Classifications

• • A—HUMAN NECESSITIES
  • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
  • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
  • A23B7/00—Preservation or chemical ripening of fruit or vegetables
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
  • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
  • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F6/00—Air-humidification, e.g. cooling by humidification
  • F24F6/12—Air-humidification, e.g. cooling by humidification by forming water dispersions in the air
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F24—HEATING; RANGES; VENTILATING
  • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
  • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
  • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
  • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
  • F24F2003/1435—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification comprising semi-permeable membrane

Definitions

• Embodiments of the present invention generally relate to humidity adjustment, and particularly, to a device, apparatus, and method for adjusting humidity.
• Humidity adjustment is important for storage of food, plants, medical materials and the like that need a certain degree of humidity.
• water loss is one of the major causes that greatly influence the freshness of fruits and vegetables during storage.
• it is important to control the degree of humidity and/or the transpiration rate.
• Water vapor is the gaseous phase of water. Unlike other forms of water, such as liquid water, water vapor is invisible. Humidity indicates the amount of water vapor in the air. The temperatures of the atmosphere and the water surface determine the equilibrium vapor pressure. 100% relative humidity (RH) occurs when the partial pressure of water vapor is equal to the equilibrium vapor pressure.
• the ideal conditions for preserving various kinds of food are different. For instance, to preserve mushroom and spinach, higher RH condition (for example, about 90%>) is required and the temperature is recommended to be lower (for example, lower than 15°C but above the temperature of chilling injury).
• the humidity condition in the air changes over seasons, from about 30% in winter to about 90% in summer.
• the humidity level also varies among different regions.
• the RH condition in southern China is generally higher than that in northern China. So it is difficult to store fruits and vegetables just in the air.
• the RH condition in a refrigerator is always low, for example, about 30%. As such, the humidity condition in the refrigerator cannot meet the requirements for preserving those sensitive to water loss.
• FR2517279A1 disclosed an example of prior arts which can reduce the water droplets formed on the surface of the kept fruits and vegetables.
• a film made of hydrophobic material (GORETEX) and whose pore size is between 0.01-1 micron is arranged to divide the container into two parts.
• One is a keeping space for accommodating the fruits or vegetables.
• the other one forms a space filled with mixture of water vapor and water droplets.
• This film is permeable to water vapor but impermeable to water drops. Therefore, the water vapor can pass the film to increase the RH in the keeping space, but the water droplets can be kept outside of the keeping space.
• the pore size of the film is so small that all the water droplets are stopped from penetrating the film (see Fig. 9). As a result, the humidification efficiency is very low and RH is difficult to be adjusted.
• embodiments of the present invention propose a device, apparatus, and method for adjusting humidity.
• inventions of the present invention provide a humidity adjustment device.
• the humidity adjustment device comprises a container including a wall for defining an accommodating space.
• the wall includes a water separating element for separating a mixture of water vapor and liquid water, wherein the water separating element includes a sieve portion adapted to separate the mixture of water vapor and liquid water, characterized in that the sieve portion comprises holes whose sizes are in the range of 25-35 microns.
• the water separating element is adapted to allow the water vapor and water droplets whose sizes are smaller than the holes of the sieve portion to pass through the wall and prevent the liquid water droplets whose sizes are larger than the holes of the sieve portion from passing.
• Fig. 9 shows the particle distribution of the fine mist generated by an existing mist generator (e.g. through an ultrasonic atomization), which ranges from 5 microns to 70 microns. It can be found that a large portion of the water droplets in the mist can still pass the sieve portion, so a high humidification efficiency can be obtained.
• the size of the holes of the sieve portion is around 30 microns.
• the sieve portion may comprise a coating comprising
• superhydrophobic material e.g. nano -materials like titanium oxide available in the market.
• water droplets whose dimension is larger than 35 microns can wet the sieve portion and fill the holes, so the humidification efficiency is significantly decreased.
• a coating comprising superhydrophobic material can prevent the larger droplets wetting the sieve portion by "rebounding" them back, which further helps to prevent the water droplets of undesired dimension from passing.
• embodiments of the present invention provide an apparatus comprising a humidity adjustment device according to the above aspect, and a mist generator for generating the mixture of water vapor and liquid water.
• embodiments of the present invention provide a method for adjusting humidity.
• the method comprises steps of: receiving mixture of water vapor and liquid water by a humidity adjustment device according to the above aspect; and separating the mixture of water vapor and liquid water, to allow the water vapor and water droplets whose sizes are smaller than the holes of the sieve portion to pass through the wall and prevent the liquid water droplets whose sizes are larger than the holes of the sieve portion from passing.
• Embodiments of the present invention can be implemented to realize one or more of the following advantages.
• a water separating element having a sieve portion comprising holes of specific dimensions which allows the water vapor and water droplets of desired dimension to pass through and prevents the liquid water droplets of undesired dimension from passing, it is possible for the humidity adjustment device to adjust humidity efficiently without causing undesired water droplets.
• the RH condition in the humidity adjustment device can be adjusted from low level (for example, less than 30%) to high level (for example, larger than 90%).
• low level for example, less than 30%
• high level for example, larger than 90%
• Figs. 1A and IB are schematic diagrams illustrating a humidity adjustment device in accordance with exemplary embodiments of the present invention, respectively;
• Fig. 2 is a schematic diagram illustrating a humidity adjustment device in accordance with a further exemplary embodiment of the present invention.
• Fig. 3 is a schematic diagram illustrating a humidity adjustment device in accordance with a still further exemplary embodiment of the present invention.
• Fig. 4 is a flowchart illustrating a method for adjusting humidity in accordance with exemplary embodiments of the present invention
• Fig. 5 is a schematic diagram illustrating an apparatus in accordance with an exemplary embodiment of the present invention.
• Fig. 6 is a schematic diagram illustrating an apparatus in accordance with another exemplary embodiment of the present invention.
• Fig. 7 is a schematic diagram illustrating an apparatus in accordance with yet another exemplary embodiment of the present invention.
• Fig. 8 is a schematic diagram illustrating an apparatus in accordance with still another exemplary embodiment of the present invention.
• Fig. 9 is a statistic diagram showing the particle distribution of the fine mist generated by an existing ultrasound mist generator.
• water vapor refers to the gaseous phase of water. It is one state of water within the hydrosphere. Water vapor can be produced from the evaporation or boiling of liquid water or from the sublimation of ice. Unlike other forms of water, water vapor is invisible. Under typical atmospheric conditions, water vapor may be continuously generated by evaporation and removed by condensation.
• liquid water refers to water in a liquid state, such as droplets.
• a water separating element is arranged in a wall of a container in the humidity adjustment device.
• the water separating element includes a sieve portion comprising holes whose sizes are in the range of 25-35 microns, preferably around 30 microns, upon receiving mixture of water vapor and liquid water, allows the water vapor and water droplets whose sizes are smaller than the holes of the sieve portion to pass through and prevents the liquid water droplets whose sizes are larger than the holes of the sieve portion from passing.
• the humidity adjustment device can adjust humidity with the water vapor and water droplets of desired sizes. As a result, undesired water droplets will not be caused to food, plants, medical materials and the like that are stored by using the humidity adjustment device.
• FIG. 1 A and IB schematic diagrams illustrating a humidity adjustment device in accordance with exemplary embodiments of the present invention are shown. It should be noted that though fruits and vegetables will be described in some embodiments as discussed below, this is merely for the purpose of illustration. Embodiments of the present invention are applicable to any kinds of objects or in any situations that need humidity adjustment.
• the humidity adjustment device comprises a container 100.
• the container may be any type of flexible, semirigid, or rigid container.
• the container may be a plastic bag, a plastic casing, and so on.
• the container may have various shapes, such as cuboid, sphere, ellipsoid and some other regular or irregular shapes.
• the container may comprise a wall, for example the wall 101, as well as a base, for example the base 103.
• the wall may be formed in various ways.
• the wall may include a group of tubes or pipes.
• the wall may comprise multiple layers, like that in a heat exchanger.
• the base is not essential for the container.
• the container has the shape of sphere or ellipsoid, it only has a wall, without the base.
• the wall 101 defines an accommodating space 104.
• the accommodating space may accommodate fruits or vegetables which need to be stored under a certain level of humidity, as shown in Fig. lA.
• the accommodating space may accommodate mixture of water vapor and liquid water, as shown in Fig. IB.
• the wall 101 may include a water separating element 102 for separating mixture 105 of water vapor and liquid water.
• the water separating element 102 includes a sieve portion comprising holes whose sizes are in the range of 25-35 microns, preferably 30 microns, so as to allow the mixture 106 of water vapor and water droplets of desired dimension to pass through the wall 101 and prevent the liquid water droplets of undesired dimension from passing through the wall 101.
• the sieve portion could be for example made of nylon.
• the mixture of water vapor and liquid water may be generated by a mist generator, such as a humidifier, an atomizer, and so on, which is inside or outside of the container 100.
• a mist generator such as a humidifier, an atomizer, and so on
• the mixture 105 may come from a mist generator (not shown) located outside of the container 100.
• the water separating element 102 When the mixture 105 is processed by the water separating element 102, the water vapor and water droplets whose dimensions are smaller than the holes of the sieve portion may enter into the container 100 and the liquid water droplets whose dimensions are larger than the holes of the sieve portion may stay outside of the container 100.
• the mixture 105 of water vapor and liquid water may be generated in the container 100.
• the mixture 105 may come from a mist generator (not shown) located in the container 100.
• the mixture 106 of water vapor and water droplets of desired size may exist from the container 100 and the liquid water droplets of undesired size may stay inside of the container 100.
• the wall of the container may be partially or entirely formed by the sieve portion.
• the water separating element 102 includes a sieve portion which forms part of the wall 101.
• the wall may be entirely formed by the sieve portion, which will be further described with regard to the embodiment of Fig. 3.
• the sieve portion comprises a coating comprising superhydrophobic material.
• the superhydrophobic material is material having the property of superhydrophobicity.
• Superhydrophobicity is a physical property of a surface whereby the surface is extremely difficult to wet with water.
• the contact angle of a water droplet on a surface having the property of superhydrophobicity exceeds 150° and the roll-off angle is less than 10°.
• the super- hydrophobic coating materials are nano-materials, like titanium oxide, which are available in the market. With the superhydrophobic material, the nylon or other materials of the sieve portion can be prevented from wetting and the water droplets of undesired dimension can be further prevented from passing.
• the sieve portion may be a surface modified mesh that is made of metal, polymer, ceramic or other solid materials.
• a coating layer may be applied on the mesh that has superhydrophobic property to prevent water droplets of undesired dimensions from going through. Since the liquid water, such as droplets, may range from several micro meters to thousands micro meters, while the diameter of the water vapor is of nano meters, almost all larger size of droplets can be blocked by the sieve portion due to the superhydrophobic properties.
• the container 100 may include a supporting structure (not shown) that is adapted to support the sieve portion.
• the supporting structure may play a supporting role.
• the supporting structure may be implemented by any suitable technologies, either currently known or to be developed in the future, which will not be detailed here. It is to be noted that the supporting structure is optional. In some example embodiments, the sieve portion may work well without the supporting structure.
• the water separating element may have several spatial relationships with the wall.
• the water separating element may be arranged on a portion of the wall, as shown in Figs. 1 A and IB.
• the water separating element may be implemented as a layer of the wall. There may be no air gap between the wall and the water separating element.
• the water separating element may be arranged on the entire wall, as shown in Figs. 3 below.
• the water separating element may be arranged inside the container and keep a certain distance from the top of the wall, which will be described with reference to the embodiment of Fig. 2.
• Fig. 2 is a schematic diagram illustrating a humidity adjustment device in accordance with a further exemplary embodiment of the present invention.
• the humidity adjustment device as shown in Fig. 2 may be considered as an embodiment of the humidity adjustment device described above with reference to Fig. 1 A. However, it is noted that this is only for the purpose of illustrating the principles of the present invention, rather than limiting the scope thereof.
• the humidity adjustment device comprises a container 200.
• the container 200 includes a wall 201 that defines an accommodating space.
• the wall 201 includes a water separating element 202 for receiving mixture 205 of water vapor and liquid water.
• the water separating element 202 is located in the container and keeps a certain distance from the top of the wall. As such, the accommodating space is divided into two subspaces 208 and 209, by the water separating element 202.
• the water separating element 202 is comprised by the wall 201.
• the water separating element 202 is not arranged on the top of the wall 201, it still belongs to a part of the wall 201.
• the mixture 205 of water vapor and liquid water may be leaded to the container 201 through a tube 204.
• One end of the tube 204 may be connected with an inlet on the container, and the other end of the tube 204 may be exposed to the mixture 205 or connected with an external mist generator that generates the mixture 205.
• the mixture 205 may enter into the container, for example, the subspace 208, through the tube 204.
• the water separating element 202 receives the entered mixture 205 and only allows the mixture 206 of water vapor and water droplets of desired dimension to pass through. In this way, the water vapor and water droplets of desired dimensions may enter into the subspace 209.
• Water vapor may condense into undesired droplets due to a number of factors, such as temperature decrease, equilibration, and so on.
• water vapor may condense on a surface when the surface is cooler than the dew point temperature, or when the water vapor equilibrium in air has been exceeded.
• the container 200 may include a bottom 203 adapted to drain away droplets formed in the container.
• the bottom 203 may be perforated or grooved, such that outlet(s) or hole(s) 207 may be formed on the bottom to drain away the undesired droplets.
• Fig. 3 is a schematic diagram illustrating a humidity adjustment device in accordance with a still further exemplary embodiment of the present invention.
• the humidity adjustment device as shown in Fig. 3 may be considered as an embodiment of the humidity adjustment device described above with reference to Fig. IB. However, it is noted that this is only for the purpose of illustrating the principles of the present invention, rather than limiting the scope thereof.
• the mixture 305 of water vapor and liquid water is generated in the container 300.
• the mixture 305 may come from a mist generator (not shown) located in the container 300.
• the mixture 306 of water vapor and water droplets of desired dimensions may exist from the container 300 and the liquid water droplets of undesired dimensions may stay inside of the container 300.
• the container 300 may include a bottom 303 adapted to drain away the liquid water.
• the bottom 303 may be perforated or grooved, such that outlet(s) or hole(s) 307 may be formed on the bottom to drain away the undesired droplets.
• Fig. 4 is a flowchart illustrating a method 400 for adjusting humidity in accordance with exemplary embodiments of the present invention.
• the method 400 may be performed by the humidity adjustment device according to embodiments of the present invention, for example those discussed with respect to Figs. 1A and IB and Figs. 2 to 3, as well as various modifications, adaptations to the foregoing exemplary embodiments.
• the method 400 begins at step S401, where a mist of a mixture of water vapor and liquid water is received by the humidity adjustment device according to embodiments of the present invention.
• the mixture of water vapor and liquid water may be separated, such that the water vapor and water droplets of desired dimensions are allowed to pass through the wall and the liquid water droplets of undesired dimensions are prevent from passing.
• the mixture of water vapor and liquid water may be separated by the water separating element.
• the mixture of water vapor and liquid water may be generated outside of the container. In this case, the water vapor and water droplets of desired dimensions enter into the container and the liquid water droplets of undesired dimensions stay outside of the container.
• the mixture of water vapor and liquid water may be generated in the container, and the water vapor and water droplets of desired dimensions exit from the container and the liquid water droplets of undesired dimensions stay inside of the container.
• the method 400 may further comprise an optional step of draining away droplets formed in the container.
• the droplets may be drained away through a perforated or grooved bottom of the container in the humidity adjustment device.
• the humidity adjustment device may be applied in various applications.
• the humidity adjustment device in accordance with embodiments of the present invention may be used by a freshness keeper, a humidifier, a refrigerator, a refrigeration house, and any suitable application either currently known or to be developed in the future, which will not be detailed here.
• the humidity adjustment device may be installed in a closed storage box. The humidity adjustment device installed in the storage box may achieve an appropriate high humidity level, which is suitable for fruits or vegetables that prefer high moisture.
• the humidity adjustment device may be implemented as an independent humidity control chamber designed for a refrigerator.
• the humidity level of fruits or vegetables stored in the humidity control chamber of the refrigerator may be adjusted by consumers.
• the humidity adjustment device may be installed in the upper layer of refrigerator, which may generate a gradient humidity level, from higher level to lower level. As such, consumers can arrange fruits or vegetables depending on the relative humidity level.
• Fig. 5 is a schematic diagram illustrating an apparatus 500 in accordance with an exemplary embodiment of the present invention.
• the apparatus 500 comprises a humidity adjustment device including a container 100.
• apparatus 500 comprises a mist generator 501 for generating mixture of water vapor and liquid water.
• the mist generator may be inside or outside of the container of the humidity adjustment device.
• Fig. 5 shows a mist generator 501 that is outside of the container 100, which generates the mixture
• the mist generator 501 may generate mixture of water vapor and liquid water continuously or intermittently, such that the relative humidity in the container could be maintained at a required level.
• the liquid water of undesired dimensions may stay outside of the container 100 and the water vapor and liquid water of desired dimensions may enter into the container 100.
• the apparatus 500 may be implemented as a freshness keeper, for example, wherein humidity of fruits or vegetables stored in the container 100 may be well controlled.
• Fig. 6 is a schematic diagram illustrating an apparatus 600 in accordance with another exemplary embodiment of the present invention.
• the apparatus 600 comprises a humidity adjustment device including a container 200.
• apparatus 600 comprises a mist generator 601 for generating mixture of water vapor and liquid water.
• the embodiment of Fig. 6 shows a mist generator 601 that is outside of the container 200.
• the liquid water of undesired dimensions may stay outside of the container 200 and the water vapor and liquid water of desired dimensions may enter into the container 200.
• the apparatus 600 may be implemented as a freshness keeper as well, wherein humidity of fruits or vegetables stored in the container 200 may be well controlled.
• water vapor in the container 200 may condense into undesired droplets.
• water vapor may condense on a surface when the surface is cooler than the dew point temperature, or when the water vapor equilibrium in air has been exceeded.
• the apparatus 600 may optionally comprise a humidity sensor 602 adapted to monitor humidity in the container or out of the container and/or a temperature sensor 603 adapted to monitor temperature in the container or out of the container.
• the humidity sensor 602 and the temperature sensor 603 may monitor the humidity and temperature in the container 200, respectively. It is to be noted that the humidity sensor and the temperature sensor may monitor the humidity and temperature out of the container, which will be described with respect to embodiment of Fig. 8 below.
• the apparatus 600 may comprise a temperature adjustment device 604 adapted to adjust the temperature associated with the container.
• the temperature adjustment device 604 may utilize data monitored by the temperature sensor 603, to continuously or intermittently raise or lower temperature associated with the container.
• the temperature associated with the container may, for example, comprise temperature in the container, temperature out of the container,
• the apparatus 600 may comprise a water processing device 605 adapted to collect and process liquid water prevented by the water separating element.
• the water processing device 605 may be implemented by any suitable technologies, either currently known or to be developed in the future, which will not be detailed here. It is to be noted that the aforesaid devices 602-605 are optional for the apparatus according to embodiments of the present invention. In some embodiments, the apparatus can be implemented without these optional devices.
• Fig. 7 is a schematic diagram illustrating an apparatus 700 in accordance with yet another exemplary embodiment of the present invention. As shown in Fig. 7, the apparatus 700 comprises a humidity adjustment device including a container 100.
• apparatus 700 comprises a mist generator 701 for generating mixture of water vapor and liquid water.
• the mist generator 701 may generate mixture of water vapor and liquid water continuously or intermittently, such that the relative humidity in the container could be maintained at a required level.
• the water vapor and water droplets of desired dimensions may exit from the container and the liquid water droplets of undesired dimensions may stay inside of the container.
• fruits and vegetables may be stored in the apparatus 700 and outside of the container 100.
• the apparatus 700 may be implemented as a storage box, a freshness keeper, a refrigerator, a refrigeration house, and so on.
• Fig. 8 is a schematic diagram illustrating an apparatus 800 in accordance with still another exemplary embodiment of the present invention. As shown in Fig. 8, the apparatus 800 comprises a humidity adjustment device including a container 300.
• apparatus 800 comprises a mist generator 801 for generating mixture of water vapor and liquid water.
• the embodiment of Fig. 8 shows a mist generator 801 that is inside of the container 300.
• the water separating element 302 When the mixture generated by the mist generator 801 is processed by the water separating element 302, the water vapor and water droplets of desired dimensions may exit from the container 300 and the liquid water droplets of undesired dimensions may stay inside of the container 300.
• the apparatus 800 may be implemented as a storage box, a freshness keeper, a refrigerator, a refrigeration house, and so on.
• the apparatus 800 may optionally comprise a humidity sensor 802, a temperature sensor 803, a temperature adjustment device 804, and a water processing device 805.
• the devices 802-805 are similar to the devices 602-605 discussed above, which will not be detailed here.
• the apparatus 500-800 may comprise other units or devices implemented by any suitable technologies, either currently known or to be developed in the future, which will not be detailed here.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Life Sciences & Earth Sciences (AREA)
• Dispersion Chemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Chemical & Material Sciences (AREA)
• Wood Science & Technology (AREA)
• Zoology (AREA)
• Food Science & Technology (AREA)
• Polymers & Plastics (AREA)
• Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
• Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

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• 2015
  • 2015-12-01 CN CN201580065725.1A patent/CN106998714A/zh active Pending
  • 2015-12-01 WO PCT/EP2015/078251 patent/WO2016087466A1/en active Application Filing
  • 2015-12-01 EP EP15804411.5A patent/EP3227616B1/de not_active Withdrawn - After Issue
  • 2015-12-01 US US15/531,063 patent/US20170321908A1/en not_active Abandoned
  • 2015-12-01 RU RU2017123206A patent/RU2017123206A/ru not_active Application Discontinuation

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