CN109281937A - A kind of permanent-magnet suspension bearing rotor - Google Patents
A kind of permanent-magnet suspension bearing rotor Download PDFInfo
- Publication number
- CN109281937A CN109281937A CN201811461270.7A CN201811461270A CN109281937A CN 109281937 A CN109281937 A CN 109281937A CN 201811461270 A CN201811461270 A CN 201811461270A CN 109281937 A CN109281937 A CN 109281937A
- Authority
- CN
- China
- Prior art keywords
- magnet
- rotor
- permanent
- suspension bearing
- inner cylinder
- 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
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 69
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 239000000956 alloy Substances 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 4
- KCZFLPPCFOHPNI-UHFFFAOYSA-N alumane;iron Chemical class [AlH3].[Fe] KCZFLPPCFOHPNI-UHFFFAOYSA-N 0.000 claims description 4
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 4
- -1 iron silicon aluminum series Chemical class 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000005267 amalgamation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/0408—Passive magnetic bearings
- F16C32/041—Passive magnetic bearings with permanent magnets on one part attracting the other part
- F16C32/0421—Passive magnetic bearings with permanent magnets on one part attracting the other part for both radial and axial load
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a kind of permanent-magnet suspension bearing rotors characterized by comprising inner cylinder, connection ring, outer cylinder and rotor magnet group；The inner cavity of the inner cylinder is for installing equipment rotating shaft；Connection ring inner ring connects the first end of inner cylinder, and connection ring outer ring connects the first end of outer cylinder, inner cylinder, connection ring and the concentric setting of outer cylinder；The rotor magnet group include at least one piece of rotor magnet unit, rotor magnet unit be cyclic structure integral type magnet or the magnet unit be the cyclic structure spliced using magnetic sheet magnet；The rotor magnet group is fixedly mounted on outer cylinder.
Description
Technical field
The invention belongs to magnetic suspension bearing technical fields, more particularly to a kind of permanent-magnet suspension bearing rotor.
Background technique
Bearing (Bearing) is a kind of important spare part in contemporary mechanical equipment, and major function is the mechanical rotation of support
Body reduces the coefficient of friction in its motion process, and guarantees its rotating accuracy.Magnetic suspension bearing be after benefit magneticaction by rotor
Relative to rotor suspension in aerial, make there is no Mechanical Contact between rotor and rotor.With traditional rolling bearing, sliding bearing etc.
It compares, the rotor of magnetic suspension bearing can run to very high revolving speed, thus be generally applied to high speed, superfast occasion
In, such as some high speeds, ultrahigh speed machine.
The axial permanent magnetic suspension bearing of the prior art includes that the rotor drawing being arranged on rotor pushes away magnet and corresponds to by soft
Magnetic material matrix is arranged on rotor, draws with the rotor and pushes away magnet with axial gap and formed the rotor for pushing away magnetic circuit drawing is drawn to push away
Magnet, the rotor drawing pushes away magnet and rotor drawing pushes away magnet and radially fitting closely setting and magnetic by two or more respectively
The radially alternatively distributed annular permanent magnet in pole is constituted, and the magnetism of the annular permanent magnet of upper and lower corresponding same radial position is big
It is small it is identical, polarity is opposite；The rotor drawing pushes away magnet and rotor draws the close perpendicular of the annular permanent magnet for pushing away magnet close to vertical axes
The annular surface of d-axis and vertical axes surface have radial spacing.Bearing load can be reduced 98% by the bearing, and frictional force subtracts
Few 98%；But the bearing cannot be carried in radial direction compared with big load, greatly limit its use scope.
The radial permanent magnet suspension bearing of the prior art includes an outer housing, left-hand rotation daughter, right-hand rotation daughter, left guide way, the right side
Guide way, rotor block.Include the round static permanent-magnet magnetic array in two sides in outer housing and circular rotatable permanent-magnet magnetic array, left guiding
The magnetic of body, right guide way, rotor block composition floats transverse bearing.The radial direction that rotor block magnetic array magnetic bearing undertakes rotor is outstanding
Floating, left guide way, right guide way undertake the left and right two freedom degrees guiding of negative limitation.The buoyancy of radial suspension bearing is big, Ke Yifu
Several hundred tons heavy of heavy rotor is played, it is cheap；Since without mechanical axis make guiding its without mechanical wear and energy loss.But
It is that the bearing cannot be carried compared with big load in the axial direction, further limits its use scope.
Summary of the invention
The object of the present invention is to provide a kind of permanent-magnet suspension bearing rotors, solve at least one skill referred in the prior art
Art problem.
The technical scheme to solve the above technical problems is that a kind of permanent-magnet suspension bearing rotor comprising: it is interior
Cylinder, connection ring, outer cylinder and rotor magnet group；The inner cavity of the inner cylinder is for installing equipment rotating shaft；Connection ring inner ring connects inner cylinder
First end, connection ring outer ring connect outer cylinder first end, inner cylinder, connection ring and the concentric setting of outer cylinder；The rotor
Magnet group includes at least one piece of rotor magnet unit, and rotor magnet unit is the integral type magnet or the magnetic of cyclic structure
Body unit is the magnet for the cyclic structure spliced using magnetic sheet；The rotor magnet group is fixedly mounted on outer cylinder.
Present invention permanent-magnet suspension bearing rotor as described above further includes further rotor baffle ring, and the rotor baffle ring is solid
Surely it is connected to the second end of outer cylinder.
Present invention permanent-magnet suspension bearing rotor as described above, further, the magnetizing direction of rotor magnet unit are radial
It magnetizes, adjacent rotor magnet unit magnetic pole is opposite.
Present invention permanent-magnet suspension bearing rotor as described above, further, the outer wall of the inner cylinder and the inner wall institute of outer cylinder
The space of composition is used to install the internal magnets mounting portion and stator interior magnet group of stator.
Present invention permanent-magnet suspension bearing rotor as described above, further, the inner cylinder are pure iron, mild steel, iron silicon systems
Alloy, iron aluminum series alloy, iron silicon aluminum series alloy, nickel iron-based alloy or iron Co-based alloy material.
Present invention permanent-magnet suspension bearing rotor as described above, further, the equipment rotating shaft outer tube also install by portion
Positioning sleeve installs sliding bearing on positioning sleeve.
Present invention permanent-magnet suspension bearing rotor as described above, further, the inner wall of the inner cylinder is connected with equipment rotating shaft
It is fixed afterwards using key.
Detailed description of the invention
It will be become by made detailed description, above-mentioned and/or otherwise advantage of the invention in conjunction with the following drawings
It becomes apparent from and is easier to understand, these attached drawings are only schematical, are not intended to limit the present invention, in which:
Fig. 1 is the permanent-magnet suspension bearing rotor schematic diagram of an embodiment of the present invention；
Fig. 2 is the permanent-magnet suspension bearing rotor diagrammatic cross-section of an embodiment of the present invention；
Fig. 3 is the permanent-magnet suspension bearing rotor and the first magnet group schematic diagram of a kind of embodiment；
Fig. 4 is the permanent-magnet suspension bearing rotor and third magnet group schematic diagram of a kind of embodiment；
Fig. 5 is the permanent-magnet suspension bearing rotor schematic diagram of an embodiment of the present invention；
Fig. 6 is the permanent-magnet suspension bearing rotor diagrammatic cross-section of an embodiment of the present invention；
Fig. 7 is that the permanent-magnet suspension bearing rotor of an embodiment of the present invention splices schematic diagram；
Fig. 8 is the permanent-magnet suspension bearing rotor amalgamation profiles schematic diagram of an embodiment of the present invention；
Fig. 9 is the permanent-magnet suspension bearing rotor and rotor magnet group schematic diagram of a kind of embodiment；
Figure 10 is the permanent-magnet suspension bearing rotor and permanent-magnet suspension bearing rotor schematic diagram of a kind of embodiment；
Figure 11 is permanent-magnet suspension bearing rotor and permanent-magnet suspension bearing rotor diagrammatic cross-section；
Figure 12 is that the permanent-magnet suspension bearing axial bearing capacity of an embodiment of the present invention forms schematic diagram；
Figure 13 is that the permanent-magnet suspension bearing radial direction bearing capacity of an embodiment of the present invention forms schematic diagram.
In attached drawing, parts list represented by the reference numerals are as follows:
1, permanent-magnet suspension bearing stator, 2, permanent-magnet suspension bearing rotor, 3, stator exterior magnet group, 4, rotor magnet group,
5, stator interior magnet group, 6, stator end cap, 7, supports end cap, 8, rotor endcap, 9, equipment rotating shaft, 11, external magnets installation
Portion, 12, interconnecting piece, 13, internal magnets mounting portion, 14, mounting groove, 15, stator baffle ring, 21, inner cylinder, 22, connection ring, 23, outer
Cylinder, 24, rotor baffle ring, 25, the space that is constituted of the inner wall of the outer wall of inner cylinder and outer cylinder, 26, the inner cavity of inner cylinder.
Specific embodiment
Hereinafter, the embodiment of permanent-magnet suspension bearing rotor of the invention is described with reference to the accompanying drawings.
The embodiment recorded herein is specific specific embodiment of the invention, for illustrating design of the invention,
Be it is explanatory and illustrative, should not be construed as the limitation to embodiment of the present invention and the scope of the invention.Except what is recorded herein
Outside embodiment, those skilled in the art can also based on the claim of this application book and specification disclosure of that using aobvious and
The other technical solutions being clear to, these technical solutions include using any obvious to making for the embodiment recorded herein
The technical solution of substitutions and modifications.
The attached drawing of this specification is schematic diagram, aids in illustrating design of the invention, it is schematically indicated the shape of each section
And its correlation.It note that for the ease of clearly showing the structure of each component of the embodiment of the present invention, between each attached drawing
Do not drawn according to identical ratio.Identical reference marker is for indicating identical part.
Fig. 5-Fig. 9 shows the permanent-magnet suspension bearing rotor 2 of an embodiment of the present invention comprising: inner cylinder 21, connection ring
22, outer cylinder 23 and rotor magnet group 4；
The inner cavity 26 of inner cylinder is for installing equipment rotating shaft 9；22 inner ring of connection ring connects the first end of inner cylinder 21, connection ring
22 outer rings connect the first end of outer cylinder 23, inner cylinder 21, connection ring 22 and the concentric setting of outer cylinder 23；Rotor magnet group 4 includes
At least one piece of rotor magnet unit, rotor magnet unit is the integral type magnet of cyclic structure or magnet unit is to utilize magnetic
The magnet of the cyclic structure of piece splicing；Rotor magnet group 4 is fixedly mounted on outer cylinder 23.Rotor endcap 8 is also shown in Fig. 9,
The effect of rotor endcap is the axial position of fixed rotor magnets unit.Fig. 7 and Fig. 8 show two sets of mirror-image arrangements inner cylinder 21,
Connection ring 22, outer cylinder 23.Fig. 9 shows the mounting means of rotor magnet group 4 and rotor endcap 8.
In further preferred 2 embodiment of permanent-magnet suspension bearing rotor, as shown in fig. 6, further including rotor baffle ring 24, turn
Sub- baffle ring 24 is fixedly connected on the second end of outer cylinder 23.
In further preferred 2 embodiment of permanent-magnet suspension bearing rotor, the magnetizing direction of rotor magnet unit is radial
It magnetizes, adjacent rotor magnet unit magnetic pole is opposite.
In further preferred 2 embodiment of permanent-magnet suspension bearing rotor, the outer wall of inner cylinder and the inner wall of outer cylinder are constituted
Space 25 be used to that the internal magnets mounting portion and stator interior magnet group 5 of stator to be installed.
In further preferred 2 embodiment of permanent-magnet suspension bearing rotor, inner cylinder 21 is pure iron, mild steel, the conjunction of iron silicon systems
Gold, iron aluminum series alloy, iron silicon aluminum series alloy, nickel iron-based alloy or iron Co-based alloy material.
In further preferred 2 embodiment of permanent-magnet suspension bearing rotor, also installation is fixed outside inner cylinder 21 for equipment rotating shaft 9
Position set, installs sliding bearing on positioning sleeve.
In further preferred 2 embodiment of permanent-magnet suspension bearing rotor, after inner wall and equipment rotating shaft 9 connection of inner cylinder 21
It is fixed using key.
Fig. 1-Fig. 4 shows a kind of permanent-magnet suspension bearing stator 1 comprising: external magnets mounting portion 11, stator exterior magnet
Group 3, internal magnets mounting portion 13 and stator interior magnet group 5；
External magnets mounting portion 11 is tubular structure, as shown in figure 1；As shown in figure 3, stator exterior magnet group 3 includes extremely
Few one piece of external magnets unit, external magnets unit is the integral type magnet of cyclic structure or external magnets unit is to utilize
The magnet of the cyclic structure of magnetic sheet splicing；Stator exterior magnet group 3 is mounted on external magnets mounting portion 11；Internal magnets mounting portion
13 be tubular structure, as shown in Figure 1；Or the cross section of internal magnets mounting portion 13 is arcuate structure；Internal magnets mounting portion
13 are fixed on the inner cavity of external magnets mounting portion 11 by interconnecting piece 12；As shown in figure 4, stator interior magnet group 5 is fixedly connected
To internal magnets mounting portion 13.
In further preferred permanent-magnet suspension bearing stator 1, magnet mounting groove 14 is arranged in internal magnets mounting portion 13, fixed
Sub- internal magnets group 5 is fixed in mounting groove 14.
In further preferred permanent-magnet suspension bearing stator 1, stator interior magnet group 5 includes at least one piece of stator interior
Magnet unit；The magnetizing direction of stator interior magnet unit is radial magnetizing, and adjacent stator interior magnet unit magnetic pole is opposite.
In further preferred permanent-magnet suspension bearing stator 1, the magnetizing direction of external magnets unit is radial magnetizing, phase
Adjacent external magnets unit magnetic pole is opposite.
In further preferred permanent-magnet suspension bearing stator 1, the setting of interconnecting piece 12 is at 11 middle part of external magnets mounting portion
Stator baffle ring 15 is arranged close to the position of external magnets mounting portion 11 in interconnecting piece 12 in position.
In further preferred permanent-magnet suspension bearing stator 1, external magnets mounting portion 11 is magnetic conductive metal material；It is internal
Magnet mounting portion 13 is non-magnetic metal material；Interconnecting piece 12 is non-magnetic metal material.
It further include stator end cap 6 in further preferred permanent-magnet suspension bearing stator 1, stator end cap 6 is fixed on stator
3 outside of external magnets group, for fixed stator external magnets group 3 to external magnets mounting portion 11.
It further include supports end cap 7 in further preferred permanent-magnet suspension bearing stator 1, supports end cap 7 is fixed on stator
5 outside of internal magnets group, for fixed stator internal magnets group 5 to internal magnets mounting portion 13.
In conjunction with shown in Figure 10 and Figure 11, a complete permanent-magnet suspension bearing includes a permanent-magnet suspension bearing stator and two
One of permanent-magnet suspension bearing rotor is installed to by a permanent-magnet suspension bearing rotor first when carrying out Permanent-magnet bearing installation
Then permanent-magnet suspension bearing stator is inserted in equipment rotating shaft and makes internal magnets mounting portion and stator interior magnet group by equipment rotating shaft
The space that 5 inner walls for being inserted into the outer wall of the inner cylinder of permanent-magnet suspension bearing rotor and outer cylinder are constituted, finally by second permanent magnetism
Suspension bearing rotor is installed to equipment rotating shaft.
Illustrate that permanent-magnet suspension bearing realizes the principle of axial carrying in conjunction with Figure 12, stator exterior magnet group is by external magnets list
Member is constituted, and the magnetizing direction of external magnets unit is radial magnetizing, and adjacent external magnets unit magnetic pole is opposite.Rotor magnet list
The magnetizing direction of member is radial magnetizing, and adjacent rotor magnet unit magnetic pole is opposite；The opposite external magnets unit in position and turn
Sub- magnet unit polarity is opposite.When rotor generates axial movement, position opposite external magnets unit and rotor magnet unit
The attraction of generation promotes rotor to reply home position.
Illustrate that permanent-magnet suspension bearing realizes that the principle radially carried, stator interior magnet group 5 include at least one in conjunction with Figure 13
Block stator interior magnet unit；The magnetizing direction of stator interior magnet unit is radial magnetizing, adjacent stator interior magnet list
First magnetic pole is opposite.The inner cylinder of permanent-magnet suspension bearing rotor is pure iron, mild steel, iron Si system alloy, iron aluminum series alloy, iron sial system
Alloy, nickel iron-based alloy or iron Co-based alloy material.The magnetic attraction offer generated between stator interior magnet unit and inner cylinder is set
The radial support power of standby shaft.
Each technical characteristic of above-mentioned disclosure is not limited to disclosed and other feature combination, and those skilled in the art are also
Can carry out other combinations between each technical characteristic according to the purpose of invention, be subject to realize the present invention purpose.
Claims (7)
1. a kind of permanent-magnet suspension bearing rotor characterized by comprising inner cylinder, connection ring, outer cylinder and rotor magnet group；It is described
The inner cavity of inner cylinder is for installing equipment rotating shaft；Connection ring inner ring connects the first end of inner cylinder, and connection ring outer ring connects outer cylinder
First end, inner cylinder, connection ring and the concentric setting of outer cylinder；The rotor magnet group includes at least one piece of rotor magnet unit,
Rotor magnet unit is the integral type magnet of cyclic structure or the magnet unit is the cyclic structure spliced using magnetic sheet
Magnet；The rotor magnet group is fixedly mounted on outer cylinder.
2. permanent-magnet suspension bearing rotor according to claim 1, which is characterized in that further include rotor baffle ring, the rotor
Baffle ring is fixedly connected on the second end of outer cylinder.
3. permanent-magnet suspension bearing rotor according to claim 1, which is characterized in that the magnetizing direction of rotor magnet unit is
Radial magnetizing, adjacent rotor magnet unit magnetic pole are opposite.
4. permanent-magnet suspension bearing rotor according to claim 1, which is characterized in that the outer wall of the inner cylinder and outer cylinder it is interior
The space that wall is constituted is used to install the internal magnets mounting portion and stator interior magnet group of stator.
5. permanent-magnet suspension bearing rotor according to claim 1, which is characterized in that the inner cylinder is pure iron, mild steel, iron
Si system alloy, iron aluminum series alloy, iron silicon aluminum series alloy, nickel iron-based alloy or iron Co-based alloy material.
6. permanent-magnet suspension bearing rotor according to claim 1, which is characterized in that portion is also outer tube for the equipment rotating shaft
Positioning sleeve is installed, sliding bearing is installed on positioning sleeve.
7. permanent-magnet suspension bearing rotor according to claim 1, which is characterized in that the inner wall and equipment rotating shaft of the inner cylinder
It is fixed after connection using key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811461270.7A CN109281937B (en) | 2018-12-02 | 2018-12-02 | Permanent magnet suspension bearing rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811461270.7A CN109281937B (en) | 2018-12-02 | 2018-12-02 | Permanent magnet suspension bearing rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109281937A true CN109281937A (en) | 2019-01-29 |
| CN109281937B CN109281937B (en) | 2023-10-27 |
Family
ID=65174344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811461270.7A Active CN109281937B (en) | 2018-12-02 | 2018-12-02 | Permanent magnet suspension bearing rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109281937B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1009608A (en) * | 1949-02-01 | 1952-06-03 | Thomson Houston Comp Francaise | New magnetic bearings |
| US4652780A (en) * | 1985-01-31 | 1987-03-24 | Kabushiki Kaisha Toshiba | Magnetic bearing device |
| US20040113502A1 (en) * | 2000-10-25 | 2004-06-17 | Guo-Kun Li | Magnetic suspension bearing |
| CN101979888A (en) * | 2010-10-06 | 2011-02-23 | 潘家烺 | Permanent magnetic energy suspension bearing capable of being combined with common rotating shaft bearing to eliminate bearing capacity |
| CN102588433A (en) * | 2011-01-11 | 2012-07-18 | 张平 | Permanent magnet suspension bearing and installation structure thereof |
| CN102588434A (en) * | 2011-01-11 | 2012-07-18 | 张平 | Permanent magnet suspension bearing and installation structure thereof |
| CN105186830A (en) * | 2015-08-28 | 2015-12-23 | 迈格钠磁动力股份有限公司 | Magnet-to-magnet permanent magnetic synchronous coupler |
| US20170023057A1 (en) * | 2013-12-30 | 2017-01-26 | Guokun Li | Radial permanent magnetic suspension bearing having micro-friction or no friction of pivot point |
| CN106369051A (en) * | 2016-09-26 | 2017-02-01 | 北京航空航天大学 | Protection device of magnetic suspension bearing |
| KR20170123595A (en) * | 2017-10-26 | 2017-11-08 | 한승주 | Split Supercharger |
| CN107965521A (en) * | 2017-12-20 | 2018-04-27 | 邢和海 | Radial permanent magnet magnetic suspension bearing |
| CN209083816U (en) * | 2018-12-02 | 2019-07-09 | 迈格钠磁动力股份有限公司 | A kind of permanent-magnet suspension bearing rotor |
-
2018
- 2018-12-02 CN CN201811461270.7A patent/CN109281937B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1009608A (en) * | 1949-02-01 | 1952-06-03 | Thomson Houston Comp Francaise | New magnetic bearings |
| US4652780A (en) * | 1985-01-31 | 1987-03-24 | Kabushiki Kaisha Toshiba | Magnetic bearing device |
| US20040113502A1 (en) * | 2000-10-25 | 2004-06-17 | Guo-Kun Li | Magnetic suspension bearing |
| CN101979888A (en) * | 2010-10-06 | 2011-02-23 | 潘家烺 | Permanent magnetic energy suspension bearing capable of being combined with common rotating shaft bearing to eliminate bearing capacity |
| CN102588433A (en) * | 2011-01-11 | 2012-07-18 | 张平 | Permanent magnet suspension bearing and installation structure thereof |
| CN102588434A (en) * | 2011-01-11 | 2012-07-18 | 张平 | Permanent magnet suspension bearing and installation structure thereof |
| US20170023057A1 (en) * | 2013-12-30 | 2017-01-26 | Guokun Li | Radial permanent magnetic suspension bearing having micro-friction or no friction of pivot point |
| CN105186830A (en) * | 2015-08-28 | 2015-12-23 | 迈格钠磁动力股份有限公司 | Magnet-to-magnet permanent magnetic synchronous coupler |
| CN106369051A (en) * | 2016-09-26 | 2017-02-01 | 北京航空航天大学 | Protection device of magnetic suspension bearing |
| KR20170123595A (en) * | 2017-10-26 | 2017-11-08 | 한승주 | Split Supercharger |
| CN107965521A (en) * | 2017-12-20 | 2018-04-27 | 邢和海 | Radial permanent magnet magnetic suspension bearing |
| CN209083816U (en) * | 2018-12-02 | 2019-07-09 | 迈格钠磁动力股份有限公司 | A kind of permanent-magnet suspension bearing rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109281937B (en) | 2023-10-27 |
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