EP1353074A2 - Kreiselpumpe mit integriertem Magnetfilter - Google Patents
Kreiselpumpe mit integriertem Magnetfilter Download PDFInfo
- Publication number
- EP1353074A2 EP1353074A2 EP03005993A EP03005993A EP1353074A2 EP 1353074 A2 EP1353074 A2 EP 1353074A2 EP 03005993 A EP03005993 A EP 03005993A EP 03005993 A EP03005993 A EP 03005993A EP 1353074 A2 EP1353074 A2 EP 1353074A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- pump
- space
- rotor
- magnets
- impeller
- 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.)
- Withdrawn
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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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
Definitions
- the present invention relates to a centrifugal pump with a pump housing, in which a pump impeller rotates in an impeller space, the Impeller space is surrounded by a spiral space.
- Such pumps are generally known. You will be particularly interested in Heating systems used to promote the heating water, if necessary can also be provided with glycol additives.
- the heating water is often included with ferromagnetic particles, for example with iron, nickel or cobalt particles contaminated, which arise in part from oxidation of the system components and which are distributed in the heating circuit.
- Magnetic filters For filtering ferromagnetic abrasion or mixtures of ferromagnetic Particles and associated non-magnetic metallic, ceramic, textile or other solid particles Liquids are also known as magnetic filters.
- a problem with such Magnetic filters lies in the fact that they are particularly useful of permanent magnets either not at all, or only under large ones Difficulty cleaning or backwashing or flushing without the To interrupt the filtering process. For this cleaning are always very complex Construction required.
- a magnetic filter is known from DE 31 23 229 A1, in which the filter element must be washed if there is a large amount has pulled ferromagnetic particles out of the fluid.
- a magnetic filter in which the Magnetic bodies are movably mounted for cleaning.
- the Magnetic body moves along an envelope in an end position in which the magnetic body partly in the filter room and partly in a dirt chamber is located, on the enveloping body at least one surrounding locking device is arranged, which in the return movement of the magnetic body its initial position scrapes adhering particles from the magnetic body.
- This device is also associated with a very complex design. So it is not only expensive to manufacture, but it is due to the Friction on the moving parts also prone to wear and thus to Dysfunction.
- DE 31 46 858 describes a continuously operating magnetic filter in which an endless magnetic ring tube is provided, which is only too part of its circumference is in the liquid to be filtered and that is rotated over driving rollers, being in an upper area outside of the filtering liquid wipers are arranged on the magnetic ring tube wipe off adhering ferromagnetic particles.
- This device is also structurally complex and associated with high costs. Because of the friction The wipers can also wear and thus malfunction come.
- the object of the present invention is therefore to produce an inexpensive one and easy to handle pump of the type mentioned to create the in a structurally simple manner and with low flow resistance continuous filtering of ferromagnetic particles from the conveyed Liquid allows and easy cleaning of the filter takes place.
- At least one magnet is integrated, which is arranged in an area is that directly or indirectly to the impeller space and / or to the spiral space and / or to one between the spiral space and the impeller space located annulus adjacent.
- the main advantage is that the ferromagnetic particles in one Area of the pump housing can be collected in the relatively high Flow velocities of the delivered fluid prevail. That is why the forces transferred from the flow to the particles are particularly large here.
- the force exerted by the flow on the dirt particles leads thus for flushing out the adhering particles from the pump.
- There they can be collected in suitable filters if necessary can be made relatively coarse.
- a pump with a Integrated magnetic filter created that is not only stable with a continuous Filtering can be operated, but also at the given Automatic cleaning or flushing of the magnetic filter he follows.
- the filtering process is not interrupted during cleaning.
- the centrifugal pump according to the invention is inexpensive with a simple construction to manufacture and easy to assemble and handle.
- a magnet can be ring-shaped be trained and spread over the entire scope of the Extend pump housing. According to an alternative embodiment can also separate magnets in this area of the Pump housing may be arranged.
- Pump designed as a canned pump or can pump, with a Pump driving electric motor is provided, which with the pump impeller rotatably connected rotor rotates as a wet rotor in a wet room, the via at least one connecting channel with the impeller chamber and / or with the spiral space and / or with the annular space of the pump housing connected and in contact with the conveyed medium, the stator the engine through a can or a can from the wet room and the conveyed medium is separated.
- the magnet (s) advantageously either directly in the area or preferably immediately arranged next to the area in which the connecting channel or Connection channels in the impeller space or in the spiral space and / or in the Open the annulus of the pump housing.
- Such pumps are often used in heating systems in particular Wet rotor design used.
- new types of electric motors often used permanent magnetic materials, which due to the Construction of the pump to be flushed by the fluid. This could ferromagnetic particles in the medium are critical to them accumulate significant places and sustained destruction by abrasion of the pump motor or cause the motor to become blocked. That is why it is particularly important with this type of construction, the engine compartment or wet room with its sensitive permanent magnets against Contamination from the pumped medium and, if necessary, from it to protect contained impurities.
- the solution according to the invention can provide effective protection for the Engine compartment can be achieved by the appropriate arrangement of magnets.
- the Magnets are in the vicinity of the spiral space or the annular space Pump attached so that they accumulate the ferromagnetic dirt particles, before they can get into the engine compartment. Damage the pump or a destruction of the motor by such dirt particles can therefore be prevented effectively.
- the connecting channel is through a Sealing gap or through a labyrinth seal with several sealing gaps is formed.
- the engine compartment is also against a high Liquid exchange to the pump room protected.
- the magnet or magnets in a distance radially outside the mouth of the sealing gap at the spiral space and / or is or are arranged on the annular space. Because of the prevailing here high flow velocities are due to the dirt particles transferred forces so large that after a short time at a relative low accumulation of dirt particles, cleaning with the The dirt particles are flushed out of the pressure port of the pump.
- the magnet or magnets is preferably arranged in an area in which enough space to collect a certain amount of ferromagnetic Particle is present. In this way, the invention Device also with a pump with a lower speed and thus with lower flow forces are used.
- the rotor is axially in at least one direction by means of a Magnetic bearing is mounted, on the rotor or on a fixed to the Rotor connected part rotating magnets and on the pump housing or on a part firmly connected to the pump housing interacting fixed magnets are arranged and wherein the fixed magnets either directly in the area or preferably is / are located directly next to the area in which the connecting channel or the connecting channels in the impeller space and / or in the Open spiral space and / or in the annulus of the pump housing.
- the advantages of the invention can thus be obtained in a particularly advantageous manner
- Device with the advantages of magnetic storage of the Rotors namely the advantages of a particularly quiet and very low-friction Rotor run and thus a particularly high efficiency of the pump, can be connected without additional magnetic components required are.
- the pump can therefore be particularly small and be carried out inexpensively.
- the rotor is outside the stator revolves, the revolving magnets in the outer peripheral region of the Rotors are arranged.
- the rotor rotates within the stator, whereby at least one carrier element firmly connected to the rotor, in particular a disc is provided on which the rotating magnets, in particular are arranged in the outer peripheral region. In both cases they are Magnets in the area of particularly high flow velocities and thus especially large cleaning staff to tear away the dirt particles arranged.
- the magnets especially the rotating magnets and the fixed Magnets can be formed by permanent magnets.
- the fixed magnets Form electromagnets so as to control the axial position of the rotor or to be able to regulate.
- the magnet or magnets is replaced by a Wall of the pump housing from the impeller chamber and / or from the Spiral space and / or is or are separated from the annulus, which is a relative has a small thickness.
- a thickness between 0.3 and 5 mm, in particular proposed by 1 mm.
- the pump housing at least in the area of the magnet or in the area of the magnets, but preferably made entirely of a non-magnetic or non-magnetizable material is executed.
- the pumps 1 shown in the figures are of the wet rotor type executed, the electric motor 2 driving the pump 1 having a rotor 3 has, which rotates as a wet runner in a wet room 4 in the medium being pumped.
- the wet room 4 is through a can 5 ( Figure 3) or other suitable Sealant 6 ( Figure 1) separated from the drying room 7, in which the Stator 8 of the electric motor 2 is located.
- the pump 1 has a pressure port 10 and a on the pump housing 9 Intake 11 is located in the impeller chamber 12 of the pump housing 9 Pump impeller 13 that rotates with the motor shaft 14 of the electric motor 2 connected is.
- the impeller chamber 12 is surrounded radially on the outside by a spiral space 15 which increases in size over the circumference of the impeller chamber 12 and in the Pressure port 10 opens. Between the impeller space 12 and the spiral space 15 is an annular space 16, which the transition from the impeller space 12 in forms the spiral space 15.
- An annular connecting channel 17 connects the annular space 16 with the Wet room 4.
- Connection channel 17 also a labyrinth seal with two sealing gaps 18th The pumped liquid is in contact with the connection channel 17 the rotor 3 rotating in the wet area 4.
- a plurality of magnets 19 are arranged in the pump housing 9, which are located in an area 20 which is indirect over the thin Housing wall 21 adjacent to the annular space 16 and the spiral space 15.
- a single magnet 19 is already sufficient, a particularly good one can Filter effect can be achieved in that a plurality of magnets 19 over the Circumference of the annular space or the spiral space are arranged distributed.
- a continuous, ring-shaped magnet 19 can be used.
- the magnet 19 is located a short distance radially outside the Mouth of the connecting channel 17 in the annular space 16. Thus is radial enough space inside and outside around area 20 for Available, in which the ferromagnetic particles to be filtered out can accumulate. As soon as there is a certain number of dirt particles has accumulated, especially from the smallest iron, nickel or Cobalt particles can be formed, they are gravitational pumped liquid carried away and with the flow through the spiral space 15 in the pressure port 10 and thus flushed out of the pump 1.
- the magnets 19 also form one at the same time Part of a magnetic axial bearing of the rotor 3 Rotor 3 in the embodiment of Figure 1 on its outer peripheral region also magnets 22, which are opposite the magnets 19 and repel them.
- This magnetic bearing 19, 22 supports the rotor 3 with the impeller 13 thus in Figures 1 and 2 against displacement to the left to the pump housing 9.
- the rotor 3 also magnetically or by other bearing means, especially by axial Plain bearings must be stored. It is also possible to float the rotor 3 store, where between the magnetic forces of the magnetic bearing 19, 22 and the hydraulic forces balance forces.
- the motor housing 24 advantageously a slide washer, which the opposite the end of the motor shaft 14 facing away from the pump housing. In the radial direction, the motor shaft 14 is also in plain bearings 23 stored.
- the rotor 3 runs radially outside the stator 8 um.
- the magnets 22 can be relative large diameter, which corresponds to the diameter, on which the magnets 19 are arranged in the pump housing 9.
- a Large diameter is an advantage because it is located radially further out Area where the liquid is flowing at a higher speed and thus larger flushing forces on the accumulated ferromagnetic Dirt particles are exerted.
- the rotor 3 runs radially inside the stator 8 um.
- a disk 26 can be reached on the suction nozzle 11 facing away from the rear of the pump impeller 13 on the motor shaft 14 attached.
- Which form part of the magnetic axial bearing Magnets 22 are located here in the outer peripheral region of this disk 26 and are therefore located in the magnet 19 arranged in the pump housing 9 across from.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
- Figur 1:
- erste Ausführungsvariante einer erfindungsgemäßen Pumpe,
- Figur 2:
- vergrößerte Darstellung eines Teilbereichs aus Figur 1,
- Figur 3:
- zweite Ausführungsvariante einer erfindungsgemäßen Pumpe, und
- Figur 4:
- vergrößerte Darstellung eines Teilbereichs aus Figur 3.
Claims (15)
- Kreiselpumpe (1) mit einem Pumpengehäuse (9), in dem ein Pumpenlaufrad (13) in einem Laufradraum (12) umläuft, welcher von einem Spiralraum (15) umgeben ist,
dadurch gekennzeichnet, daß in das Pumpengehäuse (9) mindestens ein Magnet (19) integriert ist, der in einem Bereich (20) angeordnet ist, der unmittelbar oder mittelbar an den Laufradraum (12) und/oder an den Spiralraum (15) und/oder an einen zwischen dem Spiralraum (15) und dem Laufradraum (12) befindlichen Ringraum (16) angrenzt. - Pumpe nach Anspruch 1, dadurch gekennzeichnet, daß der Magnet (19) radial außerhalb des Pumpenlaufrads (13) auf Höhe des Spiralraums (15) oder des Ringraums (16) angeordnet ist.
- Pumpe nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Magnet (19) ringförmig ausgebildet ist und sich über den gesamten Umfang Bereichs (20) des Pumpengehäuses (9) erstreckt.
- Pumpe nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß mehrere von einander getrennte Magnete (19) in dem Bereich (20) des Pumpengehäuses (9) angeordnet sind.
- Pumpe nach einem der vorherigen Ansprüche, wobei die Pumpe (1) als Spaltrohrpumpe oder Spalttopfpumpe ausgebildet ist und einen die Pumpe (1) antreibenden Elektromotor (2) umfaßt, dessen mit dem Pumpenlaufrad (13) drehfest verbundener Rotor (3) als Naßläufer in einem Naßraum (4) umläuft, der über mindestens einen Verbindungskanal (17) mit dem Laufradraum (12) und/oder mit dem Spiralraum (15) und/oder mit dem Ringraum (16) des Pumpengehäuses (9) verbunden und in Kontakt mit dem geförderten Medium ist, wobei der Stator (8) des Elektromotors (2) durch ein Spaltrohr (5) oder einen Spalttopf von dem Naßraum (4) und dem geförderten Medium getrennt ist,
dadurch gekennzeichnet, daß der oder die Magnet(e) (19) in dem Mündungsbereich oder in einem Bereich (20) neben dem Mündungsbereich angeordnet ist/sind, in dem der Verbindungskanal (17) bzw. die Verbindungskanäle in den Laufradraum (12) und/oder in den Spiralraum (15) und/oder in den Ringraum (16) des Pumpengehäuses (9) einmünden. - Pumpe nach Anspruch 5, dadurch gekennzeichnet, daß der Verbindungskanal (17) durch einen Dichtspalt (18) oder durch eine Labyrinthdichtung mit mehreren Dichtspalten (18) gebildet ist.
- Pumpe nach Anspruch 6, dadurch gekennzeichnet, daß der oder die Magnet(e) (19) in einem Abstand radial außerhalb der Mündung des Dichtspalts (18) in den Spiralraum (15) und/oder in den Ringraum (16) angeordnet ist/sind.
- Pumpe nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der oder die Magnet(e) (19) in einem Bereich (20) angeordnet ist/sind, in dem Raum zur Ansammlung einer vorbestimmten Menge ferromagnetischer Partikel vorhanden ist.
- Pumpe nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß der Rotor (3) axial in mindestens einer Richtung mittels einer Magnetlagerung (19, 22) gelagert ist, wobei an dem Rotor (3) oder an einem fest mit dem Rotor (3) verbundenen Teil (26) umlaufende Magnete (22) und an dem Pumpengehäuse (9) damit zusammenwirkende feststehende Magnete (19) angeordnet sind, und wobei die feststehenden Magnete (19) in dem Mündungsbereich oder in einem Bereich (20) neben dem Mündungsbereich angeordnet ist/sind, in dem der Verbindungskanal (17) bzw. die Verbindungskanäle in den Laufradraum (12) und/oder in den Spiralraum (15) und/oder in den Ringraum (16) des Pumpengehäuses (9) einmünden.
- Pumpe nach Anspruch 9, dadurch gekennzeichnet, daß der Rotor (3) außerhalb des Stators (8) umläuft, wobei die umlaufenden Magnete (22) im äußeren Umfangsbereich des Rotors (3) angeordnet sind.
- Pumpe nach Anspruch 9, dadurch gekennzeichnet, daß der Rotor (3) innerhalb des Stators (8) umläuft, und daß mindestens ein fest mit dem Rotor (3) verbundenes Trägerelement (26), insbesondere eine Scheibe, vorgesehen ist, an dem die umlaufenden Magnete (22) insbesondere im äußeren Umfangsbereich angeordnet sind.
- Pumpe nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der oder die Magnet(e) (19, 22), gegebenenfalls die umlaufenden und die feststehenden Magnete Permanentmagnete sind.
- Pumpe nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß die feststehenden Magnete (19) Elektromagnete sind, mittels denen die axiale Position des Rotors (3) und des Pumpenlaufrads (13) steuerbar oder regelbar ist.
- Pumpe nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß der oder die Magnet(e) (19) durch eine Wandung (21) des Pumpengehäuses (9) von dem Laufradraum (12) und/oder von dem Spiralraum (15) und/oder von dem Ringraum (16) getrennt ist, die eine Dicke zwischen 0,3 und 5 Millimetern, vorzugsweise von 1 Millimeter hat.
- Pumpe nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, daß das Pumpengehäuse (9) zumindest im Bereich (20) der Magnete (19) aus einem nichtmagnetischen oder nicht-magentisierbaren Werkstoff ausgeführt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10216402 | 2002-04-12 | ||
DE2002116402 DE10216402A1 (de) | 2002-04-12 | 2002-04-12 | Kreiselpumpe mit integriertem Magnetfilter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1353074A2 true EP1353074A2 (de) | 2003-10-15 |
EP1353074A3 EP1353074A3 (de) | 2004-11-03 |
Family
ID=28051301
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03005993A Withdrawn EP1353074A3 (de) | 2002-04-12 | 2003-03-18 | Kreiselpumpe mit integriertem Magnetfilter |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1353074A3 (de) |
DE (1) | DE10216402A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2462685A (en) * | 2008-08-22 | 2010-02-24 | Christopher Adey | Pump arrangement with a centrifugal pump and magnetic separator |
CN104329286A (zh) * | 2014-12-01 | 2015-02-04 | 江苏奔腾汽车科技有限公司 | 一种磁力传动泵体密封结构 |
DE102015200882A1 (de) | 2014-01-24 | 2015-07-30 | Bosch Termoteknik Isitma ve Klima Sanayi Ticaret Anonim Sirketi | Eine Art Magnetfilter und eine Art Verschlussmechanismus für Filter |
EP2735744A3 (de) * | 2012-11-23 | 2017-08-16 | Wilo Ag | Laufrad einer Kreiselpumpe mit Magneten |
EP4056851A1 (de) * | 2021-03-09 | 2022-09-14 | Metso Outotec Sweden AB | Verschleisselement für eine schlammpumpe |
US20230407886A1 (en) * | 2020-11-13 | 2023-12-21 | Taco, Inc. | Rotating assembly with integral magnetic filter for wet rotor circulating pump |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009025738A1 (de) * | 2009-06-20 | 2010-12-23 | Schaeffler Technologies Gmbh & Co. Kg | Kühlkreislauf einer Brennkraftmaschine mit Abscheidevorrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4880362A (en) * | 1988-05-24 | 1989-11-14 | Laing Karsten A | Rotor with stabilizing magnets |
WO1998011650A1 (de) * | 1996-09-10 | 1998-03-19 | Sulzer Electronics Ag | Rotationspumpe und verfahren zum betrieb derselben |
Family Cites Families (12)
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FR1490440A (fr) * | 1966-08-29 | 1967-07-28 | Glutz Blotzheim Nachfolger A G | Pompe de circulation |
US3572976A (en) * | 1967-10-09 | 1971-03-30 | Nikkiso Co Ltd | Fluid takeoff device for canned motor driven pump |
DE3015211C2 (de) * | 1980-04-19 | 1986-05-28 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | Schutzeinrichtung für Unterwassermotoren |
JPS5710311A (en) * | 1980-06-18 | 1982-01-19 | Daido Steel Co Ltd | Magnetic separator |
DE3134861C2 (de) * | 1981-09-03 | 1985-04-04 | Siegfried 4054 Nettetal André | Magnetfilter |
DE3146858C2 (de) * | 1981-11-26 | 1983-10-06 | Walzbau-Montagegesellschaft Bilabel Gmbh & Co Kg, 6100 Darmstadt | Kontinuierlicher Magnetfilter zur Abscheidung erfaßbarer Stoffe aus Flüssigkeiten |
DE3701562C2 (de) * | 1986-03-12 | 1996-02-08 | Wilo Gmbh | Kreiselpumpe mit Spaltrohrmotor |
FR2722842B1 (fr) * | 1994-06-29 | 1996-08-30 | Safog | Pompes centrifuges imposant des champs electromagnetiques aux fluides pulses |
FR2768470B1 (fr) * | 1997-09-12 | 2002-02-01 | Mecanique Magnetique Sa | Pompe rotative a rotor immerge |
DE19939522A1 (de) * | 1999-08-20 | 2001-02-22 | Wilo Gmbh | Elektromotorisch angetriebene Kreiselpumpe mit außenliegendem Rotor |
DE10059458A1 (de) * | 2000-11-30 | 2002-06-13 | Grundfos As | Elektrischer Antriebsmotor für eine Kreiselpumpe für insbesondere Heizungsanlagen |
DE10059457A1 (de) * | 2000-11-30 | 2002-07-11 | Grundfos As | Elektromotor zum Antrieb einer Kreiselpumpe für insbesondere Heizungsanlagen |
-
2002
- 2002-04-12 DE DE2002116402 patent/DE10216402A1/de not_active Withdrawn
-
2003
- 2003-03-18 EP EP03005993A patent/EP1353074A3/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4880362A (en) * | 1988-05-24 | 1989-11-14 | Laing Karsten A | Rotor with stabilizing magnets |
WO1998011650A1 (de) * | 1996-09-10 | 1998-03-19 | Sulzer Electronics Ag | Rotationspumpe und verfahren zum betrieb derselben |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2462685A (en) * | 2008-08-22 | 2010-02-24 | Christopher Adey | Pump arrangement with a centrifugal pump and magnetic separator |
WO2010020793A1 (en) * | 2008-08-22 | 2010-02-25 | Christopher Adey | Pump arrangement |
EP2735744A3 (de) * | 2012-11-23 | 2017-08-16 | Wilo Ag | Laufrad einer Kreiselpumpe mit Magneten |
DE102015200882A1 (de) | 2014-01-24 | 2015-07-30 | Bosch Termoteknik Isitma ve Klima Sanayi Ticaret Anonim Sirketi | Eine Art Magnetfilter und eine Art Verschlussmechanismus für Filter |
CN104329286A (zh) * | 2014-12-01 | 2015-02-04 | 江苏奔腾汽车科技有限公司 | 一种磁力传动泵体密封结构 |
US20230407886A1 (en) * | 2020-11-13 | 2023-12-21 | Taco, Inc. | Rotating assembly with integral magnetic filter for wet rotor circulating pump |
EP4243955A4 (de) * | 2020-11-13 | 2024-04-17 | Taco, Inc. | Rotationsanordnung mit integriertem magnetfilter für eine nassläuferumwälzpumpe |
EP4056851A1 (de) * | 2021-03-09 | 2022-09-14 | Metso Outotec Sweden AB | Verschleisselement für eine schlammpumpe |
WO2022189395A1 (en) * | 2021-03-09 | 2022-09-15 | Metso Outotec Sweden Ab | Wear element for a slurry pump |
US20240229817A9 (en) * | 2021-03-09 | 2024-07-11 | Metso Outotec Sweden Ab | Wear element for a slurry pump |
Also Published As
Publication number | Publication date |
---|---|
EP1353074A3 (de) | 2004-11-03 |
DE10216402A1 (de) | 2003-10-23 |
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