CN201818659U - High-temperature superconduction magnetic suspension radial bearing - Google Patents
High-temperature superconduction magnetic suspension radial bearing Download PDFInfo
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- CN201818659U CN201818659U CN2010205478021U CN201020547802U CN201818659U CN 201818659 U CN201818659 U CN 201818659U CN 2010205478021 U CN2010205478021 U CN 2010205478021U CN 201020547802 U CN201020547802 U CN 201020547802U CN 201818659 U CN201818659 U CN 201818659U
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Abstract
The utility model discloses a high-temperature superconduction magnetic suspension radial bearing, which is characterized in that a high-temperature superconductor (31) is fixed onto the periphery surface of a rotor (3), a shaft sleeve (32) is wrapped outside the high-temperature superconductor (31), a stator (4) surrounds the outside of the shaft sleeve (32) and consists of an axially magnetized permanent magnet (41) and a magnetism gathering ring (42) which are spaced, the stator (4) is fixed onto a bottom plate of a low-temperature container (1), and liquid nitrogen (2) is filled in the low-temperature container (1). The bearing is high in rigidity, fine in stability, simple in structure and high in bearing capability.
Description
Technical field
The utility model relates to bearing, relates in particular to the high-temperature superconducting magnetic levitation radial bearing.
Background technique
Bearing is supporting axis rotation and keeps its correct position, bearing journal, gudgeon, pivot, minor axis or miscellaneous part, and the machine part that makes axle etc. rotate therein, swing.It mainly acts on is exactly the friction that alleviates between the mechanical parts of two relative movement.Bearing is the basic Primary Component in the engineering goods, has determined the performance of final machinery to a great extent, and development does not have the performance that the friction high-speed bearing can increase substantially existing machinery equipment.
In order farthest to reduce friction, magnetic suspension bearing becomes a kind of desirable selection.The structure of the electromagnetic suspension bearing of extensive use at present is many field structures, comprise rotor, be looped around the outer a plurality of symmetrical distributions of rotor the magnets of stator iron core, be wound on the coil on the pole core, magnets of stator iron core and coil constitute electromagnet when energising, and are enclosed in the outer pedestal that is used for fixing magnetic core of pole core.The direction of the electromagnetic field that stator produced, the electromagnetic force that is produced can make rotor be in and the contactless complete state of suspension of stator.Generally by the end of the same name that coil is set magnetic pole is arranged by NSSN or NSNS mode, each direction is carried out Differential Control by a pair of electromagnet to rotor; The control circuit that electromagnetic bearing adds, accept the axle deviation signal of the rotor of sensor, this signal is sent into control circuit, the electric current of controlling in each electromagnet changes, make the respective change of the suffered electromagnetic force of rotor, compensating for the rotor rotation deviation, thereby be suspended in the position of regulation with making rotor stability.Because it is the gap between rotor and the stator is very little, in 0.01～1mm scope, therefore very high usually to the control accuracy and the dynamic response requirement of rotor.The complex structure of whole electromagnetic bearing, poor reliability.
Summary of the invention
The purpose of this utility model provides a kind of high-temperature superconducting magnetic levitation radial bearing, this bearing rigidity height, good stability, simple in structure, bearing capacity is big.
The utility model is realized its goal of the invention, and the first kind of technological scheme that is adopted is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is: be fixed with high temperature superconductor on the outer circumferential face of rotor, high temperature superconductor is wrapped with axle sleeve; Axle sleeve is outer around stator, and described stator constitutes by the permanent magnet of axial magnetized is alternate with magnetism gathering rings; And stator is fixed on the base plate of low-temperature (low temperature) vessel, is full of liquid nitrogen in the low-temperature (low temperature) vessel.
The utility model is realized its goal of the invention, and the second kind of technological scheme that is adopted is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is: be fixed with high temperature superconductor on the outer circumferential face of rotor, high temperature superconductor is wrapped with axle sleeve; Axle sleeve is surrounded with stator outward; Described stator constitutes by the permanent magnet of axial magnetized is alternate with magnetism gathering rings; And stator is fixed on the base plate of low-temperature (low temperature) vessel, and the inner chamber of sealing is arranged in the rotor body, filled with liquid nitrogen in the inner chamber.
The utility model is realized its goal of the invention, and the third technological scheme that is adopted is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is: be fixed with high temperature superconductor on the outer circumferential face of rotor, high temperature superconductor is wrapped with axle sleeve; Axle sleeve is outer around stator, and described stator constitutes by the permanent magnet of axial magnetized is alternate with magnetism gathering rings; And stator is fixed on the base plate of low-temperature (low temperature) vessel, the bottom filled with liquid nitrogen of low-temperature (low temperature) vessel; The upper and lower of described rotor is formed with the high material of pyroconductivity by pyroconductivity is low respectively, and the rotor bottom is stretched in the liquid nitrogen.
More than three kinds of common working procedure and principles of technological scheme be: rotating shaft and spin axis centering, axial translation centering again, and it is fixed is in original state.Liquid nitrogen vessel work then is in below the superconduction critical temperature high temperature superconductor wherein, enters superconducting state.Produce pinning effect between high temperature superconductor and permanent magnet rotor this moment, makes rotor stability ground be in original state.After releasing was fixing, rotor continued to keep this state, promptly is suspended in the space of stator interior.When rotating shaft with after external impetus is connected, can realize and stator between contactless and do not have a high speed rotating of skew.
More than the difference of three kinds of technological schemes are position differences that the liquid nitrogen of three kinds of modes is deposited.
In first kind of technological scheme, liquid nitrogen has been full of in the whole low-temperature (low temperature) vessel, and the cooling effect of this scheme is good, but the consumption of liquid nitrogen is many; In second kind of scheme, in the seal chamber of liquid nitrogen in rotor, the consumption of the liquid nitrogen of this scheme is few, and refrigeration speed is slow, needs to begin to speak in rotor; The third liquid nitrogen by forming rotor by the material of different pyroconductivities, is realized transmission of heat and heat preservation effect in the bottom of low-temperature (low temperature) vessel, and this scheme liquid nitrogen consumption is also few, and refrigeration speed is also slower.
Compared with prior art, the beneficial effect of the above three kinds of technological schemes of the utility model is:
One, the rotor of the stator of high temperature superconductor bulk formation and permanent magnet and magnetism gathering rings formation forms radial bearing.The pinning effect in the magnetic field by high-temperature superconductive stator and rotor can make permanent magnet rotor stably suspend under the condition of no any extraneous control.Because the flux pinning effect of high-temperature superconducting block is strong, so the suspension stability of rotor is good, vertical and radial rigidity big, can reach several thousand Newton/millimeter.Thereby can make bearing rotating speed height of the present utility model, bearing capacity is strong.
Two, total is made of high temperature superconductor bulk stator, permanent magnet rotor and liquid nitrogen vessel, does not have complicated rotor displacement TT﹠C system, and total is simple, compact, and volume is little, good reliability.
Three, the utility model can be easily by adjusting stator and the axial length of rotor and the consumption of permanent magnet and superconduction block material, improve or reduce the bearing capacity of bearing, make of the present utility model applied widely, applicable to various occasions.
The utility model is realized its goal of the invention, and the 4th kind of technological scheme that is adopted is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is: the inner chamber of the oriented under shed of rotor is fixed with high temperature superconductor on the internal chamber wall; Be sheathed with permanent magnet and the alternate stator that constitutes of magnetism gathering rings in the inner chamber of rotor by axial magnetized; The bottom of stator is fixed on the base plate of low-temperature (low temperature) vessel, is full of liquid nitrogen in the low-temperature (low temperature) vessel.
The utility model is realized its goal of the invention, and the 5th kind of technological scheme that is adopted is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is: the inner peripheral surface of rotor is fixed with high temperature superconductor; Be sheathed with permanent magnet and the alternate stator that constitutes of magnetism gathering rings in the rotor internal cavity by axial magnetized; The bottom of stator is fixed on the base plate of low-temperature (low temperature) vessel; Simultaneously, the sidewall of rotor is a sandwich structure, filled with liquid nitrogen in the interlayer chamber.
The utility model is realized its goal of the invention, and the 6th kind of technological scheme that is adopted is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is: the inner chamber of the oriented under shed of rotor is fixed with high temperature superconductor on the internal chamber wall; Be sheathed with permanent magnet and the alternate stator that constitutes of magnetism gathering rings in the inner chamber of rotor by axial magnetized; The bottom of stator is fixed on the base plate of low-temperature (low temperature) vessel; The bottom filled with liquid nitrogen of low-temperature (low temperature) vessel, the upper and lower of rotor are formed with the high material of pyroconductivity by pyroconductivity is low respectively, and the rotor bottom is stretched in the liquid nitrogen.
Fourth, fifth, common working procedure and the principle of six these three kinds of technological schemes is: in the middle of the stator that permanent magnet and poly-magnetic pole constitute was fixed on, the high temperature superconductor rotor was externally around stator.During use, rotating shaft and spin axis centering, axial translation centering again, and it is fixed, make it be in the initial fixation state.Liquid nitrogen vessel work then is in below the superconduction critical temperature high temperature superconductor wherein, enters superconducting state.Produce pinning effect between high temperature superconductor and permanent magnet rotor this moment, makes rotor stability ground be in the initial fixation state.After releasing was fixing, rotor continued to keep this state, promptly is suspended in the space of stator interior.When rotating shaft with after external impetus is connected, can realize and stator between contactless and do not have a high speed rotating of skew.
More than the difference of three kinds of technological schemes are position differences that the liquid nitrogen of three kinds of modes is deposited.
In the 4th kind of technological scheme, liquid nitrogen has been full of in the whole low-temperature (low temperature) vessel, and the cooling effect of this scheme is good, but the consumption of liquid nitrogen is many; In the 5th kind of scheme, in the seal chamber of liquid nitrogen in rotor, the consumption of the liquid nitrogen of this scheme is few, and refrigeration speed is slow, needs to begin to speak in rotor; The 6th kind of liquid nitrogen by forming rotor by the material of different pyroconductivities, realized transmission of heat and heat preservation effect in the bottom of low-temperature (low temperature) vessel, and this scheme liquid nitrogen consumption is also few, and refrigeration speed is also slower.
Compared with prior art, the beneficial effect of the utility model four, five, six these three kinds of technological schemes is:
One, the rotor of the stator of permanent magnet and magnetism gathering rings formation and high temperature superconductor bulk formation forms radial bearing.The pinning effect in the magnetic field by high-temperature superconductive stator and rotor can make permanent magnet rotor stably suspend under the condition of no any extraneous control.Because the flux pinning effect of high-temperature superconducting block is strong, so the suspension stability of rotor is good, vertical and radial rigidity big, can reach several thousand Newton/millimeter.Thereby can make bearing rotating speed height of the present utility model, bearing capacity is strong.
Two, total is made of high temperature superconductor bulk stator, permanent magnet rotor and liquid nitrogen vessel, does not have complicated rotor displacement TT﹠C system, and total is simple, compact, and volume is little, good reliability.
Three, the utility model can be easily by adjusting stator and the axial length of rotor and the consumption of permanent magnet and superconduction block material, improve or reduce the bearing capacity of bearing, make of the present utility model applied widely, applicable to various occasions.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Fig. 1 is the utility model embodiment one a sectional structure schematic representation.
Fig. 2 is the utility model embodiment two a sectional structure schematic representation.
Fig. 3 is the utility model embodiment three a sectional structure schematic representation.
Fig. 4 is the utility model embodiment four a sectional structure schematic representation.
Fig. 5 is the utility model embodiment five a sectional structure schematic representation.
Fig. 6 is the utility model embodiment six a sectional structure schematic representation.
Embodiment
Embodiment one
Fig. 1 illustrates, and a kind of embodiment of the present utility model is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is:
Be fixed with high temperature superconductor 31 on the outer circumferential face of rotor 3, high temperature superconductor 31 is wrapped with axle sleeve 32; Axle sleeve 32 is outer around stator 4, and described stator 4 constitutes by the permanent magnet 41 of axial magnetized and magnetism gathering rings 42 are alternate; And stator 4 is fixed on the base plate of low-temperature (low temperature) vessel 2, is full of liquid nitrogen 2 in the low-temperature (low temperature) vessel 1.
During enforcement, permanent magnet 41 and magnetism gathering rings 42 constitute specifically constituting of rotor 4: formed by the alternate successively axial overlap with magnetism gathering rings 42 of the identical circular permanent magnet 41 of two-layer at least shape; The direction of magnetization of adjacent two layers permanent magnet 41 is opposite; Every layer of permanent magnet 41 arranged by the identical permanent magnet of the polylith direction of magnetization more than one or and formed.
Fig. 1 illustrates, and the whole Bearing Installation of this example is in shell 20, and shell 20 is stretched out in rotating shaft 3.Like this, whole bearing was protected, it is convenient that it is installed and used.
Embodiment two
Fig. 2 illustrates, and a kind of embodiment of the present utility model is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is:
Be fixed with high temperature superconductor 31 on the outer circumferential face of rotor 3, high temperature superconductor 31 is wrapped with axle sleeve 32; The axle sleeve 32 outer stators 4 that are surrounded with; Described stator 4 constitutes by the permanent magnet 41 of axial magnetized and magnetism gathering rings 42 are alternate; And stator 4 is fixed on the base plate of low-temperature (low temperature) vessel 1, and the inner chamber of sealing is arranged in rotor 3 bodies, and filled with liquid nitrogen 2 in the inner chamber.
Embodiment three
Fig. 3 illustrates, and a kind of embodiment of the present utility model is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is: be fixed with high temperature superconductor 31 on the outer circumferential face of rotor 3, high temperature superconductor 31 is wrapped with axle sleeve 32; Axle sleeve 32 is outer around stator 4, and described stator 4 constitutes by the permanent magnet 41 of axial magnetized and magnetism gathering rings 42 are alternate; And stator 4 is fixed on the base plate of low-temperature (low temperature) vessel 2, the bottom filled with liquid nitrogen 2 of low-temperature (low temperature) vessel 1; The upper and lower of described rotor 3 is formed with the high material of pyroconductivity by pyroconductivity is low respectively, and rotor 3 bottoms are stretched in the liquid nitrogen 2.
Embodiment four
Fig. 4 illustrates, and a kind of embodiment of the present utility model is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is: the inner chamber of rotor 3 ' the oriented under shed is fixed with high temperature superconductor 31 ' on the internal chamber wall; Be sheathed with in the inner chamber of rotor 3 ' by the permanent magnet 41 ' of axial magnetized and the stator 4 ' of magnetism gathering rings 42 ' alternate formation; The bottom of stator 4 ' is fixed on the base plate of low-temperature (low temperature) vessel 1, is full of liquid nitrogen 2 in the low-temperature (low temperature) vessel 1.
The concrete mode that permanent magnet 41 ' and magnetism gathering rings 42 ' constitute rotor 4 ' in this example is: circular permanent magnet 41 ' with magnetism gathering rings 42 ' the successively alternate axial overlap identical by two-layer at least shape forms; The direction of magnetization of adjacent two layers permanent magnet 41 ' is opposite; Every layer of permanent magnet 41 ' arranged by the identical permanent magnet of the polylith direction of magnetization more than one or and formed.
Fig. 4 illustrates, and the whole Bearing Installation of this example is in shell 20 ', and shell 20 ' is stretched out in rotating shaft 3 '.
Embodiment five
Fig. 3 illustrates, and a kind of embodiment of the present utility model is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is:
The inner peripheral surface of rotor 3 ' is fixed with high temperature superconductor 31 '; Be sheathed with in rotor 3 inner chambers by the permanent magnet 41 ' of axial magnetized and the stator 4 ' of magnetism gathering rings 42 ' alternate formation; The bottom of stator 4 ' is fixed on the base plate of low-temperature (low temperature) vessel 1; Simultaneously, the sidewall of rotor 3 ' is a sandwich structure, and filled with liquid nitrogen 2 in the interlayer chamber.
Embodiment six
Fig. 4 illustrates, and a kind of embodiment of the present utility model is: a kind of high-temperature superconducting magnetic levitation radial bearing, and its composition is:
The inner chamber of rotor 3 ' the oriented under shed is fixed with high temperature superconductor 31 ' on the internal chamber wall; Be sheathed with in the inner chamber of rotor 3 ' by the permanent magnet 41 ' of axial magnetized and the stator 4 ' of magnetism gathering rings 42 ' alternate formation; The bottom of stator 4 ' is fixed on the base plate of low-temperature (low temperature) vessel 2; The bottom filled with liquid nitrogen of low-temperature (low temperature) vessel 2, the top 33 ' of rotor 3 ' and bottom 34 ' respectively by pyroconductivity the low and high material of pyroconductivity forms, rotor 3 ' bottom 34 ' stretches in the liquid nitrogen 2.
Claims (6)
1. high-temperature superconducting magnetic levitation radial bearing is characterized in that:
Be fixed with high temperature superconductor (31) on the outer circumferential face of rotor (3), high temperature superconductor (31) is wrapped with axle sleeve (32); Axle sleeve (32) is outer around stator (4), and described stator (4) is by the permanent-magnetic clamp (42) and the alternate formation of magnetism gathering rings (41) of axial magnetized; And stator (4) is fixed on the base plate of low-temperature (low temperature) vessel (1), is full of liquid nitrogen (2) in the low-temperature (low temperature) vessel (1).
2. high-temperature superconducting magnetic levitation radial bearing is characterized in that:
Be fixed with high temperature superconductor (31) on the outer circumferential face of rotor (3), high temperature superconductor (31) is wrapped with axle sleeve (32); The outer stator (4) that is surrounded with of axle sleeve (32); Described stator (4) is by the permanent-magnetic clamp (42) and the alternate formation of magnetism gathering rings (41) of axial magnetized; And stator (4) is fixed on the base plate of low-temperature (low temperature) vessel (1), the inner chamber of sealing is arranged, filled with liquid nitrogen in the inner chamber (2) in rotor (3) body.
3. high-temperature superconducting magnetic levitation radial bearing is characterized in that:
Be fixed with high temperature superconductor (31) on the outer circumferential face of rotor (3), high temperature superconductor (31) is wrapped with axle sleeve (32); Axle sleeve (32) is outer around stator (4), and described stator (4) is by the permanent-magnetic clamp (42) and the alternate formation of magnetism gathering rings (41) of axial magnetized; And stator (4) is fixed on the base plate of low-temperature (low temperature) vessel (1), the bottom filled with liquid nitrogen (2) of low-temperature (low temperature) vessel (1); The top (33) of described rotor (3) and bottom (34) are formed with the high material of pyroconductivity by pyroconductivity is low respectively, and the bottom (34) of rotor (3) is stretched in the liquid nitrogen (2).
4. high-temperature superconducting magnetic levitation radial bearing is characterized in that:
The inner chamber of the oriented under shed of rotor (3 ') is fixed with high temperature superconductor (31 ') on the internal chamber wall; Be sheathed with in the inner chamber of rotor (3 ') by the permanent-magnetic clamp (42 ') of axial magnetized and the stator (4 ') of the alternate formation of magnetism gathering rings (41 '); The bottom of stator (4 ') is fixed on the base plate of low-temperature (low temperature) vessel (1), is full of liquid nitrogen (2) in the low-temperature (low temperature) vessel (1).
5. high-temperature superconducting magnetic levitation radial bearing is characterized in that:
The inner peripheral surface of rotor (3 ') is fixed with high temperature superconductor (31 '); Be sheathed with in rotor (the 3 ') inner chamber by the permanent-magnetic clamp (42 ') of axial magnetized and the stator (4 ') of the alternate formation of magnetism gathering rings (41 '); The bottom of stator (4 ') is fixed on the base plate of low-temperature (low temperature) vessel (1); Simultaneously, the sidewall of rotor (3 ') is a sandwich structure, filled with liquid nitrogen in the interlayer chamber (2).
6. high-temperature superconducting magnetic levitation radial bearing is characterized in that:
The inner chamber of the oriented under shed of rotor (3 ') is fixed with high temperature superconductor (31 ') on the internal chamber wall; Be sheathed with in the inner chamber of rotor (3 ') by the permanent-magnetic clamp (42 ') of axial magnetized and the stator (4 ') of the alternate formation of magnetism gathering rings (41 '); The bottom of stator (4 ') is fixed on the base plate of low-temperature (low temperature) vessel (1); The bottom filled with liquid nitrogen (2) of low-temperature (low temperature) vessel (1), the top (33 ') of rotor (3 ') and bottom (34 ') are formed with the high material of pyroconductivity by pyroconductivity is low respectively, and (2) in the liquid nitrogen are stretched in the bottom (34 ') of rotor (3 ').
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205478021U CN201818659U (en) | 2010-09-29 | 2010-09-29 | High-temperature superconduction magnetic suspension radial bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205478021U CN201818659U (en) | 2010-09-29 | 2010-09-29 | High-temperature superconduction magnetic suspension radial bearing |
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| Publication Number | Publication Date |
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| CN201818659U true CN201818659U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205478021U Expired - Fee Related CN201818659U (en) | 2010-09-29 | 2010-09-29 | High-temperature superconduction magnetic suspension radial bearing |
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| CN (1) | CN201818659U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185072A (en) * | 2011-12-30 | 2013-07-03 | 北京有色金属研究总院 | Simplified calculation method of radial high-temperature superconducting magnetic-suspension bearing |
| CN103470630A (en) * | 2013-09-18 | 2013-12-25 | 北京航空航天大学 | Repulsion type combined-magnet radial passive magnetic bearing |
| CN103470631A (en) * | 2013-09-18 | 2013-12-25 | 北京航空航天大学 | Attraction type combined-magnet axial passive magnetic bearing |
| CN103527629A (en) * | 2013-10-18 | 2014-01-22 | 中国科学院电工研究所 | Superconducting magnetic levitation supporting device with permanent magnetic ring |
| CN106763187A (en) * | 2017-04-06 | 2017-05-31 | 北京石油化工学院 | A kind of implicit Lorentz force deflection magnetic bearing of the poly- magnetic effect of U-shaped |
| CN107255118A (en) * | 2017-07-26 | 2017-10-17 | 珠海格力节能环保制冷技术研究中心有限公司 | The rotor of magnetic suspension bearing and its assembly tooling and assembly method |
| CN110849255A (en) * | 2019-11-27 | 2020-02-28 | 中国科学院理化技术研究所 | Displacement sensor |
| CN114301219A (en) * | 2021-12-30 | 2022-04-08 | 深圳供电局有限公司 | Superconducting liquid immersion type brushless motor structure |
-
2010
- 2010-09-29 CN CN2010205478021U patent/CN201818659U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185072A (en) * | 2011-12-30 | 2013-07-03 | 北京有色金属研究总院 | Simplified calculation method of radial high-temperature superconducting magnetic-suspension bearing |
| CN103185072B (en) * | 2011-12-30 | 2015-07-22 | 北京有色金属研究总院 | Simplified calculation method of radial high-temperature superconducting magnetic-suspension bearing |
| CN103470631B (en) * | 2013-09-18 | 2016-06-22 | 北京航空航天大学 | A kind of axial passive magnetic bearing of attractive combination magnet |
| CN103470630A (en) * | 2013-09-18 | 2013-12-25 | 北京航空航天大学 | Repulsion type combined-magnet radial passive magnetic bearing |
| CN103470631A (en) * | 2013-09-18 | 2013-12-25 | 北京航空航天大学 | Attraction type combined-magnet axial passive magnetic bearing |
| CN103470630B (en) * | 2013-09-18 | 2016-06-22 | 北京航空航天大学 | A kind of repulsion type combination magnet radially passive magnetic bearing |
| CN103527629A (en) * | 2013-10-18 | 2014-01-22 | 中国科学院电工研究所 | Superconducting magnetic levitation supporting device with permanent magnetic ring |
| CN103527629B (en) * | 2013-10-18 | 2016-05-18 | 中国科学院电工研究所 | With the super-conductive magnetic suspension supporting arrangement of permanent-magnetic clamp |
| CN106763187A (en) * | 2017-04-06 | 2017-05-31 | 北京石油化工学院 | A kind of implicit Lorentz force deflection magnetic bearing of the poly- magnetic effect of U-shaped |
| CN106763187B (en) * | 2017-04-06 | 2018-11-02 | 北京石油化工学院 | A kind of implicit Lorentz force deflection magnetic bearing of the poly- magnetic effect of U-shaped |
| CN107255118A (en) * | 2017-07-26 | 2017-10-17 | 珠海格力节能环保制冷技术研究中心有限公司 | The rotor of magnetic suspension bearing and its assembly tooling and assembly method |
| CN110849255A (en) * | 2019-11-27 | 2020-02-28 | 中国科学院理化技术研究所 | Displacement sensor |
| CN110849255B (en) * | 2019-11-27 | 2021-08-20 | 中国科学院理化技术研究所 | Displacement sensor |
| CN114301219A (en) * | 2021-12-30 | 2022-04-08 | 深圳供电局有限公司 | Superconducting liquid immersion type brushless motor structure |
| CN114301219B (en) * | 2021-12-30 | 2023-08-08 | 深圳供电局有限公司 | Superconductive liquid immersion brushless motor structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20130929 |