KR102800581B1 - 자기 베어링, 이를 구비하는 구동 장치 및 펌프 - Google Patents

자기 베어링, 이를 구비하는 구동 장치 및 펌프 Download PDF

Info

Publication number
KR102800581B1
KR102800581B1 KR1020217025213A KR20217025213A KR102800581B1 KR 102800581 B1 KR102800581 B1 KR 102800581B1 KR 1020217025213 A KR1020217025213 A KR 1020217025213A KR 20217025213 A KR20217025213 A KR 20217025213A KR 102800581 B1 KR102800581 B1 KR 102800581B1
Authority
KR
South Korea
Prior art keywords
bearing
pair
magnetic
rotor member
rotor
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
Application number
KR1020217025213A
Other languages
English (en)
Korean (ko)
Other versions
KR20210134899A (ko
Inventor
토시키 오니두카
시니치로우 코리다
토시아키 카메이
타쿠야 세키
Original Assignee
가부시키가이샤 이와키
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 가부시키가이샤 이와키 filed Critical 가부시키가이샤 이와키
Publication of KR20210134899A publication Critical patent/KR20210134899A/ko
Application granted granted Critical
Publication of KR102800581B1 publication Critical patent/KR102800581B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606Canned motor pumps
    • F04D13/064Details of the magnetic circuit
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10Location thereof with respect to the patient's body
    • A61M60/122Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/196Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body replacing the entire heart, e.g. total artificial hearts [TAH]
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20Type thereof
    • A61M60/205Non-positive displacement blood pumps
    • A61M60/216Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40Details relating to driving
    • A61M60/403Details relating to driving for non-positive displacement blood pumps
    • A61M60/422Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M60/00Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80Constructional details other than related to driving
    • A61M60/802Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/818Bearings
    • A61M60/82Magnetic bearings
    • A61M60/822Magnetic bearings specially adapted for being actively controlled
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/021Units comprising pumps and their driving means containing a coupling
    • F04D13/024Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0606Canned motor pumps
    • F04D13/0633Details of the bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0673Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/041Axial thrust balancing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/04Shafts or bearings, or assemblies thereof
    • F04D29/046Bearings
    • F04D29/048Bearings magnetic; electromagnetic
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0459Details of the magnetic circuit
    • F16C32/0461Details of the magnetic circuit of stationary parts of the magnetic circuit
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0459Details of the magnetic circuit
    • F16C32/0461Details of the magnetic circuit of stationary parts of the magnetic circuit
    • F16C32/0465Details of the magnetic circuit of stationary parts of the magnetic circuit with permanent magnets provided in the magnetic circuit of the electromagnets
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0474Active magnetic bearings for rotary movement
    • F16C32/0487Active magnetic bearings for rotary movement with active support of four degrees of freedom
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0474Active magnetic bearings for rotary movement
    • F16C32/0493Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor
    • F16C32/0495Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor generating torque and axial force
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0474Active magnetic bearings for rotary movement
    • F16C32/0493Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor
    • F16C32/0497Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor generating torque and radial force
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/08Structural association with bearings
    • H02K7/09Structural association with bearings with magnetic bearings
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K7/00Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2316/00Apparatus in health or amusement
    • F16C2316/10Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
    • F16C2316/18Pumps for pumping blood
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0444Details of devices to control the actuation of the electromagnets
    • F16C32/0446Determination of the actual position of the moving member, e.g. details of sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0459Details of the magnetic circuit
    • F16C32/0468Details of the magnetic circuit of moving parts of the magnetic circuit, e.g. of the rotor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/047Details of housings; Mounting of active magnetic bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00Bearings not otherwise provided for
    • F16C32/04Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406Magnetic bearings
    • F16C32/044Active magnetic bearings
    • F16C32/0474Active magnetic bearings for rotary movement
    • F16C32/0493Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Cardiology (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
KR1020217025213A 2019-03-14 2020-01-10 자기 베어링, 이를 구비하는 구동 장치 및 펌프 Active KR102800581B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2019046982 2019-03-14
JPJP-P-2019-046982 2019-03-14
JP2019151775 2019-08-22
JPJP-P-2019-151775 2019-08-22
PCT/JP2020/000656 WO2020183884A1 (ja) 2019-03-14 2020-01-10 磁気軸受、これを備えた駆動装置及びポンプ

Publications (2)

Publication Number Publication Date
KR20210134899A KR20210134899A (ko) 2021-11-11
KR102800581B1 true KR102800581B1 (ko) 2025-04-24

Family

ID=72426957

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020217025213A Active KR102800581B1 (ko) 2019-03-14 2020-01-10 자기 베어링, 이를 구비하는 구동 장치 및 펌프

Country Status (7)

Country Link
US (1) US11876431B2 (enExample)
EP (1) EP3940235B1 (enExample)
JP (1) JP7469291B2 (enExample)
KR (1) KR102800581B1 (enExample)
CN (1) CN113557361B (enExample)
TW (1) TWI834809B (enExample)
WO (1) WO2020183884A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7544707B2 (ja) 2019-07-19 2024-09-03 株式会社イワキ ポンプ
EP4178090A4 (en) * 2020-07-03 2023-12-27 Iwaki Co., Ltd. ROTARY DRIVE DEVICE AND PUMP
KR102627855B1 (ko) * 2021-03-16 2024-01-23 가천대학교 산학협력단 백요크리스 자기 베어링 일체형 모터
DE102021107842A1 (de) * 2021-03-29 2022-09-29 Linz Center Of Mechatronics Gmbh Kombiniertes axial/radial-magnetlager
JP2022168834A (ja) * 2021-04-26 2022-11-08 レヴィトロニクス ゲーエムベーハー 電磁回転駆動装置、遠心ポンプ、及びポンプ・ユニット
CN115940746B (zh) * 2023-02-16 2023-05-30 深圳核心医疗科技股份有限公司 电机轴向力控制方法及装置
KR102758904B1 (ko) 2023-11-03 2025-01-22 권유신 자동차 매트
KR20250150868A (ko) 2024-04-12 2025-10-21 권유신 자동차 매트 및 자동차 매트의 제조 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005098520A (ja) 2004-12-27 2005-04-14 Toshiba Corp 磁気軸受装置
JP2005121157A (ja) * 2003-10-17 2005-05-12 Rikogaku Shinkokai 人工心臓用の磁気軸受およびモータ装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5943220A (ja) * 1982-09-03 1984-03-10 Natl Aerospace Lab ジンバリング制御が可能な磁気軸受
JPS6073929U (ja) 1983-10-26 1985-05-24 航空宇宙技術研究所長 ジンバリング制御が可能な磁気軸受
CN1104730A (zh) * 1993-11-17 1995-07-05 黄晓白 环类磁悬浮轴承
JPH09303395A (ja) * 1996-05-07 1997-11-25 Nippon Seiko Kk 磁気軸受装置
JP4024382B2 (ja) * 1998-05-15 2007-12-19 株式会社東芝 磁気軸受装置
JP3850195B2 (ja) * 2000-01-05 2006-11-29 日本電産サンキョー株式会社 磁気浮上モータ
JP2002174199A (ja) * 2000-12-05 2002-06-21 Nsk Ltd レーザ発振器ブロワ用軸受装置
JP2003052146A (ja) * 2001-08-06 2003-02-21 Sankyo Seiki Mfg Co Ltd 周面対向型モータ
DE10216447C1 (de) * 2002-04-12 2003-09-18 Forschungszentrum Juelich Gmbh Abgasturbolader
JP4920687B2 (ja) * 2007-10-18 2012-04-18 株式会社イワキ 磁気浮上モータおよびポンプ
DE102013004816A1 (de) * 2012-03-23 2013-09-26 Asmo Co., Ltd. Bürstenloser Motor
JP6512792B2 (ja) * 2014-11-06 2019-05-15 株式会社荏原製作所 磁気浮上型ポンプ
WO2017090074A1 (ja) * 2015-11-24 2017-06-01 株式会社日立産機システム アキシャルギャップ型回転電機及び回転電機用固定子
JP6913811B2 (ja) * 2017-02-06 2021-08-04 東洋ガラス株式会社 ガラスびんの検査装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005121157A (ja) * 2003-10-17 2005-05-12 Rikogaku Shinkokai 人工心臓用の磁気軸受およびモータ装置
JP2005098520A (ja) 2004-12-27 2005-04-14 Toshiba Corp 磁気軸受装置

Also Published As

Publication number Publication date
EP3940235A1 (en) 2022-01-19
TW202034608A (zh) 2020-09-16
US11876431B2 (en) 2024-01-16
CN113557361A (zh) 2021-10-26
TWI834809B (zh) 2024-03-11
JP7469291B2 (ja) 2024-04-16
EP3940235A4 (en) 2022-04-27
US20220247266A1 (en) 2022-08-04
CN113557361B (zh) 2023-10-13
WO2020183884A1 (ja) 2020-09-17
EP3940235B1 (en) 2023-05-24
KR20210134899A (ko) 2021-11-11
JPWO2020183884A1 (enExample) 2020-09-17

Similar Documents

Publication Publication Date Title
KR102800581B1 (ko) 자기 베어링, 이를 구비하는 구동 장치 및 펌프
KR102817008B1 (ko) 회전 구동 장치 및 펌프
RU2371828C1 (ru) Магнитно-силовое ротационное устройство
JP4616122B2 (ja) 磁気軸受
KR101502115B1 (ko) 브러시리스 모터
JP3850195B2 (ja) 磁気浮上モータ
US7847453B2 (en) Bearingless step motor
CN115654018B (zh) 磁悬浮主动式三自由度轴承、压缩机、电机
US20170149318A1 (en) Single Phase Permanent Magnet Brushless Motor
JP6681802B2 (ja) ディスクレススラスト磁気軸受及び3軸能動制御磁気軸受
CN115654015B (zh) 一种磁悬浮主动式轴承、电机和压缩机
JPH0332338A (ja) モーター体型磁気軸受
JP6696855B2 (ja) 磁気軸受
JP2010110096A (ja) 回転子、回転電機及び回転子の製造方法
CN117028416A (zh) 一种磁轴承及泵装置
KR102697517B1 (ko) 코깅리스 코어리스 bldc 모터
CN223729652U (zh) 一种双转子磁悬浮电机及磁悬浮泵
CN223729653U (zh) 一种新型磁悬浮无轴承电机及泵
US11888360B2 (en) Brush motor
JPH01103146A (ja) モータ
KR102473976B1 (ko) 하이브리드형 영구자석 토크모터
JPH0522917A (ja) 直流モータ
CN209375418U (zh) 一种高速永磁开关磁阻电动机
CN121025053A (zh) 五自由度混合式磁悬浮轴承、旋转驱动机械
JPH0222497Y2 (enExample)

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20210809

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20240720

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20250220

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20250422

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20250422

End annual number: 3

Start annual number: 1

PG1601 Publication of registration