JP6802028B2 - 磁気的機械的ベアリングを備えた回転機械 - Google Patents
磁気的機械的ベアリングを備えた回転機械 Download PDFInfo
- Publication number
- JP6802028B2 JP6802028B2 JP2016198803A JP2016198803A JP6802028B2 JP 6802028 B2 JP6802028 B2 JP 6802028B2 JP 2016198803 A JP2016198803 A JP 2016198803A JP 2016198803 A JP2016198803 A JP 2016198803A JP 6802028 B2 JP6802028 B2 JP 6802028B2
- Authority
- JP
- Japan
- Prior art keywords
- bearing
- rotor shaft
- rotating machine
- axial
- stator
- 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.)
- Active
Links
- 230000005291 magnetic effect Effects 0.000 title claims description 51
- 238000005096 rolling process Methods 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
Images
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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
- F16C19/12—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly for supporting the end face of a shaft or other member, e.g. footstep bearings
-
- 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
- F16C32/0402—Bearings not otherwise provided for using magnetic or electric supporting means combined with other supporting means, e.g. hybrid bearings with both magnetic and fluid supporting means
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
- F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep bearings
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
-
- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/50—Other types of ball or roller bearings
-
- 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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
-
- 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
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0476—Active magnetic bearings for rotary movement with active support of one degree of freedom, e.g. axial magnetic bearings
-
- 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
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/048—Active magnetic bearings for rotary movement with active support of two degrees of freedom, e.g. radial magnetic bearings
-
- 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
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0487—Active magnetic bearings for rotary movement with active support of four degrees of freedom
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/55—Flywheel systems
-
- 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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/04—Ball or roller bearings, e.g. with resilient rolling bodies
-
- 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
- F16C32/044—Active magnetic bearings
- F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/03—Machines characterised by thrust bearings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Motor Or Generator Frames (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Support Of The Bearing (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Description
12 固定子
16 回転子シャフト
16b 端部
18 固定子ケーシング
20 径方向の磁気的ベアリング
22 径方向の磁気的ベアリング
24 軸線方向の機械的なスラストベアリング
24a 転がり部材
30 軸線方向の機械的なスラストベアリング
32 転がり部材
34 ベアリング
36 固定子プレート
38 弾性手段
X−X 回転軸線
Claims (10)
- 回転機械(10)であって、
固定子ケーシング(18)を有した固定子(12)と;
回転軸線(X−X)を有した回転子シャフト(16)であるとともに、少なくとも1つの径方向の磁気的ベアリング(20,22)によって前記固定子ケーシング(18)内に支持された回転子シャフト(16)と;
を具備してなり、
前記回転機械(10)が、前記回転子シャフト(16)の一方の端部(16b)の径方向表面の近傍に、軸線方向の機械的なスラストベアリング(24,30)を具備し、
前記軸線方向の機械的なスラストベアリング(24,30)が、前記回転子シャフト(16)の前記回転軸線(X−X)上に配置された転がり部材(24a,32)を有しており、
前記軸線方向の機械的なスラストベアリング(30)が、前記回転子シャフト(16)の前記端部(16a)に対して軸線方向において接触しているとともに、固定子プレート(36)と前記回転子シャフト(16)の前記端部(16b)との間に設置されたベアリング(34)を有し、
前記ベアリング(34)が、前記回転子シャフトの重量を支持し得るものとされ、
前記固定子プレート(36)が、転がり部材(32)によって支持されている、
ことを特徴とする回転機械。 - 請求項1記載の回転機械において、
前記固定子プレート(36)が、弾性手段(38)を介して前記固定子ケーシング(18)に対して固定されている、
ことを特徴とする回転機械。 - 請求項2記載の回転機械において、
前記弾性手段(38)が、少なくとも3つのスプリングを有し、
各スプリングが、前記固定子プレート(36)の外周縁と、前記固定子ケーシング(18)の内周縁(18d)との間で固定されている、
ことを特徴とする回転機械。 - 請求項2記載の回転機械において、
前記弾性手段が、前記固定子プレートを径方向に取り囲むO−リングを有している、
ことを特徴とする回転機械。 - 請求項2〜4のいずれか1項に記載の回転機械において、
前記ベアリング(34)が、前記固定子プレート(36)上に設置された内側リング(34a)と、前記回転子シャフト(16)の前記端部(16b)の径方向表面上に設置された外側リング(34b)と、前記内側リング(34a)と前記外側リング(34b)との間に配置された少なくとも1つの列をなす複数の転がり部材(34c,34d)と、を有している、
ことを特徴とする回転機械。 - 請求項5記載の回転機械において、
前記ベアリング(34)が、前記内側リング(34a)と前記外側リング(34b)との間に配置された環状列をなす複数の転がり部材(34c,34d)を有している、
ことを特徴とする回転機械。 - 請求項1〜6のいずれか1項に記載の回転機械において、
前記回転子シャフト(16)の前記回転軸線(X−X)上に配置された前記転がり部材(24a,32)が、ボールである、
ことを特徴とする回転機械。 - 請求項1〜7のいずれか1項に記載の回転機械において、
上側の径方向タッチダウンベアリング(26)および下側の径方向タッチダウンベアリング(28)を具備し、
これにより、前記径方向の磁気的ベアリング(20,22)の故障時に、前記回転子シャフト(16)を径方向において支持することができる、
ことを特徴とする回転機械。 - 請求項1〜8のいずれか1項に記載の回転機械において、
2つの径方向の磁気的ベアリング(20,22)を具備している、
ことを特徴とする回転機械。 - 請求項1〜9のいずれか1項に記載の回転機械において、
軸線方向の磁気的ベアリングを具備し、
前記軸線方向の機械的なスラストベアリング(24,30)が、前記軸線方向の磁気的ベアリングの故障時に、前記回転子シャフト(16)の前記端部(16b)に対して軸線方向において接触するものとされている、
ことを特徴とする回転機械。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15306587.5A EP3154166B1 (en) | 2015-10-08 | 2015-10-08 | Rotary machine having magnetic and mechanical bearings |
EP15306587.5 | 2015-10-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017072251A JP2017072251A (ja) | 2017-04-13 |
JP6802028B2 true JP6802028B2 (ja) | 2020-12-16 |
Family
ID=54695634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016198803A Active JP6802028B2 (ja) | 2015-10-08 | 2016-10-07 | 磁気的機械的ベアリングを備えた回転機械 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10260558B2 (ja) |
EP (1) | EP3154166B1 (ja) |
JP (1) | JP6802028B2 (ja) |
CN (1) | CN106958586B (ja) |
CA (1) | CA2940967C (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2808551B1 (en) * | 2013-05-30 | 2020-01-08 | Nuovo Pignone S.r.l. | Rotating machine with at least one active magnetic bearing and auxiliary rolling bearings |
US10174762B1 (en) * | 2017-09-20 | 2019-01-08 | Upwing Energy, LLC | Sealless downhole system with magnetically supported rotor |
CN110821951B (zh) * | 2018-08-09 | 2023-02-10 | 博格华纳公司 | 支承*** |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2651550A (en) * | 1950-03-06 | 1953-09-08 | Sangamo Electric Co | Magnetic bearing suspension for electric measuring instruments |
FR1509938A (fr) * | 1966-06-27 | 1968-01-19 | Rateau Soc | Perfectionnement aux butées axiales de machines tournantes et butée hydromagnétique |
US3575536A (en) * | 1969-02-07 | 1971-04-20 | Jet Spray Cooler Inc | Pump for beverage dispenser |
SE336483B (ja) * | 1969-03-19 | 1971-07-05 | Aga Ab | |
AT305778B (de) * | 1970-09-11 | 1973-03-12 | Standard Magnet Ag | Kreiselpumpe |
DE2248695A1 (de) * | 1972-10-04 | 1974-04-11 | Skf Kugellagerfabriken Gmbh | Lagerung fuer mit hoher drehzahl rotierende wellen |
US4303281A (en) * | 1977-05-23 | 1981-12-01 | Irby Holcomb B | Magnetic ball thrust bearing |
DE3239328C2 (de) * | 1982-10-23 | 1993-12-23 | Pfeiffer Vakuumtechnik | Magnetisch gelagerte Turbomolekularpumpe mit Schwingungsdämpfung |
NL8502058A (nl) * | 1985-07-17 | 1987-02-16 | Philips Nv | Electrische machine met magnetische lagervoorzieningen. |
JPH06100225B2 (ja) * | 1991-03-15 | 1994-12-12 | 光洋精工株式会社 | 超電導軸受装置 |
JPH058033U (ja) * | 1991-07-17 | 1993-02-02 | 株式会社三ツ葉電機製作所 | 軸受装置 |
US6019319A (en) * | 1996-02-08 | 2000-02-01 | Falbel; Gerald | Momentum wheel energy storage system using magnetic bearings |
US5840070A (en) * | 1996-02-20 | 1998-11-24 | Kriton Medical, Inc. | Sealless rotary blood pump |
JP3138696B2 (ja) * | 1998-03-12 | 2001-02-26 | 日本電産コパル電子株式会社 | 軸受構造 |
DE19827606A1 (de) * | 1998-06-20 | 1999-12-23 | Schlafhorst & Co W | Lageranordnung für eine Offenend-Spinnvorrichtung |
FR2785734A1 (fr) * | 1998-11-05 | 2000-05-12 | Aerospatiale | Dispositif magnetique pour corps tournant et ensemble mecanique le comportant |
US6026103A (en) * | 1999-04-13 | 2000-02-15 | Cymer, Inc. | Gas discharge laser with roller bearings and stable magnetic axial positioning |
US6686673B1 (en) * | 1999-05-21 | 2004-02-03 | Sumitomo Electric Industries, Ltd. | Bearing structures, spindle motor, and hard disk drive |
JP2002218702A (ja) * | 2001-01-12 | 2002-08-02 | Nsk Ltd | ファンモータ |
US7259492B2 (en) * | 2001-09-27 | 2007-08-21 | Tai-Her Yang | Rotor axial activation modulation of electric machinery due to reverse torque |
SE0200014L (sv) * | 2002-01-04 | 2003-07-05 | Olov Hagstroem | Magnetiskt radiallagrad rotoranordning |
TWI249899B (en) * | 2004-02-20 | 2006-02-21 | Delta Electronics Inc | Magnetic-bearing motor and magnetic-bearing thereof |
JP2006112505A (ja) * | 2004-10-14 | 2006-04-27 | Hitachi Global Storage Technologies Netherlands Bv | 軸受機構、キャリッジアセンブリ及び磁気ディスク装置 |
CA2882798C (en) * | 2012-08-23 | 2018-10-09 | Amber Kinetics, Inc. | Apparatus and method for magnetically unloading a rotor bearing |
US10240660B2 (en) * | 2013-08-22 | 2019-03-26 | Amber Kinetics, Inc. | Safe assembly and installation of a flywheel |
CN203098288U (zh) * | 2012-12-18 | 2013-07-31 | 珠海格力电器股份有限公司 | 一种立式旋转压缩机的止推连接结构 |
CN103790962A (zh) * | 2014-01-14 | 2014-05-14 | 北京良明同创水处理设备开发中心 | 磁斥力悬浮轴承单元 |
JP6627400B2 (ja) * | 2014-11-03 | 2020-01-08 | 株式会社デンソー | 電動モータ、制御装置、およびモータ制御システム |
EP3179612B1 (en) * | 2015-12-10 | 2018-03-28 | Skf Magnetic Mechatronics | Device for detecting the axial position of a rotor shaft and its application to a rotary machine |
EP3179611B1 (en) * | 2015-12-10 | 2018-06-27 | Skf Magnetic Mechatronics | Balancing method for balancing at high speed a rotor of a rotary machine |
-
2015
- 2015-10-08 EP EP15306587.5A patent/EP3154166B1/en active Active
-
2016
- 2016-09-02 CA CA2940967A patent/CA2940967C/en active Active
- 2016-10-04 US US15/285,030 patent/US10260558B2/en active Active
- 2016-10-07 JP JP2016198803A patent/JP6802028B2/ja active Active
- 2016-10-08 CN CN201610879079.9A patent/CN106958586B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN106958586B (zh) | 2020-08-04 |
EP3154166A1 (en) | 2017-04-12 |
CA2940967A1 (en) | 2017-04-08 |
US20170102030A1 (en) | 2017-04-13 |
CA2940967C (en) | 2023-08-08 |
US10260558B2 (en) | 2019-04-16 |
CN106958586A (zh) | 2017-07-18 |
EP3154166B1 (en) | 2022-11-30 |
JP2017072251A (ja) | 2017-04-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6624684B2 (ja) | 少なくとも1つの能動型磁気軸受および補助転がり軸受を有する回転機械 | |
RU2667567C2 (ru) | Вращающаяся машина (варианты) | |
JP6469379B2 (ja) | 磁気的に懸架されたロータシステムのためのボールベアリング型補助ベアリング | |
JP6802028B2 (ja) | 磁気的機械的ベアリングを備えた回転機械 | |
US20070217724A1 (en) | Electrical Machine and Its Bearings | |
CN107100932B (zh) | 轴向磁悬浮轴承、磁悬浮***及压缩机 | |
JP4952955B2 (ja) | 無励磁作動形電磁ブレーキおよびこれを備えたモータ | |
JP2010091106A (ja) | アキシアル荷重の影響を受けない非常用転がり軸受 | |
RU2581792C1 (ru) | Комбинированная опора | |
RU2605228C1 (ru) | Комбинированная опора | |
CN205622382U (zh) | 电机轴承预紧装置及电机 | |
JP7222329B2 (ja) | 軸受装置 | |
CN117307616B (zh) | 着陆轴承组件及旋转机械设备 | |
RU2561199C1 (ru) | Комбинировання опора | |
FI125642B (en) | Steerable bearing system and machine with the same bearing system | |
JP2010190274A (ja) | 転がり軸受装置及び転がり軸受の予圧方法 | |
JP2000350402A (ja) | 情報機器用小型モータ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190827 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20200811 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200824 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20201014 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20201102 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201126 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6802028 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |