EP1188474A1 - Magnetrührvorrichtung und Rührgerät - Google Patents
Magnetrührvorrichtung und Rührgerät Download PDFInfo
- Publication number
- EP1188474A1 EP1188474A1 EP01810774A EP01810774A EP1188474A1 EP 1188474 A1 EP1188474 A1 EP 1188474A1 EP 01810774 A EP01810774 A EP 01810774A EP 01810774 A EP01810774 A EP 01810774A EP 1188474 A1 EP1188474 A1 EP 1188474A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- magnetic
- stirring device
- magnetic stirring
- permanent magnets
- floating body
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
- B01F33/4533—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements supporting the stirring element in one point
Definitions
- the invention relates to a magnetic stirring device according to the preamble of claim 1.
- the invention further relates to a mixer according to the Preamble of claim 10.
- Bar magnets which are used for stirring liquids can be used by the bar magnet containing a liquid Container is added, and the container onto a rotating magnetic field is set so that the bar magnet is rotated.
- bar magnets are on the Rest the bottom of the container and therefore only a limited one Generate stirring effect.
- the one between the bar magnet and the floor Frictional forces can also cause abrasion or in destroy parts of the liquid such as living cells.
- the object of the present invention is a more advantageous one Propose magnetic stirring device or a more advantageous stirring device.
- the object is achieved in particular with a magnetic stirring device comprising a stirring part, a permanent magnet and a Floating bodies that are connected to each other.
- An essential aspect of the invention is that To design the magnetic stirrer in such a way that the stirrer with respect the bottom of the container is spaced so that the stirring member no longer rotates smoothly on the floor while stirring.
- the magnetic stirring device is elongated, designed essentially rod-shaped, in the area of the first End portion the stirring part and in the area of the second end portion Float is arranged.
- the end of the first end section is the end of the first end section as a tip designed.
- This magnetic stirrer becomes a liquid Containing container added, the magnetic stirrer by the buoyancy forces acting on the floating body in an im essentially vertical alignment is maintained and against one Tilting is stabilized.
- the floating body thus causes one hydrodynamic stabilization of the magnetic stirrer against one Tilt, and thus stabilizes the magnetic stirrer with respect to two Degrees of freedom.
- a device is arranged below the bottom of the container allowed to generate a rotating magnetic field.
- This device is designed as a magnetic coupling designed a rotating permanent magnet.
- This Permanent magnet acts on those arranged in the stirring part Permanent magnets. Due to the magnetic coupling designed in this way, the Position of the stirring part and thus the position of the magnetic stirring device with respect three degrees of freedom determined, namely in the x and y direction and with respect of rotation. In the vertical direction or in the direction of the Magnetic stirring device is this through the tip, which together with the Bottom of the container forms a top bearing, only with respect to one Movement down stabilized. Along with the downward acting Magnetic force of the magnetic coupling is also the vertical degree of freedom (z direction) stabilized.
- the magnetic stirrer is thus stabilized with respect to 6 degrees of freedom.
- the known bar magnet mentioned at the beginning is only with reference to FIG. 4 Degrees of freedom stabilized, namely in the x and y directions, with respect to rotation, and, since it lies on the bottom of the container, with regard to movement downward.
- the magnetic stirring device according to the invention thus has the Advantage on that it is stabilized in terms of more degrees of freedom, what it allows the stirring part to be arranged at a distance from the bottom of the container.
- the magnetic stirring device is in the liquid of the container arranged floating, the Magnetic stirrer arranged outside of the container Magnetic field can be driven.
- the rotating one required for the drive Magnetic field can be generated with the help of electromagnetic coils or with rotatably mounted magnets, especially with rotatably mounted Permanent magnets, which with the magnetic stirrer Form magnetic coupling.
- under Use of the permanent magnets of the magnetic stirrer also Position of the magnetic stirrer influenced by these permanent magnets Form part of a passive magnetic bearing. Part of the passive Magnetic bearing is arranged outside the container and exercises one stabilizing effect on the location of the inside of the container located magnetic stirring device.
- the object is further achieved with a mixer Magnetic stirrer with one or more permanent magnets as well a floating body, as well as comprising a magnetic Drive device, the drive device and the Permanent magnets of the magnetic stirring device are mutually adapted in this way are arranged and designed such that they form a magnetic coupling.
- FIG. 1 shows a magnetic stirrer 1 in a longitudinal section a stirring part 1a, a rod 1b and a floating body 1f, which are interconnected.
- the stirring part 1a are, as in Fig. 1a shown in section F-F, two permanent magnets 1d, 1e with respect to Rod 1b arranged symmetrically.
- the rod 1b ends in a tip 1c, which together with the bottom of the container 3 is a top bearing formed.
- the stirring part 1a is light spaced from the tip 1c, so that the stirring part of the bottom of the Container 3 not touched.
- the floating body is in the second end section 1p 1f arranged.
- the floating body 1f is in the direction of the rod 1b slidably and with a fastener, not shown, such as a screw can be firmly connected to the rod 1b.
- the Magnetic stirring device 1 is located in the container 3 located liquid 4 and thereby caused on the floating body 1f Buoyancy force FAZ held in a substantially vertical position.
- the Floating body 1f thus stabilizes the magnetic stirring device 1 hydrostatic against tilting, so that the position of the Magnet stirrer with respect to two degrees of freedom is hydrostatically stabilized.
- a drive device 2 is arranged below the container 3.
- the Drive device 2 comprises a plate 2a and one in the direction of rotation 2e rotatably mounted axis 2b, two permanent magnets 2c, 2d with the Plate 2a are firmly connected.
- the permanent magnets 1d, 1e Magnetic stirring device 1 and the permanent magnets 2c, 2d Drive device 2 are arranged such that they are mutually adapted and configured that they mutually form a magnetic coupling to the Drive magnetic stirring device 1 in the direction of rotation 2e.
- This Magnetic coupling stabilizes the magnetic stirring device 1 with respect to the radial position in the x and y direction and in the direction of rotation, so that the Magnetic coupling the magnetic stirring device 1 with respect to three degrees of freedom stabilized.
- the magnetic stirrer 1 stands on the tip bearing 1 c, so that Magnetic stirring device 1 stabilized with respect to a downward movement is so that the magnetic stirring device 1 with respect to a degree of freedom the tip bearing and the magnetic attraction between the Permanent magnet 1d, 1e, 2c, 2d is stabilized.
- the location of the Magnetic stirring device 1 by means shown in FIG. 1 with respect to 6 Degrees of freedom stabilized.
- a necessary condition of hydrostatic stabilization is that the Float 1f is at least partially immersed in the liquid, or as shown in Fig. 1b, is completely submerged. So that Tip bearing 1c rests on the bottom of the container 3, it is necessary that the weight of the magnetic stirrer 1 and that by the Magnetic coupling is greater than that of the Floating body caused buoyancy FAZ.
- FIG. 2 Magnetic stirring device 1 shown in the liquid 4 of the container 3 Hovering as the buoyancy FAZ, as well as the weight the magnetic stirring device 1 and that caused by the magnetic coupling magnetic force are in an equilibrium position.
- This is the Float 1f in the appropriate position along the rod 1b to arrange.
- the floating body 1f is open the rod 1b displaceable, so that the position of the floating body 1f depending on the liquid level is adjustable so that the Magnetic stirring device 1 with its tip 1c on the bottom of the container 3 stands. After moving the floating body 1f, this becomes for example, firmly connected to the rod 1b with a screw.
- This arrangement has the advantage that the magnetic stirring device 1 is held floating and contactless in the container 3.
- the distance between the stirring part 1a and the bottom of the container 3 is represented with the dimension z.
- Towards the bottom affects the Magnetic stirring device 1 a force FMZ, which results from gravity and the magnetic caused by the drive device 2 Attraction.
- Fig. 3 shows the displacement-force diagram of the floating in the liquid Magnetic stirring device 1, wherein the sinking depth z in the abscissa and in the Ordinate the force F is shown.
- the force curve of the FMZ force is a function of Dimension z shown.
- the difference is the Force FMZ and force FAZ shown as a dashed curve.
- Fig. 4 shows in a longitudinal section a floating body 1f, which along a Height h1 frustoconical and cylindrical along height h2 is trained.
- FIG. 5 shows the weaving force diagram of a magnetic stirring device 1 comprising the floating body 1f shown in FIG. 4.
- the FMZ force has the same, already shown in Fig. 3.
- the through the Floating body 1f generated buoyancy force FAZ points along the section h1 exhibits a curved, in particular square, increase in force, whereas the floating body 1f in the cylindrical section h2 causes a linear increase in force.
- the stable Equilibrium point G is again at the intersection of the two Curves FAZ and FMZ on. Compared to that shown in Fig. 3 Curve shows the maximum difference between the forces FMZ and FAZ a higher (negative) amount.
- the permanent magnets 1d, 1e of the stirring part 1a and the permanent magnets 2c, 2d of the drive device 2 could in many different ways be arranged to mutually form a magnetic coupling.
- FIGS. 8a to 8f show several examples of such arrangements.
- the permanent magnets 2c, 2d shown are polarized in opposite directions.
- 8b shows an arrangement with only two permanent magnets 2c, 2d.
- the stirring part 1a has one single bar magnet 1d.
- the stirring part 1a is cross-shaped designed, wherein in each arm of the cross a permanent magnet 1d, 1e is arranged.
- the stirring part 1a is star-shaped, wherein A permanent magnet 1d is arranged in each arm.
- On plate 2a three permanent magnets 2c are also arranged.
- Fig. 8f that is Stirring part 1a as in Fig. 8d designed as a cross, the polarization of the Permanent magnets, in contrast to the embodiment according to FIG. 8d, are different is aligned. Examples of further arrangements of the Permanent magnets are for example in the article "Permanent magnet Bearings and Couplings, J.P. Yonnet, IEEE Transactions on magnetics, vol. Mag-17, No. January 1, 1981 ".
- the plate 2a 9 has a relatively large diameter on, the permanent magnets 2c, 2d, as in the supervision according to FIG. 10 shown, are designed in the shape of an annular segment.
- the stirring part 1a is like shown in Fig. 10, cruciform.
- the mixing device shown in FIG. 11 illustrated embodiment, the drive device 2 as one A plurality of bobbins 2f configured, which, as from the in Fig. 12th shown section along the line D-D can be seen in the circumferential direction are regularly spaced to be arranged by a corresponding Control to generate an electromagnetic rotating field.
- These coils have several advantages. In contrast to permanent magnets, their The closer the stirrer is, the greater the attraction can be with the A constant magnetic field is generated so that the coils Attraction with decreasing distance to the stirring part is not greater becomes. In addition, the magnetic field strength is via the current of the coils adjustable. This has a stabilizing influence on the location of the Magnetic stirring device.
- the Magnetic stirring device 1 in the embodiment shown in FIG. 13 three vanes or blades spaced apart in the vertical direction 1h, 1i, 1k. This allows the rotational forces of the magnetic stirring device 1 even better to transfer to the liquid 4.
- the one shown in Fig. 14 Section along the line C-C shows the cross-shaped wing 1h on average.
- the cruciform wing arranged below as well the bottom arranged stirring part 1a is shown.
- the stirrer 6 shown in FIG magnetic stirrer 1 shown has an additional blade 1h, which is firmly connected to the rod 1b.
- This wing 1h serves the rotating forces acting on the magnetic stirrer better on the Transfer liquid 4.
- Stirring the liquid 4 causes the Liquid level 4a rises at the edge of the container 3, whereas the Liquid level 4a drops in the middle, which has the consequence that the Magnetic stirring device 1 drops.
- the change in the liquid level 4a or the speed of rotation of the liquid can be reduced within the container 3 by on the inner wall of the Container 3, as shown in Fig. 16 along the section A-A, a A plurality of radially inwardly projecting rotary brakes 3a are arranged become.
- the mixing device shown in FIG Magnetic stirring device 1 shown a ring-shaped Floating body 1f, which is connected to the rod via a connecting means 1l 1b is connected.
- the arrangement and design of the floating body 1f is chosen in such a way that the changes during stirring Liquid level 4a not or only slightly to the level of Magnetic stirring device 1 affects. By stirring the liquid 4 points this shows the surface course designated 4a.
- the magnetic stirring device 1 has a relatively high mass and is therefore difficult in the radial direction by the drive device 2 to keep. Therefore, the floating body 1f is advantageously equipped with a additional device stabilized. These are within the Floating body 1f running in the circumferential direction permanent magnets 1m arranged.
- a Moving direction 5f movable adjusting device 5 arranged, which has permanent magnets 5a, 5b arranged distributed in the circumferential direction.
- the permanent magnets 5a, 5b are such with respect to the permanent magnets 1m arranged that by moving the Adjustment device 5 in the vertical direction 5f also the vertical position of the Magnetic stirring device 1 is adjustable. It is therefore advantageous to use the radial one Position of the float 1f with the permanent magnet 1m, 5a, 5b formed passive radial magnetic bearings in addition to stabilize.
- the section shown in Fig. 18 along the line D-D shows the Container wall 3 and the one arranged outside the container 3 Adjustment device 5 with support means 5e on which the permanent magnets 5a, 5b, 5c, 5d are arranged to be adjustable in the displacement direction 5f.
- Within of the cavity of the float 1f are circumferential a plurality of permanent magnets 1m arranged.
- the mixer 6 shown in a longitudinal section in FIG. 19 has one Magnetic stirrer 1, which is a circular Stirring part 1a, which is fixed with a hollow cylindrical Float 1f is connected. Within the float 1f are in Distributed permanent magnets 1m arranged circumferentially.
- the Drive device 2 has a cylindrical part 2g, which with the Axis 2b is firmly connected. In the end section of part 2g are in Circumferential direction permanent magnets 2d arranged such that over the occurring between the permanent magnets 2d and 1 m Interaction of the magnetic stirrer 1 in the direction of rotation 1e in rotation is relocatable.
- the drive device 2 is in the direction 2h slidably mounted, which also makes the vertical position of the Magnetic stirring device 1 can be influenced.
- This radial clutch has the Advantage on that they have only a small destabilizing force on the Exercises magnetic stirring device 1 with good stabilization at the same time radial direction.
- FIG. 20 shows the floating body in cross section along the section line E-E 1f, within which four permanent magnets 1m are distributed in the circumferential direction are arranged.
- the cylindrical part 2g the drive device 2 arranged, with part 2g also four Permanent magnets 2d are arranged distributed in the circumferential direction in such a way that between the permanent magnets 1m of the float 1f and the permanent magnet 2d of the drive device 2 is magnetic Coupling is formed.
- the container 3 can, as indicated in Fig. 21, as a closed bioreactor be designed with closable openings 3b and with feed and Provide derivatives 3c.
- the floating body 1f could also be fixed and non-detachable with the rod 1b be connected.
- a set of magnetic stirring devices 1 could also be used be provided, the floating body 1f at each Magnetic stirring device 1 at another location on the rod 1b is arranged so that depending on the liquid level in the container 3 a suitable magnetic stirring device 1 can be selected.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
Description
- Fig. 1
- einen Längsschnitt durch ein Rührgerät mit im Behälter aufliegender Magnetrührvorrichtung.
- Fig. 1a
- eine Detailansicht des Rührteils;
- Fig. 1b
- eine Magnetrührvorrichtung mit vollständig untergetauchtem Schwimmkörper;
- Fig. 2
- einen Längsschnitt durch ein erstes Rührgerät mit einer Magnetrührvorrichtung;
- Fig. 3
- ein Weg-Kraft-Diagramm der Magnetrührvorrichtung;
- Fig. 4
- einen Querschnitt durch einen Schwimmkörper;
- Fig. 5
- ein Weg-Kraft-Diagramm einer weiteren Magnetrührvorrichtung;
- Fig. 6
- einen Längsschnitt durch ein weiteres Rührgerät mit Magnetrührvorrichtung;
- Fig. 7
- einen Längsschnitt durch ein weiteres Rührgerät mit Magnetrührvorrichtung;
- Fig. 8a-8f
- unterschiedliche Anordnungen der Permanentmagnete von Magnetrührvorrichtung und Rührgerät;
- Fig. 9
- einen Längsschnitt durch ein weiteres Rührgerät mit Magnetrührvorrichtung;
- Fig. 10
- eine Aufsicht auf die in Fig. 10 dargestellte Antriebsvorrichtung;
- Fig. 11
- einen Längsschnitt durch ein mit elektromagnetischen Spulen versehenes Rührgerät mit einer Magnetrührvorrichtung;
- Fig. 12
- eine Aufsicht auf die in Fig. 11 dargestellten elektromagnetischen Spulen;
- Fig. 13
- einen Längsschnitt durch ein weiteres Rührgerät mit Magnetrührvorrichtung;
- Fig. 14
- einen Querschnitt durch einen an der Magnetrührvorrichtung angeordneten Flügel;
- Fig. 15
- einen Längsschnitt durch ein weiteres Rührgerät mit Magnetrührvorrichtung;
- Fig. 16
- einen Querschnitt durch den Behälter gemäss Fig. 15 entlang der Schnittlinie A-A;
- Fig. 17
- einen Längsschnitt durch ein weiteres Rührgerät mit Magnetrührvorrichtung;
- Fig. 18
- einen Querschnitt durch das in Fig. 17 dargestellte Rührgerät entlang der Schnittlinie D-D;
- Fig. 19
- einen Längsschnitt durch ein weiteres Rührgerät mit Magnetrührvorrichtung;
- Fig. 20
- einen Querschnitt durch das in Fig. 19 dargestellte Rührgerät entlang der Schnittlinie E-E;
- Fig. 21
- ein Rührgerät in Kombination mit einem Bioreaktor.
Claims (15)
- Magnetrührvorrichtung (1) umfassend ein Rührteil (1a), mindestens einen Permanentmagneten (1d,1e) sowie einen Schwimmkörper (1f), welche miteinander verbunden sind.
- Magnetrührvorrichtung (1) umfassend einen Stab (1b), wobei am ersten Endabschnitt (1o) des Stabes (1b) das Rührteil (1a) und am zweiten Endabschnitt (1p) der Schwimmkörper (1f) angeordnet ist.
- Magnetrührvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass diese im Bereich des ersten Endabschnittes (10) in eine Spitze (1c) ausläuft.
- Magnetrührvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Rührteil (1a) symmetrisch ausgebildet ist, und dass zumindest zwei Permanentmagnete (1d,1e) im Rührteil (1a) symmetrisch angeordnet sind.
- Magnetrührvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schwimmkörper (1f) in Richtung des zweiten Endabschnittes (1p) zumindest entlang eines Teilabschnittes einen zunehmenden Innenquerschnitt aufweist.
- Magnetrührvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass am Stab (1b) zumindest ein Flügel (1h) angeordnet ist.
- Magnetrührvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass im Schwimmkörper (1f) ein Permanentmagnet (1m) angeordnet ist.
- Magnetrührvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Schwimmkörper (1f) ringförmig ausgestaltet ist.
- Magnetrührvorrichtung (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Rührteil (1a) stabförmig, sternförmig oder kreisförmig ausgestaltet ist.
- Rührgerät (6) umfassend eine Magnetrührvorrichtung (1) mit einem Permanentmagnet (1d,1e) sowie einem Schwimmkörper (1f), insbesondere eine Magnetrührvorrichtung (1) nach einem der vorhergehenden Ansprüche, sowie umfassend eine magnetische Antriebsvorrichtung (2), wobei die Antriebsvorrichtung (2) und die Permanentmagnete (1d,1e) der Magnetrührvorrichtung (1) derart gegenseitig angepasst angeordnet und ausgestaltet sind, dass sie eine Magnetkupplung ausbilden.
- Rührgerät (6) nach Anspruch 10, dadurch gekennzeichnet, dass die Antriebsvorrichtung (2) Permanentmagnete (2c, 2d) aufweist, welche zusammen mit den Permanentmagneten (1d,1e) der Magnetrührvorrichtung (1) eine Magnetkupplung ausbilden.
- Rührgerät (6) nach Anspruch 10, dadurch gekennzeichnet, dass die Antriebsvorrichtung (2) eine Mehrzahl elektromagnetischer Spulen (2f) aufweist, welche zusammen mit den Permanentmagneten (1d,1e) der Magnetrührvorrichtung (1) einen Elektromotor ausbilden.
- Rührgerät (6) nach Anspruch 11, dadurch gekennzeichnet, dass die Permanentmagnete (1d,1e) der Magnetrührvorrichtung (1) sowie die Permanentmagnete (2c,2d) der Antriebsvorrichtung (2) derart angeordnet und ausgestaltet sind, dass sie gegenseitig ein passives Radial- und/oder Axialmagnetlager bilden.
- Rührgerät (6) nach einem der Ansprüche 10 bis 13, dadurch gekennzeichnet, dass die Magnetrührvorrichtung (1) ein Spitzenlager aufweist.
- Bioreaktor umfassend eine Magnetrührvorrichtung (1) nach einem der Ansprüche 1 bis 9 und/oder umfassend ein Rührgerät (6) nach einem der Ansprüche 10 bis 14.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01810774A EP1188474B1 (de) | 2000-09-13 | 2001-08-14 | Magnetrührvorrichtung und Rührgerät |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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EP00810822 | 2000-09-13 | ||
EP00810822 | 2000-09-13 | ||
EP01810774A EP1188474B1 (de) | 2000-09-13 | 2001-08-14 | Magnetrührvorrichtung und Rührgerät |
Publications (2)
Publication Number | Publication Date |
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EP1188474A1 true EP1188474A1 (de) | 2002-03-20 |
EP1188474B1 EP1188474B1 (de) | 2004-10-06 |
Family
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Family Applications (1)
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EP01810774A Expired - Lifetime EP1188474B1 (de) | 2000-09-13 | 2001-08-14 | Magnetrührvorrichtung und Rührgerät |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004073865A2 (en) * | 2003-02-18 | 2004-09-02 | Argonaut Technologies, Inc. | Radial continuous coupled magnetic mixing device |
WO2008096018A1 (es) | 2007-02-07 | 2008-08-14 | Centro De Investigación De Rotación Y Torque Aplicada, S.L. | Agitador axial electromagnético |
DE102009021992B3 (de) * | 2009-05-19 | 2010-12-09 | PRG Präzisions-Rührer GmbH | Magnetrührwerk |
US8215826B2 (en) | 2005-05-04 | 2012-07-10 | Tecan Trading Ag | Device and method for moving liquid containers |
CN102809302A (zh) * | 2012-09-14 | 2012-12-05 | 岳阳鸿升电磁科技有限公司 | 熔炼炉用底装式电永磁搅拌器 |
CN104826533A (zh) * | 2015-05-11 | 2015-08-12 | 兰州大学 | 可组合式环形立体磁力搅拌器 |
CN106237916A (zh) * | 2016-09-08 | 2016-12-21 | 山东省食品药品检验研究院 | 一种浓硫酸溶液自动配置装置 |
WO2017172316A1 (en) * | 2016-03-31 | 2017-10-05 | General Electric Company | Magnetic mixers |
DE102016114546A1 (de) * | 2016-08-05 | 2018-02-08 | Hans Heidolph GmbH | Rührvorrichtung |
US10583409B2 (en) | 2016-03-31 | 2020-03-10 | General Electric Company | Axial flux stator |
CN111101424A (zh) * | 2019-11-28 | 2020-05-05 | 苏州万祥科技股份有限公司 | 一种多工位上料装置 |
CN112601605A (zh) * | 2018-09-14 | 2021-04-02 | 赛多利斯司特蒂姆生物工艺公司 | 具有搅拌元件的混合装置和混合装置系统 |
CN113069979A (zh) * | 2021-04-01 | 2021-07-06 | 安徽农业大学 | 一种大口黑鲈养殖用饲料制备储存系统 |
US11097236B2 (en) | 2016-03-31 | 2021-08-24 | Global Life Sciences Solutions Usa Llc | Magnetic mixers |
CN115501794A (zh) * | 2022-09-27 | 2022-12-23 | 浙江博业机械科技有限公司 | 一种使用磁悬浮技术的磁力搅拌器 |
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US4534656A (en) * | 1983-06-07 | 1985-08-13 | Techne Corporation | Floating magnetic stirrer with driving guide rod |
EP0259002A2 (de) * | 1986-09-04 | 1988-03-09 | Techne, Inc. | Magnetmischer mit verbesserter Mischung |
JPH06261747A (ja) * | 1993-03-16 | 1994-09-20 | Hitachi Ltd | 細胞の液体培養方法及び培養装置 |
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2001
- 2001-08-14 EP EP01810774A patent/EP1188474B1/de not_active Expired - Lifetime
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US4465377A (en) * | 1983-06-07 | 1984-08-14 | Techne Corporation | Magnetic stirrer apparatus with guided, floating stirrer |
US4534656A (en) * | 1983-06-07 | 1985-08-13 | Techne Corporation | Floating magnetic stirrer with driving guide rod |
EP0259002A2 (de) * | 1986-09-04 | 1988-03-09 | Techne, Inc. | Magnetmischer mit verbesserter Mischung |
JPH06261747A (ja) * | 1993-03-16 | 1994-09-20 | Hitachi Ltd | 細胞の液体培養方法及び培養装置 |
Non-Patent Citations (1)
Title |
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PATENT ABSTRACTS OF JAPAN vol. 018, no. 662 (C - 1287) 14 December 1994 (1994-12-14) * |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004073865A2 (en) * | 2003-02-18 | 2004-09-02 | Argonaut Technologies, Inc. | Radial continuous coupled magnetic mixing device |
WO2004073865A3 (en) * | 2003-02-18 | 2004-12-16 | Argonaut Technologies Inc | Radial continuous coupled magnetic mixing device |
US8215826B2 (en) | 2005-05-04 | 2012-07-10 | Tecan Trading Ag | Device and method for moving liquid containers |
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