ATE113695T1 - Magnetpumpe. - Google Patents

Magnetpumpe.

Info

Publication number
ATE113695T1
ATE113695T1 AT90110632T AT90110632T ATE113695T1 AT E113695 T1 ATE113695 T1 AT E113695T1 AT 90110632 T AT90110632 T AT 90110632T AT 90110632 T AT90110632 T AT 90110632T AT E113695 T1 ATE113695 T1 AT E113695T1
Authority
AT
Austria
Prior art keywords
impeller
magnetic force
casing
driving mechanism
permanent magnet
Prior art date
Application number
AT90110632T
Other languages
English (en)
Inventor
Eiji Miyamoto
Yoshinori Ojima
Tadashi Yakabe
Toshiya Kanamori
Original Assignee
Ebara 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27314634&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE113695(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP2123133A external-priority patent/JP2544825B2/ja
Application filed by Ebara Corp filed Critical Ebara Corp
Application granted granted Critical
Publication of ATE113695T1 publication Critical patent/ATE113695T1/de

Links

Classifications

    • 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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/026—Details of the 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
    • F04D13/0646—Units comprising pumps and their driving means the pump being electrically driven the hollow pump or motor shaft being the conduit for the working fluid
    • 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
    • F04D29/0465—Ceramic bearing designs
    • 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
    • F04D29/0467—Spherical 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F04D29/049—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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/043—Sliding surface consisting mainly of ceramics, cermets or hard carbon, e.g. diamond like carbon [DLC]
    • 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
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
    • H02K5/1282—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs the partition wall in the air-gap being non cylindrical
    • 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
    • H02K7/086—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly
    • H02K7/088—Structural association with bearings radially supporting the rotor around a fixed spindle; radially supporting the rotor directly radially supporting the rotor directly
    • 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
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/11—Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric clutches

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Electromagnetic Pumps, Or The Like (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fuel-Injection Apparatus (AREA)
AT90110632T 1989-06-05 1990-06-05 Magnetpumpe. ATE113695T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP14117589 1989-06-05
JP14403389 1989-06-08
JP2123133A JP2544825B2 (ja) 1989-06-05 1990-05-15 マグネツトポンプ

Publications (1)

Publication Number Publication Date
ATE113695T1 true ATE113695T1 (de) 1994-11-15

Family

ID=27314634

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90110632T ATE113695T1 (de) 1989-06-05 1990-06-05 Magnetpumpe.

Country Status (6)

Country Link
US (1) US5149253A (de)
EP (1) EP0401761B1 (de)
AT (1) ATE113695T1 (de)
DE (1) DE69013761T2 (de)
DK (1) DK0401761T3 (de)
ES (1) ES2066039T3 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4023756C1 (de) * 1990-07-26 1991-12-19 Grundfos International A/S, Bjerringbro, Dk
EP0528274B1 (de) * 1991-08-19 1997-03-05 Sumitomo Electric Industries, Limited Verbundlagerstruktur
US5317579A (en) * 1992-08-07 1994-05-31 Litton Systems, Inc. Laser pump
DE4341564A1 (de) * 1993-12-07 1995-06-08 Bosch Gmbh Robert Aggregat zum Fördern von Kraftstoff aus einem Vorratstank zur Brennkraftmaschine eines Kraftfahrzeuges
JP3428161B2 (ja) * 1994-08-05 2003-07-22 松下電器産業株式会社 モータ
DE4438132A1 (de) * 1994-10-27 1996-05-02 Wilo Gmbh Spaltrohrpumpe
US5608278A (en) * 1995-01-13 1997-03-04 Eastman Kodak Company Self-pumped fluid bearing with electromagnetic levitation such as for a light beam deflector
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
AT404318B (de) 1996-07-29 1998-10-27 Heinrich Dr Schima Zentrifugalpumpe bestehend aus einem pumpenkopf und einem scheibenläuferantrieb zur förderung von blut und anderen scherempfindlichen flüssigkeiten
US6132186A (en) * 1997-08-06 2000-10-17 Shurflo Pump Manufacturing Co. Impeller pump driven by a dynamo electric machine having a stator comprised of a mass of metal particles
US6034465A (en) * 1997-08-06 2000-03-07 Shurfle Pump Manufacturing Co. Pump driven by brushless motor
US6120537A (en) * 1997-12-23 2000-09-19 Kriton Medical, Inc. Sealless blood pump with means for avoiding thrombus formation
RU2129669C1 (ru) * 1998-06-24 1999-04-27 Общество с ограниченной ответственностью "Фирма АГРОИНЖСТРОЙ" Бессальниковый электронасос с вентильным двигателем постоянного тока
US6234772B1 (en) 1999-04-28 2001-05-22 Kriton Medical, Inc. Rotary blood pump
US6254361B1 (en) * 1999-07-29 2001-07-03 Itt Manufacturing Enterprises, Inc. Shaftless canned rotor inline pipe pump
US6908291B2 (en) 2002-07-19 2005-06-21 Innovative Mag-Drive, Llc Corrosion-resistant impeller for a magnetic-drive centrifugal pump
US7572115B2 (en) * 2002-07-19 2009-08-11 Innovative Mag-Drive, Llc Corrosion-resistant rotor for a magnetic-drive centrifugal pump
FR2845736B1 (fr) * 2002-10-15 2006-02-10 Jeumont Sa Groupe motopompe de mise en circulation d'un fluide corrosif
US20060127253A1 (en) * 2004-12-10 2006-06-15 Ekberg Andrew M Inner drive for magnetic drive pump
WO2007084339A2 (en) 2006-01-13 2007-07-26 Heartware, Inc. Rotary blood pump
US8672611B2 (en) 2006-01-13 2014-03-18 Heartware, Inc. Stabilizing drive for contactless rotary blood pump impeller
US20070247968A1 (en) * 2006-04-21 2007-10-25 V & P Scientific, Inc. Sandwich magnetic stir elements for stirring the contents of vessels
JP4293217B2 (ja) * 2006-09-22 2009-07-08 パナソニック電工株式会社 ポンプおよび流体供給装置
US8607374B2 (en) 2007-08-09 2013-12-17 Ecotech Marine, Llc Foot spa tub pump and method
WO2009020663A1 (en) 2007-08-09 2009-02-12 Justin Lawyer Foot spa tub pump and method
US20090062020A1 (en) * 2007-08-30 2009-03-05 Edwards Stanley W Multi-ribbed keyless coupling
CA2733337C (en) * 2010-03-01 2018-12-11 Timothy Marks Fluid pump assembly
WO2012061011A2 (en) * 2010-10-25 2012-05-10 Dresser-Rand Company System and apparatus for reducing thrust forces acting on a compressor rotor
EP2549113B1 (de) * 2011-07-20 2018-10-24 Levitronix GmbH Magnetischer Rotor sowie Rotationspumpe mit einem magnetischen Rotor
DE102012200803B4 (de) * 2012-01-20 2015-04-02 Yasa Motors Poland Sp. z.o.o. Nassläuferpumpe
DE102012200816B4 (de) * 2012-01-20 2015-04-02 Yasa Motors Poland Sp. z.o.o. Nassläuferpumpe mit Permanentmagnet
DE102012200807B4 (de) * 2012-01-20 2014-09-25 Yasa Motors Poland Sp. z.o.o. Nassläuferpumpe mit Gleitlager
DE102013200655B4 (de) * 2013-01-17 2015-11-05 Yasa Motors Poland Sp. z.o.o. Kombiniertes Radial-Axiallager und Nassläuferpumpe
JP6298237B2 (ja) * 2013-02-22 2018-03-20 株式会社荏原製作所 真空ポンプ用モータロータ及びこれを備えるモータ並びに真空ポンプ
DE102015007379A1 (de) 2015-06-10 2016-01-21 Daimler Ag Strömungsmaschine für einen Energiewandler, insbesondere eine Brennstoffzelle
JP6577799B2 (ja) * 2015-09-14 2019-09-18 株式会社神戸製鋼所 遠心式回転機械の動特性測定装置
US9920764B2 (en) * 2015-09-30 2018-03-20 Peopleflo Manufacturing, Inc. Pump devices
CN105263301B (zh) * 2015-11-12 2017-12-19 深圳市研派科技有限公司 一种液冷散热系统及其液体散热排
EP3425204B1 (de) * 2017-07-04 2021-04-14 Levitronix GmbH Magnetisch lagerbarer rotor sowie rotationsmaschine mit einem solchen rotor
US10931168B2 (en) * 2018-03-27 2021-02-23 Williams International Co., L.L.C. Radial-flux shrouded-fan generator
JP7161424B2 (ja) * 2019-02-26 2022-10-26 三菱重工コンプレッサ株式会社 インペラ及び回転機械
GB2588823A (en) * 2019-11-11 2021-05-12 Epropelled Ltd Electrical machine
EP4397865A4 (de) * 2021-09-03 2025-12-17 Ebara Corp Motorpumpe
EP4397864A4 (de) * 2021-09-03 2025-08-06 Ebara Corp Motorpumpe
CN114607620B (zh) * 2022-03-07 2022-09-09 瑞希特(浙江)科技股份有限公司 一种高效节能自吸式衬氟磁力泵
US12577954B2 (en) * 2024-01-09 2026-03-17 Flowserve Pte. Ltd. Axial direct drive sealless pump or turbine with deformation-resistant cover plate

Family Cites Families (9)

* 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
US3291056A (en) * 1965-04-22 1966-12-13 William W Steinman Electric motor pump
AT307236B (de) * 1969-12-16 1973-05-10 Beteiligungs A G Fuer Haustech Strömungsmaschine,insbesondere Kreiselpumpe
US3867655A (en) * 1973-11-21 1975-02-18 Entropy Ltd Shaftless energy conversion device
US4806080A (en) * 1983-07-06 1989-02-21 Ebara Corporation Pump with shaftless impeller
JPS6240054A (ja) * 1985-08-16 1987-02-21 Ebara Res Co Ltd 磁石継手
JPS62165596A (ja) * 1986-01-17 1987-07-22 Ebara Res Co Ltd ポンプ
DE3780847T2 (de) * 1986-04-08 1993-03-11 Ebara Corp Pumpe.
JPH0784875B2 (ja) * 1986-06-03 1995-09-13 株式会社荏原製作所 マグネツトポンプ

Also Published As

Publication number Publication date
EP0401761A2 (de) 1990-12-12
DE69013761D1 (de) 1994-12-08
DE69013761T2 (de) 1995-03-16
ES2066039T3 (es) 1995-03-01
EP0401761B1 (de) 1994-11-02
DK0401761T3 (da) 1994-11-21
US5149253A (en) 1992-09-22
EP0401761A3 (de) 1991-08-07

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