CN102052404A - Totally-enclosed magnetic circuit structure for magnetic suspension bearing - Google Patents
Totally-enclosed magnetic circuit structure for magnetic suspension bearing Download PDFInfo
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- CN102052404A CN102052404A CN2011100236059A CN201110023605A CN102052404A CN 102052404 A CN102052404 A CN 102052404A CN 2011100236059 A CN2011100236059 A CN 2011100236059A CN 201110023605 A CN201110023605 A CN 201110023605A CN 102052404 A CN102052404 A CN 102052404A
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- 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
- F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
- F16C32/0425—Passive magnetic bearings with permanent magnets on both parts repelling each other for radial load mainly
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- 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
- F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
- F16C32/0427—Passive magnetic bearings with permanent magnets on both parts repelling each other for axial load mainly
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- 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
Abstract
The invention discloses a totally-enclosed magnetic circuit structure for a magnetic suspension bearing and the magnetic suspension bearing of a totally-enclosed magnetic circuit, wherein the totally-enclosed magnetic circuit structure is divided into radial arrangement or axial arrangement according to comparison of the arrangement direction of magnetic rings and the axis direction of a rotary shaft; and the totally-enclosed magnetic circuit structure can be used for rotary supporting bearings and also can be used for various other magnetic suspension bearings, but preferably the rotary supporting bearings. On the basis that the original magnetic block is not changed, and by scientific arrangement, the totally-enclosed magnetic circuit structure can enable the magnetic field between a stator and a rotor to be increased by 0.5 time, and effectively improve the bearing capability of the magnetic suspension bearing, thus achieving the effect of improving the operating capability of the bearings. Under the designed bearing capability, the used material of a magnet also can be saved, and the weight of a system can be greatly reduced. Simultaneously, as the totally-enclosed magnetic circuit structure can be enclosed totally in the magnetic field of local space, and has no magnetic pollution to the outside.
Description
Invention field
The present invention relates to a kind of totally-enclosed magnetic structure, particularly a kind of totally-enclosed magnetic structure that is used for magnetic suspension bearing.
Background technique
Magnetic suspension bearing is to rely on the effect of magnetic force to make rotating shaft be suspended in the effect that the space special position is realized traditional bearing, comprise stator magnetic block, rotor magnetic patch, the suffered suspending power size of the rotor magnetic patch of permanent magnetism magnetic suspension bearing is the key that can bearing good operation, after the magnetic force of permanent magnet was determined, total hope shone maximum energy with minimum volume.
The method that magnetic suspension bearing improves magnetic suspension force in the prior art has: make the stator and rotor magnetic patch of definite shape size have surface of contact between enough big magnetic force, the increase stator and rotor magnetic patch, reduce magnetic gap etc., the present invention is on original magnetic patch basis of invariable, by the direction of rational arrangement magnetic patch magnetic pole, make it to form a new closed magnetic circuit structure and improve the magnetic suspension ability of bearing rotating shaft.
Summary of the invention
The objective of the invention is to disclose a kind of totally-enclosed magnetic structure that is used for magnetic suspension bearing, another object of the present invention is to disclose a kind of magnetic suspension bearing of totally-enclosed magnetic circuit.
The present invention seeks to be achieved through the following technical solutions:
The totally-enclosed magnetic structure of magnetic suspension bearing of the present invention is: as shown in Figure 3, comprise: rotor magnetic patch A19, rotor magnetic patch B20, stator magnetic block A21, stator magnetic block B22, magnet case 23, wherein, rotor magnet A19, rotor magnet B20 are fixed on the magnet case 23, and stator magnet A21, stator magnet B22 also are fixed on the magnet case 23; In addition, the magnetic pole of rotor magnetic patch A19 and rotor magnetic patch B20 is opposite, and the magnetic pole of stator magnetic block A21 and stator magnetic block B22 is opposite, and the magnetic pole of rotor magnetic patch A19 and stator magnetic block A21 is opposite, and the magnetic pole of rotor magnetic patch B20 and stator magnetic block B22 is opposite; Wherein, M1 and M2 are meant the magnetic line of force and trend thereof.
Wherein, the matrix description of the totally-enclosed magnetic circuit of magnetic suspension bearing of the present invention is:
N very 1, S very-1,
Then the totally-enclosed magnetic circuit upper half part of the present invention matrix description is:
Then the totally-enclosed magnetic circuit lower half portion of the present invention matrix description is:
Magnetic Circuit Design matrix representation then of the present invention is:
Magnetic suspension bearing of the present invention is divided into arranged radially or axially-aligned according to magnet ring orientation and shaft axis direction ratio;
Comprise during arranged radially: rotating shaft 1, stator magnetic ring fixed base 2, rotor magnetic ring fixed base 3, rotor magnetic ring A4, rotor magnetic ring B5, clamping bolt 6, rotor 7, stator 8, stator magnetic ring A9, stator magnetic ring B10;
Wherein, stator magnetic ring A9, stator magnetic ring B10 are fixed in the stator magnetic ring fixed base 2, stator magnetic ring fixed base 2 is fixed on the stator 8, rotor magnetic ring A4, rotor magnetic ring B5 are fixed in the rotor magnetic ring fixed base 3, rotor magnetic ring fixed base 3 is fixed on the rotor 7, and rotating shaft 1 is connected by clamping bolt 6 with rotor 7; Stator magnetic ring fixed base 2 and rotor magnetic ring fixed base 3 are magnet case;
Wherein, rotor magnetic ring A4, rotor magnetic ring B5, stator magnetic ring A9, stator magnetic ring B10 radially enlarge step by step along rotating shaft 1 respectively;
Comprise during axially-aligned: rotating shaft 11, rotor magnetic ring fixed base 12, stator magnetic ring fixed base 13, stator magnetic ring A14, stator magnetic ring B15, rotor magnetic ring B16, rotor magnetic ring A17, key 18;
Wherein, stator magnetic ring A14, stator magnetic ring B15 are fixed in the stator magnetic ring fixed base 13, and rotor magnetic ring B16, rotor magnetic ring A17 are fixed in the rotor magnetic ring fixed base 12, are connected by key 18 between rotor magnetic ring fixed base 12 and the rotating shaft 11; Rotor magnetic ring fixed base 12 and stator magnetic ring fixed base 13 are magnet case;
Wherein, stator magnetic ring A14, stator magnetic ring B15, rotor magnetic ring B16, rotor magnetic ring A17 are respectively along rotating shaft 11 axially-aligned, and every circle size is identical;
Wherein, the totally-enclosed magnetic structure middle magnetic ring number of turns and the magnetic patch quantity of described two kinds of arrangements can be according to the operating mode Demand Design, and the pole orientation of every circle magnet ring is identical, and the pole orientation of adjacent magnet ring is opposite, and corresponding magnet ring pole orientation is opposite between the stator and rotor;
Wherein, described magnet ring is made of several magnetic patch, and magnetic patch is permanent magnet;
The totally-enclosed magnetic structure of the present invention can be used for pivoting support bearing, also can be other various magnetic suspension bearings; Be preferred for pivoting support bearing;
The basic principle of the totally-enclosed magnetic structure of the present invention is, because the variation of magnetic patch pole arrangement mode, magnetic line of force M2 has appearred again on the basis of original magnetic line of force M1, the magnetic line of force always enters the S utmost point from the N utmost point and forms the closed-loop path, according to " magnetic resistance minimum principle "---magnetic flux always will be along the path closure of magnetic resistance minimum, magnetic resistance is directly proportional with the length of magnetic circuit, because adjacent magnet ring magnetic pole is opposite, when the N of adjacent magnets to the distance of S less than the N of magnet itself to S apart from the time, the magnetic line of force that flows out from the N utmost point has just flow into naturally in the S utmost point of adjacent magnets and has gone, and has so just produced new loop---magnetic line of force M2; M1 and M2 have illustrated magnetic line of force trend in the accompanying drawing 3, and the magnetic line of force is at magnet A19, magnet B20 and magnet case 23, and have formed totally-enclosed magnetic loop in magnet A21, magnet A22 and the magnet case 23 local zonules.
The totally-enclosed magnetic structure of the present invention, on original magnetic patch basis of invariable,, can make the magnetic force between original stator and rotor increase 0.5 times by the arrangement of science, effectively promote the bearing capacity of magnetic suspension bearing, and then reached the effect of improving the bearing operation ability.Under the design bearing capacity, the materials of magnet also can be saved, and can reduce the weight of system greatly.Simultaneously, because the totally-enclosed magnetic structure of the present invention is just can be closed fully in local space magnetic field, externally there is not electromagnetic pollution.
Description of drawings
Fig. 1: the totally-enclosed magnetic structure figure of arranged radially in the magnetic suspension bearing of the present invention;
1, rotating shaft, 2, the stator magnetic ring fixed base, 3, the rotor magnetic ring fixed base, 4, rotor magnetic ring A, 5, rotor magnetic ring B, 6, clamping bolt, 7, rotor, 8, stator, 9, stator magnetic ring A, 10, stator magnetic ring B;
Fig. 2: the totally-enclosed magnetic structure figure that axially arranges in the magnetic suspension bearing of the present invention;
11, rotating shaft, 12, the rotor magnetic ring fixed base, 13, the stator magnetic ring fixed base, 14, stator magnetic ring A, 15, stator magnetic ring B, 16, rotor magnetic ring B, 17, rotor magnetic ring A, 18, key;
Fig. 3: magnetic suspension bearing magnet poles arranging structure figure of the present invention;
19, rotor magnetic patch A, 20, rotor magnetic patch B, 21, stator magnetic block A, 22, stator magnetic block B, 23, magnet case, M1, the magnetic line of force, M2, the magnetic line of force.
The totally-enclosed magnetic structure that the present invention is used for magnetic suspension bearing below in conjunction with accompanying drawing is described further but is not limited to the present invention.
Embodiment
Embodiment 1: the totally-enclosed magnetic structure of arranged radially in the magnetic suspension bearing
Shown in Figure 1, the totally-enclosed magnetic structure of magnetic suspension bearing of the present invention comprises: rotating shaft 1, stator magnetic ring fixed base 2, rotor magnetic ring fixed base 3, rotor magnetic ring A4, rotor magnetic ring B5, clamping bolt 6, rotor 7, stator 8, stator magnetic ring A9, stator magnetic ring B10;
Wherein, stator magnetic ring A9, stator magnetic ring B10 are fixed in the stator magnetic ring fixed base 2, stator magnetic ring fixed base 2 is fixed on the stator 8, rotor magnetic ring A4, rotor magnetic ring B5 are fixed in the rotor magnetic ring fixed base 3, rotor magnetic ring fixed base 3 is fixed on the rotor 7, and rotating shaft 1 is connected by clamping bolt 6 with rotor 7; Stator magnetic ring fixed base 2 and rotor magnetic ring fixed base 3 are magnet case;
Wherein, rotor magnetic ring A4, rotor magnetic ring B5, stator magnetic ring A9, stator magnetic ring B10 radially enlarge step by step along rotating shaft 1 respectively;
Wherein, the described totally-enclosed magnetic structure middle magnetic ring number of turns and magnetic patch quantity can be according to the operating mode Demand Design, and the pole orientation of every circle magnet ring is identical, and the pole orientation of adjacent magnet ring is opposite, and corresponding magnet ring pole orientation is opposite between the stator and rotor;
Wherein, described magnet ring is made of several magnetic patch, and magnetic patch is permanent magnet;
Wherein, described magnetic suspension bearing is a pivoting support bearing.
Can do other pro forma transformation to structure of the present invention, magnet ring can be integral body, split, and the magnet ring layout can be made up of a plurality of, and the magnet ring number of turns, magnetic patch quantity, shape all can change.
Embodiment 2: the totally-enclosed magnetic structure of axially arranging in the magnetic suspension bearing
Shown in Figure 2, the totally-enclosed magnetic structure of magnetic suspension bearing of the present invention comprises rotating shaft 11, rotor magnetic ring fixed base 12, stator magnetic ring fixed base 13, stator magnetic ring A14, stator magnetic ring B15, rotor magnetic ring B16, rotor magnetic ring A17, key 18;
Wherein, stator magnetic ring A14, stator magnetic ring B15 are fixed in the stator magnetic ring fixed base 13, and rotor magnetic ring B16, rotor magnetic ring A17 are fixed in the rotor magnetic ring fixed base 12, are connected by key 18 between rotor magnetic ring fixed base 12 and the rotating shaft 11; Rotor magnetic ring fixed base 12 and stator magnetic ring fixed base 13 are magnet case;
Wherein, stator magnetic ring A14, stator magnetic ring B15, rotor magnetic ring B16, rotor magnetic ring A17 are respectively along rotating shaft 11 axially-aligned, and every circle size is identical;
Wherein, the described totally-enclosed magnetic structure middle magnetic ring number of turns and magnetic patch quantity can be according to the operating mode Demand Design, and the pole orientation of every circle magnet ring is identical, and the pole orientation of adjacent magnet ring is opposite, and corresponding magnet ring pole orientation is opposite between the stator and rotor;
Wherein, described magnet ring is made of several magnetic patch, and magnetic patch is permanent magnet;
Wherein, described magnetic suspension bearing is a pivoting support bearing.
Can do other pro forma transformation to structure of the present invention, magnet ring can be integral body, split, and the magnet ring layout can be made up of a plurality of, and the magnet ring number of turns, magnetic patch quantity, shape all can change.
Embodiment 3: the magnetic suspension bearing of the totally-enclosed magnetic structure of arranged radially
A kind of magnetic suspension bearing of totally-enclosed magnetic circuit, wherein totally-enclosed magnetic circuit comprises: rotating shaft 1, stator magnetic ring fixed base 2, rotor magnetic ring fixed base 3, rotor magnetic ring A4, rotor magnetic ring B5, clamping bolt 6, rotor 7, stator 8, stator magnetic ring A9, stator magnetic ring B10;
Wherein, stator magnetic ring A9, stator magnetic ring B10 are fixed in the stator magnetic ring fixed base 2, stator magnetic ring fixed base 2 is fixed on the stator 8, rotor magnetic ring A4, rotor magnetic ring B5 are fixed in the rotor magnetic ring fixed base 3, rotor magnetic ring fixed base 3 is fixed on the rotor 7, and rotating shaft 1 is connected by clamping bolt 6 with rotor 7; Stator magnetic ring fixed base 2 and rotor magnetic ring fixed base 3 are magnet case;
Wherein, rotor magnetic ring A4, rotor magnetic ring B5, stator magnetic ring A9, stator magnetic ring B10 radially enlarge step by step along rotating shaft 1 respectively;
Wherein, the described totally-enclosed magnetic structure middle magnetic ring number of turns and magnetic patch quantity can be according to the operating mode Demand Design, and the pole orientation of every circle magnet ring is identical, and the pole orientation of adjacent magnet ring is opposite, and corresponding magnet ring pole orientation is opposite between the stator and rotor;
Wherein, described magnet ring is made of several magnetic patch, and magnetic patch is permanent magnet;
Wherein, described magnetic suspension bearing is a pivoting support bearing.
Can do other pro forma transformation to structure of the present invention, magnet ring can be integral body, split, and the magnet ring layout can be made up of a plurality of, and the magnet ring number of turns, magnetic patch quantity, shape all can change.
Embodiment 4: the magnetic suspension bearing of the totally-enclosed magnetic structure of axially-aligned
A kind of magnetic suspension bearing of totally-enclosed magnetic circuit, wherein totally-enclosed magnetic circuit comprises: rotating shaft 11, rotor magnetic ring fixed base 12, stator magnetic ring fixed base 13, stator magnetic ring A14, stator magnetic ring B15, rotor magnetic ring B16, rotor magnetic ring A17, key 18;
Wherein, stator magnetic ring A14, stator magnetic ring B15 are fixed in the stator magnetic ring fixed base 13, and rotor magnetic ring B16, rotor magnetic ring A17 are fixed in the rotor magnetic ring fixed base 12, are connected by key 18 between rotor magnetic ring fixed base 12 and the rotating shaft 11; Rotor magnetic ring fixed base 12 and stator magnetic ring fixed base 13 are magnet case;
Wherein, stator magnetic ring A14, stator magnetic ring B15, rotor magnetic ring B16, rotor magnetic ring A17 are respectively along rotating shaft 11 axially-aligned, and every circle size is identical;
Wherein, the described totally-enclosed magnetic structure middle magnetic ring number of turns and magnetic patch quantity can be according to the operating mode Demand Design, and the pole orientation of every circle magnet ring is identical, and the pole orientation of adjacent magnet ring is opposite, and corresponding magnet ring pole orientation is opposite between the stator and rotor;
Wherein, described magnet ring is made of several magnetic patch, and magnetic patch is permanent magnet;
Wherein, described magnetic suspension bearing is a pivoting support bearing.
Can do other pro forma transformation to structure of the present invention, magnet ring can be integral body, split, and the magnet ring layout can be made up of a plurality of, and the magnet ring number of turns, magnetic patch quantity, shape all can change.
Embodiment 5: totally-enclosed magnetic structure of the present invention and matrix description thereof
As shown in Figure 3, the totally-enclosed magnetic structure of magnetic suspension bearing of the present invention is: comprising: rotor magnetic patch A19, rotor magnetic patch B20, stator magnetic block A21, stator magnetic block B22, magnet case 23, wherein, rotor magnet A19, rotor magnet B20 are fixed on the magnet case 23, and stator magnet A21, stator magnet B22 also are fixed on the magnet case 23; In addition, the magnetic pole of rotor magnetic patch A19 and rotor magnetic patch B20 is opposite, and the magnetic pole of stator magnetic block A21 and stator magnetic block B22 is opposite, and the magnetic pole of rotor magnetic patch A19 and stator magnetic block A21 is opposite, and the magnetic pole of rotor magnetic patch B20 and stator magnetic block B22 is opposite; Wherein, M1 and M2 are meant the magnetic line of force and trend thereof.
Wherein, the matrix description of the totally-enclosed magnetic circuit of magnetic suspension bearing of the present invention is:
N very 1, S very-1,
Then the totally-enclosed magnetic circuit upper half part of the present invention matrix description is:
Then the totally-enclosed magnetic circuit lower half portion of the present invention matrix description is:
Magnetic Circuit Design matrix representation then of the present invention is:
Claims (8)
1. totally-enclosed magnetic structure that is used for magnetic suspension bearing, it is characterized in that this totally-enclosed magnetic structure is: comprising: rotor magnetic patch A (19), rotor magnetic patch B (20), stator magnetic block A (21), stator magnetic block B (22), magnet case (23), wherein, rotor magnet A (19), rotor magnet B (20) are fixed on the magnet case (23), and stator magnet A (21), stator magnet B (22) also are fixed on the magnet case (23); In addition, the magnetic pole of rotor magnetic patch A (19) and rotor magnetic patch B (20) is opposite, the magnetic pole of stator magnetic block A (21) and stator magnetic block B (22) is opposite, and the magnetic pole of rotor magnetic patch A (19) and stator magnetic block A (21) is opposite, and the magnetic pole of rotor magnetic patch B (20) and stator magnetic block B (22) is opposite; Wherein, M1 and M2 are meant the magnetic line of force and trend thereof.
2. the totally-enclosed magnetic structure of magnetic suspension bearing as claimed in claim 1 is characterized in that the matrix description of this totally-enclosed magnetic structure is:
N very 1, S very-1,
Then totally-enclosed magnetic circuit upper half part matrix description is:
Then totally-enclosed magnetic circuit lower half portion matrix description is:
Magnetic Circuit Design matrix representation then is:
3. the totally-enclosed magnetic structure that is used for magnetic suspension bearing as claim 1 or 2 comprises when it is characterized in that this totally-enclosed magnetic structure arranged radially: rotating shaft (1), stator magnetic ring fixed base (2), rotor magnetic ring fixed base (3), rotor magnetic ring A (4), rotor magnetic ring B (5), clamping bolt (6), rotor (7), stator (8), stator magnetic ring A (9), stator magnetic ring B (10);
Comprise during axially-aligned: rotating shaft (11), rotor magnetic ring fixed base (12), stator magnetic ring fixed base (13), stator magnetic ring A (14), stator magnetic ring B (15), rotor magnetic ring B (16), rotor magnetic ring A (17), key (18).
4. totally-enclosed magnetic structure as claimed in claim 3, stator magnetic ring A (9), stator magnetic ring B (10) are fixed in the stator magnetic ring fixed base (2) when it is characterized in that wherein arranged radially, stator magnetic ring fixed base (2) is fixed on the stator (8), rotor magnetic ring A (4), rotor magnetic ring B (5) are fixed in the rotor magnetic ring fixed base (3), rotor magnetic ring fixed base (3) is fixed on the rotor (7), and rotating shaft (1) is connected by clamping bolt (6) with rotor (7); Stator magnetic ring fixed base (2) and rotor magnetic ring fixed base (3) are magnet case.
5. totally-enclosed magnetic structure as claimed in claim 3, stator magnetic ring A (14), stator magnetic ring B (15) are fixed in the stator magnetic ring fixed base (13) when it is characterized in that wherein axially-aligned, rotor magnetic ring B (16), rotor magnetic ring A (17) are fixed in the rotor magnetic ring fixed base (12), are connected by key (18) between rotor magnetic ring fixed base (12) and the rotating shaft (11); Rotor magnetic ring fixed base (12) and stator magnetic ring fixed base (13) are magnet case.
6. as the arbitrary described totally-enclosed magnetic structure of claim 1-5, it is characterized in that the magnet ring number of turns and magnetic patch quantity can be according to the operating mode Demand Design, the pole orientation of every circle magnet ring is identical, the pole orientation of adjacent magnet ring is opposite, corresponding magnet ring pole orientation is opposite between the stator and rotor, described magnet ring is made of several magnetic patch, and magnetic patch is permanent magnet.
7. as the application of the arbitrary described totally-enclosed magnetic structure of claim 1-6 in magnetic suspension bearing.
8. the magnetic suspension bearing of a totally-enclosed magnetic circuit, it is characterized in that wherein totally-enclosed magnetic structure is: comprising: rotor magnetic patch A (19), rotor magnetic patch B (20), stator magnetic block A (21), stator magnetic block B (22), magnet case (23), wherein, rotor magnet A (19), rotor magnet B (20) are fixed on the magnet case (23), and stator magnet A (21), stator magnet B (22) also are fixed on the magnet case (23); In addition, the magnetic pole of rotor magnetic patch A (19) and rotor magnetic patch B (20) is opposite, the magnetic pole of stator magnetic block A (21) and stator magnetic block B (22) is opposite, and the magnetic pole of rotor magnetic patch A (19) and stator magnetic block A (21) is opposite, and the magnetic pole of rotor magnetic patch B (20) and stator magnetic block B (22) is opposite; Wherein, M1 and M2 are meant the magnetic line of force and trend thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100236059A CN102052404A (en) | 2011-01-21 | 2011-01-21 | Totally-enclosed magnetic circuit structure for magnetic suspension bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100236059A CN102052404A (en) | 2011-01-21 | 2011-01-21 | Totally-enclosed magnetic circuit structure for magnetic suspension bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102052404A true CN102052404A (en) | 2011-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100236059A Pending CN102052404A (en) | 2011-01-21 | 2011-01-21 | Totally-enclosed magnetic circuit structure for magnetic suspension bearing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967933A (en) * | 2014-05-14 | 2014-08-06 | 李泽 | Magnetic levitation bearing |
| CN111412177A (en) * | 2020-05-11 | 2020-07-14 | 山东省章丘鼓风机股份有限公司 | Horizontal multistage slurry pump |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08152022A (en) * | 1991-09-03 | 1996-06-11 | Allied Signal Inc | Superconducting bearing |
| JPH08178011A (en) * | 1994-12-28 | 1996-07-12 | Koyo Seiko Co Ltd | Flywheel device |
| JPH10131966A (en) * | 1996-10-30 | 1998-05-22 | Ebara Corp | Magnetic bearing device |
| JPH11325075A (en) * | 1998-05-13 | 1999-11-26 | Sankyo Seiki Mfg Co Ltd | Magnetic bearing |
| CN101571162A (en) * | 2008-05-04 | 2009-11-04 | 刘新广 | Non-equilibrium magnetic bearing |
-
2011
- 2011-01-21 CN CN2011100236059A patent/CN102052404A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08152022A (en) * | 1991-09-03 | 1996-06-11 | Allied Signal Inc | Superconducting bearing |
| JPH08178011A (en) * | 1994-12-28 | 1996-07-12 | Koyo Seiko Co Ltd | Flywheel device |
| JPH10131966A (en) * | 1996-10-30 | 1998-05-22 | Ebara Corp | Magnetic bearing device |
| JPH11325075A (en) * | 1998-05-13 | 1999-11-26 | Sankyo Seiki Mfg Co Ltd | Magnetic bearing |
| CN101571162A (en) * | 2008-05-04 | 2009-11-04 | 刘新广 | Non-equilibrium magnetic bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103967933A (en) * | 2014-05-14 | 2014-08-06 | 李泽 | Magnetic levitation bearing |
| CN111412177A (en) * | 2020-05-11 | 2020-07-14 | 山东省章丘鼓风机股份有限公司 | Horizontal multistage slurry pump |
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Application publication date: 20110511 |