ATE406685T1 - Drehpumpe mit elektromagnetischem lcr-lager - Google Patents

Drehpumpe mit elektromagnetischem lcr-lager

Info

Publication number
ATE406685T1
ATE406685T1 AT04794058T AT04794058T ATE406685T1 AT E406685 T1 ATE406685 T1 AT E406685T1 AT 04794058 T AT04794058 T AT 04794058T AT 04794058 T AT04794058 T AT 04794058T AT E406685 T1 ATE406685 T1 AT E406685T1
Authority
AT
Austria
Prior art keywords
axial bearing
lcr
rotary pump
rotor
housing
Prior art date
Application number
AT04794058T
Other languages
English (en)
Inventor
Hsiang Chen
William Smith
Nicholas Vitale
Peter Chapman
Arthur Donahue
David Meeker
Charles Prisco
Original Assignee
Foster Miller Inc
Cleveland Clinic Foundation
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 Foster Miller Inc, Cleveland Clinic Foundation filed Critical Foster Miller Inc
Application granted granted Critical
Publication of ATE406685T1 publication Critical patent/ATE406685T1/de

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/044—Active magnetic bearings
    • F16C32/0459—Details of the magnetic circuit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/165—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart
    • A61M60/178—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable in, on, or around the heart drawing blood from a ventricle and returning the blood to the arterial system via a cannula external to the ventricle, e.g. left or right ventricular assist devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/20—Type thereof
    • A61M60/205—Non-positive displacement blood pumps
    • A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/40—Details relating to driving
    • A61M60/403—Details relating to driving for non-positive displacement blood pumps
    • A61M60/422—Details 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/80—Constructional details other than related to driving
    • A61M60/802—Constructional details other than related to driving of non-positive displacement blood pumps
    • A61M60/818—Bearings
    • A61M60/82—Magnetic bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0666—Units comprising pumps and their driving means the pump being electrically driven the motor being of the plane gap type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/048—Bearings magnetic; electromagnetic
    • 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
    • F16C32/0485—Active magnetic bearings for rotary movement with active support of three degrees of freedom
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • 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
    • 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
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
    • A61M60/10—Location thereof with respect to the patient's body
    • A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
    • A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
    • A61M60/148—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
    • 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
    • F16C2316/00—Apparatus in health or amusement
    • F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
    • F16C2316/18—Pumps for pumping blood
    • 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
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C32/00—Bearings not otherwise provided for
    • F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
    • F16C32/0406—Magnetic bearings
    • F16C32/0408—Passive magnetic bearings
    • F16C32/041—Passive magnetic bearings with permanent magnets on one part attracting the other part
    • F16C32/0412—Passive magnetic bearings with permanent magnets on one part attracting the other part for radial 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
    • 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
    • F16C32/0444—Details of devices to control the actuation of the electromagnets
    • F16C32/0446—Determination of the actual position of the moving member, e.g. details of sensors
    • F16C32/0448—Determination of the actual position of the moving member, e.g. details of sensors by using the electromagnet itself as sensor, e.g. sensorless magnetic bearings

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cardiology (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Hematology (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Physics & Mathematics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Rotary Pumps (AREA)
  • External Artificial Organs (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
AT04794058T 2003-10-03 2004-10-01 Drehpumpe mit elektromagnetischem lcr-lager ATE406685T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50861803P 2003-10-03 2003-10-03

Publications (1)

Publication Number Publication Date
ATE406685T1 true ATE406685T1 (de) 2008-09-15

Family

ID=34421766

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04794058T ATE406685T1 (de) 2003-10-03 2004-10-01 Drehpumpe mit elektromagnetischem lcr-lager

Country Status (6)

Country Link
US (1) US20050147512A1 (de)
EP (1) EP1668764B1 (de)
JP (1) JP2007518464A (de)
AT (1) ATE406685T1 (de)
DE (1) DE602004016188D1 (de)
WO (1) WO2005034312A2 (de)

Families Citing this family (61)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003016718A1 (en) * 2001-08-21 2003-02-27 Advanced Rotary Systems, Llc Integrated motorized pump
CA2610379A1 (en) * 2005-05-27 2006-12-07 The Cleveland Clinic Foundation Method and apparatus for eddy current compensation in a radio frequency probe
US20090162225A1 (en) * 2007-12-20 2009-06-25 Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. Pump for liquid cooling system
US20090169399A1 (en) * 2007-12-27 2009-07-02 Metal Industries Research&Development Centre Ultra-thin miniature pump
JP5171953B2 (ja) 2008-06-23 2013-03-27 テルモ株式会社 血液ポンプ装置
ITPN20080051A1 (it) 2008-06-24 2009-12-25 Mate S A S Macchina operatrice, in particolare una motopompa a motore assiale
US9067005B2 (en) 2008-12-08 2015-06-30 Thoratec Corporation Centrifugal pump apparatus
JP5378010B2 (ja) 2009-03-05 2013-12-25 ソラテック コーポレーション 遠心式ポンプ装置
US8770945B2 (en) 2009-03-06 2014-07-08 Thoratec Corporation Centrifugal pump apparatus
CN101885325A (zh) * 2009-05-12 2010-11-17 德昌电机(深圳)有限公司 一种防抱死制动系统及其电机
EP3490122B1 (de) 2009-07-29 2021-01-27 Thoratec Corporation Rotationsantriebsvorrichtung und zentrifugalpumpenvorrichtung
JP5443197B2 (ja) 2010-02-16 2014-03-19 ソラテック コーポレーション 遠心式ポンプ装置
WO2011118325A1 (ja) 2010-03-26 2011-09-29 テルモ株式会社 遠心式血液ポンプ装置
JP5681403B2 (ja) 2010-07-12 2015-03-11 ソーラテック コーポレイション 遠心式ポンプ装置
EP3248628B1 (de) 2010-08-20 2019-01-02 Tc1 Llc Implantierbare blutpumpe
USD669585S1 (en) * 2010-08-20 2012-10-23 Thoratec Corporation Implantable blood pump
JP5577506B2 (ja) 2010-09-14 2014-08-27 ソーラテック コーポレイション 遠心式ポンプ装置
US8439567B1 (en) * 2010-11-10 2013-05-14 Curtiss-Wright Electro-Mechanical Corporation Disc springs/carrier plate preload assembly
EP2693609B1 (de) 2011-03-28 2017-05-03 Thoratec Corporation Dreh- und antriebsvorrichtung und zentrifugalpumpvorrichtung damit
USD671646S1 (en) * 2011-04-21 2012-11-27 Thoratec Corporation Implantable blood pump
US8864643B2 (en) 2011-10-13 2014-10-21 Thoratec Corporation Pump and method for mixed flow blood pumping
JP6083929B2 (ja) 2012-01-18 2017-02-22 ソーラテック コーポレイション 遠心式ポンプ装置
EP2822614B1 (de) 2012-03-05 2016-12-28 Thoratec Corporation Modulare implantierbare medizinische pumpe
KR101423980B1 (ko) * 2012-06-18 2014-07-31 (주)오앤케이테크 모터유닛 및 이를 포함하는 그릴 셔터 구동장치
EP2890419B1 (de) 2012-08-31 2019-07-31 Tc1 Llc Startalgorithmus für eine implantierbare blutpumpe
WO2014036419A1 (en) 2012-08-31 2014-03-06 Thoratec Corporation Hall sensor mounting in an implantable blood pump
US9371826B2 (en) 2013-01-24 2016-06-21 Thoratec Corporation Impeller position compensation using field oriented control
US9556873B2 (en) 2013-02-27 2017-01-31 Tc1 Llc Startup sequence for centrifugal pump with levitated impeller
US9713663B2 (en) 2013-04-30 2017-07-25 Tc1 Llc Cardiac pump with speed adapted for ventricle unloading
US10052420B2 (en) 2013-04-30 2018-08-21 Tc1 Llc Heart beat identification and pump speed synchronization
EP2860849B1 (de) 2013-10-11 2016-09-14 ECP Entwicklungsgesellschaft mbH Komprimierbarer Motor, Implantieranordnung sowie Verfahren zum Positionieren des Motors
US9623161B2 (en) 2014-08-26 2017-04-18 Tc1 Llc Blood pump and method of suction detection
WO2016086137A1 (en) 2014-11-26 2016-06-02 Thoratec Corporation Pump and method for mixed flow blood pumping
US10148152B2 (en) 2015-02-10 2018-12-04 Cts Corporation Axial brushless DC motor
EP4643926A3 (de) 2015-02-11 2025-12-24 Tc1 Llc Herzschlagidentifizierung und pumpengeschwindigkeitssynchronisierung
US10166318B2 (en) 2015-02-12 2019-01-01 Tc1 Llc System and method for controlling the position of a levitated rotor
US10371152B2 (en) 2015-02-12 2019-08-06 Tc1 Llc Alternating pump gaps
WO2016130989A1 (en) 2015-02-13 2016-08-18 Thoratec Corporation Impeller suspension mechanism for heart pump
JP2016188590A (ja) * 2015-03-30 2016-11-04 Ntn株式会社 遠心式ポンプ装置
EP3115069A1 (de) * 2015-07-07 2017-01-11 Berlin Heart GmbH Vorrichtung zur positionsbestimmung eines beweglichen bauteils
EP3135933B1 (de) * 2015-08-25 2019-05-01 ReinHeart GmbH Aktives magnetlager
US10117983B2 (en) 2015-11-16 2018-11-06 Tc1 Llc Pressure/flow characteristic modification of a centrifugal pump in a ventricular assist device
WO2017087728A1 (en) 2015-11-20 2017-05-26 Tc1 Llc Improved connectors and cables for use with ventricle assist systems
US10454403B2 (en) 2016-02-05 2019-10-22 Cts Corporation Axial brushless DC motor with fractional and hold step function
US10857273B2 (en) 2016-07-21 2020-12-08 Tc1 Llc Rotary seal for cantilevered rotor pump and methods for axial flow blood pumping
US20180245596A1 (en) * 2016-07-26 2018-08-30 RELIAX MOTORES SA de CV Integrated electric motor and pump assembly
US10660998B2 (en) 2016-08-12 2020-05-26 Tci Llc Devices and methods for monitoring bearing and seal performance
US10731653B2 (en) 2017-01-27 2020-08-04 Regal Beloit Australia Pty Ltd Centrifugal pump assemblies having an axial flux electric motor and methods of assembly thereof
US10865794B2 (en) 2017-01-27 2020-12-15 Regal Beloit Australia Pty Ltd Centrifugal pump assemblies having an axial flux electric motor and methods of assembly thereof
US10584739B2 (en) 2017-01-27 2020-03-10 Regal Beloit Australia Pty Ltd Centrifugal pump assemblies having an axial flux electric motor and methods of assembly thereof
US10830252B2 (en) * 2017-01-27 2020-11-10 Regal Beloit Australia Pty Ltd Centrifugal pump assemblies having an axial flux electric motor and methods of assembly thereof
WO2019036198A1 (en) * 2017-08-18 2019-02-21 Heartware, Inc. DETECTION AND REMOVAL OF THROMBUS USING A FLEXIBLE ELECTRONIC SENSOR AND A TRANSMITTER
EP3737435B1 (de) 2018-01-10 2023-10-18 Tc1 Llc Lagerlose implantierbare blutpumpe
US10681841B2 (en) * 2018-08-08 2020-06-09 Evga Corporation Water-cooling heat dissipation device suitable for computer
WO2020072734A1 (en) * 2018-10-04 2020-04-09 Montana Technologies, Llc Rotor and stator for high speed axial flux machine
JP7303503B2 (ja) * 2019-03-01 2023-07-05 国立大学法人埼玉大学 磁気浮上式ポンプ
EP3711786A1 (de) * 2019-03-19 2020-09-23 Abiomed Europe GmbH Blutpumpe
EP3711784A1 (de) * 2019-03-19 2020-09-23 Abiomed Europe GmbH Blutpumpe
TW202218705A (zh) * 2020-09-22 2022-05-16 德商阿比奥梅德歐洲有限公司 血泵
KR20230086165A (ko) * 2021-12-08 2023-06-15 현대자동차주식회사 전동식 워터 펌프
CN119499533A (zh) * 2022-05-23 2025-02-25 航天泰心科技有限公司 一种磁悬浮型离心泵

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3194165A (en) * 1962-02-28 1965-07-13 Sorlin Nils Electric motor pump
US3937533A (en) * 1974-02-08 1976-02-10 The United States Of America As Represented By The United States National Aeronautics And Space Administration Office Of General Counsel-Code Gp Axially and radially controllable magnetic bearing
US5078741A (en) * 1986-10-12 1992-01-07 Life Extenders Corporation Magnetically suspended and rotated rotor
US4652820A (en) * 1983-03-23 1987-03-24 North American Philips Corporation Combined position sensor and magnetic motor or bearing
JPH0198708A (ja) * 1987-10-07 1989-04-17 Ebara Res Co Ltd ラジアル磁気軸受装置
US5666013A (en) * 1992-12-07 1997-09-09 Seiko Seiki Kabushiki Kaisha Magnetic bearing
WO1994020767A1 (en) * 1993-03-08 1994-09-15 Noise Cancellation Technologies, Inc. Methods and apparatus for closed-loop control of magnetic bearings
US5424595A (en) * 1993-05-04 1995-06-13 General Electric Company Integrated magnetic bearing/switched reluctance machine
US5696412A (en) * 1993-10-20 1997-12-09 Iannello; Victor Sensor-less position detector for an active magnetic bearing
US5818137A (en) * 1995-10-26 1998-10-06 Satcon Technology, Inc. Integrated magnetic levitation and rotation system
US5840070A (en) * 1996-02-20 1998-11-24 Kriton Medical, Inc. Sealless rotary blood pump
US5695471A (en) * 1996-02-20 1997-12-09 Kriton Medical, Inc. Sealless rotary blood pump with passive magnetic radial bearings and blood immersed axial bearings
US6302661B1 (en) * 1996-05-03 2001-10-16 Pratap S. Khanwilkar Electromagnetically suspended and rotated centrifugal pumping apparatus and method
US6074180A (en) * 1996-05-03 2000-06-13 Medquest Products, Inc. Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
US6244835B1 (en) * 1996-06-26 2001-06-12 James F. Antaki Blood pump having a magnetically suspended rotor
US6015272A (en) * 1996-06-26 2000-01-18 University Of Pittsburgh Magnetically suspended miniature fluid pump and method of designing the same
EP0900572B1 (de) * 1997-09-04 2005-01-12 Levitronix LLC Zentrifugalpumpe
US5928131A (en) * 1997-11-26 1999-07-27 Vascor, Inc. Magnetically suspended fluid pump and control system
DE19815177A1 (de) * 1998-04-04 1999-10-07 Hilti Ag Spreizdübel
US6264635B1 (en) * 1998-12-03 2001-07-24 Kriton Medical, Inc. Active magnetic bearing system for blood pump
US6234772B1 (en) * 1999-04-28 2001-05-22 Kriton Medical, Inc. Rotary blood pump
US6304015B1 (en) * 1999-05-13 2001-10-16 Alexei Vladimirovich Filatov Magneto-dynamic bearing
US6227817B1 (en) * 1999-09-03 2001-05-08 Magnetic Moments, Llc Magnetically-suspended centrifugal blood pump
ATE255685T1 (de) * 1999-12-27 2003-12-15 Terumo Corp Flüssigkeitspumpe mit magnetisch aufgehängtem laufrad
JP4612925B2 (ja) * 1999-12-27 2011-01-12 Ｎｔｎ株式会社 磁気浮上型ポンプ
US6527699B1 (en) * 2000-06-02 2003-03-04 Michael P. Goldowsky Magnetic suspension blood pump
CN1206789C (zh) * 2002-05-31 2005-06-15 沈阳工业大学 轴向可控磁悬浮永磁盘式血泵电机

Also Published As

Publication number Publication date
EP1668764B1 (de) 2008-08-27
JP2007518464A (ja) 2007-07-12
WO2005034312A3 (en) 2005-06-16
US20050147512A1 (en) 2005-07-07
DE602004016188D1 (de) 2008-10-09
WO2005034312A2 (en) 2005-04-14
EP1668764A2 (de) 2006-06-14
WO2005034312B1 (en) 2005-07-28

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