ATE422914T1 - Kreiselpumpe - Google Patents

Kreiselpumpe

Info

Publication number
ATE422914T1
ATE422914T1 AT04015954T AT04015954T ATE422914T1 AT E422914 T1 ATE422914 T1 AT E422914T1 AT 04015954 T AT04015954 T AT 04015954T AT 04015954 T AT04015954 T AT 04015954T AT E422914 T1 ATE422914 T1 AT E422914T1
Authority
AT
Austria
Prior art keywords
impeller
function
rotor
rotation
motor
Prior art date
Application number
AT04015954T
Other languages
English (en)
Inventor
Takeshi Tsubouchi
Takehisa Mori
Original Assignee
Terumo Corp
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 Terumo Corp filed Critical Terumo Corp
Application granted granted Critical
Publication of ATE422914T1 publication Critical patent/ATE422914T1/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
    • F16C32/0442—Active magnetic bearings with devices affected by abnormal, undesired or non-standard conditions such as shock-load, power outage, start-up or touchdown
    • 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
    • A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
    • A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
    • 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
    • A61M60/226—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly radial components
    • A61M60/232—Centrifugal 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
    • A61M60/40—Details relating to driving
    • A61M60/403—Details relating to driving for non-positive displacement blood pumps
    • A61M60/419—Details relating to driving for non-positive displacement blood pumps the force acting on the blood contacting member being permanent magnetic, e.g. from a rotating magnetic coupling between driving and driven magnets
    • 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
    • A61M60/50—Details relating to control
    • A61M60/508—Electronic control means, e.g. for feedback regulation
    • A61M60/538—Regulation using real-time blood pump operational parameter data, e.g. motor current
    • 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
    • A61M60/81—Pump housings
    • A61M60/816—Sensors arranged on or in the housing, e.g. ultrasound flow sensors
    • 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
    • A61M60/822—Magnetic bearings specially adapted for being actively controlled
    • 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
    • A61M60/824—Hydrodynamic or fluid film 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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0077—Safety measures
    • 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
    • F04D29/047—Bearings hydrostatic; hydrodynamic
    • 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
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/50—Bearings
    • F05B2240/51—Bearings magnetic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/50—Bearings
    • F05B2240/53—Hydrodynamic or hydrostatic 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
    • F16C2360/00—Engines or pumps
    • F16C2360/44—Centrifugal pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Cardiology (AREA)
  • Anesthesiology (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • External Artificial Organs (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Sliding-Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Reciprocating Pumps (AREA)
AT04015954T 2003-07-07 2004-07-07 Kreiselpumpe ATE422914T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/613,068 US7128538B2 (en) 2003-07-07 2003-07-07 Centrifugal fluid pump apparatus

Publications (1)

Publication Number Publication Date
ATE422914T1 true ATE422914T1 (de) 2009-03-15

Family

ID=33452641

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04015954T ATE422914T1 (de) 2003-07-07 2004-07-07 Kreiselpumpe

Country Status (5)

Country Link
US (1) US7128538B2 (de)
EP (1) EP1495773B1 (de)
JP (1) JP4308723B2 (de)
AT (1) ATE422914T1 (de)
DE (1) DE602004019474D1 (de)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602005019219D1 (de) * 2004-03-24 2010-03-25 Terumo Corp Zentrifugalblutpumpe mit hydrodynamischer Lagerung
JP4866704B2 (ja) * 2006-10-26 2012-02-01 独立行政法人産業技術総合研究所 動圧軸受を備えた人工心臓ポンプ
JP4787726B2 (ja) * 2006-11-28 2011-10-05 テルモ株式会社 センサレス磁気軸受型血液ポンプ装置
EP2122177B1 (de) * 2007-02-21 2018-11-21 Grundfos Management A/S Pumpenaggregat
US9044535B2 (en) 2007-08-07 2015-06-02 Terumo Cardiovascular Systems Corp. Extracorporeal blood pump with disposable pump head portion having magnetically levitated impeller
EP2292282B1 (de) 2008-06-23 2017-11-15 Thoratec Corporation Blutpumpe
WO2010067682A1 (ja) * 2008-12-08 2010-06-17 Ntn株式会社 遠心式ポンプ装置
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
WO2010101107A1 (ja) 2009-03-06 2010-09-10 Ntn株式会社 遠心式ポンプ装置
US8821365B2 (en) 2009-07-29 2014-09-02 Thoratec Corporation Rotation drive device and centrifugal pump apparatus using the same
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
JP5572832B2 (ja) 2010-03-26 2014-08-20 ソーラテック コーポレイション 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
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
EP2693609B1 (de) 2011-03-28 2017-05-03 Thoratec Corporation Dreh- und antriebsvorrichtung und zentrifugalpumpvorrichtung damit
DE102011075097A1 (de) * 2011-05-02 2012-11-08 Krones Aktiengesellschaft Vorrichtung zum Bewegen eines Fluids
JP6861461B2 (ja) 2011-12-03 2021-04-21 インディアナ ユニバーシティ リサーチ アンド テクノロジー コーポレイション 大静脈肺動脈インペラ補助装置
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
CA2870197A1 (en) 2012-04-11 2013-11-17 Waterous Company Integrated reciprocating primer drive arrangement
US9511178B2 (en) 2012-07-09 2016-12-06 Medtronic, Inc. Reducing centrifugal pump bearing wear through dynamic magnetic coupling
EP2719403B1 (de) * 2012-10-12 2016-09-28 Abiomed Europe GmbH Zentrifugal-Blutpumpe
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
US9127680B2 (en) 2013-04-05 2015-09-08 Thoratec Corporation Verification of magnetic balance for magnetically levitated impeller
US10052420B2 (en) 2013-04-30 2018-08-21 Tc1 Llc Heart beat identification and pump speed synchronization
US9713663B2 (en) 2013-04-30 2017-07-25 Tc1 Llc Cardiac pump with speed adapted for ventricle unloading
AU2013390343B2 (en) * 2013-05-23 2018-11-29 Reinheart Gmbh Impeller of a centrifugal pump apparatus
US9623161B2 (en) 2014-08-26 2017-04-18 Tc1 Llc Blood pump and method of suction detection
US9623162B2 (en) * 2014-11-05 2017-04-18 Reliantheart Inc. Implantable blood pump
EP3256183A4 (de) 2015-02-11 2018-09-19 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
US10245361B2 (en) 2015-02-13 2019-04-02 Tc1 Llc Impeller suspension mechanism for heart pump
KR101766959B1 (ko) * 2015-07-09 2017-08-09 정유철 동작상태 표시기능이 구비된 펌프장치
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
EP3400034A2 (de) 2016-01-06 2018-11-14 Bivacor Inc. Herzpumpe
WO2018187576A2 (en) * 2017-04-05 2018-10-11 Bivacor Inc. Heart pump drive and bearing
EP4233989A3 (de) 2017-06-07 2023-10-11 Shifamed Holdings, LLC Intravaskuläre fluidbewegungsvorrichtungen, systeme und verwendungsverfahren
US11511103B2 (en) 2017-11-13 2022-11-29 Shifamed Holdings, Llc Intravascular fluid movement devices, systems, and methods of use
DE102018201030A1 (de) 2018-01-24 2019-07-25 Kardion Gmbh Magnetkuppelelement mit magnetischer Lagerungsfunktion
JP7410034B2 (ja) 2018-02-01 2024-01-09 シファメド・ホールディングス・エルエルシー 血管内血液ポンプならびに使用および製造の方法
JP7050534B2 (ja) * 2018-03-08 2022-04-08 テルモ株式会社 ポンプ装置
DE102018207575A1 (de) 2018-05-16 2019-11-21 Kardion Gmbh Magnetische Stirndreh-Kupplung zur Übertragung von Drehmomenten
DE102018207611A1 (de) 2018-05-16 2019-11-21 Kardion Gmbh Rotorlagerungssystem
DE102018208541A1 (de) 2018-05-30 2019-12-05 Kardion Gmbh Axialpumpe für ein Herzunterstützungssystem und Verfahren zum Herstellen einer Axialpumpe für ein Herzunterstützungssystem
DE102018210076A1 (de) * 2018-06-21 2019-12-24 Kardion Gmbh Verfahren und Vorrichtung zum Erkennen eines Verschleißzustands eines Herzunterstützungssystems, Verfahren und Vorrichtung zum Betreiben eines Herzunterstützungssystems und Herzunterstützungssystem
DE102018212153A1 (de) 2018-07-20 2020-01-23 Kardion Gmbh Zulaufleitung für eine Pumpeneinheit eines Herzunterstützungssystems, Herzunterstützungssystem und Verfahren zum Herstellen einer Zulaufleitung für eine Pumpeneinheit eines Herzunterstützungssystems
JP2022540616A (ja) 2019-07-12 2022-09-16 シファメド・ホールディングス・エルエルシー 血管内血液ポンプならびに製造および使用の方法
WO2021016372A1 (en) 2019-07-22 2021-01-28 Shifamed Holdings, Llc Intravascular blood pumps with struts and methods of use and manufacture
CN110292670B (zh) * 2019-08-20 2019-12-03 上海微创心力医疗科技有限公司 磁耦合离心血泵及其血泵底座、血泵控制器和控制方法
EP4034184A4 (de) 2019-09-25 2023-10-18 Shifamed Holdings, LLC Katheterblutpumpen und kollabierbare blutleitungen
EP4034192A4 (de) 2019-09-25 2023-11-29 Shifamed Holdings, LLC Intravaskuläre blutpumpensysteme und verfahren zur verwendung und steuerung davon
CN110671341A (zh) * 2019-11-04 2020-01-10 江苏科技大学 基于无传感器监测技术的离心泵叶轮破损诊断方法及装置
CN110848165A (zh) * 2019-11-04 2020-02-28 江苏科技大学 基于无传感器监测技术的离心泵机封故障诊断方法及装置
DE102020102474A1 (de) 2020-01-31 2021-08-05 Kardion Gmbh Pumpe zum Fördern eines Fluids und Verfahren zum Herstellen einer Pumpe
CN112145553B (zh) * 2020-09-22 2021-08-10 珠海格力电器股份有限公司 一种磁悬浮轴承系统及其控制方法、装置和存储介质
CN114368845A (zh) * 2021-12-09 2022-04-19 徐州市正联机电设备有限公司 一种用于生态修复增氧机防止叶轮打滑的固定装置
CN114810623B (zh) * 2022-04-16 2023-09-22 江苏大学流体机械温岭研究院 一种基于马氏距离的叶片式泵健康监测评估方法及装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211546A (en) * 1990-05-29 1993-05-18 Nu-Tech Industries, Inc. Axial flow blood pump with hydrodynamically suspended rotor
US5575630A (en) * 1995-08-08 1996-11-19 Kyocera Corporation Blood pump having magnetic attraction
US5947703A (en) * 1996-01-31 1999-09-07 Ntn Corporation Centrifugal blood pump assembly
JPH09313600A (ja) * 1996-05-28 1997-12-09 Terumo Corp 遠心式液体ポンプ装置
US6071093A (en) * 1996-10-18 2000-06-06 Abiomed, Inc. Bearingless blood pump and electronic drive system
EP0900572B1 (de) * 1997-09-04 2005-01-12 Levitronix LLC Zentrifugalpumpe
EP0982499B1 (de) * 1998-08-21 2005-02-09 CP Pumpen AG Magnetgekuppelte Kreiselpumpe
DE29821565U1 (de) * 1998-12-02 2000-06-15 Impella Cardiotechnik AG, 52074 Aachen Lagerlose Blutpumpe
CA2260171A1 (en) 1999-01-22 2000-07-22 Kriton Medical, Inc. Sealless blood pump with means for avoiding thrombus formation
DE10035989A1 (de) 1999-07-23 2001-09-20 Terumo Corp Zentrifugal-Fluidpumpvorrichtung
US6227817B1 (en) * 1999-09-03 2001-05-08 Magnetic Moments, Llc Magnetically-suspended centrifugal blood pump
US6575717B2 (en) * 1999-12-27 2003-06-10 Ntn Corporation Magnetically levitated pump
US6547530B2 (en) * 2000-05-19 2003-04-15 Ntn Corporation Fluid pump apparatus
US6589030B2 (en) * 2000-06-20 2003-07-08 Ntn Corporation Magnetically levitated pump apparatus

Also Published As

Publication number Publication date
DE602004019474D1 (de) 2009-04-02
US7128538B2 (en) 2006-10-31
EP1495773A2 (de) 2005-01-12
EP1495773A3 (de) 2006-11-29
JP4308723B2 (ja) 2009-08-05
US20050008496A1 (en) 2005-01-13
EP1495773B1 (de) 2009-02-18
JP2005028137A (ja) 2005-02-03

Similar Documents

Publication Publication Date Title
ATE422914T1 (de) Kreiselpumpe
ATE350080T1 (de) Zentrifugalpumpe mit störungskorrektur
US5856719A (en) Electromagnetic-coupled/levitated apparatus and method for rotating equipment
JP4456857B2 (ja) 遠心式血液ポンプ装置
EP3515524B1 (de) Blutpumpe mit sensoren auf der gehäuseoberfläche
CA2253435A1 (en) Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
WO1996019034A9 (en) Electromagnetic-coupled/levitated apparatus and method for rotating equipment
DE60032678D1 (de) Zentrifugalpumpenaggregat
JP4759261B2 (ja) 遠心式血液ポンプ装置
WO2013150646A1 (ja) 磁気駆動ポンプ装置
ATE524866T1 (de) Linearantrieb durch spindelantrieb
JPH0653790U (ja) クリーンポンプ
US11015647B2 (en) Device provided with a bearing-in-bearing
ATE306738T1 (de) Elektronisch kommutierter innenläufermotor
CN101016906A (zh) 永磁悬浮轴承离心泵
JP2010041742A (ja) アキシャル磁気浮上回転モータ及びアキシャル磁気浮上回転モータを用いたターボ形ポンプ
CN108087094B (zh) 具有双摩擦盘的电磁离合器水泵
JP2019210869A (ja) ポンプ装置、及びポンプ装置の羽根車隙間調整方法
CN211624000U (zh) 一种水泵离合器通电差速断电全速装置
WO2007140504A8 (de) Elektromagnetische drehantriebseinrichtung
KR101580526B1 (ko) 캔드 모터펌프 역회전 방지장치
JP4004401B2 (ja) 液体ポンプ装置
JP6466292B2 (ja) 水中電動ポンプ
KR101336261B1 (ko) 수중모터펌프 역회전방지장치
WO2017028921A1 (en) Mechanical switchable automotive coolant pump

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties