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CN106451894A - High-speed permanent magnet motor using aerodynamic pressure foil bearings for supporting - Google Patents

High-speed permanent magnet motor using aerodynamic pressure foil bearings for supporting Download PDF

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Publication number
CN106451894A
CN106451894A CN201611104761.7A CN201611104761A CN106451894A CN 106451894 A CN106451894 A CN 106451894A CN 201611104761 A CN201611104761 A CN 201611104761A CN 106451894 A CN106451894 A CN 106451894A
Authority
CN
China
Prior art keywords
foil
bearing
permanent magnet
layers
magnet motor
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.)
Pending
Application number
CN201611104761.7A
Other languages
Chinese (zh)
Inventor
舒行军
徐刚
肖永华
郑越青
蓝河
张连新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Mechanical Manufacturing Technology of CAEP
Original Assignee
Institute of Mechanical Manufacturing Technology of CAEP
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute of Mechanical Manufacturing Technology of CAEP filed Critical Institute of Mechanical Manufacturing Technology of CAEP
Priority to CN201611104761.7A priority Critical patent/CN106451894A/en
Publication of CN106451894A publication Critical patent/CN106451894A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/161Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2706Inner rotors
    • H02K1/272Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278Surface mounted magnets; Inset magnets
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/24Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Support Of The Bearing (AREA)

Abstract

The invention discloses a high-speed permanent magnet motor using aerodynamic pressure foil bearings for supporting. The high-speed permanent magnet motor comprises two first air-suspending bearings and two second air-suspending bearings, wherein each first air-suspending bearing comprises a bearing seat, a tubular bump foil layer and a tubular flat foil layer matched with the bearing seat are respectively arranged on the inner side of each bearing seat, and when a motor rotor rotates, natural aerodynamic bearing air films can be formed in the bearings to enable the aerodynamic pressure foil bearings to support the motor rotor. The high-speed permanent magnet motor using the aerodynamic pressure foil bearings for supporting has the advantages that the rotating speed can range from 6000rpm to 90000rpm, the motor power can range from 150w to 200kw, processing, manufacturing and assembly are simple, no lubricating oil system or extra air supplying system is needed, low cost is realized, and applicability to various high-rotating-speed turbine machines is realized, and problems of the high-speed motors supported by the bearings are solved.

Description

The high-speed permanent magnet motor being supported using air hydrodynamic foil bearing
Technical field
The present invention relates to a kind of bearing in the case of high-speed permanent magnet motor.It is more particularly related to a kind of use The high-speed permanent magnet motor being supported using air hydrodynamic foil bearing in the case of high-speed permanent magnet motor.
Background technology
Hydrodynamic gas-lubricated bearing is different according to the direction limiting rotor displacement, is divided into kinetic pressure gas journal bearing and kinetic pressure gas Thrust bearing, wherein kinetic pressure gas journal bearing limit rotor radial displacement and undertake load from radial direction, and kinetic pressure gas Thrust bearing limits rotor axial displacement and undertakes from axial load.
The rotating speed of high-speed permanent magnet motor up to tens of thousands of even hundreds of thousands typically per minute turn, compared with common motor Relatively, remove mechanical driving device, to reduce equipment volume, save maintenance cost, improve running precision and operational efficiency, there is work( Rate density is big, rotary inertia is little, lightweight, response quickly the advantages of so as to be widely used in many fields.
But, want preferably to play the high speed characteristics of high-speed permanent magnet motor it is necessary to the support solving high-speed electric expreess locomotive is asked Topic.Conventional high-speed permanent magnet motor spring bearing mainly has high-accuracy mechanical bearing, magnetic suspension bearing, aerostatic bearing, glossy Sliding sliding bearing etc., high-accuracy mechanical bearing has that process and assemble and its precision, service life are short, need periodically to add lubrication Oily the problems such as;Magnetic suspension bearing haves such problems as that complex structure, control are complicated, reliability is poor, processing is higher with assembly precision; Aerostatic bearing needs extra compressed air source unit, the problems such as processing, assembly precision are very high simultaneously;The sliding bearing of oil lubrication There is oil seal and reveal, process and the higher problem of assembly precision.
Content of the invention
It is an object of the invention to solving at least the above and/or defect, and provide at least will be described later excellent Point.
It is a still further object of the present invention to provide a kind of high-speed permanent magnetic electricity being supported using air hydrodynamic foil bearing Machine, air hydrodynamic bearing is combined by it with the rotor of high-speed permanent magnet motor, forms a kind of air hydrodynamic foil bearing and props up The high-speed permanent magnet motor of support, its rotating speed can be from 6000rpm to 90000rpm, and power of motor can process system from 150w to 200kw Make, assemble relatively simple, without lubricating oil system and extra air supply system, with low cost, can be widely used in multiclass In high-speed rotation turbomachinery, preferably solve the problems, such as the high-speed electric expreess locomotive of above-mentioned bearings.
In order to realize according to object of the present invention and further advantage, there is provided one kind adopts air hydrodynamic foil bearing The high-speed permanent magnet motor being supported is it is characterised in that include:
2 the first gas suspension bearings matching with the radial direction of rotor;
2 the second gas suspension bearings matching with the axial direction of rotor;
Wherein, each described first gas suspension bearing all includes bearing block, and the inner side of described bearing block is provided with and its phase The tubular ripple layers of foil of cooperation and the flat layers of foil of tubular, are carried with forming natural air hydrodynamic in bearing when rotor rotates Air film, realizes the air hydrodynamic foil bearing to rotor and supports.
Preferably, wherein, each described second gas suspension bearing all includes thrust shaft block, and be matched therewith Thrust bearing;
Wherein, described thrust bearing includes ring shaped substrate, and the ripple layers of foil peace layers of foil being disposed thereon, described thrust The outward flange of bearing is provided with multiple fixed parts.
Preferably, wherein, described ripple layers of foil includes at least three and is arranged on end liner, and the first wave in sector structure Paillon foil;
Described flat layers of foil includes being arranged on end liner, and the first flat paillon foil matching with first wave paillon foil.
Preferably, wherein, described tubular ripple layers of foil, the flat layers of foil of tubular are respectively provided with a fixation extending its respective body End.
Preferably, wherein, each described tubular ripple layers of foil is enclosed by the second ripple paillon foil and forms;
Described second ripple paillon foil includes multiple continuous arc convex, and has a mistake between arc convex adjacent two-by-two Cross portion, and there is between described anchor portion and the second ripple paillon foil one first extension.
Preferably, wherein, the flat layers of foil of each described tubular is enclosed by the second flat paillon foil and forms;
It is configured with the second extension and curved transition sections between described second flat paillon foil and anchor portion.
Preferably, wherein, described tubular ripple layers of foil, the flat layers of foil of tubular, ripple layers of foil peace layers of foil are both configured to adopt GH145 or beryllium green grass or young crops cylinder material.
Preferably, wherein, each described second gas suspension bearing also includes matching with thrust shaft block and thrust bearing That closes waits epipodium.
Preferably, wherein, described rotor includes arranging the thrust button of its live spindle front end or rear end, described electricity It is provided with magnet steel by the way of interference fit, described magnet steel is configured to surface-mount type structure or interpolation type knot outside machine rotor Structure.
Preferably, wherein, motor housing and motor inner shell are also included;Arrange between described motor housing and motor inner shell There is cellular damping layer, in the internal void of described damping layer, be respectively arranged with the grating filter screen of flexibility, described grid mistake Filter screen is arranged to there is a curved-surface structure.
The present invention at least includes following beneficial effect:The present invention is by the rotor of air hydrodynamic bearing and high-speed permanent magnet motor Combine, form the high-speed permanent magnet motor that a kind of air hydrodynamic foil bearing supports, its rotating speed can from 6000rpm to 90000rpm, power of motor can be from 150w to 200kw, and processing and manufacturing, assembling are relatively simple, without lubricating oil system and extra Air supply system, with low cost, can be widely used in multiclass high-speed rotation turbomachinery, preferably solve above-mentioned bearing The problem that the high-speed electric expreess locomotive supporting exists.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will be by this Invention research and practice and be understood by the person skilled in the art.
Brief description
Fig. 1 is the high-speed permanent magnet motor being supported using air hydrodynamic foil bearing in one embodiment of the present of invention Cross section structure schematic diagram;
Fig. 2 is the cross section structure schematic diagram of the first gas suspension bearing in one embodiment of the present of invention;
Fig. 3 is two kinds of structural representations of tubular ripple layers of foil in one embodiment of the present of invention;
Fig. 4 is the structural representation of the flat layers of foil of tubular in one embodiment of the present of invention;
Fig. 5 is the structural representation of thrust bearing in one embodiment of the present of invention;
Fig. 6 is the cross section structure schematic diagram of one embodiment of the present of invention medium wave paillon foil
Fig. 7 is the partial enlargement structural representation of Fig. 6;
Wherein, in Fig. 1 each label be respectively:1- motor stator;2- rotor;3- right-hand member radial support bearing;4- Left end radial support bearing;5- motor inner housing;6- motor housing body;7- right-hand member pivot flange;8- left end support flange;9- stops Push-plate;10- uniform thickness ring;11- left end thrust shaft block;12- lock-screw;
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition Word can be implemented according to this.
It should be appreciated that used herein such as " have ", "comprising" and " inclusion " term do not allot one or many The presence of individual other element or a combination thereof or interpolation.
Fig. 1-4 shows a kind of high-speed permanent magnet motor being supported using air hydrodynamic foil bearing according to the present invention Way of realization, including:
2 the first gas suspension bearings 3,4 matching with the radial direction of rotor;
2 the second gas suspension bearings matching with the axial direction of rotor;
Wherein, each described first gas suspension bearing all includes bearing block 15, and the inner side of described bearing block is provided with and it The tubular ripple layers of foil 16 matching and the flat layers of foil of tubular 17, are moved with forming natural air in bearing when rotor rotates Pressure carries air film, realizes the air hydrodynamic foil bearing to rotor and supports.High-speed electric expreess locomotive using this scheme is mainly tied Structure comprises:2 radial direction gas suspension bearings, 2 axial gas suspension thrust bearings, motor stator 1, rotor 2, pivot flange 7, 8th, motor housing 6 etc.;Hydrodynamic gas-lubricated bearing is different according to the direction limiting rotor displacement, is divided into kinetic pressure gas journal bearing and moves Pressure gas lubricated thrust bearing, wherein kinetic pressure gas journal bearing limit rotor radial displacement and undertake load from radial direction, and high Speed motor radial direction gas suspension bearing comprise bearing block, radial wave paper tinsel (Fig. 3), radially flat paper tinsel (Fig. 4) and fixing three other Finding, radial wave paper tinsel all can adopt GH145 or beryllium-bronze material with radially flat paper tinsel;High-speed electric expreess locomotive can to the cooling of electrode stator To adopt water-cooling pattern, it would however also be possible to employ air-cooled form, it adopts this scheme to make the support phase in its axial direction for motor Stator and rotor combine, and have carried out the design of integration so that it forms nature in bearing when rotor rotates Air hydrodynamic carry air film, it overcomes high-accuracy mechanical bearing simultaneously and there is process and assemble for prior art And its accurate, service life is short, need the problem of regular oil addition;Magnetic suspension bearing exist complex structure, control complicated, Reliability is poor, processing and the higher problem of assembly precision;Aerostatic bearing needs extra compressed air source unit, processing simultaneously, The very high problem of assembly precision;And the sliding bearing of oil lubrication there is also oil seal and reveal, processing higher with assembly precision Problem, its by air hydrodynamic bearing is combined with the rotor of high-speed permanent magnet motor, integrated design, formed a kind of empty Pneumatic pressure foil bearing support high-speed permanent magnet motor, rotating speed can from 6000rpm to 90000rpm, power of motor can from 150w to 200kw, processing and manufacturing, assembling are relatively simple, without lubricating oil system and extra air supply system, with low cost, can be wide General apply in multiclass high-speed rotation turbomachinery, preferably solve the problems, such as the high-speed electric expreess locomotive of above-mentioned bearings, Have can implementation result good, strong operability, adaptability is good, the controlled benefit of cost.And, this mode be one kind relatively The explanation of good example, but be not limited thereto.When implementing the present invention, suitable replacement can be carried out according to user demand And/or modification.
As shown in figure 5, in another kind of example, each described second gas suspension bearing all includes thrust shaft block 11, with And the thrust bearing 18 being matched therewith;
Wherein, described thrust bearing includes ring shaped substrate 19, and the peaceful layers of foil 21 of ripple layers of foil 20 being disposed thereon, institute The outward flange stating thrust bearing is provided with multiple fixed parts 22.Kinetic pressure gas thrust bearing using this scheme limits armature spindle To displacement and undertake from axial load, high-speed electric expreess locomotive axial direction gas suspension bearing comprise thrust shaft block, etc. epipodium 10, thrust The parts such as bearing (Fig. 4), thrust bearing comprises thrust ripple paillon foil, the flat paillon foil of thrust, thrust substrate etc., in order to axial direction on Two gas suspension bearings cooperate, being axially and radially supported respectively and limiting to rotor, have and can implement to imitate Really good, the benefit of good reliability.And, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.? When implementing the present invention, suitable replacement and/or modification can be carried out according to user demand.
As shown in figure 5, in another kind of example, described ripple layers of foil includes at least three and is arranged on end liner, and in sector The first wave paillon foil of structure;
Described flat layers of foil includes being arranged on end liner, and the first flat paillon foil matching with first wave paillon foil.Using this Scheme can be according to design and axially loaded size, and thrust ripple paillon foil and the flat paillon foil of thrust can be 3,4,6,8 etc., with The different use environment of adaptability needs, and having can good, the workable benefit of implementation result.And, this mode A kind of simply explanation of preferred embodiments, but be not limited thereto.When implementing the present invention, can be fitted according to user demand When replacement and/or modification.
As shown in Figure 3-4, in another kind of example, described tubular ripple layers of foil, the flat layers of foil of tubular are respectively provided with one and extend it Each anchor portion 23 of body.Its cooperation peace with other structures such as bearing block is realized by anchor portion using this scheme Dress is fixed, and having can good, the workable benefit of implementation result.And, this mode is a kind of preferred embodiments Illustrate, but be not limited thereto.When implementing the present invention, suitable replacement and/or modification can be carried out according to user demand.
As shown in Figure 2,6, in another kind of example, each described tubular ripple layers of foil is enclosed by the second ripple paillon foil and forms;
Described second ripple paillon foil includes multiple continuous arc convex 24, and has one between arc convex adjacent two-by-two Transition part 25, for constituting resilient support between flat paper tinsel and bearing block inwall, and described anchor portion and the second ripple paillon foil it Between there is one first extension 26, its provide an installation portion.Using this scheme, the second wave plate structure is specifically limited, So that it is in the needs adapting to different installation environments, it, as elastic support structure, is supplied to rotor one elasticity simultaneously Support force, have can implementation result good, strong adaptability, the benefit of good stability.And, this mode is that one kind is preferably real The explanation of example, but be not limited thereto.Implement the present invention when, can according to user demand carry out suitable replacement and/or Modification.
As shown in Fig. 2 in another kind of example, the flat layers of foil of each described tubular is enclosed by the second flat paillon foil and forms;
It is configured with the second extension 27 and curved transition sections 28, it is used for carrying between described second flat paillon foil and anchor portion For an installation portion.Adopt this scheme adapting to its installation needs with other firmwares, have can implementation result good, operability Strong benefit.And, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.Implementing the present invention When, suitable replacement and/or modification can be carried out according to user demand.
In another kind of example, described tubular ripple layers of foil, the flat layers of foil of tubular, ripple layers of foil peace layers of foil are both configured to adopt GH145 or beryllium green grass or young crops cylinder material.Using this scheme, the material of ripple layers of foil, flat layers of foil is defined, so that have can implementation result Good, long service life, the benefit of good stability.A kind of and, this mode is explanation of preferred embodiments, but not office It is limited to this.When implementing the present invention, suitable replacement and/or modification can be carried out according to user demand.
As shown in figure 1, in another kind of example, each described second gas suspension bearing also includes and thrust shaft block and only What thrust bearing matched waits epipodium 10.The epipodium accessory that waits using this scheme is matched with thrust shaft block and thrust bearing, To adapt to the needs of use environment, have that adaptability is good, highly reliable benefit.And, this mode be one kind relatively The explanation of good example, but be not limited thereto.When implementing the present invention, suitable replacement can be carried out according to user demand And/or modification.
As shown in figure 1, in another kind of example, described rotor include arranging its live spindle front end or rear end only Push-plate 9, is provided with magnet steel 14 by the way of interference fit outside described rotor, described magnet steel is configured to surface-mount type knot Structure or interpolation type structure.One part can be fabricated separately into using the high speed rotor of motor magnet steel of this scheme, with electricity at a high speed Machine rotor mandrel 13 interference fit;High speed rotor of motor magnet steel can adopt surface-mount type structure, it would however also be possible to employ interpolation type structure, High speed rotor of motor comprises 1 thrust button 9, and thrust button can need to be arranged on front end or the rear end of live spindle according to design A part, has strong adaptability, good reliability, the strong benefit of stability.And, this mode is a kind of preferred embodiments Explanation, but be not limited thereto.When implementing the present invention, suitable replacement can be carried out according to user demand and/or repair Change.
As shown in figure 1, in another kind of example, also including motor housing and motor inner shell 5;Described motor housing and motor It is provided with cellular damping layer between inner shell, it is used for absorbing in rotor work process and vibrates with being produced, described subtract Shake layer internal void in be respectively arranged with the grating filter screen of flexibility, it is used for absorbing in rotor work process and is produced Noise, described grating filter screen is arranged to have a curved-surface structure that it is used for increasing sound-absorbing area, and described curved-surface structure can It is configured to taper, semicircular arc, waveform etc..Using this scheme have can implementation result good, adaptable favourable it Place.And, this mode is a kind of explanation of preferred embodiments, but is not limited thereto.When implementing the present invention, can basis User demand carries out suitable replacement and/or modification.
Number of devices described herein and treatment scale are used to simplify the explanation of the present invention.To the present invention using empty The application of the high-speed permanent magnet motor that Pneumatic pressure foil bearing is supported, modifications and variations are to one skilled in the art Obviously.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in description and embodiment With.It can be applied to various suitable the field of the invention completely.For those skilled in the art, can be easily Realize other modification.Therefore under the general concept being limited without departing substantially from claim and equivalency range, the present invention does not limit In specific details with shown here as the legend with description.

Claims (10)

1. a kind of high-speed permanent magnet motor being supported using air hydrodynamic foil bearing is it is characterised in that include:
2 the first gas suspension bearings matching with the radial direction of rotor;
2 the second gas suspension bearings matching with the axial direction of rotor;
Wherein, each described first gas suspension bearing all includes bearing block, and the inner side of described bearing block is provided with and is matched therewith Tubular ripple layers of foil and the flat layers of foil of tubular, carry gas to form natural air hydrodynamic in bearing when rotor rotates Film, realizes the air hydrodynamic foil bearing to rotor and supports.
2. the high-speed permanent magnet motor that is supported using air hydrodynamic foil bearing as claimed in claim 1 it is characterised in that Each described second gas suspension bearing all includes thrust shaft block, and the thrust bearing being matched therewith;
Wherein, described thrust bearing includes ring shaped substrate, and the ripple layers of foil peace layers of foil being disposed thereon, described thrust bearing Outward flange be provided with multiple fixed parts.
3. the high-speed permanent magnet motor that is supported using air hydrodynamic foil bearing as claimed in claim 2 it is characterised in that Described ripple layers of foil includes at least three and is arranged on end liner, and the first wave paillon foil in sector structure;
Described flat layers of foil includes being arranged on end liner, and the first flat paillon foil matching with first wave paillon foil.
4. the high-speed permanent magnet motor that is supported using air hydrodynamic foil bearing as claimed in claim 1 it is characterised in that Described tubular ripple layers of foil, the flat layers of foil of tubular are respectively provided with an anchor portion extending its respective body.
5. the high-speed permanent magnet motor that is supported using air hydrodynamic foil bearing as claimed in claim 4 it is characterised in that Each described tubular ripple layers of foil is enclosed by the second ripple paillon foil and forms;
Described second ripple paillon foil includes multiple continuous arc convex, and has a transition between arc convex adjacent two-by-two There is between portion, and described anchor portion and the second ripple paillon foil one first extension.
6. the high-speed permanent magnet motor that is supported using air hydrodynamic foil bearing as claimed in claim 1 it is characterised in that The flat layers of foil of each described tubular is enclosed by the second flat paillon foil and forms;
It is configured with the second extension and curved transition sections between described second flat paillon foil and anchor portion.
7. the high-speed permanent magnet motor that is supported using air hydrodynamic foil bearing as claimed in claim 2 it is characterised in that Described tubular ripple layers of foil, the flat layers of foil of tubular, ripple layers of foil peace layers of foil are both configured to using GH145 or beryllium green grass or young crops cylinder material.
8. the high-speed permanent magnet motor that is supported using air hydrodynamic foil bearing as claimed in claim 2 it is characterised in that What each described second gas suspension bearing also included matching with thrust shaft block and thrust bearing etc. epipodium.
9. the high-speed permanent magnet motor that is supported using air hydrodynamic foil bearing as claimed in claim 1 it is characterised in that Described rotor includes arranging the thrust button of its live spindle front end or rear end, adopts interference fit outside described rotor Mode be provided with magnet steel, described magnet steel is configured to surface-mount type structure or interpolation type structure.
10. the high-speed permanent magnet motor being supported using air hydrodynamic foil bearing as claimed in claim 1, its feature exists In also including motor housing and motor inner shell;It is provided with cellular damping layer, institute between described motor housing and motor inner shell It is respectively arranged with the grating filter screen of flexibility, described grating filter screen is arranged to there is a song in the internal void stating damping layer Face structure.
CN201611104761.7A 2016-12-05 2016-12-05 High-speed permanent magnet motor using aerodynamic pressure foil bearings for supporting Pending CN106451894A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN110107590A (en) * 2018-08-15 2019-08-09 稳力(广东)科技有限公司 A kind of foil bearing for high speed rotor
CN110594286A (en) * 2019-08-30 2019-12-20 广州市昊志机电股份有限公司 Foil gas dynamic pressure bearing and high-speed motor
CN110594285A (en) * 2019-08-30 2019-12-20 广州市昊志机电股份有限公司 Gas dynamic pressure bearing and high-speed motor
CN111864971A (en) * 2020-08-14 2020-10-30 奚志娴 Motor with anti-shake shock-absorbing function
CN113007209A (en) * 2021-02-07 2021-06-22 北京伯肯当代氢燃料电池实验室有限公司 High-heat-dissipation-rate foil type radial bearing, combined bearing and bearing heat management method
CN116972067A (en) * 2023-09-25 2023-10-31 天津飞旋科技股份有限公司 Dynamic and static pressure mixed foil bearing and shafting

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CN206211732U (en) * 2016-12-05 2017-05-31 中国工程物理研究院机械制造工艺研究所 The high-speed permanent magnet motor being supported using air hydrodynamic foil bearing

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CN101709747A (en) * 2009-11-17 2010-05-19 西安交通大学 Foil dynamical pressure radial air journal bearing with backward wave foil support
CN102434580A (en) * 2011-11-04 2012-05-02 武汉航达航空科技发展有限公司 Elastic support device for foil dynamic bearing and manufacturing method thereof
CN103291745A (en) * 2013-05-29 2013-09-11 南京航空航天大学 Separated-type wave foil dynamic pressure gas thrust bearing
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110107590A (en) * 2018-08-15 2019-08-09 稳力(广东)科技有限公司 A kind of foil bearing for high speed rotor
CN110594286A (en) * 2019-08-30 2019-12-20 广州市昊志机电股份有限公司 Foil gas dynamic pressure bearing and high-speed motor
CN110594285A (en) * 2019-08-30 2019-12-20 广州市昊志机电股份有限公司 Gas dynamic pressure bearing and high-speed motor
CN110594286B (en) * 2019-08-30 2021-04-30 广州市昊志机电股份有限公司 Foil gas dynamic pressure bearing and high-speed motor
CN111864971A (en) * 2020-08-14 2020-10-30 奚志娴 Motor with anti-shake shock-absorbing function
CN111864971B (en) * 2020-08-14 2021-06-15 苏州赛荣建筑装饰工程有限公司 Motor with anti-shake shock-absorbing function
CN113206569A (en) * 2020-08-14 2021-08-03 奚志娴 Motor with anti-shake shock-absorbing function
CN113206569B (en) * 2020-08-14 2023-04-11 浙江中龙电机股份有限公司 Motor with anti-shake shock-absorbing function
CN113007209A (en) * 2021-02-07 2021-06-22 北京伯肯当代氢燃料电池实验室有限公司 High-heat-dissipation-rate foil type radial bearing, combined bearing and bearing heat management method
CN116972067A (en) * 2023-09-25 2023-10-31 天津飞旋科技股份有限公司 Dynamic and static pressure mixed foil bearing and shafting
CN116972067B (en) * 2023-09-25 2023-11-28 天津飞旋科技股份有限公司 Dynamic and static pressure mixed foil bearing and shafting

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Application publication date: 20170222