EP0664400B1 - Magnetpumpe - Google Patents
Magnetpumpe Download PDFInfo
- 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
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 14
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 11
- 229920002994 synthetic fiber Polymers 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
Images
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)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sliding-Contact Bearings (AREA)
- Valve Device For Special Equipments (AREA)
- Fuel-Injection Apparatus (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Magnetically Actuated Valves (AREA)
Description
- 10
- Motorzapfen
- 12
- Antriebsrotor
- 14
- Spalttopf
- 16
- Antriebsmagnetkranz
- 18
- Magnetrotor
- 20
- Magnetrotormagnetkranz
- 22
- Magnetrotorbuchse
- 24
- Axiallagerfläche
- 26
- Pumpenwelle
- 28
- Gleitlagerbuchse
- 30
- Gleitlagerbuchse
- 32
- Stirnlagerfläche
- 34
- Stirnlagerfläche
- 36
- Laufradbuchse
- 38
- Laufrad
- 40
- Axiallagerfläche
Claims (2)
- Magnetpumpe für korrosive Medien, mit einem motorbetriebenen, am Außenumfang eines Spalttopfes (14) angeordneten Antriebsrotor (12), einem innerhalb des Spalttopfes (14) angeordneten, von dem Antriebsrotor (12) bei der Rotation mitnehmbaren und mit diesem magnetisch gekuppelten Magnetrotor (18) und einer an ihrem einen Ende drehfest mit dem Magnetrotor (18) und an ihrem anderen Ende drehfest mit einem Laufrad (38) verbundenen Pumpenwelle (26), die in einem Pumpenrückteil in zwei Gleitlagerbuchsen (28, 30) aus Siliciumcarbid radial und axial gelagert ist, wobei die dem Laufrad (38) benachbarte Gleitlagerbuchse (28) für die Pumpenwelle (26) eine dem Laufrad (38) zugewandte erste freiliegende kreisringförmige Stirnlagerfläche (34) aufweist, die dem Magnetrotor (18) benachbarte Gleitlagerbuchse (30) für die Pumpenwelle (26) eine dem Magnetrotor (18) zugewandte zweite freiliegende kreisringförmige Stirnlagerfäche (32) aufweist, mit dem Laufrad (38) eine Laufradbuchse (36) aus Hartkeramik verbunden ist, die eine der ersten Stirnlagerfläche (34) zugewandte freiliegende erste Axiallagerfläche (40) aufweist, und mit dem Magnetrotor (18) eine Magnetrotorbuchse (22) aus Hartkeramik verbunden ist, die eine der zweiten Stirnlagerfläche (30) zugewandte freiliegende zweite Axiallagerfläche (24) aufweist, dadurch gekennzeichnet, daß die Pumpenwelle (26) aus Hartkeramik besteht; daß die Laufradbuchse (36) mit dem Laufrad (38) und die Magnetrotorbuchse (22) mit dem Magnetrotor (18) drehfest vergossen sind; daß die Pumpenwelle (26) über je ein Polygonprofil formschlüssig mit der Laufradbuchse (36) und der Magnetrotorbuchse (22) drehfest verbunden ist; und daß die Oberflächen des Spalttopfes (14), des Pumpenrückteiles, des Laufrades (38) und des Magnetrotors (18) zum Pumpeninneren aus Kunststoff bestehen.
- Magnetpumpe nach Anspruch 1, dadurch gekennzeichnet, daß als Hartkeramik zumindest für einzelne Bauteile Siliciumcarbid vorgesehen ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4343854 | 1993-12-22 | ||
DE4343854A DE4343854C2 (de) | 1993-12-22 | 1993-12-22 | Magnetpumpe |
US08/488,910 US5580216A (en) | 1993-12-22 | 1995-06-09 | Magnetic pump |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0664400A1 EP0664400A1 (de) | 1995-07-26 |
EP0664400B1 true EP0664400B1 (de) | 1999-03-17 |
Family
ID=25932353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94118999A Expired - Lifetime EP0664400B1 (de) | 1993-12-22 | 1994-12-01 | Magnetpumpe |
Country Status (6)
Country | Link |
---|---|
US (1) | US5580216A (de) |
EP (1) | EP0664400B1 (de) |
AT (1) | ATE177821T1 (de) |
DE (2) | DE4343854C2 (de) |
DK (1) | DK0664400T3 (de) |
ES (1) | ES2129566T3 (de) |
Cited By (1)
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)
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 (en) * | 1998-07-31 | 2000-02-10 | Standex International Corporation | Magnetically coupled pump |
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 |
KR101072328B1 (ko) * | 2009-11-19 | 2011-10-11 | 현대자동차주식회사 | 전기식 워터 펌프 |
KR101134969B1 (ko) * | 2009-11-19 | 2012-04-09 | 현대자동차주식회사 | 전기식 워터 펌프의 고정자 제작 방법 |
KR101072327B1 (ko) * | 2009-11-19 | 2011-10-11 | 현대자동차주식회사 | 전기식 워터 펌프 |
KR101134968B1 (ko) * | 2009-11-19 | 2012-04-09 | 현대자동차주식회사 | 전기식 워터 펌프 |
KR101134970B1 (ko) * | 2009-11-19 | 2012-04-09 | 현대자동차주식회사 | 전기식 워터 펌프 |
US8985969B2 (en) * | 2011-02-10 | 2015-03-24 | Mitsubishi Heavy Industries, Ltd. | Pump configuration |
EP2511532B1 (de) * | 2011-04-15 | 2015-08-05 | Pompes Salmson | Magnetrotor und Fluid-Umwälzpumpe |
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 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 (de) * | 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 |
-
1993
- 1993-12-22 DE DE4343854A patent/DE4343854C2/de not_active Expired - Fee Related
-
1994
- 1994-12-01 DK DK94118999T patent/DK0664400T3/da active
- 1994-12-01 DE DE59407964T patent/DE59407964D1/de not_active Expired - Fee Related
- 1994-12-01 EP EP94118999A patent/EP0664400B1/de not_active Expired - Lifetime
- 1994-12-01 AT AT94118999T patent/ATE177821T1/de not_active IP Right Cessation
- 1994-12-01 ES ES94118999T patent/ES2129566T3/es not_active Expired - Lifetime
-
1995
- 1995-06-09 US US08/488,910 patent/US5580216A/en not_active Expired - Fee Related
Cited By (2)
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 |
---|---|
ES2129566T3 (es) | 1999-06-16 |
US5580216A (en) | 1996-12-03 |
DE59407964D1 (de) | 1999-04-22 |
DE4343854C2 (de) | 1996-01-18 |
DE4343854A1 (de) | 1995-07-13 |
EP0664400A1 (de) | 1995-07-26 |
ATE177821T1 (de) | 1999-04-15 |
DK0664400T3 (da) | 1999-10-11 |
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