled with an energy carrier medium during operation of the device, which has the different temperature levels in the storage volume.
• the storage volume can then be supplied or removed from the energy storage medium via the distribution valve.
• the distribution valve either the first or the second
• Storage volume directly controlled, wherein, when the first storage volume is loaded with energy carrier medium at the first temperature level, at the same time energy carrier medium is displaced with the second temperature level from the first storage volume in the second storage volume. If the second storage volume is controlled directly, the first storage volume remains at rest, whereby the respective temperature level in the first storage volume can be kept for a long period of time.
• a direct control of the second storage volume takes place especially when the first storage volume is completely charged at the first temperature level or if the energy source medium supplied to the distribution valve does not reach the first temperature level, ie below the first temperature level for heat energy to be stored below and to be stored for cooling energy , However, at least the energy carrier medium to be stored has the second temperature level.
• energy source medium with the third temperature level is displaced from it both when driving the first and when controlling the second storage volume via the circulation system connection of the second storage volume.
• energy carrier medium depending on what temperature level is required, either the first or the second storage volume can be controlled, in turn, the possibility there is no need to include the first storage volume as a reserve, in particular if energy carrier medium with a second temperature level is sufficient. If energy carrier medium is removed from the first storage volume, as in the loading of the first storage volume, a series connection of the mutually communicating storage volumes results, so that the first storage volume can not be accessed separately from the second storage volume.
• each energy generator is connected with at least one flow line via a common line section with at least one return of each energy consumer and each energy consumer with at least one flow over a common line section with at least one return each energy generator.
• a common line section associated with the circuit system port of the distribution valve and a branched line section associated with the circulatory system port of the second storage volume.
• the common line section relates in particular to the respective branched part of the branched line section, which connects energy producers and energy consumers with one another, without the storage volumes being included.
• the energy consumer energy carrier medium with the first or second temperature level can be supplied and / or discharged from the power generator.
• the storage volumes are included only if consumption and generation differ.
• energy source medium with a third temperature level can be supplied to the energy generator or can be led away from the consumer.
• the line sections during operation always on the same volume flows, the volume flows in the line sections in the opposite direction, ie, for example, in a line section to the device for buffer storage and in the other line section of away from the device.
• All interconnected energy producers and energy consumers are advantageously connected via one, in particular a single, designed as a hot water pipe section and a particular, designed as a cold water line line section to the circuit system connections of the device for buffer storage of heating or cooling energy.
• the storage volume can thus be integrated into the energy management system in a particularly simple manner with only two circulation system connections.
• the line sections of the hot water line and the cold water line must advantageously branch only in the region of the common line section of the power generator and energy consumers, so that as little as possible line material is needed.
• each energy generator and energy consumer are assigned their own control unit and at least one pump and shut-off or control devices which are actuated via the respective control unit.
• These shut-off or regulating devices and their control unit ensure that each energy generator and energy consumer can be individually controlled and operated.
• energy medium with first or second temperature level can be generated and stored without consuming energy at the same time, or else only consuming it and not generating it.
• individual can also be switched off, if with these no sufficiently high temperature level can be generated, there is no need or maintenance work to be carried out.
• the energy producers or energy consumers are assigned additional temperature sensors to determine the temperature of the energy carrier medium.
• the control and shut-off devices also cold and heat-side volume flows of the two line sections in the flow or return of the power generator or energy consumers can be mixed, so that an optimal, needs-based utilization of energy producers and energy consumers is possible.
• At least one energy generator can be operated with regenerative energies
• the energy management system can also be operated in an ecologically favorable manner, it being possible, in particular when using thermal energy, to integrate a solar system.
• a power generator could also be combined with or integrated into a combined heat and power plant.
• each of the storage volumes is assigned to a stratified storage container. These are then connected to each other via a storage tank connection line, so that the storage volumes can continue to communicate with each other.
• a stratification of the energy carrier medium in the stratified charge storage containers is achieved, in particular, by virtue of the fact that lines or line connections leading to the stratified charge storage containers have a sufficiently large cross section at the stratified charge storage containers, so that the incoming and outgoing energy carrier medium is calmed, ie has a laminar flow. Turbulence in the storage volume or stratified storage containers, the shift to and This energy losses are avoided by laminar flow conditions.
• Second and third temperature levels then have the same or almost the same temperature.
• the distributor connection line opens to the second storage volume in the storage container connection line.
• Each of the stratified charge storage containers thus has a total of only two line connections at respectively opposite ends, so that the stratified charge storage containers can be isolated particularly effectively and a predetermined temperature level of the energy carrier medium can be kept as long as possible.
• the layer charge storage containers are also advantageously thermally decoupled from their footprint to avoid thermal bridges.
• the storage volumes can also be arranged in a common stratified charge storage container. Stratification with a continuous temperature gradient is then achieved by arranging suitable separating and flow-guiding elements in the stratified-charge storage container which, on the one hand, shield the two storage volumes from one another and, on the other hand, avoid turbulence of the energy-carrying medium at the line connections.
• At least the circulation system connection to the distribution valve and the storage volume Temperature sensors are assigned, which are connected to a control unit of the distribution valve.
• a plurality of temperature sensors are to be arranged in the stratified charge storage container (s), wherein at least the temperatures at the ends of the storage volumes which are defined with the first, second and third temperature levels are detected.
• a temperature sensor is associated with at least each line connection of the stratified storage tank.
• the device for buffer storage ng of cooling or heat energy can be extended to the effect that at least one additional storage volume is connected and each additional storage volume is assigned a further temperature level.
• the additional storage volume is preferably assigned to a further layer charge storage container.
• the further, third storage volume is then, corresponding to the second to the first storage volume, connected to the second storage volume, wherein the third storage volume is associated with the circulatory system connection of the second storage volume.
• the distribution valve either has another outlet, i. H. the distribution valve is associated with a further distribution connection line to the third storage volume, or it is to provide a further distribution valve in one of the distribution connection lines to the first or second storage volume to control the third storage volume.
• the third temperature level is then present at the ends on the one hand and a fourth temperature level on the other hand, with the second and third storage volumes being connected to one another at the ends
• Temperature level is assigned.
• the circulatory system port is located at the fourth temperature level end.
• a particularly compact design of the device can be achieved in that the storage volumes are arranged one above the other in a predetermined installation position.
• storage volumes arranged one above the other facilitate a temperature-dependent stratification of the energy carrier.
• At least one of the distributor connection lines to the first and / or the second storage volume may also be connected to at least one further circuit.
• This further circuit can be operated separately from the circuit of the entire energy management system on the distribution valve, wherein the energy carrier medium is either removed or supplied via this further circuit.
• Such a connection thus offers the possibility of providing a further energy consumer or energy generator.
• This energy consumer is, for example, a heat exchanger of a hot water treatment plant, which is preferably connected to a port on the distribution line to the first storage volume to take advantage of the higher temperature level. The energy carrier medium is then returned by the energy consumer with a third temperature level via the circulatory system connection to the second storage volume again.
• the energy carrier medium with the first temperature level from the first storage volume can be used independently of the rest of the circulatory system, while, for example, the second storage volume is loaded via the distribution valve at the same time either with energy carrier medium or energy carrier medium is removed from this.
• a power generator may be arranged, in particular if it constantly generates heat at a predetermined temperature level, which is either above the first or at least above the second temperature level. This energy generator can then be integrated into the energy management system in a particularly simple manner in terms of control and regulation, so that the overall costs for this are reduced.
• Each additional circuit has either a power generator or energy consumer.
• the distributor valve is arranged on the heat side to the storage volume, the first temperature level higher than or equal to the second temperature level and the second temperature level higher than or equal to the third temperature level.
• the first temperature level is then also the total highest temperature of the energy carrier medium, while the third temperature level represents the lowest total temperature of the energy carrier medium in the device.
• the distributor connection lines are to be arranged at the heat-side arranged distribution valve to in the predetermined installation position upper ends of the storage volumes.
• a device with a heat-side distribution valve thus serves to provide heat energy, wherein heat at a higher first temperature level and a lower second temperature level for example, a heating system and a hot water treatment can be used.
• the distribution valve can also be arranged on the cold side to the storage volume, so that the first temperature level represents the lowest total temperature and the third temperature level represents the highest total temperature.
• the first temperature level is lower than or equal to the second temperature level and the second temperature level lower than or equal to the third temperature level.
• the first storage volume is then to be arranged below the second storage volume, and the distribution connection lines are at the lower end in the predetermined installation position
• a device with a distribution board arranged on the cold side is particularly suitable for companies in which several refrigeration circuits with different temperature levels have to be operated.
• the invention comprises a method for operating the energy management system with the device for buffer storage of refrigeration or heat energy.
• this method of operating the energy management system is characterized in that an energy carrier medium is brought to a first or second temperature level, that the energy carrier medium with the first or second temperature level is used as needed, that unused energy carrier medium is stored, that the energy carrier medium with the first temperature level for storage is first introduced into a first storage volume, wherein the energy medium is displaced from this into a second storage volume, that as soon as the first storage volume completely the first temperature level, energy medium with first or at least second temperature level is introduced directly into the second storage volume in that energy is transferred from the second storage volume to a third temperature level during either the first or the second storage volume is loaded with energy carrier medium, and is supplied to the power generation, and that, when the demand for energy medium with first or second temperature level exceeds its generation, from the first storage volume energy medium with the first temperature level or from the second storage volume with the second temperature level is removed.
• energy carrier medium with a suitable storage energy flows and amounts of energy are optimally utilized and used. Not or additionally required energy carrier medium with the first or second temperature level is either supplied to the storage volume or removed from this. Energy carrier medium that does not have at least the first or second temperature level is not stored. At least stored and stored energy carrier medium advantageously has calmed, ie laminar flow conditions, so that the stratification of the energy carrier medium in the storage volume not is affected by flow turbulences and unnecessary energy losses are avoided, in particular, has incoming and outgoing energy carrier medium a Reynolds number less than 2320 on. Depending on the number of storage volumes, energy carrier medium with different temperature levels can be provided, with an additional temperature level being available for each additional storage volume. In this case, an additional circuit is provided per temperature level, wherein each circuit is assigned a predetermined temperature level, which is tuned to the respective use. A preferred
• the energy carrier medium in one of these cycles in the production of heat energy is that energy carrier medium with the first temperature level removed from the first storage volume and used for hot water treatment.
• the lower, second temperature level is often sufficient, so that the energy carrier medium can advantageously also be brought to this temperature level or also the first temperature level by means of regenerative energies.
• the generation of at least the second temperature level is thus particularly environmentally friendly.
• the second temperature level is gradually adjusted to the first temperature level, and that the second storage volume is completely charged with each step, wherein the third temperature level after each step has a temperature equal to the second temperature level.
• the number and temperature difference of the steps until reaching the first temperature level are determined and adjusted depending on the available temperature and quantity of the energy carrier medium of the highest efficiency.
• the entire storage volume is gradually increased to a higher temperature at heat energy to be stored, or a lower temperature is stored at the refrigeration energy to be stored until a technically conditioned limit value is reached. level is reached.
• a technically conditioned threshold level is a temperature which, depending on whether heating or cooling energy is to be stored, designates the maximum or lowest temperature that can be generated by the energy generators in the energy management system.
• Fig. 1 a process flow diagram of an inventive
• FIG. 3 shows a schematic representation of an embodiment of a
• Schichtlade angles areers a front direction for storing heat energy in longitudinal section
• the process flow diagram in FIG. 1 shows two layered charge storage containers 1, 2, to each of which a storage volume 3, 4 is assigned. These stratified charge storage containers 1, 2 are connected to each other via a storage container connection line 5, so that the storage volumes 3, 4 can communicate with each other. Furthermore, the stratified charge storage containers 1, 2 associated with a distribution valve 6, which is connected via manifold connecting lines 7, 8 with the stratified storage containers 1, 2. From the distributor valve 6, the distributor connection line 7 leads to the stratified charge storage container 1 and the distributor connection line 8 to the stratified charge storage container 2. The distributor connection line 8 to the second layered charge storage container 2 opens together with the storage container connection line 5 into the layered charge storage container 2.
• the distributor valve 6 is arranged on the heat side to the stratified charge storage containers 1, 2 and the storage volume 3, 4, so that the process flow diagram shown in FIG. 1 shows an energy management system for the provision of heat energy.
• Circuit system connections 14, 15, which connect the layer charge storage containers 1, 2 to energy producers 9, 10, 11 and energy consumers 12, 13, are also provided on the distribution valve 6 and the second layer charge storage container 2.
• Both the storage tank connection line 5 and the distribution connection lines 7, 8 and the circulation system connection 15 on the layered charge storage container 2 are respectively arranged at ends 16, 17, 18, 19 of the stratified storage containers 1, 2 or storage volume 3, 4, wherein the
• Ends 16, 17, 18, 19 are associated with three temperature levels.
• the ends 17, 18 associated with the storage container connection line 5 have a second temperature level
• the power generators 9, 10, 1 1 and energy consumers 12, 13 are in their flow and return respectively associated with at least one pump 20 and Absperrund control devices 21, with which the respective power generator 9, 10, 1 1 and energy consumers 12, 13 individually controlled and can be regulated.
• the power generator 1 1 is designed as a solar system.
• all energy generators 9, 10, 11 and energy consumers 12, 13 are connected to one another via a line section 22 designed as a hot water line and a line section 23 designed as a cold water line, the line section 22 being connected to the circulating line.
• system connection 14 of the distribution valve 6 and the line section 23 is connected to the circulation system connection 15 at the layer charge storage container 2.
• the energy generator 9, 10, 1 1 are each connected to a return and the energy consumers 12, 13 each connected with a flow to a common line section 22a, which represents a branched part of the entire line section 22.
• the power generators 9, 10, 1 1 are connected to a flow and the energy consumers 12, 13 with a return to a common line section 23 a, which in turn represents a branched part of the entire line section 23.
• the energy generator 9, 10, 1 1 and the energy consumers 12, 13 can thus communicate directly with each other without the inclusion of the storage volume.
• an energy medium flowing in it can either flow directly from a power generator 9, 10, 1 1 to an energy consumer 12, 13 or be stored in one of the storage volumes 3, 4 in the line section 22 as required when less energy is needed than generated. Whether energy storage medium is stored in the storage volume 3 or in the storage volume 4 depends on its temperature level. If this is higher than or equal to the first temperature level at the end 16, storage volume 3 is loaded. Is this lower or storage volume 3 completely charged at the first temperature level, storage volume 4 is loaded when at least the second temperature level is reached. At the same time then flows out of the
• a second operating state more energy is required than can be provided, so that energy carrier medium flows from one of the storage volumes 3, 4 via the line section 22 to the energy consumers, while via the line section 23 the energy carrier medium third temperature level in the stratified storage tank 2 and the storage volume 4 flows back.
• the storage volume 3 can be fluidly decoupled both in the first and in the second operating state, so that an energy reserve can be kept ready for a further application.
• a further connection 24 is provided at the distributor connection line 7 to the layer charge storage container 1, to which a heat exchanger 25 of a hot water treatment plant is connected, wherein return from the heat exchanger 25 is supplied to the line section 23.
• FIG. 2 shows an embodiment of the energy management system that corresponds in its functions to FIG. 1.
• two layer charge storage containers 1, 2 are provided with storage volume 3, 4, which are provided with the corresponding connections and a distribution valve 6 and interconnected.
• the layer charge storage containers 1, 2 are arranged one above the other in a predetermined installation position, so that a particularly simple stratification of the energy carrier medium in the layer charge storage containers 1, 2 is made possible and the layer charge storage containers 1, 2 have a particularly compact installation form.
• the stratified charge storage container 1 is arranged above the stratified charge storage container 2.
• At the upper end 16 is thus the first temperature level with the highest total temperature, while the lower end 19 has the third temperature level and the lowest total temperature.
• the line sections 22, 23 open into a distributor strip 26 to which a power generator 9 and an energy consumer 12 are connected, the power generator 9 having a heat exchanger 27.
• the storage volumes 3, 4 are integrated into a common stratified charge storage container 28, wherein a separating element 29 is arranged between the storage volumes 3, 4. This has a centrally disposed opening 30 through which the storage volume 3, 4 with each other to be able to communicate.
• the two manifold connection lines 7, 8 and the circulatory system connection 15 are provided on the layer charge storage container 28, wherein the distribution connection line 7 and the circulation system connection 15 are respectively arranged at opposite end regions of the layer charge storage container 28.
• the distribution connection line 8 is connected centrally in the height of the separating element 29 and opens into the storage volume 4. In order to avoid flow-induced turbulence of the energy carrier medium, the junction region of the distribution connection line 8 is shielded with a flow guide 31.
• This flow-guiding element 31 is arranged perpendicular to the separating element 29 in the stratified-charge storage container 28 and, as can be seen in particular from FIG. 4, separates a circular segment, so that inflowing and outflowing energy-carrying medium produces as little turbulence as possible.
• the representations shown in FIG. 1, in FIG. 2 and in FIG. 3 are to be modified in such a way that the distribution valve 6 with the distribution connection lines 7, 8 is connected to the layered charge storage containers 1, 2 in a predetermined installation position at lower ends is, so that the first temperature level below the second and the second temperature level is disposed below the third temperature level.

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Citations (9)

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• 2012
  • 2012-04-18 DE DE102012008495A patent/DE102012008495A1/de not_active Withdrawn
• 2013
  • 2013-04-18 WO PCT/DE2013/000203 patent/WO2013156019A1/fr not_active Ceased

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