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EP3783628A1 - Dispositif de stockage pour aimants permanents et procédé de transport - Google Patents

Dispositif de stockage pour aimants permanents et procédé de transport Download PDF

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Publication number
EP3783628A1
EP3783628A1 EP20190480.2A EP20190480A EP3783628A1 EP 3783628 A1 EP3783628 A1 EP 3783628A1 EP 20190480 A EP20190480 A EP 20190480A EP 3783628 A1 EP3783628 A1 EP 3783628A1
Authority
EP
European Patent Office
Prior art keywords
permanent magnets
storage device
ferromagnetic material
casing
permanent magnet
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
Application number
EP20190480.2A
Other languages
German (de)
English (en)
Other versions
EP3783628B1 (fr
Inventor
Helmut Soltner
Norbert Dettmann
Harald GLÜCKLER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Forschungszentrum Juelich GmbH
Original Assignee
Forschungszentrum Juelich GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Forschungszentrum Juelich GmbH filed Critical Forschungszentrum Juelich GmbH
Publication of EP3783628A1 publication Critical patent/EP3783628A1/fr
Application granted granted Critical
Publication of EP3783628B1 publication Critical patent/EP3783628B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/02—Permanent magnets [PM]
    • H01F7/0205—Magnetic circuits with PM in general
    • H01F7/0221—Mounting means for PM, supporting, coating, encapsulating PM

Definitions

  • the invention relates to a storage device for permanent magnets.
  • a storage device within the meaning of the invention is used to store and transport permanent magnets.
  • the invention also relates to a method for transporting permanent magnets.
  • Storage is also known as "bridging time”.
  • goods i.e. permanent magnets in the present case
  • Stored goods are only required at a later point in time and are therefore stored.
  • a storage device is intended and suitable for this purpose.
  • Permanent magnets can be strung together in rods by magnetic force. Such bars can be stored in a container. The container can be transported together with the permanent magnets located therein, for example in order to transport permanent magnets from a supplier to a customer. If several bars in a row are to be stored in a container, a non-magnetic material can be placed between the individual bars in order to keep bars at a distance. In this way it can be avoided that the rods collide in an uncontrolled manner, which could result in damage.
  • a plurality of steel sheets with permanent magnets adhering to them can be accommodated in a container in order to be able to transport a large number of permanent magnets, for example from a supplier to a customer.
  • a large volume is disadvantageously required for this. If a permanent magnet is removed, it can also slip away, then collide with another permanent magnet and thus be damaged.
  • a device for producing permanent magnet assemblies.
  • a permanent magnet arrangement comprises a multiplicity of permanent magnets which are arranged one behind the other and next to one another. Such an arrangement can be used to be sent from a supplier to a customer.
  • the purpose of the WO 2018/204832 A1 known device consists in producing permanent magnet arrangements. In order to be able to do this, the WO 2018/204832 A1 known device has a large number of devices such as cartridges, a convergence device and a holder together with a holder form for permanent magnet arrangements.
  • the pamphlet US 2009/0293238 A1 discloses a device for coupling two objects together by means of magnetic force.
  • the invention is intended to improve a storage device for permanent magnets.
  • the object of the invention is achieved with a bearing device with permanent magnets contained therein, which comprises the features of the first claim.
  • the additional claim relates to a storage device for the storage of permanent magnets.
  • Advantageous refinements result from the dependent claims.
  • the object is also achieved by a method with the features of a further independent claim.
  • the storage device provided to achieve the object contains permanent magnets which are arranged next to one another and / or one above the other.
  • the storage device has sheaths formed from ferromagnetic material for the permanent magnets.
  • Each casing comprises at least one opening which makes it possible to insert a permanent magnet into the casing and / or to remove an inserted permanent magnet from its casing.
  • Magnetic flux lines of a permanent magnet are guided from a magnetic pole to the opposite magnetic pole through the casing made of ferromagnetic material. This ensures that only little magnetic flux penetrates to the outside. Problematic interactions between permanent magnets can be kept low in this way. A permanent magnet can also be removed from the bearing device without strong attractive forces being exerted on it by permanent magnets that are still in the bearing device.
  • a casing in the sense of the present invention runs around an inserted permanent magnet.
  • a casing in the sense of the present invention extends from one pole to another pole of an inserted permanent magnet in such a way that magnetic flux lines of a permanent magnet are guided through the casing from a magnetic pole to the opposite magnetic pole.
  • Permanent magnets can be securely stored by the storage device according to the invention. There is therefore no need to fear transport damage if the storage device with the permanent magnets stored therein is transported, for example from a supplier to a customer. Permanent magnets can be removed individually without any risk. A high packing density is also possible, i.e. a low transport volume.
  • the shape of the cross section of the casing and the shape of the adjoining outer contour of the permanent magnet inserted therein are the same. So, for example, is the outer contour If a permanent magnet is used and adjoins the casing, it is circular, then the shape of the cross section is also circular. If, for example, the outer contour of a permanent magnet that is used, which is adjacent to the casing, is square, then the shape of the cross section is also square.
  • the shape of the named outer contour of a permanent magnet used is slightly smaller than the named shape of the cross section of the casing. There is then a slight play between an inserted permanent magnet and its casing. This allows a permanent magnet to be inserted into and removed from a casing without having to overcome high frictional forces. The small play secures the position of an inserted permanent magnet and thus contributes to transport safety. In addition, a high packing density is possible as a result.
  • a permanent magnet is preferably also used with play in a casing if the shape of the mentioned outer contour of a permanent magnet used differs from the mentioned shape of the cross section of the casing. It is then also avoided having to overcome high frictional forces for inserting or removing a permanent magnet.
  • a permanent magnet is located in a channel of a casing.
  • the permanent magnet can be pushed through the channel. This means that the permanent magnet can enter the channel on one side of the channel and can leave the channel on the other side of the channel.
  • the casing then has two openings. This makes it easier to insert and remove a permanent magnet.
  • a casing formed from ferromagnetic material is spatially separated from another casing formed from ferromagnetic material. So there is a gap between the two sheaths. There can be an air gap between the two sheaths formed from ferromagnetic material, which causes a spatial separation.
  • a layer of a different material, in particular a non-ferromagnetic material, can be made between the two Sheaths formed by ferromagnetic material may be present, which causes a spatial separation. Such a spatial separation can achieve a further improved effect that there is little interaction between two permanent magnets used.
  • a casing formed from ferromagnetic material is not spatially separated from another casing formed from ferromagnetic material. So there is no air gap between the two sheaths made of ferromagnetic material that would cause a spatial separation. There is also no layer made of a different material, in particular a non-ferromagnetic material, between the two sheaths formed from ferromagnetic material. This configuration is used for a high packing density.
  • permanent magnets are arranged in two sheaths formed from ferromagnetic material that are spatially separated from one another in such a way that identical magnetic poles are arranged adjacent to one another.
  • permanent magnets are arranged in two sheaths made of ferromagnetic material, between which there is a layer made of a non-ferromagnetic material, that the same magnetic poles are arranged adjacent to one another. This ensures in an improved manner that stored permanent magnets maintain a spacing. This improves the avoidance of transport damage.
  • two sheaths formed from ferromagnetic material form a common channel through which a permanent magnet can be pushed.
  • permanent magnets can be arranged one above the other and still be easily inserted and removed.
  • this layer comprises a passage, which is then part of the common channel.
  • a permanent magnet can then be pushed in on one side of the common channel and can leave the common channel on the other side.
  • a cross section of a channel of a casing is not aligned in the same way as the cross section of an adjacent channel of a casing. This allows manufacturing advantages to be achieved for devices that are to be equipped with permanent magnets.
  • the invention also relates to a storage device for permanent magnets, which is designed as described above, but in which no permanent magnets are used.
  • permanent magnets can be used as described above.
  • the invention also includes, in particular, a storage device for permanent magnets, in which permanent magnets can be arranged next to one another and one above the other in sheaths.
  • the sheaths are made of ferromagnetic material.
  • Each casing formed from ferromagnetic material has a channel through which a permanent magnet can be pushed.
  • At least two sheaths formed from ferromagnetic material are spatially separated from one another. The channels of the two spatially separated sheaths form a common channel through which a permanent magnet can be pushed.
  • the invention also relates to a system comprising a storage device according to the invention and a receiving container.
  • the storage device is adapted to the receptacle in such a way that the storage device can be placed on the receptacle in order to then move permanent magnets out of the storage device into the receptacle.
  • the receiving container can comprise a closing means which can close the receiving container after the permanent magnets have been moved into the receiving container in such a way that the permanent magnets are held in the receiving container without the storage device placed on the receiving container having to be removed for the closing.
  • the closing means can comprise at least one slide, that is to say a closing means which can be moved back and forth between an open position and a closed position by displacement.
  • the system can comprise a tool with a plurality of rams, with which permanent magnets can be displaced from the storage device into the receptacle when the storage device is placed on the receptacle.
  • the system is used to manufacture devices that include the receptacle.
  • the invention also relates to a method for transporting permanent magnets by loading a storage device according to the invention with the permanent magnets stored therein into a motor vehicle.
  • the motor vehicle then travels to a destination.
  • the storage device with the permanent magnets stored therein is unloaded from the motor vehicle.
  • permanent magnets are removed from the storage device.
  • Permanent magnets can be transported from a supplier to a customer, for example. The customer can use the permanent magnets for his own purposes after the customer has removed the permanent magnets from the storage device.
  • Permanent magnets can easily be transported over long distances. Distances of many kilometers are possible. Permanent magnets can be stored in the storage device for several days or several weeks.
  • a storage device according to the invention is set up in such a way that permanent magnets can be stored by the storage device for long periods of time.
  • the exemplary embodiments make it clear that a storage device according to the invention is set up in such a way that permanent magnets can be brought into the storage device.
  • the exemplary embodiments make it clear that a storage device according to the invention is set up in such a way that permanent magnets can be removed from the storage device.
  • the exemplary embodiments make it clear that a storage device according to the invention is not set up in such a way that its main purpose is not storage.
  • a device which comprises devices in order to be able to fulfill another purpose is therefore not a storage device in the sense of the present invention.
  • the Figure 1 shows in section a bearing device 1 for permanent magnets 2, in which the permanent magnets 2 are arranged one above the other.
  • the permanent magnets 2 have a casing 3 made of ferromagnetic material.
  • the sheaths 3 formed from ferromagnetic material are spatially separated from one another. They therefore do not touch.
  • the spatial separation is brought about by layers 4 which are formed from a non-ferromagnetic material.
  • the permanent magnets 2 are arranged in the bearing device 1 in such a way that the same magnetic poles are arranged adjacent to one another.
  • the south pole of the uppermost permanent magnet 2 is therefore arranged adjacent to the south pole of the permanent magnet 2 located below it.
  • the south pole of the lowermost permanent magnet 2 is arranged adjacent to the south pole of the permanent magnet 2 located above it.
  • the north poles of the two central permanent magnets 2 are arranged adjacent to one another.
  • Rods 5 made of non-ferromagnetic material pass through the sheaths 3 and the layers 4 and are screwed at their ends with nuts 6 in order to firmly connect the sheaths 3 and the layers 4 to one another. It is sufficient if one end of a rod 5 is screwed to a nut 6. The other end can then have a head which is firmly connected to the rod 5.
  • the storage device can have a multiplicity of further casings 3, which are present for example on the side and / or behind the casings 3.
  • the number of permanent magnets 2 arranged one above the other can also be more than four or less than four.
  • the ferromagnetic material can consist at least predominantly of iron, nickel or cobalt.
  • the ferromagnetic material can be an alloy which comprises predominantly iron, nickel or cobalt, for example.
  • the ferromagnetic material is preferably made of steel, since it is very stable.
  • the non-ferromagnetic material can be a non-ferrous metal such as aluminum, copper, brass, lead, gold, silver or magnesium.
  • the non-ferromagnetic material can be a stainless steel.
  • the non-ferromagnetic material can be an alloy that includes aluminum, copper, brass, lead gold, silver or magnesium includes.
  • the non-ferromagnetic material can be wood, plastic or ceramic.
  • the non-ferromagnetic material can be a composite material which is formed from the aforementioned non-ferromagnetic materials.
  • the ferromagnetic and non-ferromagnetic materials can also be firmly connected to one another in some other way, for example by pins or gluing.
  • the thickness of a casing 3 is preferably smaller than the depth of an adjacent permanent magnet 2. If the permanent magnet 2 has, for example, a diameter D, the thickness of an adjacent casing 3 is smaller than the diameter D. A greater thickness only increases weight and volume without to be able to further reduce disadvantageous interactions to a significant extent.
  • the thickness of a casing 3 is preferably greater than 1/3 the depth of an adjacent permanent magnet 2. If the permanent magnet 2 has a diameter D, for example, the thickness of an adjacent casing 3 is then greater than 1/3 D. Such a minimum thickness has been found Proven to be useful to get good results.
  • the permanent magnets can be rare earth magnets such as neodymium - iron - boron magnets or samarium - cobalt magnets.
  • the permanent magnets can be made of plastic with permanent magnetic properties such as PANiCNQ. It can be aluminum-nickel-cobalt magnets such as N45SH magnets.
  • the Figure 2a shows the storage device 1 from Figure 1 without permanent magnets stored therein 2.
  • the Figure 2a shows that each casing 3 formed from ferromagnetic material has a channel 7 as a bearing for the permanent magnets 2.
  • Each permanent magnet 2 can be pushed through each channel 7.
  • the layers 4 have passages 8 corresponding to the channels 7, through which the permanent magnets 2 can also be pushed.
  • the channels 7 and passages 8 form a common channel.
  • Each permanent magnet 2 can therefore be pushed in on one side, can for example be pushed through the jointly formed channel and can finally be pushed out of the storage device 1 again at the other end.
  • the Pushing through can be done with a tool, for example with a plunger.
  • the two end openings of a common channel 7, 8 can each have a closure, for example in the form of a cover, in order to protect permanent magnets stored in the bearing device 1 from disadvantageous external influences.
  • a closure for an opening can also be provided on only one side in order to form a stop when a permanent magnet 2 is pushed into the bearing device 1. This makes loading easier.
  • FIG. 11 shows a section through the embodiment of FIG Figure 2a namely in the amount of a layer 4.
  • the Figure 2b illustrates that a passage 8 is an opening in the layer 7 which is dimensioned such that a permanent magnet 2 can be pushed through the opening.
  • the Figure 3 shows a plan view of the storage device 1 from Figure 1 .
  • the Figure 3 shows that the circular diameter of the channels 7 of the sheaths 3 are only slightly larger than the circular outer diameter of the permanent magnets 2.
  • the shape of the cross section of each sheath 3 and the shape of the adjoining outer contour of the permanent magnet 2 inserted therein are therefore the same.
  • Each permanent magnet 3 can therefore be pushed into a channel 7 without excessively large frictional losses.
  • the Figure 3 shows that the thickness of the cladding 3 is smaller than the depth of the permanent magnet 2, but is more than 1/3 the depth. In case 3, the depth is the diameter of the permanent magnet 2 shown.
  • the Figure 4 shows in section a second embodiment of a bearing device 1 for permanent magnets 2, in which the permanent magnets 2 are arranged one above the other.
  • a casing 3 made of ferromagnetic material.
  • the sheaths 3 formed from ferromagnetic material are spatially separated from one another.
  • the spatial separation is brought about by layers 4 which are formed from a non-ferromagnetic material.
  • the permanent magnets 2 are arranged in the bearing device 1 in such a way that the same magnetic poles are arranged adjacent to one another. Each north pole is on the left and each south pole is on the right. The permanent magnets 2 are thus oriented differently compared to the embodiment according to FIG Figures 1 to 3 .
  • Sheaths 3 and layers 4 shown are firmly connected to one another by adhesive connections, that is to say in a materially bonded manner.
  • FIG. 11 shows a plan view of the second embodiment of FIG Figure 4 .
  • the channels 7 and the permanent magnets 2, seen in this top view, have the same elongated shape so that each permanent magnet 2 can be inserted or pushed into a channel 7 of a casing 3 with little play.
  • the shape of the cross section of each casing 3 and the shape of the adjoining outer contour of the permanent magnet 2 inserted therein are therefore the same.
  • the Figure 5 shows that the shapes of the permanent magnets 2 can be freely selected.
  • the sheath has in the case of Figure 5 a circular outer shape. This shape can also be different and, for example, like the permanent magnet 2, can also be elongated.
  • the Figure 6 shows a section parallel to the top view Figure 5 at the level of a layer 4 made of a non-ferromagnetic material.
  • the passage 8 of the layer 4 has the same elongated shape as the channel 7 Figure 5 so that the one in the Figure 5 Permanent magnet 2 shown can also be pushed through the passage 8.
  • FIG. 7 a top view of a third embodiment of a storage device 1 is shown.
  • This embodiment shows permanent magnets 2 which are arranged next to one another and are held by the bearing device 1.
  • the channels 7 are adapted to the shapes of the permanent magnets 2 so that the permanent magnets 2 can be pushed into the channels 7 with little play.
  • the Figure 7 shows that many different forms are possible.
  • the shape of the cross-section of each jacket and the shape of the outer contour adjacent to it of the one inserted therein Permanent magnets are the same. The shapes are such that the permanent magnets 2 can be displaced in a rotationally fixed manner along the channels 7.
  • the Figure 7 shows the case that a casing 3 formed from ferromagnetic material is not spatially separated from another casing 3 formed from ferromagnetic material.
  • permanent magnets 2 can also be analogous to the Figures 1 and 4th be housed in the storage device 1 one above the other.
  • the Figure 8 shows a fourth embodiment of a storage device 1.
  • This storage device 1 illustrates the storage of a total of eight permanent magnets 2, which are arranged side by side and one above the other. Four of the eight permanent magnets 2 are not visible, however, since these are covered by the lower casing 3.
  • the Figure 8 shows the case that four sheaths 3 formed from ferromagnetic material are not spatially separated.
  • the four casings 3 that are not spatially separated are spatially separated from the other four casings 3 formed from ferromagnetic material, specifically by the layer 4.
  • the Figure 9 illustrates a loading of the storage device 1 with permanent magnets 2, which are arranged one above the other.
  • a first permanent magnet 2 has already been pushed into the storage device 1.
  • a tube 9 made of a non-ferromagnetic material is placed on the bearing device 1.
  • the tube 9 is adapted to the cross section of the permanent magnets 2 such that the permanent magnets 2 can be pushed through the tube 9 with little play.
  • a permanent magnet 2 is inserted into the tube 9. With a plunger 10, the permanent magnet 2 inserted into the tube 9 is now moved downward until the in the Figure 10 position shown is reached.
  • the storage device 1 can thus be loaded with permanent magnets 2 which are arranged one above the other.
  • Fastening means can be present to releasably connect the tube 9 to the storage device.
  • the position of the tube 9 relative to the storage device 1 can be fixed by fastening means in order to simplify loading.
  • mechanical fastening means serve as fastening means.
  • the Figure 11 illustrates the loading of a storage device in which permanent magnets 2 can be stored next to one another and one above the other.
  • three permanent magnets 2 can be arranged side by side.
  • Four permanent magnets 2 can be arranged one above the other.
  • the storage device 1 shown in section can therefore store a total of twelve permanent magnets 2.
  • Three first permanent magnets 2 have already been pushed into the storage device 1. These are located in the lowest position in the storage device 1.
  • a system consisting of three tubes 9 is placed on the storage device 1.
  • the tubes are made of a non-ferromagnetic material.
  • Each tube 9 is adapted to the cross section of the permanent magnets 2 in such a way that the permanent magnets 2 can be pushed through each tube 9 with little play.
  • Three permanent magnets 2 are inserted into the three tubes 9. With three tappets 10, the permanent magnets 2 inserted into the tubes 9 are now moved downwards until they are analogous to FIG Figure 10 position shown is reached.
  • the storage device 1 can thus be loaded one after the other with permanent magnets 2, which are arranged both one above the other and next to one another. So that the three tappets 10 can be pressed down together for loading, they are connected to one another by a rod 11, for example.
  • permanent magnets 2 can be pushed down out of the storage device in order to remove it. In a storage device like this in the Figure 11 is shown, this can be done for example with only one plunger 10, as shown in FIG Figure 10 you can see. In this way, permanent magnets 2 can be removed sequentially.
  • the Figure 12 shows in section a cylindrical bearing device 1 which is completely filled with permanent magnets 2.
  • the permanent magnets 2 are mounted side by side and one above the other.
  • the plungers 10 are placed on the upper side on the permanent magnets 2 located there.
  • the tappets 10 are connected to one another by a ring 12.
  • the cylindrical bearing device 1 is placed on a drum 13 in such a way that the permanent magnets 2 can be pushed into chambers 14 of the drum 13.
  • the permanent magnets 2 are pushed completely into the chambers 14 of the drum 13.
  • slides 15 are pushed through slots 16.
  • the slides 15 are arranged in such a way that they prevent permanent magnets 2 from moving out of the drum 13. There are gaps between the slides 15 for the tappets 10.
  • the bearing device 1 is removed together with the plungers 10.
  • the drum 13 filled with the permanent magnets 2 can now be installed in an induction furnace, for example.
  • Fastening means can be provided in order to releasably connect the drum 13 to the storage device in order to avoid disturbances during loading.
  • the Figure 13 shows a plan view of the storage device from FIG Figure 12 .
  • the shape of the cross section of the casing that is to say the cross section of the channels 7, and the shape of the adjoining outer contour of the permanent magnet 2 inserted therein are the same.
  • the permanent magnets 2 are inserted into their channels 7 with little play.
  • a special feature is that, although identically shaped, square section permanent magnets 2 are used.
  • the channels, which are square in section, are twisted to one another along a circular path and thus perform a kind of rotation.
  • a channel 7 is therefore not aligned in the same way as an adjacent channel 7 with regard to its cross section.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Non-Mechanical Conveyors (AREA)
EP20190480.2A 2019-08-19 2020-08-11 Dispositif de stockage pour aimants permanents et procédé de transport Active EP3783628B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102019212339.2A DE102019212339A1 (de) 2019-08-19 2019-08-19 Lagervorrichtung für Permanentmagnete

Publications (2)

Publication Number Publication Date
EP3783628A1 true EP3783628A1 (fr) 2021-02-24
EP3783628B1 EP3783628B1 (fr) 2025-09-17

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EP20190480.2A Active EP3783628B1 (fr) 2019-08-19 2020-08-11 Dispositif de stockage pour aimants permanents et procédé de transport

Country Status (2)

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EP (1) EP3783628B1 (fr)
DE (1) DE102019212339A1 (fr)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10084941T1 (de) * 1999-09-20 2002-08-14 Ecoair Corp Permanentmagnetischer Rotorabschnitt für elektrische Maschinen
JP2003115406A (ja) * 2001-10-03 2003-04-18 Maguna:Kk 磁気遮蔽用スペーサ
JP2004031399A (ja) * 2002-06-21 2004-01-29 Maguna:Kk 永久磁石の磁気漏洩軽減用ホルダ
US20070182517A1 (en) 2001-11-30 2007-08-09 Humphries David E High performance hybrid magnetic structure for biotechnology applications
US20090293238A1 (en) 2008-05-30 2009-12-03 Hana Consulting, Inc. Magnetic coupling device and method
US20100090555A1 (en) * 2008-10-09 2010-04-15 Honda Motor Co., Ltd. Axial gap type motor
CN206032233U (zh) * 2016-08-31 2017-03-22 上海洛克磁业有限公司 一种永磁体磁屏蔽包装箱
WO2017063811A1 (fr) 2015-10-13 2017-04-20 Forschungszentrum Jülich GmbH Four à induction, installation d'extrusion et procédé
KR20180034794A (ko) * 2016-09-28 2018-04-05 주식회사 비엠에스 외전형 브러시 리스 직류 전동기의 압입 시스템
CN207417575U (zh) * 2017-10-17 2018-05-29 成都晨航磁业有限公司 一种用于永磁产品运输的包装盒
WO2018204832A1 (fr) 2017-05-04 2018-11-08 Loop Global Inc. Fabrication de réseaux d'aimants permanents à convergence contrôlée

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10084941T1 (de) * 1999-09-20 2002-08-14 Ecoair Corp Permanentmagnetischer Rotorabschnitt für elektrische Maschinen
JP2003115406A (ja) * 2001-10-03 2003-04-18 Maguna:Kk 磁気遮蔽用スペーサ
US20070182517A1 (en) 2001-11-30 2007-08-09 Humphries David E High performance hybrid magnetic structure for biotechnology applications
JP2004031399A (ja) * 2002-06-21 2004-01-29 Maguna:Kk 永久磁石の磁気漏洩軽減用ホルダ
US20090293238A1 (en) 2008-05-30 2009-12-03 Hana Consulting, Inc. Magnetic coupling device and method
US20100090555A1 (en) * 2008-10-09 2010-04-15 Honda Motor Co., Ltd. Axial gap type motor
WO2017063811A1 (fr) 2015-10-13 2017-04-20 Forschungszentrum Jülich GmbH Four à induction, installation d'extrusion et procédé
CN206032233U (zh) * 2016-08-31 2017-03-22 上海洛克磁业有限公司 一种永磁体磁屏蔽包装箱
KR20180034794A (ko) * 2016-09-28 2018-04-05 주식회사 비엠에스 외전형 브러시 리스 직류 전동기의 압입 시스템
WO2018204832A1 (fr) 2017-05-04 2018-11-08 Loop Global Inc. Fabrication de réseaux d'aimants permanents à convergence contrôlée
CN207417575U (zh) * 2017-10-17 2018-05-29 成都晨航磁业有限公司 一种用于永磁产品运输的包装盒

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Publication number Publication date
EP3783628B1 (fr) 2025-09-17
DE102019212339A1 (de) 2021-02-25

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