EP0664400B1 - Pompe à entraínement magnétique - Google Patents

Pompe à entraínement magnétique Download PDF

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Publication number
EP0664400B1
EP0664400B1 EP94118999A EP94118999A EP0664400B1 EP 0664400 B1 EP0664400 B1 EP 0664400B1 EP 94118999 A EP94118999 A EP 94118999A EP 94118999 A EP94118999 A EP 94118999A EP 0664400 B1 EP0664400 B1 EP 0664400B1
Authority
EP
European Patent Office
Prior art keywords
impeller
bush
pump
magnetic rotor
rotor
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 - Lifetime
Application number
EP94118999A
Other languages
German (de)
English (en)
Other versions
EP0664400A1 (fr
Inventor
Stefan C/O Munsch Kunststoff- Munsch
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.)
Munsch Kuststoff-Schweisstechnik GmbH
Original Assignee
Munsch Kuststoff-Schweisstechnik 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 Munsch Kuststoff-Schweisstechnik GmbH filed Critical Munsch Kuststoff-Schweisstechnik GmbH
Publication of EP0664400A1 publication Critical patent/EP0664400A1/fr
Application granted granted Critical
Publication of EP0664400B1 publication Critical patent/EP0664400B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F04D29/047—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
    • 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
    • F04D29/0465—Ceramic bearing designs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F05C2203/0804—Non-oxide ceramics
    • F05C2203/0813—Carbides

Definitions

  • the invention relates to a magnetic pump for corrosive media according to the preamble of claim 1.
  • the pump shaft is made of metal and is via a bearing shell and bearing rings made of silicon carbide in Plain bearing bushes, preferably made of the same material as the bearing shell, stored.
  • US-A-4 850 818 discloses a corrosion resistant magnetic pump with a shaft made of ceramic material and a graduated Area, with the shaft over its graduated area in cooperation with a ceramic bearing bush Storage material works together.
  • a plain bearing for the rotor is one Pump with at least one radial bearing and two axial bearings known.
  • the invention has for its object the generic To further develop the magnetic pump in such a way that with simplified Build up the corrosion resistance against aggressive media is further improved.
  • Claim 2 gives a preferred embodiment according to the Invention.
  • the drawing consists of a single figure an embodiment of a magnetic pump according to the Invention in axial longitudinal section.
  • the magnetic pump according to the invention in the embodiment shown there one on a with a drive motor, not shown provided motor pin 10 seated drive rotor 12 on one on the outer circumference of a containment shell 14 Plastic material, arranged drive magnet ring 16 wears. Inside the can 14 is a magnet rotor 18 rotatably mounted, the magnet rotor magnetic ring 20 over the wall of the containment shell with the drive magnet ring 16 of the drive rotor 12 magnetic is coupled.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Sliding-Contact Bearings (AREA)
  • Valve Device For Special Equipments (AREA)
  • Sheets, Magazines, And Separation Thereof (AREA)
  • Magnetically Actuated Valves (AREA)
  • Fuel-Injection Apparatus (AREA)

Claims (2)

  1. Pompe à commande magnétique pour substances corrosives, comprenant un rotor d'entraínement (12), commandé par moteur et placé au niveau de la périphérie extérieure d'un pot à fente (14), un rotor magnétique (18), placé à l'intérieur du pot à fente (14), pouvant être entraíné en rotation par le rotor d'entraínement (12) et à couplage magnétique avec celui-ci, ainsi qu'un arbre de pompe (26), relié par une extrémité, de manière solidaire, au rotor magnétique (18) et, par son autre extrémité, de manière solidaire, à une couronne mobile (38), cet arbre étant monté, radialement et axialement, dans une partie arrière de la pompe, dans deux coussinets lisses (28, 30) en carbure de silicium, le coussinet lisse (28) voisin de la couronne mobile (38) et destiné à l'arbre de pompe (26) présentant une première surface frontale d'appui (34) de forme annulaire, mise à découvert et dirigée vers la couronne mobile (38), tandis que le coussinet lisse (30), voisin du rotor magnétique (18) et destiné à l'arbre de pompe (26), présente une deuxième surface frontale d'appui (32), de forme annulaire et mise à découvert, qui est dirigée vers le rotor magnétique (18), un coussinet de couronne mobile (36) en céramique dure étant relié à la couronne mobile (38) et présentant une première surface de butée (40) à découvert et dirigée vers la première surface frontale d'appui (34), tandis qu'un coussinet de rotor magnétique (22) en céramique dure est relié au rotor magnétique (18) et présente une deuxième surface de butée (24) à découvert et dirigée vers la deuxième surface frontale d'appui (30), caractérisée en ce que l'arbre de pompe (26) est fait en une céramique dure, en ce que le coussinet de couronne mobile (36) est scellé de manière solidaire avec la couronne mobile (38) de même que le coussinet de rotor magnétique (22) avec le rotor magnétique (18) ; en ce que l'arbre de pompe (26) est relié, de manière solidaire et à engagement positif, par l'intermédiaire de chaque fois un profilé pour arbres cannelés, au coussinet de couronne mobile (36) et au coussinet de rotor magnétique (22) ; et en ce que les surfaces du pot à fente (14), de la partie arrière de la pompe, de la couronne mobile (38) et du rotor magnétique (18), situées vers l'intérieur de la pompe, consistent en une matière plastique.
  2. Pompe à commande magnétique selon la revendication 1, caractérisée en ce qu'on prévoit, en tant que céramique dure, du carbure de silicium, du moins pour des éléments individuels.
EP94118999A 1993-12-22 1994-12-01 Pompe à entraínement magnétique Expired - Lifetime EP0664400B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4343854A DE4343854C2 (de) 1993-12-22 1993-12-22 Magnetpumpe
DE4343854 1993-12-22
US08/488,910 US5580216A (en) 1993-12-22 1995-06-09 Magnetic pump

Publications (2)

Publication Number Publication Date
EP0664400A1 EP0664400A1 (fr) 1995-07-26
EP0664400B1 true EP0664400B1 (fr) 1999-03-17

Family

ID=25932353

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94118999A Expired - Lifetime EP0664400B1 (fr) 1993-12-22 1994-12-01 Pompe à entraínement magnétique

Country Status (6)

Country Link
US (1) US5580216A (fr)
EP (1) EP0664400B1 (fr)
AT (1) ATE177821T1 (fr)
DE (2) DE4343854C2 (fr)
DK (1) DK0664400T3 (fr)
ES (1) ES2129566T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10240800A1 (de) * 2002-08-30 2004-03-18 Munsch Chemie-Pumpen Gmbh Pumpe mit einer an ein Fördermedium grenzenden nichtmetallischen Fläche und Verfahren zur Bereitstellung eines Kleislaufs eines Fördermediums bei der Pumpe

Families Citing this family (33)

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Publication number Priority date Publication date Assignee Title
US5763973A (en) * 1996-10-30 1998-06-09 Imo Industries, Inc. Composite barrier can for a magnetic coupling
DE29716110U1 (de) * 1997-09-08 1999-01-14 Speck Pumpenfabrik Walter Spec Magnetkupplungspumpe
WO2000006899A1 (fr) * 1998-07-31 2000-02-10 Standex International Corporation Pompe a couplage magnetique
US6210133B1 (en) 1998-09-30 2001-04-03 A-Med Systems, Inc. Blood pump with sterile motor housing
US6152704A (en) * 1998-09-30 2000-11-28 A-Med Systems, Inc. Blood pump with turbine drive
DE19853563A1 (de) 1998-11-20 2000-05-31 Bayer Ag Korrosionsschutzhülse für Magnetrotoren
US6200086B1 (en) 1999-08-04 2001-03-13 Sundyne Corporation Thermal barrier for use in a mechanical seal assembly
US6261056B1 (en) 1999-09-23 2001-07-17 Alliedsignal Inc. Ceramic turbine nozzle including a radially splined mounting surface
ES2190845B1 (es) * 2000-05-30 2005-02-01 Antonio Herrero Gaspar Bomba de trasiego.
US6309188B1 (en) * 2000-06-07 2001-10-30 Michael Danner Magnetic drive centrifugal pump having ceramic bearings, ceramic thrust washers, and a water cooling channel
DE10151651A1 (de) * 2001-10-19 2003-05-08 Pierburg Gmbh Naßläuferpumpe
TWI264989B (en) * 2005-02-25 2006-10-21 Delta Electronics Inc Liquid-cooling type heat-dissipation module
FR2909169B1 (fr) * 2006-11-29 2009-02-06 Billanco Dispositif et procede de mesure de la position d'une piece mobile.
US8646382B2 (en) * 2009-05-05 2014-02-11 Pearl City Manufacturing, Inc. Convection recirculating fryer for cooking foods
JP2011032923A (ja) * 2009-07-31 2011-02-17 Yamada Seisakusho Co Ltd ウォータポンプ
KR101134968B1 (ko) * 2009-11-19 2012-04-09 현대자동차주식회사 전기식 워터 펌프
KR101072327B1 (ko) * 2009-11-19 2011-10-11 현대자동차주식회사 전기식 워터 펌프
KR101134970B1 (ko) * 2009-11-19 2012-04-09 현대자동차주식회사 전기식 워터 펌프
KR101134969B1 (ko) * 2009-11-19 2012-04-09 현대자동차주식회사 전기식 워터 펌프의 고정자 제작 방법
KR101072328B1 (ko) * 2009-11-19 2011-10-11 현대자동차주식회사 전기식 워터 펌프
CN103080557B (zh) * 2011-02-10 2015-11-25 三菱重工业株式会社 泵结构
EP2511532B1 (fr) * 2011-04-15 2015-08-05 Pompes Salmson Rotor à aimant et pompe de circulation de fluide
DE102013208460A1 (de) * 2013-05-08 2014-11-13 Ksb Aktiengesellschaft Pumpenanordnung mit einer Gleitlageranordnung
DE102013208476A1 (de) * 2013-05-08 2014-11-13 Ksb Aktiengesellschaft Pumpenanordnung
DE102013008795B3 (de) * 2013-05-24 2014-08-21 Ksb Aktiengesellschaft Pumpenanordnung
CN103603808A (zh) * 2013-11-25 2014-02-26 丹东克隆先锋泵业有限公司 磁力驱动液下泵
CN103775374A (zh) * 2014-02-19 2014-05-07 安徽卧龙泵阀有限责任公司 可空运转非金属磁力驱动泵
US9771938B2 (en) 2014-03-11 2017-09-26 Peopleflo Manufacturing, Inc. Rotary device having a radial magnetic coupling
US9920764B2 (en) 2015-09-30 2018-03-20 Peopleflo Manufacturing, Inc. Pump devices
DE102016200628A1 (de) * 2016-01-19 2017-07-20 Robert Bosch Gmbh Welle-Nabe-Verbindung
CN107882743A (zh) * 2017-11-03 2018-04-06 安徽南方化工泵业有限公司 一种带有多道密封隔离套的金属磁力泵
CN107859632A (zh) * 2017-11-03 2018-03-30 安徽南方化工泵业有限公司 一种轴向力平衡磁力泵
CN108799187A (zh) * 2018-07-17 2018-11-13 安徽南方化工泵业有限公司 一种磁力泵轴承的间隙补偿结构

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US3420184A (en) * 1967-05-17 1969-01-07 Julius L Englesberg Pump employing magnetic drive
US3969043A (en) * 1974-01-04 1976-07-13 Little Giant Corporation Process cooled submersible pump and motor assembly
GB1496035A (en) * 1974-07-18 1977-12-21 Iwaki Co Ltd Magnetically driven centrifugal pump
DE2534740C3 (de) * 1975-08-04 1983-02-03 Franz 4630 Bochum Klaus Spaltrohrkreiselpumpe
DE3307726C2 (de) * 1983-03-04 1986-04-24 Franz Klaus Union Armaturen, Pumpen Gmbh & Co, 4630 Bochum Läufer und Lagerung einer Pumpe
DE3413930A1 (de) * 1984-04-13 1985-10-31 Friedrichsfeld Gmbh, Steinzeug- Und Kunststoffwerke, 6800 Mannheim Kreiselpumpe
US4637750A (en) * 1984-05-14 1987-01-20 Ward Edward F Evaporative cooler blower rotor-shaft securing hub
JPS6352990U (fr) * 1986-09-25 1988-04-09
DE3816796A1 (de) * 1988-05-17 1989-11-30 Kempten Elektroschmelz Gmbh Laufzeug mit mechanischer kupplung
DE4108257C2 (de) * 1990-03-17 1995-01-26 Allweiler Ag Magnetkupplungspumpe
US5066200A (en) * 1990-05-17 1991-11-19 Ansimag, Inc. Double containment pumping system for pumping hazardous materials
DE9204349U1 (de) * 1992-03-31 1992-11-12 Feodor Burgmann Dichtungswerke Gmbh & Co, 8190 Wolfratshausen Anordnung zur konzentrischen Positionierung eines ersten Teiles relativ zu einem zweiten Teil, insbesondere einer Büchse gegenüber einer Welle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10240800A1 (de) * 2002-08-30 2004-03-18 Munsch Chemie-Pumpen Gmbh Pumpe mit einer an ein Fördermedium grenzenden nichtmetallischen Fläche und Verfahren zur Bereitstellung eines Kleislaufs eines Fördermediums bei der Pumpe
DE10240800B4 (de) * 2002-08-30 2005-03-24 Munsch Chemie-Pumpen Gmbh Pumpe für chemisch aggressive Fördermedien

Also Published As

Publication number Publication date
DK0664400T3 (da) 1999-10-11
DE4343854C2 (de) 1996-01-18
ATE177821T1 (de) 1999-04-15
EP0664400A1 (fr) 1995-07-26
US5580216A (en) 1996-12-03
DE4343854A1 (de) 1995-07-13
DE59407964D1 (de) 1999-04-22
ES2129566T3 (es) 1999-06-16

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