EP2932102B1 - Spalttopf fuer magnetgekuppelte pumpen sowie herstellungsverfahren - Google Patents

Spalttopf fuer magnetgekuppelte pumpen sowie herstellungsverfahren Download PDF

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Publication number
EP2932102B1
EP2932102B1 EP13820745.1A EP13820745A EP2932102B1 EP 2932102 B1 EP2932102 B1 EP 2932102B1 EP 13820745 A EP13820745 A EP 13820745A EP 2932102 B1 EP2932102 B1 EP 2932102B1
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EP
European Patent Office
Prior art keywords
percent
weight
nickel
side wall
chromium
Prior art date
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Revoked
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EP13820745.1A
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German (de)
English (en)
French (fr)
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EP2932102A2 (de
Inventor
Thomas Eschner
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Klaus Union GmbH and Co KG
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Klaus Union GmbH and Co KG
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/025—Details of the can separating the pump and drive area
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C19/00—Alloys based on nickel or cobalt
    • C22C19/03—Alloys based on nickel or cobalt based on nickel
    • C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/055—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 20% but less than 30%
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606—Canned motor pumps
    • F04D13/0626—Details of the can
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/026—Selection of particular materials especially adapted for liquid pumps

Definitions

  • the invention relates to a containment shell for arrangement in a gap between a driver and a rotor of a magnetically coupled pump, and to a method for producing the containment shell.
  • Magnetically coupled pumps can be statically sealed by placing a stationary containment shell between a drive side driver and a magnetically driven output side rotor and surrounding the rotor.
  • the containment shell is arranged in the magnetic field between the driver and the rotor, and the magnetic forces are transmitted through the containment shell.
  • a pump impeller can be coupled.
  • Drivers and rotors are provided with permanent magnets and arranged as close to each other as possible in order to provide an efficient drive.
  • the wall thickness of the side wall of the containment shell specifies how large the gap or gap between driver and runner must be at least.
  • a narrow gap or a very brief interpretation of the wall thickness of the split pot with respect to a minimum width the gap provides advantages in efficiency, in particular with regard to minimizing drive losses, but at the same time reduces a safety factor and possibly also the service life of the can, depending on which fluids are to be conveyed.
  • the corrosion resistance is just in terms of the lowest possible wall thickness of the side wall of importance.
  • the containment shell is also to be reworked, in particular cold-formed, in order to be able to adjust the geometry of the side wall by forming processes.
  • Nickel-based alloys have proven to be suitable material for containment pots.
  • the rotor is constructed of a rotor core, which is interspersed with copper short-circuiting rods, wherein the rotor runs in a can and the can of ferritic stainless steel.
  • the DE 10 2009 049 904 A1 relates to a partition wall for an electric motor comprising a stator and a rotor unit rotatably mounted on a sliding body, wherein the partition wall sealingly between the stator and the rotor unit can be arranged and wherein a retaining element with a closed surface is formed integrally with the partition of a stainless thermoformable material ,
  • the object is to provide a containment shell in which, in addition to good structural material properties, a high corrosion resistance can be ensured. It is also an object to design the containment shell so that it can be easily brought into a desired geometry. Last but not least, it is the task to design a containment shell in such a way that it can easily be given a high material hardness.
  • the material is a nickel-chromium alloy which has at least 50 percent by weight nickel and 17 to 21 percent by weight chromium. In this way, a particularly resistant containment can be provided.
  • the side wall is made uniformly from the material, in particular when the side wall is designed with a view to a minimum material thickness.
  • the entire containment shell made of the material although in particular for the flange and deviating, especially less expensive materials can be selected.
  • the material has cobalt (Co), and the cobalt content is at most 1 percent by weight. More preferably, the material boron (B), and the boron content is at most 0.006 weight percent.
  • a bottom of the split pot is preferably a section to understand, which closes the gap pot pot-shaped at one end and thereby merges into the side wall.
  • a flange part of the containment shell is preferably a section which is designed to arrange and to fix the containment pot in a defined position and orientation in the pump.
  • the material is a nickel-chromium-iron alloy, in particular a nickel alloy called Alloy 718 (Nicofer 5219 Nb), wherein the nickel content is at most 55 weight percent and the iron content is between 10 and 25 weight percent.
  • the invention relates to the use of a suitable nickel-chromium-iron alloy for a split pot, which is designed to be arranged in a gap between a driver and a rotor of a magnetically coupled pump.
  • a suitable nickel-chromium-iron alloy for a split pot, which is designed to be arranged in a gap between a driver and a rotor of a magnetically coupled pump.
  • Such a material may be a nickel-chromium-iron alloy, which has high strength and is therefore particularly useful for splitters used in pumps operating at high pressures.
  • a hardness measurement is preferably carried out before and after the heat treatment.
  • the containment shell be kept free of grease, oils, lubricants or other contaminants before it is heat treated.
  • the material has a greater hardness compared to titanium. Furthermore, the material provides the advantage of high temperature resistance, in particular up to 600 ° C.
  • Such an alloy provides high strength with good residual strain, so also sufficient ductility to allow post-processing. In this case, a very good deformability can be ensured.
  • the split pot according to the invention preferably obtains its desired geometry by spin forming the side wall as a special type of cold deformation.
  • the cup portion can be provided with a relatively thin sidewall, e.g. in the range of 1 mm, wherein the wall thickness of the side wall can also lie in a narrow tolerance range, in particular with deviations smaller 1/10.
  • the thin wall thickness, but also the narrow tolerance range offer the advantage of high drive efficiency in a magnetically coupled pump, because driver and rotor of the pump can be arranged very close together.
  • the manufacturing costs can be kept low because rework on the side wall of the split pot are not required.
  • the sidewall can be made with such high accuracy and tolerance that a face turning or grinding or any other molding process is no longer required.
  • flow-forming processes are preferably understood to mean a cold-forming process in which the side wall of the containment shell is brought to a defined thickness and receives a defined orientation, in particular a cylindrical geometry with a high dimensional stability, ie. a slight deviation from the cylindrical shape in the radial direction (accuracy better 1/10).
  • a desired geometry is to be understood as a geometry which the containment shell is to assume at the end of the production process, in particular in the region of the side wall and the bottom.
  • the desired geometry is preferably defined by the respective wall thickness of the side wall and the bottom, an outer diameter and tolerance ranges for the respective dimensions.
  • the modulus of elasticity may be, for example, in the range of 205 kN per mm 2 for room temperature and, for example, in the range of 199 kN per mm 2 for 100 ° C.
  • the material of the can of the invention can have (by suitable heat treatment) an elongation at break of ⁇ 14% and a front impact test ⁇ 20 Joule, preferably ⁇ 27 Joule.
  • the can according to the invention meets the requirements of the Pressure Equipment Directive (Directive 97/23 / EC on pressure equipment). This makes the containment shell suitable for use in pumps that operate with an internal overpressure of more than 0.5 bar.
  • the remainder of iron is preferably in a range of 11 to 24.6 weight percent (12 to 24.13 weight percent).
  • the alloy may have other trace elements, in particular up to 0.08 percent (0.045 percent) C, and / or up to 0.35 percent Mn, and / or up to 0.35 percent Si, and / or up to 0.3 Percent (0.23 percent) Cu, and / or up to 1.0 percent Co, and / or up to 0.05 percent Ta, and / or up to 0.006 percent B, and / or up to 0.015 percent (0, 01 percent) P, and / or up to 0.0015 percent (0.01 percent) S, and / or up to 5 ppm (10 ppm) Pb, and / or up to 3 ppm (5 ppm) S, and / or up to 0.3 ppm (0.5 ppm) Bi.
  • trace elements in particular up to 0.08 percent (0.045 percent) C, and / or up to 0.35 percent Mn, and / or up to 0.35 percent Si, and / or up to 0.3 Percent (0.23 percent) Cu, and / or up to 1.0 percent Co, and
  • the carbon content is exactly 0.08 weight percent (0.045 weight percent) or in the range of 75-100 percent of 0.08 weight percent (0.045 weight percent), that is between 0.06 and 0.08 weight percent (0.03375 and 0.045 weight percent).
  • the niobium content is exactly 5.5 weight percent (5.2 weight percent niobium and tantalum together) or in a range of 5.25 to 5.5 weight percent (5.1 to 5.2 weight percent niobium and tantalum together).
  • the carbon content is 0.00 wt% (0.00 wt%) or in the range 0-25% of 0.08 wt% (0.045 wt%), ie between 0.00 and 0.02 wt% (0 , 00 and 0.011 weight percent).
  • the niobium content is exactly 4.75 weight percent (4.87 weight percent) or in the range of 4.75 to 5.0 weight percent (4.87 to 4.98 weight percent niobium and tantalum together).
  • Such an alloy provides the advantage of high temperature resistance up to 700 ° C with good strength even in the high temperature range. Furthermore, these alloys have a high fatigue strength, a good creep strength up to 700 ° C and a good oxidation resistance up to 1000 ° C. They also provide good low temperature mechanical properties, good corrosion resistance at high and low temperatures, and good resistance to stress corrosion cracking and pitting. The corrosion resistance, especially against stress cracks, can be ensured in particular by the chromium content. The alloy can therefore also be used in media that are used in petroleum production and oil processing, in H 2 S-containing sour gas environments or in the field of marine technology.
  • the density of the alloy is for example in the range of 8 g / cm 3 , in particular it is 8.2 g / cm 3 .
  • the structure of the alloy is austenitic with several phases, in particular the phases carbides, laves ([Fe, Cr] 2Nb), ⁇ (Ni3Nb) orthorhombic, ⁇ "(Ni3Nb, Al, Ti) tetragonal body centered, and / or ⁇ '(Ni3Al
  • the phase ⁇ "(Ni 3 Nb, Al, Ti) is preferably tetragonally centered in space, which can be adjusted by precipitation hardening.
  • the phase ⁇ "(Ni 3 Nb, Al, Ti) tetragonal body centered provides good resistance to aging deformation cracking.
  • the preparation of the alloy can be carried out by melting in the vacuum induction furnace and subsequent electroslag remelting.
  • the remelting can also be done by a vacuum arc process.
  • the material has molybdenum, wherein the molybdenum content is between 2.8 and 3.3 percent by weight. In this way, a good corrosion resistance can be achieved, in particular independently of the temperature range in which the containment shell is used.
  • the material comprises niobium, wherein the niobium content is 4.75 to 5.5 percent by weight, or the material comprises niobium and tantalum, the proportion of niobium and tantalum together being 4.87 to 5.2 percent by weight.
  • a good temperature resistance can be set.
  • the niobium content thereby ensures the formation of at least one of the following phases of an austenitic microstructure, whereby the advantageous strength values of the material can be adjusted: phase ⁇ (Ni 3 Nb) orthorhombic, phase ⁇ "(Ni 3 Nb, Al, Ti) tetragonal body-centered, and / or phase ⁇ '(Ni3Al, Nb) face centered cubic.
  • the material comprises aluminum and titanium, wherein the aluminum content is between 0.2 and 0.8, preferably 0.4 and 0.6 percent by weight and / or the titanium content between 0.65 and 1.15, preferably 0 , 8 and 1.15 weight percent.
  • the aluminum content is between 0.2 and 0.8, preferably 0.4 and 0.6 percent by weight and / or the titanium content between 0.65 and 1.15, preferably 0 , 8 and 1.15 weight percent.
  • the material is a nickel-chromium-molybdenum alloy, in particular the nickel alloy Hastelloy C-22HS or one of the variants of this alloy, wherein the chromium content is 21 percent by weight and the nickel content is at least 56 percent by weight, especially 56.6 percent by weight, and Molybdenum content is 17 percent by weight.
  • the invention relates to the use of a suitable nickel-chromium-molybdenum alloy for a split pot, for example for arrangement in a gap between a driver and a Rotor of a magnetically coupled or for a canned motor pump.
  • a material is a nickel-chromium-molybdenum alloy, which has a high corrosion resistance and a high ductility with high rigidity and thus also dimensional stability in relation to a generated desired geometry.
  • Such a material can be cured in a simple manner after a preliminary forming. It is highly hardening by age hardening after cold working, especially without intermediate solution heat treatment.
  • the achievable hardness is a function of the degree of deformation.
  • This provides the advantage that, for example, a spin forming of the side wall of the split pot can be done to set a defined wall thickness, and that after the spin forming hardening of the side wall takes place.
  • Cold forming, in particular spin forming preferably takes place after solution heat treatment.
  • the material is also of high acid resistance, which makes its use for pumps in the chemical industry (chemical pumps) particularly interesting.
  • the material has tungsten, which distinguishes it from the nickel-chromium-iron alloy described above.
  • the strength of the material can be adjusted by a heat treatment in which Ni 2 (Mo, Cr) particles are formed, and the heat treatment is preferably carried out in a temperature range of 605 to 705 ° C.
  • the good corrosion resistance of the alloy can also already be achieved by annealing alone.
  • the density is preferably in the range of 8.6 g / cm 3 in the solution-annealed condition or 8.64 g / cm 3 in the cured state.
  • the achievable hardnesses are in the following ranges, depending on the duration of a solution annealing before curing, the hardness values were determined according to Rockwell, either scale B (hardness values in the unit Rb) or C (hardness values in the unit Rc) , material form Hardness [Rb] or [Rc] annealed Hardened plate 92 Rb 30 Rc thin-walled sheet metal 90 Rb 30 Rc Bars / rod 88 Rb 30 Rc
  • the following hardness values of the side wall can be set by aging-hardening: Hardness [Rc] by degree of deformation [%] Duration of curing [h] 0% 10% 20% 30% 40% 50% 0 ⁇ 20 29 35 37 40 45 1 ⁇ 20 27 33 38 41 47 4 ⁇ 20 26 33 39 41 48 10 ⁇ 20 35 40 41 45 51 24 ⁇ 20 40 43 44 48 52
  • the achievable hardness depends on the degree of deformation. The higher the degree of deformation, the higher the achievable hardness.
  • the material comprises iron, wherein the iron content is at most 2 percent by weight.
  • the side wall is a side wall brought into a desired geometry by a forming step, which has a degree of deformation of more than 10 percent, preferably between 20 and 50 percent, more preferably between 30 and 40 percent, in particular 35 percent.
  • a forming step which has a degree of deformation of more than 10 percent, preferably between 20 and 50 percent, more preferably between 30 and 40 percent, in particular 35 percent.
  • the material selected is a nickel-chromium alloy in a solution-annealed state, which has at least 50 percent nickel by weight and 17 to 21 percent chromium by weight, hardening being effected by heat treatment after forming.
  • the curing can be done either directly or after an intermediate solution annealing.
  • the curing is preferably carried out by a heat treatment in the temperature range of 605 to 728 ° C, in particular over a period of 18 to 48 hours, wherein the heat treatment is in any case two-stage with respect to the selected temperature and a respective stage is maintained for at least 8 hours.
  • the forming is a cold forming, wherein after the cold forming a paging hardening takes place, in particular in a temperature range of 605 to 728 ° C and without intermediate solution annealing after the cold forming.
  • the cold forming is preferably a spin forming.
  • Paging hardening can be done either directly after cold forming or after an intermediate step for solution annealing.
  • aging is preferably carried out without solution annealing intermediate step.
  • increasing hardness can be achieved with increasing hardening times, wherein the hardening times are e.g. be selected in the range of 1, 4, 10, 24 or 32 hours, preferably 32 hours at 605 ° C, since the longer duration, the hardness Rc to Rockwell scale C can be increased by over 10 percent.
  • Fig. 1 are typical short-term properties of a nickel-chromium-iron alloy in a solution annealed and cured state as a function of temperature in ° C shown. It can be seen from the diagram that quite constant mechanical properties are present in a temperature range from room temperature to 600 ° C., which applies in particular to the breaking elongation (A5) and the constriction (Z), which provides advantages with regard to good dimensional accuracy of the containment shell.
  • Fig. 2 For example, typical creep ruptures of the nickel-chromium-iron alloy in a solution-annealed and cured state are shown as a function of time in hours, with time plotted logarithmically, and with creep ruptures on the y-axis in N / mm 2 . It can be seen from the diagram that even over a period of 10 5 hours corresponding to a good 11 years at temperatures below 500 ° C., a loss of mechanical strength is hardly noticeable.
  • a split pot 1 is shown, which is formed symmetrically with respect to a symmetry axis S and a bottom 2, a side wall 3 and a flange 4 has.
  • the containment shell 1 has a nickel-chromium alloy, so it is partially or completely made of a material which can be formed from nickel and chromium and other alloying constituents.
  • a partial embodiment of the split pot in the material may, for example, relate only to the side wall 3.
  • at least the side wall 3 is formed entirely of the material.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Heat Treatment Of Articles (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
EP13820745.1A 2012-12-11 2013-12-11 Spalttopf fuer magnetgekuppelte pumpen sowie herstellungsverfahren Revoked EP2932102B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012024130.5A DE102012024130B4 (de) 2012-12-11 2012-12-11 Spalttopf für magnetgekuppelte Pumpen sowie Herstellungsverfahren
PCT/EP2013/076195 WO2014090863A2 (de) 2012-12-11 2013-12-11 Spalttopf fuer magnetgekuppelte pumpen sowie herstellungsverfahren

Publications (2)

Publication Number Publication Date
EP2932102A2 EP2932102A2 (de) 2015-10-21
EP2932102B1 true EP2932102B1 (de) 2017-03-01

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ID=50777749

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Application Number Title Priority Date Filing Date
EP13820745.1A Revoked EP2932102B1 (de) 2012-12-11 2013-12-11 Spalttopf fuer magnetgekuppelte pumpen sowie herstellungsverfahren

Country Status (10)

Country Link
US (2) US10167870B2 (https=)
EP (1) EP2932102B1 (https=)
JP (3) JP2016509125A (https=)
KR (1) KR102125592B1 (https=)
CN (1) CN104937277B (https=)
DE (2) DE102012024130B4 (https=)
ES (1) ES2627097T3 (https=)
PL (1) PL2932102T3 (https=)
RU (1) RU2640306C2 (https=)
WO (1) WO2014090863A2 (https=)

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EP4024675A1 (de) 2020-12-28 2022-07-06 Tomas Pink Single-use rotor mit kurzschlusskäfig

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DE102012024130B4 (de) 2012-12-11 2014-09-11 Klaus Union Gmbh & Co. Kg Spalttopf für magnetgekuppelte Pumpen sowie Herstellungsverfahren
DE102013018159A1 (de) * 2013-12-05 2015-06-11 Klaus Union Gmbh & Co. Kg Spalttopf und Verfahren zur Herstellung desselben
US9771938B2 (en) * 2014-03-11 2017-09-26 Peopleflo Manufacturing, Inc. Rotary device having a radial magnetic coupling
JP6344872B2 (ja) * 2015-01-27 2018-06-20 三菱重工コンプレッサ株式会社 遠心圧縮機のケーシング、及び、遠心圧縮機
US9920764B2 (en) 2015-09-30 2018-03-20 Peopleflo Manufacturing, Inc. Pump devices
CN105526190B (zh) * 2016-01-21 2018-09-28 盐城海纳汽车零部件有限公司 一种汽车发动机冷却水泵合金结构钢模锻轮毂
DE102018130946B4 (de) 2017-12-14 2024-06-20 Vdm Metals International Gmbh Verfahren zur herstellung von halbzeugen aus einer nickel-basislegierung
AR115596A1 (es) * 2018-06-28 2021-02-03 Toa Forging Co Ltd Método de fabricación para una válvula de motor hueco
GB2581339A (en) * 2019-02-08 2020-08-19 Hmd Seal/Less Pumps Ltd Containment shell for a magnetic pump
DE102020106433A1 (de) 2019-03-18 2020-09-24 Vdm Metals International Gmbh Nickel-Legierung mit guter Korrosionsbeständigkeit und hoher Zugfestigkeit sowie Verfahren zur Herstellung von Halbzeugen
RU2764491C1 (ru) * 2021-03-16 2022-01-17 Александр Анатольевич Изюков Разделительный стакан магнитной муфты
CN115234484B (zh) * 2022-06-15 2024-12-20 合肥一密科技有限公司 一种抗压、轻质、耐热、不切割磁力线防护罩的制作方法
TWI882529B (zh) * 2023-01-12 2025-05-01 全營科技有限公司 研磨液混合槽的結構

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PL2932102T3 (pl) 2017-09-29
JP7185551B2 (ja) 2022-12-07
DE102012024130B4 (de) 2014-09-11
RU2015128080A (ru) 2017-01-18
US10167870B2 (en) 2019-01-01
DE102012024130A1 (de) 2014-06-12
CN104937277A (zh) 2015-09-23
CN104937277B (zh) 2018-07-13
US20180313353A1 (en) 2018-11-01
EP2932102A2 (de) 2015-10-21
US20150337844A1 (en) 2015-11-26
KR102125592B1 (ko) 2020-07-08
WO2014090863A3 (de) 2015-02-26
JP2016509125A (ja) 2016-03-24
US10253776B2 (en) 2019-04-09
KR20150094754A (ko) 2015-08-19
DE202013012787U1 (de) 2019-08-26
JP2019116686A (ja) 2019-07-18
ES2627097T3 (es) 2017-07-26
JP2021191896A (ja) 2021-12-16
RU2640306C2 (ru) 2017-12-27

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