DE102004023790B4 - Umwälzpumpe und Verfahren zur Flüssigkeitsschmierung eines sphärischen Lagers in einem Elektromotor - Google Patents

Umwälzpumpe und Verfahren zur Flüssigkeitsschmierung eines sphärischen Lagers in einem Elektromotor Download PDF

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Publication number
DE102004023790B4
DE102004023790B4 DE102004023790.5A DE102004023790A DE102004023790B4 DE 102004023790 B4 DE102004023790 B4 DE 102004023790B4 DE 102004023790 A DE102004023790 A DE 102004023790A DE 102004023790 B4 DE102004023790 B4 DE 102004023790B4
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DE
Germany
Prior art keywords
circulation pump
lubrication
pump according
rotor
area
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.)
Expired - Fee Related
Application number
DE102004023790.5A
Other languages
German (de)
English (en)
Other versions
DE102004023790A1 (de
Inventor
Oliver Laing
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.)
Xylem IP Holdings LLC
Original Assignee
Xylem IP Holdings LLC
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 Xylem IP Holdings LLC filed Critical Xylem IP Holdings LLC
Priority to DE102004023790.5A priority Critical patent/DE102004023790B4/de
Priority to EP05008872.3A priority patent/EP1593852B1/de
Priority to JP2005131756A priority patent/JP4813086B2/ja
Priority to US11/123,334 priority patent/US7854599B2/en
Publication of DE102004023790A1 publication Critical patent/DE102004023790A1/de
Application granted granted Critical
Publication of DE102004023790B4 publication Critical patent/DE102004023790B4/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F04D29/0467—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
    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/06—Lubrication
    • F04D29/061—Lubrication especially adapted for liquid 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/04—Sliding-contact bearings for exclusively rotary movement for axial load only
    • F16C17/08—Sliding-contact bearings for exclusively rotary movement for axial load only for supporting the end face of a shaft or other member, e.g. footstep 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/02—Sliding-contact bearings
    • F16C23/04—Sliding-contact bearings self-adjusting
    • F16C23/043—Sliding-contact bearings self-adjusting with spherical surfaces, e.g. spherical plain 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
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/106—Details of distribution or circulation inside the bearings, e.g. details of the bearing surfaces to affect flow or pressure of the liquid
    • 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
    • F16C2380/00—Electrical apparatus
    • F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
    • 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
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/02—Sliding-contact bearings
    • F16C25/04—Sliding-contact bearings self-adjusting
    • F16C25/045—Sliding-contact bearings self-adjusting with magnetic means to preload the bearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
DE102004023790.5A 2004-05-07 2004-05-07 Umwälzpumpe und Verfahren zur Flüssigkeitsschmierung eines sphärischen Lagers in einem Elektromotor Expired - Fee Related DE102004023790B4 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE102004023790.5A DE102004023790B4 (de) 2004-05-07 2004-05-07 Umwälzpumpe und Verfahren zur Flüssigkeitsschmierung eines sphärischen Lagers in einem Elektromotor
EP05008872.3A EP1593852B1 (de) 2004-05-07 2005-04-22 Umwälzpumpe und Verfahren zur Flüssigkeitsschmierung eines sphärischen Lagers in einem Elektromotor
JP2005131756A JP4813086B2 (ja) 2004-05-07 2005-04-28 循環ポンプ、及び電気モータの球面軸受を流体潤滑するための方法
US11/123,334 US7854599B2 (en) 2004-05-07 2005-05-05 Circulating pump and method for the fluid lubrication of a spherical bearing in an electric motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004023790.5A DE102004023790B4 (de) 2004-05-07 2004-05-07 Umwälzpumpe und Verfahren zur Flüssigkeitsschmierung eines sphärischen Lagers in einem Elektromotor

Publications (2)

Publication Number Publication Date
DE102004023790A1 DE102004023790A1 (de) 2005-12-01
DE102004023790B4 true DE102004023790B4 (de) 2016-02-18

Family

ID=34935604

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102004023790.5A Expired - Fee Related DE102004023790B4 (de) 2004-05-07 2004-05-07 Umwälzpumpe und Verfahren zur Flüssigkeitsschmierung eines sphärischen Lagers in einem Elektromotor

Country Status (4)

Country Link
US (1) US7854599B2 (enExample)
EP (1) EP1593852B1 (enExample)
JP (1) JP4813086B2 (enExample)
DE (1) DE102004023790B4 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008023574A1 (de) 2008-05-05 2009-11-12 Laing, Oliver Umwälzpumpe
DE102015111788A1 (de) 2015-07-21 2017-01-26 Deutsches Zentrum für Luft- und Raumfahrt e.V. Gleitlagervorrichtung
EP3176438B1 (de) * 2015-12-03 2020-04-08 Grundfos Holding A/S Pumpenaggregat
WO2020180640A1 (en) * 2019-03-01 2020-09-10 Vapotherm, Inc. Rotor having an encapsulated magnetic ring for use in caustic environments
CN111156175B (zh) * 2020-01-16 2024-05-10 广东骏驰科技股份有限公司 一种电动水泵内部冷却系统
CN119532189B (zh) * 2024-12-23 2025-11-04 合肥新沪屏蔽泵有限公司 一种屏蔽式球形转子泵

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730989A (en) * 1984-10-11 1988-03-15 Karsten Laing Rotodynamic pump with spherical bearing
DE19629843A1 (de) * 1996-07-24 1998-01-29 Laing Oliver Notschmiervorrichtung für Kreiselpumpen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51147302U (enExample) * 1975-05-21 1976-11-26
DE3701562C2 (de) 1986-03-12 1996-02-08 Wilo Gmbh Kreiselpumpe mit Spaltrohrmotor
FR2611232B1 (fr) * 1987-02-20 1991-08-30 Melchior Jean Piston pour moteurs a combustion interne et machines analogues
JPH0412084A (ja) * 1990-04-27 1992-01-16 Nkk Corp シリコン単結晶の製造装置
JPH0996298A (ja) * 1995-10-03 1997-04-08 Kubota Corp 球体モータポンプ
DE19548471C1 (de) 1995-12-22 1997-06-05 Grundfos As Umwälzpumpenaggregat
JP3076235B2 (ja) * 1995-12-27 2000-08-14 株式会社クボタ 球体モータポンプ
JPH1082370A (ja) * 1996-09-09 1998-03-31 Kubota Corp ポンプおよびポンプシステム
DE10059458A1 (de) 2000-11-30 2002-06-13 Grundfos As Elektrischer Antriebsmotor für eine Kreiselpumpe für insbesondere Heizungsanlagen
JP2002369474A (ja) * 2001-06-06 2002-12-20 Nsk Ltd インペラ軸支持用転がり軸受装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4730989A (en) * 1984-10-11 1988-03-15 Karsten Laing Rotodynamic pump with spherical bearing
DE19629843A1 (de) * 1996-07-24 1998-01-29 Laing Oliver Notschmiervorrichtung für Kreiselpumpen

Also Published As

Publication number Publication date
US20060285985A1 (en) 2006-12-21
EP1593852A2 (de) 2005-11-09
US7854599B2 (en) 2010-12-21
JP2005320969A (ja) 2005-11-17
DE102004023790A1 (de) 2005-12-01
EP1593852B1 (de) 2016-11-16
EP1593852A3 (de) 2012-10-31
JP4813086B2 (ja) 2011-11-09

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OP8 Request for examination as to paragraph 44 patent law
8127 New person/name/address of the applicant

Owner name: VAILLANT GMBH, 42859 REMSCHEID, DE

8127 New person/name/address of the applicant

Owner name: ITT MANUFACTURING ENTERPRISES, INC., WILMINGTO, US

8128 New person/name/address of the agent

Representative=s name: HOEGER, STELLRECHT & PARTNER PATENTANWAELTE, 70182

R082 Change of representative

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R081 Change of applicant/patentee

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Free format text: FORMER OWNER: ITT MANUFACTURING ENTERPRISES, INC., WILMINGTON, US

Effective date: 20130513

Owner name: XYLEM IP HOLDINGS LLC, WHITE PLAINS, US

Free format text: FORMER OWNER: ITT MANUFACTURING ENTERPRISES, INC., WILMINGTON, DEL., US

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R020 Patent grant now final
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee