GB1326305A - Axial thrust compensation for centrifugal pumps - Google Patents

Axial thrust compensation for centrifugal pumps

Info

Publication number
GB1326305A
GB1326305A GB4259271A GB4259271A GB1326305A GB 1326305 A GB1326305 A GB 1326305A GB 4259271 A GB4259271 A GB 4259271A GB 4259271 A GB4259271 A GB 4259271A GB 1326305 A GB1326305 A GB 1326305A
Authority
GB
United Kingdom
Prior art keywords
seal
impeller
extension
bearing
wall
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
Application number
GB4259271A
Other languages
English (en)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1326305A publication Critical patent/GB1326305A/en
Expired legal-status Critical Current

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
    • F04D13/021—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
    • 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
    • F04D29/0416—Axial thrust balancing balancing pistons
    • 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
    • F04D29/18—Rotors
    • F04D29/186—Shaftless rotors
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2261—Rotors specially for centrifugal pumps with special measures
    • F04D29/2266—Rotors specially for centrifugal pumps with special measures for sealing or thrust balance
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
    • F16C17/18—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with floating brasses or brushing, rotatable at a reduced speed
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB4259271A 1970-09-11 1971-09-13 Axial thrust compensation for centrifugal pumps Expired GB1326305A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT826070A AT305778B (de) 1970-09-11 1970-09-11 Kreiselpumpe

Publications (1)

Publication Number Publication Date
GB1326305A true GB1326305A (en) 1973-08-08

Family

ID=3603895

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4259271A Expired GB1326305A (en) 1970-09-11 1971-09-13 Axial thrust compensation for centrifugal pumps

Country Status (7)

Country Link
US (1) US3771910A (enExample)
JP (1) JPS55170492U (enExample)
AT (1) AT305778B (enExample)
DE (1) DE2135529C3 (enExample)
FR (1) FR2109770A5 (enExample)
GB (1) GB1326305A (enExample)
SE (1) SE368604B (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538504A1 (de) * 1984-11-02 1986-06-12 Karsten Dipl.-Ing. 7148 Remseck Laing Elektromotoren-pumpeneinheit mit koaxialer durchstroemung
CN102425566A (zh) * 2011-12-15 2012-04-25 合肥新沪屏蔽泵股份有限公司 叶轮为背靠背布置的多级屏蔽电泵

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043706A (en) * 1973-06-05 1977-08-23 Alan John Walker Bearing support structure for electro-magnet driven pump
DE3128305A1 (de) * 1981-07-17 1983-02-03 Karsten 7500 Karlsruhe Laing In-line-kreiselpumpe
US4730989A (en) * 1984-10-11 1988-03-15 Karsten Laing Rotodynamic pump with spherical bearing
US4728268A (en) * 1984-11-02 1988-03-01 Karsten Laing Rotodynamic pump
US4615662A (en) * 1985-11-21 1986-10-07 Karsten Laing Axial thrust compensation for centrifugal pump
DE3643565A1 (de) * 1985-12-23 1987-07-09 Klifa Gmbh & Co Wasserpumpe fuer ein kraftfahrzeug
US4984972A (en) * 1989-10-24 1991-01-15 Minnesota Mining And Manufacturing Co. Centrifugal blood pump
US5795127A (en) * 1995-10-20 1998-08-18 Tecumseh Products Company Vertical shaft self-priming centrifugal pump
US6264440B1 (en) * 1998-10-29 2001-07-24 Innovative Mag-Drive, L.L.C. Centrifugal pump having an axial thrust balancing system
US6416215B1 (en) 1999-12-14 2002-07-09 University Of Kentucky Research Foundation Pumping or mixing system using a levitating magnetic element
FR2788313B1 (fr) * 1999-01-13 2001-03-30 Technicatome Pompe centrifuge a moteur discoidal integre destinee a la circulation d'ammoniac dans un satellite
US6758593B1 (en) 2000-10-09 2004-07-06 Levtech, Inc. Pumping or mixing system using a levitating magnetic element, related system components, and related methods
DE102004019721A1 (de) * 2004-03-18 2005-10-06 Medos Medizintechnik Ag Pumpe
DE102004019718A1 (de) * 2004-03-18 2005-10-06 Medos Medizintechnik Ag Pumpe
EP2273124B1 (de) * 2009-07-06 2015-02-25 Levitronix GmbH Zentrifugalpumpe und Verfahren zum Ausgleichen des axialen Schubs in einer Zentrifugalpumpe
WO2011103356A1 (en) 2010-02-17 2011-08-25 Novita Therapeutics, Llc System and method to increase the overall diameter of veins
US9555174B2 (en) * 2010-02-17 2017-01-31 Flow Forward Medical, Inc. Blood pump systems and methods
US9662431B2 (en) 2010-02-17 2017-05-30 Flow Forward Medical, Inc. Blood pump systems and methods
CA2845086C (en) 2011-08-17 2023-02-14 Novita Therapeutics, Llc Blood pump systems and methods
CN107242890B (zh) 2011-08-17 2021-05-28 爱提奥医药股份有限公司 增加静脉和动脉的总直径的系统和方法
US10258730B2 (en) 2012-08-17 2019-04-16 Flow Forward Medical, Inc. Blood pump systems and methods
KR20140062779A (ko) * 2012-11-15 2014-05-26 삼성전기주식회사 임펠러 및 이를 포함하는 전동 송풍기
CN104179694B (zh) * 2014-08-29 2016-02-17 夏善胜 直流无阻泵
EP3154166B1 (en) * 2015-10-08 2022-11-30 Skf Magnetic Mechatronics Rotary machine having magnetic and mechanical bearings
BR112018072194A2 (pt) 2016-04-29 2019-02-12 Flow Forward Medical, Inc. pontas de conduto e sistemas e métodos para uso
US11371326B2 (en) 2020-06-01 2022-06-28 Saudi Arabian Oil Company Downhole pump with switched reluctance motor
US11499563B2 (en) 2020-08-24 2022-11-15 Saudi Arabian Oil Company Self-balancing thrust disk
US11920469B2 (en) 2020-09-08 2024-03-05 Saudi Arabian Oil Company Determining fluid parameters
US11644351B2 (en) 2021-03-19 2023-05-09 Saudi Arabian Oil Company Multiphase flow and salinity meter with dual opposite handed helical resonators
US11591899B2 (en) 2021-04-05 2023-02-28 Saudi Arabian Oil Company Wellbore density meter using a rotor and diffuser
US11913464B2 (en) 2021-04-15 2024-02-27 Saudi Arabian Oil Company Lubricating an electric submersible pump
US11994016B2 (en) 2021-12-09 2024-05-28 Saudi Arabian Oil Company Downhole phase separation in deviated wells
US12085687B2 (en) 2022-01-10 2024-09-10 Saudi Arabian Oil Company Model-constrained multi-phase virtual flow metering and forecasting with machine learning

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810349A (en) * 1954-07-19 1957-10-22 Tormag Transmissions Ltd Direct coupled magnetic drive centrifugal pumps
US3107310A (en) * 1960-08-03 1963-10-15 Const Mecanique Magnetic coupling having a magnetic bearing
JPS4824967B1 (enExample) * 1964-11-27 1973-07-25
FR1570882A (enExample) * 1967-06-22 1969-06-13
US3447469A (en) * 1967-10-17 1969-06-03 Nikolaus Laing Induction motor having spherical airgap
BE759613A (fr) * 1969-12-01 1971-06-01 Standard Magnet A G Machine electrique rotative a refroidissement par evaporation
US3649137A (en) * 1970-11-30 1972-03-14 Nikolaus Laing Centrifugal pump with magnetic coupling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3538504A1 (de) * 1984-11-02 1986-06-12 Karsten Dipl.-Ing. 7148 Remseck Laing Elektromotoren-pumpeneinheit mit koaxialer durchstroemung
GB2182392A (en) * 1984-11-02 1987-05-13 Karsten Laing Electric-motor-driven centrifugal pump unit having axial flow through the motor
GB2182392B (en) * 1984-11-02 1989-10-25 Laing Karsten A Electric-motor-driven pump unit having coaxial throughflow
CN102425566A (zh) * 2011-12-15 2012-04-25 合肥新沪屏蔽泵股份有限公司 叶轮为背靠背布置的多级屏蔽电泵

Also Published As

Publication number Publication date
JPS55170492U (enExample) 1980-12-06
AT305778B (de) 1973-03-12
DE2135529B2 (de) 1980-01-03
DE2135529A1 (de) 1972-03-16
DE2135529C3 (de) 1980-08-28
SE368604B (enExample) 1974-07-08
FR2109770A5 (enExample) 1972-05-26
US3771910A (en) 1973-11-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee