CN201503743U - Permanent magnet rotating high-efficiency demagnetizer - Google Patents
Permanent magnet rotating high-efficiency demagnetizer Download PDFInfo
- Publication number
- CN201503743U CN201503743U CN2009200929328U CN200920092932U CN201503743U CN 201503743 U CN201503743 U CN 201503743U CN 2009200929328 U CN2009200929328 U CN 2009200929328U CN 200920092932 U CN200920092932 U CN 200920092932U CN 201503743 U CN201503743 U CN 201503743U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- magnetic
- demagnetizer
- roll shaft
- field intensity
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model provides a permanent magnet rotating high-efficiency demagnetizer, relating to equipment for carrying out demagnetization in the processing of various metal materials; a magnetic roller is formed by permanent magnets (2, 3) which are arranged in an arrayed manner, and a magnetic roller shaft (1) or shaft ends (10, 13); the two shaft ends (10, 13) are respectively provided with bearings (8, 9), and one shaft end is provided with a belt wheel (7); a space in a sleeve (6) is filled with light materials (17, 18); and after the permanent magnets (2, 3) are installed completely, the integrally-formed magnetic field strength forms a smooth straight line (23), therefore, a stable and uniform demagnetizing field can be obtained. The permanent magnet rotating high-efficiency demagnetizer can improve the demagnetizing effect by 15 percent, saves power consumption by more than 90 percent compared with the traditional demagnetizer, and is especially applicable to demagnetizing techniques of products such as various bearings, measuring implements, cutting tools, oil pump chokes and the like in the procedures of processing and manufacturing.
Description
Technical field
The utility model relates to the equipment that in a kind of metal material processing technology workpiece, semi-finished product, finished product is moved back (disappearing) magnetic.This equipment can replace traditional logical coil of going up alternating current and produce the equipment of alternating magnetic field in order to demagnetization.The utility model passes through permanent magnet, make revolvable magnetic roller or disk, after making its rotation, the space of left magnetic roller or disk periphery produces alternating magnetic field, and the intensity of this alternating magnetic field and frequency, can be by magnetic property and control permanent magnet magnetic roller or the disk rotary speed of selecting permanent magnet, can change according to the demagnetize needs of technology of reality.
Background technology
In the metal material processing field, especially in the ferrimagnet course of processing, because the interference of magnetic suction disc or other electromagnetic equipments, and cause work piece (semifinished or finished goods) to produce remanent magnetism, this remanent magnetism makes product defective, therefore the carrying out that makes half-finished workpiece can't descend one technology must move back (disappearing) magnetic to the workpiece that remanent magnetism is arranged (semifinished or finished goods).
Domestic and international existing demagnetizer, the overwhelming majority uses big coil, and the alternating electromagnetic field that the alternating current excitation of logical big electric current produces moves back (disappearing) magnetic with this alternating electromagnetic field.The mode of this moving back (disappearing) magnetic must satisfy a condition, and the workpiece (semifinished or finished goods) that is moved back (disappearing) magnetic exactly and alternating magnetic field keep one to level off to the attenuation rate of 0 value gradually, otherwise move back (disappearing) magnetic effect extreme difference.This levels off to the attenuation rate of 0 value gradually, extremely difficult again realization.To move back (disappearing) magnetic effect bad so cause.The device of this large-scale hot-wire coil simultaneously, sheerly in the electric equipment of inductive load, this equipment is used in the serious balance of disturbing electrical network on the electrical network, and power consumption is very big, and is little tens kilowatts, big up to a hundred kilowatts.
The nineties, it is that purpose research permanent magnetism moves back (disappearing) magnetic device with the conservation of power that China begins to have the people." the noninductive demagnetizer of rotary permanent-magnet " of the Guan Pinsan of Jilin University invention for example.China Patent No.: ZL87107714.0, disclosed.The utility model is exactly on the basis of this patent of invention, and to core component, permanent magnet rotation magnetic roller has carried out creationary improvement.
The utility model content
The purpose of the utility model permanent magnet rotary high-efficient demagnetizer: be exactly on the basis of ZL87107714.0 patent of invention, to core component, permanent magnet rotation magnetic roller has carried out creationary improvement, demagnetization effectiveness, reduce power consumption 90 percent in the time of 15 percentage points of stable raisings again.
The purpose of this utility model is to be realized by following permanent magnet rotary high-efficient demagnetizer, i.e. the magnetic circuit of permanent magnet rotation magnetic roller is to form by the ad hoc fashion of new design optimization.Specifically, be exactly on the magnetic roller permanent magnet along the Surface field intensity of permanent magnet magnetic roll shaft on each relevant position point of direction, its shape of the curve that is constituted be in the middle of the outward direction projection, the inward at both ends direction forms the curve of an arc on the lower side.After permanent magnet all installs, the curve that its whole synthetic magnetic field intensity constitutes, be a level and smooth straight line basically.After rotating, the permanent magnet magnetic roller produced uniform and stable alternation demagnetizing field like this in its peripheral space.The intensity of this alternation demagnetizing field can be controlled by the Surface field intensity of adjusting permanent magnet, and the frequency of its alternation demagnetizing field also can adapt to the demand of the technology of demagnetizing by the rotating speed that changes permanent magnet rotation magnetic roller and adjust.The installation direction of permanent magnet pole is identical with CN87107714.0.
The magnetic roll structure of permanent magnet rotary high-efficient demagnetizer is as described below: at first the magnetic field intensity of the permanent magnet on the magnetic roller with its surperficial magnetic pole, arrange installation by curve 22 arrays shown in Figure 1, the pole surface magnetic field intensity is by shown in the curve 23 of Fig. 2 after installing and locating, refer again to shown in Figure 3, the outside of left magnetic roller cover is loaded onto a thin wall casing 6 made from non-magnet material, and left magnetic roller puts the permanent magnet magnetic roller is friction tight on the direction longitudinally.And its complementary space in sleeve pipe 6 is with the light material 17 and 18 of non-magnetic, fills up substantially with reference to Fig. 4, and when guaranteeing permanent magnet magnetic roller high speed rotating, permanent magnet can loose shift.
Magnetic Circuit Design and overall structure that permanent magnet array on the permanent magnet rotary high-efficient demagnetizer magnetic roller is arranged by above-mentioned technology manufacturing and installation, just can fully realize the purpose of this utility model.
Concrete have three kinds of technical schemes, as described below.
A kind of permanent magnet rotary high-efficient demagnetizer, structure are included on the magnetic roll shaft 1 opposite and two row's permanent magnets 2,3 are installed constitute the magnetic rollers, and two axle heads 10,13 of magnetic roll shaft 1 are equipped with bearing 8,9 respectively, and an axle head of magnetic roll shaft 1 is equipped with belt pulley 7; It is characterized in that the outside of left magnetic roller cover is loaded onto a thin wall casing 6 made from non-magnet material, left magnetic roller longitudinally on the direction with permanent magnet 2,3 and magnetic roll shaft 1 friction tight putting; And the light material 17,18 that enriches non-magnetic is filled up in the space in sleeve pipe 6; Described permanent magnet 2,3, along the Surface field intensity of magnetic roll shaft to direction, outward direction projection inward at both ends direction arc curve 22 on the lower side in the middle of constituting, after permanent magnet 2,3 all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line 23.
A kind of permanent magnet rotary high-efficient demagnetizer, structure comprises the magnetic roller, it is characterized in that, described magnetic roller, the permanent magnet of being arranged by array 2, load onto a thin wall casing 6 made from non-magnet material and the axle head 10,13 that is contained in sleeve pipe 6 two ends constitutes at the friction tight cover in permanent magnet 2 outsides, sleeve pipe 6 and axle head 10,13 are concentric; Two axle heads 10,13 are equipped with 8,9, one axle heads of bearing respectively belt pulley 7 are housed; The light material 17,18 that enriches non-magnetic is filled up in space in sleeve pipe 6; Described permanent magnet 2, along the Surface field intensity of magnetic roll shaft to direction, outward direction projection inward at both ends direction arc curve 22 on the lower side in the middle of constituting, after permanent magnet 2 all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line 23.
A kind of permanent magnet rotary high-efficient demagnetizer, structure comprises the magnetic roller, it is characterized in that, described magnetic roller is installed in the end axle 10 that is equipped with on the disk made from ferrimagnet 15, in disk 15 central vertical by the arrangement of strip-shaped permanent-magnet body 2 arrays by radiation law and constitutes; Be coaxially installed with bearing 8 and belt pulley 7 at end axle 10; The circular cover plate 16 that the non-magnetic material identical with disk 15 diameters made is housed on permanent magnet 2, the light material 17,18 that enriches non-magnetic is filled up in space between disk 15 and cover clamp 16, the ring shape collar of making at the peripheral tight fit suit non-magnetic material of disk 15 and cover clamp 16 14; Described strip-shaped permanent-magnet body 2 arrays are arranged, outward direction projection inward at both ends direction arc curve 22 on the lower side in the middle of its Surface field intensity constitutes, and after permanent magnet 2 all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line 23.
The utility model move back on (disappearing) magnetic effect can be stable than legacy equipment 15 percentage points of raisings, reaching under the preceding topic of same effect, maximum power consumption also is no more than 1 kilowatt, than traditional hot-wire coil formula demagnetizer conservation of power more than 90 percent.
Description of drawings
Fig. 1 is the permanent magnet on the utility model permanent magnet rotary high-efficient demagnetizer magnetic roller, during installation along the array alignment curve schematic diagram of magnetic roll shaft to pole surface field magnetic field intensity
Fig. 2 is after the permanent magnet on the utility model magnetic roller installs, the synthetic back of permanent magnet surfaces magnetic field intensity curve synoptic diagram.
Fig. 3 is the permanent magnet magnetic roll structure principle schematic of permanent magnet rotary high-efficient demagnetizer.
Fig. 4 is the end view of the utility model Fig. 3.
Fig. 5 is the another kind of structural principle schematic diagram of permanent magnet rotation magnetic roll shaft of the utility model permanent magnet rotary high-efficient demagnetizer.
Fig. 6 is the end view of the utility model Fig. 5.
Fig. 7 is another structural representation of the utility model permanent magnet rotary high-efficient demagnetizer permanent magnet rotation magnetic roll shaft.
Fig. 8 is the side diagrammatic sketch of the utility model Fig. 7.
Embodiment
Example 1 is equipped with bearing 8 and 9 with reference to Fig. 3 left magnetic roller axle 1 two ends, wherein an end is equipped with belt pulley 7, left magnetic roller vertically, on two symmetrical planes, install permanent magnet 2 and 3 respectively, Fig. 4 is the cross sectional representation of Fig. 3,1 is the magnetic roll shaft among the figure, 2 and 3 are mounted in the permanent magnet on two planes of symmetry of magnetic roll shaft, the 6th, a circular sleeve of making by the non-magnetic material that puts in a longitudinal direction outside magnetic roll shaft 1 and permanent magnet 2 and 3, the size of this circular sleeve internal diameter is wanted corresponding and is realized tight fit with magnetic roll shaft and the permanent magnet on the axle.In the sleeve pipe 6, remove magnetic roll shaft 1, the space outside the permanent magnet 2,3 is full of with the non-magnetic light material 17 and 18 of corrosion resistant entirely tamps.
The technical scheme of present embodiment is specifically described as follows: a kind of permanent magnet rotary high-efficient demagnetizer, structure is included on the magnetic roll shaft 1 opposite and two row's permanent magnets 2,3 are installed constitute the magnetic rollers, two axle heads 10,13 of magnetic roll shaft 1 are equipped with bearing 8,9 respectively, and an axle head of magnetic roll shaft 1 is equipped with belt pulley 7; It is characterized in that the outside of left magnetic roller cover is loaded onto a thin wall casing 6 made from non-magnet material, left magnetic roller longitudinally on the direction with permanent magnet 2,3 and magnetic roll shaft 1 friction tight putting; And the light material 17,18 that enriches non-magnetic is filled up in the space in sleeve pipe 6; Described permanent magnet 2,3, along the Surface field intensity of magnetic roll shaft to direction, outward direction projection inward at both ends direction arc curve 22 on the lower side in the middle of constituting, after permanent magnet 2,3 all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line 23.
The permanent magnet magnetic roll shaft of permanent magnet rotary high-efficient demagnetizer, several modes can be arranged, present embodiment is with reference to Fig. 5, permanent magnet 2 among Fig. 5 is pressed the rule array of the curve 22 of Fig. 1 and is arranged, install shown in the curve 23 that back pole surface magnetic field intensity presses Fig. 2, and be installed in the suitable circular casing of internal diameter 6, this sleeve pipe 6 is to make with the non-magnetic material, and circular sleeve 6 will be realized and permanent magnet 2 tight fits, spaces in the while circular sleeve 6 except that permanent magnet 2, full non-magnetic light material 17 and 18 with corrosion resistant is full of and tamps, two axle heads 13 of magnetic roll shaft 1 and 10 will guarantee with magnetic roll shaft 1 concentric, and want the firm two end cap 11 that is installed in circular casing 6, on 12.And the concentricity that these two axle heads 13,10 are good with the axial maintenance of permanent magnetism roll shaft respectively.Fig. 6 is the end view that belt pulley 7 one ends are arranged among Fig. 5.
The technical scheme of another kind of structure is specifically described as follows: a kind of permanent magnet rotary high-efficient demagnetizer, structure comprises the magnetic roller, it is characterized in that, described magnetic roller, the permanent magnet of being arranged by array 2, load onto a thin wall casing 6 made from non-magnet material and the axle head 10,13 that is contained in sleeve pipe 6 two ends constitutes at the friction tight cover in permanent magnet 2 outsides, sleeve pipe 6 and axle head 10,13 are concentric; Two axle heads 10,13 are equipped with 8,9, one axle heads of bearing respectively belt pulley 7 are housed; The light material 17,18 that enriches non-magnetic is filled up in space in sleeve pipe 6; Described permanent magnet 2, along the Surface field intensity of magnetic roll shaft to direction, outward direction projection inward at both ends direction arc curve 22 on the lower side in the middle of constituting, after permanent magnet 2 all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line 23.
Another example of the present utility model is with reference to Fig. 7 and Fig. 8, it is revolving exactly the permanent magnet magnetic roller of permanent magnet rotary high-efficient demagnetizer to be modified into the disk permanent magnet, it is by even number strip permanent magnet 2, be installed on the disk 15 by radiation law, the array of the pole surface magnetic field intensity on the strip-shaped permanent-magnet body 2 is arranged should be according to the curve 22 of Fig. 1 by dress, installs shown in the curve 23 that back pole surface magnetic field intensity presses Fig. 2.With reference to Fig. 7 and Fig. 8,2 among Fig. 7 is permanent magnets, and 17 and 18 is spacing light materials that non-magnetic conductive material is made, the 10th, and the end axle, the 14th, with the ring shape collar that the non-magnetic material is made, Fig. 8 is the end view of Fig. 7.Among Fig. 8 15 is disks made from ferrimagnet; the 2nd, permanent magnet; 17 and 18 is for preventing that permanent magnet displacement from playing the filler that the non-magnet material of positioning action is made, the 16th, and with the circular cover plate that the non-magnetic material is made, be used for protecting permanent magnet 2 can not be shifted.The 14th, tight fit is enclosed within the round collar (referring to Fig. 7) of disk cylindrical, and this is that permanent magnet 2 on the disk 15 of protection high speed rotating is not thrown out by centrifugal force.In disk bottom, promptly in the center of the other one side that permanent magnet 2 is housed, end axle 10 is housed, bearing 8 and belt pulley 7 are housed on this end axle 10.
The technical scheme of another structure is specifically described as follows: a kind of permanent magnet rotary high-efficient demagnetizer, structure comprises the magnetic roller, it is characterized in that, described magnetic roller is installed in the end axle 10 that is equipped with on the disk made from ferrimagnet 15, in disk 15 central vertical by the arrangement of strip-shaped permanent-magnet body 2 arrays by radiation law and constitutes; Be coaxially installed with bearing 8 and belt pulley 7 at end axle 10; The circular cover plate 16 that the non-magnetic material identical with disk 15 diameters made is housed on permanent magnet 2, the light material 17,18 that enriches non-magnetic is filled up in space between disk 15 and cover clamp 16, the ring shape collar of making at the peripheral tight fit suit non-magnetic material of disk 15 and cover clamp 16 14; Described strip-shaped permanent-magnet body 2 arrays are arranged, outward direction projection inward at both ends direction arc curve 22 on the lower side in the middle of its Surface field intensity constitutes, and after permanent magnet 2 all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line 23.
Embodiment 4, sees figures.1.and.2, and 21 permanent magnet 2 and 3 ragged edge Surface fields pointwise positions vertically vertically on the magnetic roll shaft shown in Fig. 1 and Fig. 2 by dress, permanent magnet 2 shown in 19 and 20 and two magnetic poles of 3 are the sign value of the N utmost point and S utmost point Surface field intensity. Permanent magnet 2 and 3 shown in the curve 22 among Fig. 1 when mounted vertically the each point Surface field intensity rule that should meet this curve carry out array and arrange.After permanent magnet 2 and 3 was finished by dress shown in the curve 23 among Fig. 2, the curve after its Surface field intensity is synthetic was more straight.The permanent magnet rotation magnetic roller of the efficient demagnetizer of rotating permanent magnet or the permanent magnet 23 on the permanent magnet spinning disk, they at permanent magnet magnetic circuit design and permanent magnet 2 and 3 by dress the time, wherein the array of the Surface field intensity of each point on the permanent magnet 2 and 3 is arranged, must abide by the rule shown in the curve 22 shown in Figure 1, carry out arrayed by dress.While also must meet the rule shown in the curve 23 shown in Figure 2 in the resultant magnetic field of its pole surface magnetic field intensity of combination permanent magnet that installation is over later.
Claims (3)
1. permanent magnet rotary high-efficient demagnetizer, structure is included in magnetic roll shaft (1) and upward two row's permanent magnets (2,3) formation magnetic rollers is installed the opposite, two axle heads (10,13) of magnetic roll shaft (1) are equipped with bearing (8,9) respectively, and an axle head of magnetic roll shaft (1) is equipped with belt pulley (7); It is characterized in that the outside of left magnetic roller cover is loaded onto a thin wall casing made from non-magnet material (6), left magnetic roller longitudinally on the direction with permanent magnet (2,3) and friction tight the putting of magnetic roll shaft (1); And the light material (17,18) that enriches non-magnetic is filled up in the space in sleeve pipe (6); Described permanent magnet (2,3), along the Surface field intensity of magnetic roll shaft to direction, outward direction projection inward at both ends direction arc curve (22) on the lower side in the middle of constituting, after permanent magnet (2,3) all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line (23).
2. permanent magnet rotary high-efficient demagnetizer, structure comprises the magnetic roller, it is characterized in that, described magnetic roller, the permanent magnet of being arranged by array (2), the axle head (10,13) of loading onto a thin wall casing made from non-magnet material (6) and being contained in sleeve pipe (6) two ends at the friction tight cover in permanent magnet (2) outside constitute, and sleeve pipe (6) and axle head (10,13) are with one heart; Two axle heads (10,13) are equipped with bearing (8,9) respectively, and an axle head is equipped with belt pulley (7); The light material (17,18) that enriches non-magnetic is filled up in space in sleeve pipe (6); Described permanent magnet (2), along the Surface field intensity of magnetic roll shaft to direction, outward direction projection inward at both ends direction arc curve (22) on the lower side in the middle of constituting, after permanent magnet (2) all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line (23).
3. permanent magnet rotary high-efficient demagnetizer, structure comprises the magnetic roller, it is characterized in that described magnetic roller is installed in the disk made from ferrimagnet (15) end axle (10) last, that be equipped with in disk (15) central vertical by the arrangement of strip-shaped permanent-magnet body (2) array by radiation law and constitutes; Be coaxially installed with bearing (8) and belt pulley (7) at end axle (10); The circular cover plate (16) that the non-magnetic material identical with disk (15) diameter made is housed on permanent magnet (2), the light material (17,18) that enriches non-magnetic is filled up in space between disk (15) and cover clamp (16), the ring shape collar of making at the peripheral tight fit suit non-magnetic material of disk (15) and cover clamp (16) (14); Described strip-shaped permanent-magnet body (2) array is arranged, outward direction projection inward at both ends direction arc curve (22) on the lower side in the middle of its Surface field intensity constitutes, after permanent magnet (2) all installed, its whole synthetic magnetic field intensity constituted a level and smooth straight line (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200929328U CN201503743U (en) | 2009-01-22 | 2009-01-22 | Permanent magnet rotating high-efficiency demagnetizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200929328U CN201503743U (en) | 2009-01-22 | 2009-01-22 | Permanent magnet rotating high-efficiency demagnetizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201503743U true CN201503743U (en) | 2010-06-09 |
Family
ID=42454672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200929328U Expired - Fee Related CN201503743U (en) | 2009-01-22 | 2009-01-22 | Permanent magnet rotating high-efficiency demagnetizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201503743U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956340A (en) * | 2011-08-31 | 2013-03-06 | 宝山钢铁股份有限公司 | Demagnetizing method and device for steel wire lining conveyer belt by double magnetic rollers |
| CN106935391A (en) * | 2015-12-30 | 2017-07-07 | 上海三环磁性材料有限公司 | A kind of radial oriented mould of anisotropic bonded magnet |
| WO2019056514A1 (en) * | 2017-09-22 | 2019-03-28 | 上海杰灵磁性器材有限公司 | Permanent magnet structure-based pipeline demagnetization device and application thereof |
| CN112562964A (en) * | 2020-11-10 | 2021-03-26 | 沈阳航空航天大学 | Lithium battery cathode material demagnetizer |
-
2009
- 2009-01-22 CN CN2009200929328U patent/CN201503743U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102956340A (en) * | 2011-08-31 | 2013-03-06 | 宝山钢铁股份有限公司 | Demagnetizing method and device for steel wire lining conveyer belt by double magnetic rollers |
| CN102956340B (en) * | 2011-08-31 | 2015-06-17 | 宝山钢铁股份有限公司 | Demagnetizing method and device for steel wire lining conveyer belt by double magnetic rollers |
| CN106935391A (en) * | 2015-12-30 | 2017-07-07 | 上海三环磁性材料有限公司 | A kind of radial oriented mould of anisotropic bonded magnet |
| WO2019056514A1 (en) * | 2017-09-22 | 2019-03-28 | 上海杰灵磁性器材有限公司 | Permanent magnet structure-based pipeline demagnetization device and application thereof |
| US11626230B2 (en) | 2017-09-22 | 2023-04-11 | Shanghai Jieling Magnetic Material & Devices Co., Ltd. | Permanent magnet structure-based pipeline demagnetization device and application thereof |
| CN112562964A (en) * | 2020-11-10 | 2021-03-26 | 沈阳航空航天大学 | Lithium battery cathode material demagnetizer |
| CN112562964B (en) * | 2020-11-10 | 2022-04-19 | 沈阳航空航天大学 | Lithium battery cathode material demagnetizer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102155492B (en) | Mixed type driving and driven magnetic suspension bearing | |
| CN201503743U (en) | Permanent magnet rotating high-efficiency demagnetizer | |
| CN105673688B (en) | A kind of self-regulated integer five degree of freedom magnetic bearing | |
| CN105864292A (en) | Permanent magnet polarization three-degree-of-freedom magnetic bearing | |
| CN103929041B (en) | A kind of magnetic suspension permanent magnet linear motor | |
| CN104883018A (en) | Axial-radial hybrid flux permanent magnet machine | |
| CN102308460A (en) | Electric machine | |
| CN101893038A (en) | Permanent magnet biased axial magnetic bearing | |
| CN204721186U (en) | A kind of axial and radial mixing behavior magnetic flow permanent magnet motor | |
| CN104141685A (en) | Driving and driven inner rotor magnetic bearing | |
| CN207968106U (en) | Rotor and magneto | |
| CN105840654A (en) | Permanent magnet bias single-degree-of-freedom axial magnetic bearing | |
| CN205663759U (en) | Permanent magnetism biasing single degree of freedom axial magnetic bearing | |
| CN103078464A (en) | Built-in permanent magnet synchronous motor | |
| CN103195806A (en) | Magnetic suspension bearing stator, magnetic suspension bearing, stator core making tool and stator core making method | |
| CN202579653U (en) | Magnetic suspension bearing stator, magnetic suspension bearing and stator core manufacturing tool | |
| CN101975224B (en) | Magnetic suspension bearing of hybrid magnetic circuit | |
| CN116771591A (en) | Three-layer vertical axis double-channel wind driven generator | |
| CN106787302A (en) | A kind of bearing-free permanent magnet thin-sheet motor | |
| CN205663758U (en) | Three degree of freedom magnetic bearings of permanent magnetism biasing | |
| CN202190203U (en) | Multi-group electromagnet speed regulating system | |
| CN101608670A (en) | A kind of vertical coil uniform radial pole and low-loss outer rotor hybrid magnetic bearing | |
| CN106059142B (en) | A kind of rotor structure of internal permanent magnet synchronous motor | |
| CN105305747B (en) | A kind of Novel constant force perseverance torque uniform magnetic field senses servo motor | |
| CN202978655U (en) | Built-in permanent-magnet synchronous motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Yan Li Document name: Notification to Make Rectification |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Yan Li Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Yan Li Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Yan Li Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20120122 |