EP2199616A3 - Centrifugal pump with fixed axis - Google Patents

Centrifugal pump with fixed axis Download PDF

Info

Publication number
EP2199616A3
EP2199616A3 EP09012896A EP09012896A EP2199616A3 EP 2199616 A3 EP2199616 A3 EP 2199616A3 EP 09012896 A EP09012896 A EP 09012896A EP 09012896 A EP09012896 A EP 09012896A EP 2199616 A3 EP2199616 A3 EP 2199616A3
Authority
EP
European Patent Office
Prior art keywords
pump
centrifugal pump
axis
fixed axis
suction nozzle
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.)
Granted
Application number
EP09012896A
Other languages
German (de)
French (fr)
Other versions
EP2199616A2 (en
EP2199616B1 (en
Inventor
Michael John Werson
Colin Richard French
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Buehler Motor GmbH
Original Assignee
Buehler Motor GmbH
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 Buehler Motor GmbH filed Critical Buehler Motor GmbH
Publication of EP2199616A2 publication Critical patent/EP2199616A2/en
Publication of EP2199616A3 publication Critical patent/EP2199616A3/en
Application granted granted Critical
Publication of EP2199616B1 publication Critical patent/EP2199616B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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
    • F04D13/021—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
    • F04D13/027—Details of the magnetic circuit
    • 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
    • F04D13/0606—Canned motor pumps
    • F04D13/0633—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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/041—Axial thrust balancing
    • F04D29/0413—Axial thrust balancing hydrostatic; hydrodynamic thrust 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
    • F04D29/043—Shafts
    • 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
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/60—Shafts
    • F05D2240/61—Hollow
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making
    • Y10T29/49245—Vane type or other rotary, e.g., fan

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Die Erfindung betrifft eine Kreiselpumpe (1), mit einem mehrteiligen Pumpengehäuse (4), das einen Saugstutzen (6) und einen Druckstutzen (7) umfasst, einem auf einer feststehenden Achse (3) gelagerten Pumpenlaufrad (5), wobei das Pumpenlaufrad (5) als Permanentmagnetrotor ausgebildet ist, der mit einem Elektromagnetstator zusammenwirkt. Es ist Aufgabe der Erfindung bei einer Kreiselpumpe der eingangs genannten Gattung für einen hervorragenden Wirkungsgrad bei einer kompakten Bauweise zu erreichen. Weiter soll die Kreiselpumpe eine hohe Lebensdauer und eine verbesserte Wärmeabfuhr gewährleisten. Diese Aufgabe wird erfindungsgemäß dadurch gelöst, dass die Achse (3) mit einem als Pumpenkopf bezeichneten ersten Pumpengehäuseteil (2), das den Saugstutzen (6) umfasst oder an diesen angeschlossen ist, fest verbunden ist, wobei die Achse (3) eine Symmetrieachse zu einem Innenwandungsbereich des Pumpenkopfs (2) bildet.

Figure imgaf001
The invention relates to a centrifugal pump (1) comprising a multipart pump housing (4) comprising a suction nozzle (6) and a discharge nozzle (7), a pump impeller (5) mounted on a stationary axle (3), the pump impeller (5 ) is designed as a permanent magnet rotor, which cooperates with an electromagnetic stator. It is an object of the invention to achieve a centrifugal pump of the type mentioned for excellent efficiency in a compact design. Next, the centrifugal pump to ensure a long life and improved heat dissipation. This object is achieved in that the axis (3) with a pump head called first pump housing part (2), which comprises the suction nozzle (6) or is connected to this, is firmly connected, wherein the axis (3) to an axis of symmetry an inner wall region of the pump head (2).
Figure imgaf001
EP09012896.8A 2008-12-19 2009-10-13 Centrifugal pump with fixed axis Not-in-force EP2199616B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008064099.9A DE102008064099B4 (en) 2008-12-19 2008-12-19 Centrifugal pump with a fixed axis

Publications (3)

Publication Number Publication Date
EP2199616A2 EP2199616A2 (en) 2010-06-23
EP2199616A3 true EP2199616A3 (en) 2012-07-11
EP2199616B1 EP2199616B1 (en) 2014-12-10

Family

ID=41319468

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09012896.8A Not-in-force EP2199616B1 (en) 2008-12-19 2009-10-13 Centrifugal pump with fixed axis

Country Status (3)

Country Link
US (1) US8303268B2 (en)
EP (1) EP2199616B1 (en)
DE (1) DE102008064099B4 (en)

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NO327557B2 (en) * 2007-10-09 2013-02-04 Aker Subsea As Pump protection system
KR101237023B1 (en) * 2010-05-19 2013-02-25 주식회사 아모텍 Perfect Waterproof Fluid Pump
WO2012042919A1 (en) * 2010-09-27 2012-04-05 日機装株式会社 Pressure-tight, explosion-proof connector
US8905729B2 (en) * 2011-12-30 2014-12-09 Peopleflo Manufacturing, Inc. Rotodynamic pump with electro-magnet coupling inside the impeller
US8931455B2 (en) * 2012-03-23 2015-01-13 Boots Rolf Hughston Rotary engine
KR101481627B1 (en) * 2012-06-11 2015-01-14 주식회사 아모텍 Water pump
CN103696979B (en) * 2013-12-26 2016-03-30 重庆水泵厂有限责任公司 Axle can the centrifugal pump of free expansion or free shrink
CN104196750B (en) * 2014-09-01 2016-05-18 青蛙泵业有限公司 A kind of deep well pump rotor major axis and processing technology thereof
TW201634817A (en) * 2015-03-30 2016-10-01 林聖梁 Water pump device
CN106300722A (en) * 2015-05-18 2017-01-04 德昌电机(深圳)有限公司 Motor and electrodynamic pump
CN105156358A (en) * 2015-09-29 2015-12-16 佛山市威灵洗涤电机制造有限公司 Centrifugal pump
DE102016202417A1 (en) * 2016-02-17 2017-08-17 Bühler Motor GmbH rotary pump
DE102016206406A1 (en) * 2016-04-15 2017-10-19 Bühler Motor GmbH Pump motor with a containment shell
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
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
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
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
DE102017204947A1 (en) * 2017-03-23 2018-09-27 Volkswagen Aktiengesellschaft External rotor rotor of a pump and pump with such external rotor rotor
US11323003B2 (en) 2017-10-25 2022-05-03 Flowserve Management Company Compact, modular, pump or turbine with integral modular motor or generator and coaxial fluid flow
US11724813B2 (en) 2021-05-24 2023-08-15 General Electric Company Midshaft rating for turbomachine engines
CN113738657B (en) * 2021-11-03 2022-03-15 西安泵阀总厂有限公司 Rare earth permanent magnet motor driven centrifugal pump and self-lubricating method

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EP1329638A1 (en) * 2002-01-18 2003-07-23 CP Pumpen AG Magnetically coupled centrifugal pump
DE102006034385A1 (en) * 2006-07-25 2008-01-31 Robert Bosch Gmbh Fluid pump and method for producing a fluid pump

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JPS5114803U (en) * 1974-07-18 1976-02-03
US4013384A (en) * 1974-07-18 1977-03-22 Iwaki Co., Ltd. Magnetically driven centrifugal pump and means providing cooling fluid flow
DE19646617A1 (en) * 1996-11-12 1998-05-14 Pierburg Ag Coolant pump with electrically commutated electric motor e.g. for IC engine
JP2002257074A (en) * 2001-02-28 2002-09-11 Asmo Co Ltd Fluid pump device
EP1329638A1 (en) * 2002-01-18 2003-07-23 CP Pumpen AG Magnetically coupled centrifugal pump
DE102006034385A1 (en) * 2006-07-25 2008-01-31 Robert Bosch Gmbh Fluid pump and method for producing a fluid pump

Also Published As

Publication number Publication date
US20100158725A1 (en) 2010-06-24
EP2199616A2 (en) 2010-06-23
DE102008064099A1 (en) 2010-07-01
US8303268B2 (en) 2012-11-06
DE102008064099B4 (en) 2016-05-04
EP2199616B1 (en) 2014-12-10

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