EP1158175A2 - Spaltrohrmotor mit Folienspaltrohr - Google Patents
Spaltrohrmotor mit Folienspaltrohr Download PDFInfo
- Publication number
- EP1158175A2 EP1158175A2 EP01111736A EP01111736A EP1158175A2 EP 1158175 A2 EP1158175 A2 EP 1158175A2 EP 01111736 A EP01111736 A EP 01111736A EP 01111736 A EP01111736 A EP 01111736A EP 1158175 A2 EP1158175 A2 EP 1158175A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- film
- stator
- motor according
- canned
- canned motor
- 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.)
- Granted
Links
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
- 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
- F04D13/064—Details of the magnetic circuit
-
- 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
- F04D13/0626—Details of the can
-
- 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
Definitions
- the invention relates to a canned motor for a centrifugal pump, with a Canned tube, which is designed as a wet rotor and with the motor shaft rotatably connected rotor from the rotatably connected to the motor housing connected stator.
- Such canned motors are generally known and for example in the German patent application DE 44 38 132 described.
- the can or the containment shell surrounds the one circulating in the liquid being pumped Rotor and seals it against the dry stator space.
- the canned pipe is made of metal or made of plastic.
- a can made of plastic as it is for example is known from the US Pat. No. 4,836,147 a wall thickness of at least for manufacturing reasons 0.8 to 1 millimeter.
- Such a containment can must be used for the required Dimensional stability also have sufficient inherent stiffness, what also caused correspondingly large wall thicknesses.
- the Containment can or the can in the gap area mostly conical, in order to be easily demolded from the casting tool.
- the object of the invention is therefore a canned motor of the beginning to create the type mentioned, with simple construction, small size and inexpensive to manufacture a small gap between Stator and rotor enables and thus high performance or high Efficiency of the machine guaranteed.
- the main advantage is the very small thickness of the film, whereby the formation of a very small gap between the stator and Rotor is enabled. In this way, not only smaller sizes, but also without other types of performance-enhancing and cost-intensive Changes high efficiency and great performance of the machine can be achieved.
- the film can be made of non-metallic Material be made so that the induction of power-reducing eddy currents is prevented.
- the film can also be cylindrical in shape be so that the in the case of conically designed containment pots both on the inside to the cylindrical rotor and on the outside for hollow cylindrical stator and its thickness in the axial direction increasing gap can be avoided.
- the construction is simple, so that the canned motor according to the invention is inexpensive can be produced.
- the film is tubular, so that seams are not required.
- the support elements have at least two Include clamping elements between which the film is stretched.
- the film can be kept in the desired shape in a particularly simple manner.
- the support elements comprise at least one packing, which is arranged on or next to the stator and on which the film rests.
- the filler (s) form for the film a mechanically supporting surface, so that the film is a receives particularly high mechanical strength.
- each of which is an annular Has recess for a clamping ring, the clamping ring the film spanned over the inner circumference of the stator. This prevents the foil comes into contact with the rotor.
- the film can also be at the exit of the motor shaft from the motor housing facing side between the front wall of the motor housing or a bearing plate on the one hand and the stator and / or a packing on the other hand, be clamped.
- Foil in the same way between the bottom of the engine case or one the cover that closes the motor housing on the one hand and the stator and / or a packing on the other hand. It is cheap also if a sealing ring (O-ring) is provided, which the film clamped and at the same time between the film on the one hand and the motor housing final transverse wall (exit side of the motor shaft or Bottom of the motor housing) and / or a coaxial provided thereon on the other hand seals to the motor shaft inward projection.
- O-ring sealing ring
- the support elements or the filler with potting compound in particular areas filled with synthetic resin.
- the stator can preferably be completely potted and thus a particularly large one Form a mechanically load-bearing surface for the overlying film.
- the film is integral with the stator and / or on the support elements or on the packing or on the Potting compound attached, in particular glued or welded. This provides a particularly high level of security against touching the film reached with the rotor.
- the support elements can have a plurality of clamping elements comprise that stretch the film radially outwards.
- the clamping elements can in particular as rods axially between the individual stator windings be arranged of the stator. They can also be in a ring Provide circumferential direction and stretch the film.
- the film is a composite film of several Single slides is. In this way, the advantages of different film materials can be combined with each other. It is particularly cheap if the film or a single film is made of plastic and / or is elastic.
- the film has a thickness between 0.1 and 1 Millimeters, preferably between 0.3 and 0.5 millimeters.
- the film is at the end facing away from the outlet side of the motor shaft via an Bottom area closed and thus forms a can.
- the one before described advantageous embodiments of a film formed can can in the same way also in one by Foil can can be used.
- the film on the pump chamber opposite side with its bottom area radially and / or axially between a bearing of the motor shaft on the one hand and the bearing radially and / or axially receiving bracket is clamped on the other hand.
- the bottom area of the containment can be particularly easily in the desired Be held in position.
- the can made of foil can be particularly easily thereby on the floor area or on an area adjacent to the floor area Pot area clamped to the required diameter be when axially between the rotor and the bottom of the Foil arranged bearing a clamping element rotatably with the motor housing it is provided that the film spans outwards.
- the clamping element attached to the bearing receiving the shaft end his.
- the rotor turns radially inside the stator, with the foil over the inner circumference of the stator is open.
- the rotor can also be radial circulate outside the stator, the film over the outer circumference of the Stator is excited.
- the stator is in the shape of a hollow cylinder trained rotor arranged, the film here as a separation the wet running area from the dry area of the engine as a canned pipe is arranged between the stator and the rotor.
- the canned motor 1 shown in Figure 1 has a motor housing 2 in which the motor shaft 4 carrying the pump impeller 3 in two bearings 5 and 6 is stored.
- the bearing 5 adjacent to the pump impeller 3 is shown in FIG a central opening of the end wall 7 of the motor housing 2 attached. Radially outside the opening for the bearing 5, the end wall 7 has several Openings 8 through which the interior of the motor housing 2 with the Pump chamber is connected. That facing away from the pump impeller 3 Bearing 6 is fixed in a central recess of a cover 9, which Motor housing 2 on the end facing away from the pump chamber completes.
- the rotor 10 is rotatably on the motor shaft 4 attached, the wet runner from the through the openings 8 from the Pump housing in the interior of the motor housing 2 flowing fluid is surrounded.
- the stator 11 is radially outside the rotor 10 rotatably received in the motor housing 2.
- the individual windings 12 are placed around the winding supports 13 of the stator 11.
- the two fillers 14 are here by a Casting compound formed, the inner peripheral surfaces as support elements 15 are formed for a film 16 serving as a can.
- the Foil 16 is tubular and separates that from the funded Liquid surrounding rotor 10 from the dry stator 11. Here takes over the plastic film 16 with a thickness of 0.4mm the function of a particularly thin canned motor of the canned motor 1.
- the tubular film 16 lies with its outside on the Support elements 15 and the inner wall of the stator 11.
- the Edge areas of the film 16 are here of the two packing elements 14 as Support element 15 worn and glued to it.
- the two fillers 14 face the inside of the end wall 7 or The end faces facing the lid 9 each have an annular recess 17, in each of which an O-ring lies. If the film 16 in axial direction is long enough, the two Edge areas of the film 16 also each by an O-ring Clamping element 18 are clamped so that the film 16 in the axial Direction and over the inner circumference of the stator 11 and the two Packing body 14 is clamped.
- the two O-rings 18 also seal each against a coaxially protruding into the interior of the motor housing 2 Projection of the end wall 7 or the lid 9, so that the through the openings 8 into the interior of the motor housing 2 Delivery liquid only in the rotor 10 and the motor shaft 4 and Camp 5, 6 surrounding area can reach.
- the motor housing 2 on the side opposite the pump chamber by a one-piece with the motor housing 2 formed end wall 19, whereas the end of the motor housing 2 facing the pump chamber is completed by an inserted end shield 20.
- the film 16 is in this case directly between the support elements 15 and the end wall 19 or the bearing plate 20 clamped and thus over the inner circumference of the Stator 11 spanned.
- the bearing plate 20 and the end wall 19 point one protruding centrally into the interior of the motor housing 2 Projection 21, on the outside of each with a support member 15 abuts its inner circumference and clamps the film 16 in between.
- the two edge regions 22 of the film 16 are in one plane perpendicular to the motor shaft 4 between an outward plane directed collar of the support elements 15 and the inside of the end wall 19 or an inner region of the bearing plate 20 is clamped. To this In this way, the film 16 is particularly secure for its function Canned tube required shape kept.
- the film 16 is on the the end facing the end wall 19 via a base region 23 closed.
- the film 16 takes on the function of a known canister.
- the bottom region 23 of the film 16 is here both in the circumferential direction and in a direction perpendicular to the motor shaft 4 level between the bearing 6 and the bearing 6 receiving regions of the end wall 19 or the projection 21 clamped.
- a disc 24 Between the central center of the bottom area 23 of the film 16 and the end face of the bearing 6 facing the end wall 19 is present.
- a second disc 25 as a clamping element in a rotationally fixed connected to the bearing 6 and the protrusion 21 of the motor housing 2, which spans the film 16 radially outward over its outer circumference.
- the outer diameter of the disk 25 corresponds to the inner diameter of the stator 11.
- the structure of the can motor 26 corresponds essentially the structure of the canned motor 1 from FIG. 2.
- FIG. 4 shows an embodiment of a canned motor according to the invention 1, in which the rotor 10 radially outside the stator 11 circulates.
- the film 16 via two support elements 15 over the outer circumference of the stator 11 tensioned, so that it can be used here as a can of the pumped liquid surrounding wet rotor area of the rotor 10 from separates the inner dry area of the stator 11.
- All embodiments of the canned motor 1 according to FIGS. 1, 2 or 4 or the can motor 26 according to FIG. 3 is the advantage of a very small thickness of the film 16 of 0.4 mm in common, which the Formation of a very small gap between stator 11 and rotor 10 is made possible, so that particularly high efficiencies and large The performance of motors 1, 26 can be achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
- Figur 1:
- Schematische Darstellung eines erfindungsgemäßen Spaltrohrmotors
- Figur 2:
- Querschnitt durch eine alternative Ausführungsform eines Spaltrohrmotors
- Figur 3:
- Querschnitt durch eine erfindungsgemäße Ausführungsform eines Spalttopfmotors
- Figur 4:
- Querschnitt durch eine Ausführungsform mit außerhalb des Stators umlaufenden Rotor.
Claims (20)
- Spaltrohrmotor für eine Kreiselpumpe, mit einem Spaltrohr, das den als Naßläufer ausgebildeten und mit der Motorwelle drehfest verbundenen Rotor von dem drehfest mit dem Motorgehäuse verbundenen Stator trennt,
dadurch gekennzeichnet, dass das Spaltrohr durch eine flüssigkeitsundurchlässige Folie (16) gebildet ist, und dass Stützelemente (15) vorgesehen sind, die die Folie (16) halten und/oder tragen. - Spaltrohrmotor nach Anspruch 1, dadurch gekennzeichnet, dass die Folie (16) schlauchförmig ausgebildet ist.
- Spaltrohrmotor nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Stützelemente (15) mindestens zwei Klemmelemente (18) umfassen, zwischen denen die Folie (16) gespannt ist.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Stützelemente (15) mindestens einen Füllkörper (14) umfassen, der an und/oder neben dem Stator (11) angeordnet ist und auf dem die Folie (16) aufliegt.
- Spaltrohrmotor nach Anspruch 4, dadurch gekennzeichnet, dass an den beiden axialen Seitenbereichen des Stators (11) jeweils ein Füllkörper (14) angeordnet ist, der jeweils eine ringförmige Ausnehmung (17) aufweist, in der jeweils ein Klemmring (18) derart einliegt, dass die Folie (16) über den Umfang des Stators (11) aufgespannt ist.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Folie (16) an der der Pumpenkammer zugewandten Seite zwischen der Stirnwand (7) des Motorgehäuses (2) oder einem Lagerschild (20) einerseits und dem Stator (11) und/oder einem Füllkörper (14) andererseits eingespannt ist.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Folie(16)an der der Pumpenkammer abgewandten Seite zwischen dem Boden (19) des Motorgehäuses (2) oder einem das Motorgehäuse (2) abschließenden Deckel (9) einerseits und dem Stator (11) und/oder einem Füllkörper (14) andererseits eingespannt ist.
- Spaltrohrmotor nach Anspruch 5 in Kombination mit Anspruch 6 und/oder 7, dadurch gekennzeichnet, dass der Klemmring (18) durch einen O-Ring gebildet ist, der zwischen der Folie (16) einerseits und der das Motorgehäuse (2) abschließenden Querwand und/oder einem daran vorgesehenen axialen Vorsprung (21) andererseits abdichtet.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Stützelemente (15) bzw. Füllkörper (14) Vergußmasse, insbesondere Kunstharz umfassen, die den Stator (11) vollständig oder teilweise umgibt und auf der die Folie (16) aufliegt.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Folie (16)stoffschlüssigan dem Stator (11) und/oder an den Stützelementen (15) befestigt, insbesondere aufgeklebt ist.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Stützelemente (15) mehrere insbesondere axial zwischen den einzelnen Ständerwicklungen und/oder in Umfangsrichtung angeordnete Spannelemente umfassen, die die Folie (16) radial nach außen spannen.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Folie (16) eine Verbundfolie aus mehreren Einzelfolien ist.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet , dass die Folie (16) oder Einzelfolie aus Kunststoff besteht.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Folie (16) oder Einzelfolie elastisch ist.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Folie (16) oder Einzelfolie eine Dicke zwischen 0,1 und 1 Millimeter, vorzugsweise zwischen 0,3 und 0,5 Millimeter hat.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Folie (16) an dem der Pumpenkammer abgewandten Ende über einen Bodenbereich (23) geschlossen ist und einen Spalttopf bildet.
- Spaltrohrmotor nach Anspruch 16, dadurch gekennzeichnet, dass die Folie (16) an der der Pumpenkammer abgewandten Seite mit ihrem Bodenbereich (23) radial und/oder axial zwischen einem Lager (6) der Motorwelle (4) einerseits und der das Lager (6) radial und/oder axial aufnehmenden Halterung andererseits eingespannt ist.
- Spaltrohrmotor nach Anspruch 17, dadurch gekennzeichnet, dass axial zwischen dem Rotor (10) und dem am Bodenbereich (23) der Folie (16) angeordneten Lager (6) ein Spannelement (25) drehfest mit dem Motorgehäuse (2) vorgesehen ist, das die Folie (16) nach außen aufspannt.
- Spaltrohrmotor nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Rotor (10)radial innerhalb des Stators (11) umläuft und die Folie (16) über den Innenumfang des Stators (11) aufgespannt ist.
- Spaltrohrmotor nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet , dass der Rotor (10) radial außerhalb des Stators (11) umläuft und die Folie (16) über den Außenumfang des Stators (11) gespannt ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10025190 | 2000-05-20 | ||
DE2000125190 DE10025190A1 (de) | 2000-05-20 | 2000-05-20 | Spaltrohrmotor mit Folienspaltrohr |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1158175A2 true EP1158175A2 (de) | 2001-11-28 |
EP1158175A3 EP1158175A3 (de) | 2005-04-27 |
EP1158175B1 EP1158175B1 (de) | 2008-02-13 |
Family
ID=7643053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01111736A Expired - Lifetime EP1158175B1 (de) | 2000-05-20 | 2001-05-15 | Spaltrohrmotor mit Folienspaltrohr |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1158175B1 (de) |
DE (2) | DE10025190A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1383227A2 (de) * | 2002-07-17 | 2004-01-21 | Liebherr-Aerospace Lindenberg GmbH | Nasslaufender Elektromotor und Verfahren zu seiner Herstellung |
WO2011131251A1 (de) * | 2010-04-19 | 2011-10-27 | Pierburg Pump Technology Gmbh | Elektrische kfz-kühlmittelpumpe |
US8110958B2 (en) | 2005-08-23 | 2012-02-07 | Bsh Bosch Und Siemens Hausgeraete Gmbh | Rotor cover with rotor fins extending between stator slots |
WO2015086099A1 (de) * | 2013-12-10 | 2015-06-18 | Wilo Se | Nassläufermotorpumpe |
DE102015225189A1 (de) * | 2015-12-15 | 2017-06-22 | Robert Bosch Gmbh | Elektrische Maschine |
WO2021219449A1 (de) * | 2020-04-27 | 2021-11-04 | Siemens Aktiengesellschaft | Spaltrohr |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10221843B4 (de) * | 2002-05-16 | 2004-12-30 | Minebea Co., Ltd. | Elektromotor zur Verwendung als Pumpenmotor und Pumpe |
DE102006045781A1 (de) * | 2006-09-26 | 2008-04-03 | Hanning Elektro-Werke Gmbh & Co. Kg | Antriebseinheit für eine Pumpe, insbesondere Zirkulationspumpe oder Entleerungspumpe |
DE102006049326A1 (de) * | 2006-10-19 | 2008-04-30 | Siemens Ag | Gekapselte elektrische Maschine mit flüssigkeitsgekühltem Stator |
DE102008014379A1 (de) * | 2008-03-17 | 2009-09-24 | Sycotec Gmbh & Co. Kg | Elektromechanische Maschine |
DE102017214997A1 (de) | 2017-08-28 | 2019-02-28 | Mahle International Gmbh | Elektrische Fluidpumpe |
DE102020117266A1 (de) | 2020-07-01 | 2022-01-05 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Statoranordnung für eine Elektromaschine |
DE102021114159A1 (de) * | 2021-06-01 | 2022-12-01 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Elektrischer Kraftfahrzeug-Traktionsmotor |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836147A (en) | 1987-12-14 | 1989-06-06 | Ford Motor Company | Cooling system for an internal combustion engine |
DE4438132A1 (de) | 1994-10-27 | 1996-05-02 | Wilo Gmbh | Spaltrohrpumpe |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3243617A1 (de) * | 1982-11-25 | 1984-05-30 | Hermetic-Pumpen Gmbh, 7803 Gundelfingen | Pumpe zum foerdern hochkorrosiver medien |
GB2145882A (en) * | 1983-07-21 | 1985-04-03 | Teikoku Denki Seisakusho Kk | Partition structure for a dynamo-electric machine |
DE3636404A1 (de) * | 1986-10-25 | 1988-04-28 | Richter Chemie Technik Gmbh | Magnetkreiselpumpe |
DE3639720C1 (de) * | 1986-11-20 | 1993-04-29 | Reinecker Heyko | Pumpe mit Spaltrohrmotor- oder Spaltrohrmagnetkupplungsantrieb |
JP3356480B2 (ja) * | 1993-03-18 | 2002-12-16 | 株式会社日本触媒 | 無漏洩ポンプ |
DE4342649C1 (de) * | 1993-12-14 | 1995-02-16 | Munsch Kunststoff Schweistechn | Magnetkreiselpumpe für aggressive Medien |
EP0678964B1 (de) * | 1994-04-20 | 1997-07-30 | Sulzer Innotec Ag | Trennelement und Vorrichtung mit Trennelement |
FR2768470B1 (fr) * | 1997-09-12 | 2002-02-01 | Mecanique Magnetique Sa | Pompe rotative a rotor immerge |
-
2000
- 2000-05-20 DE DE2000125190 patent/DE10025190A1/de not_active Withdrawn
-
2001
- 2001-05-15 EP EP01111736A patent/EP1158175B1/de not_active Expired - Lifetime
- 2001-05-15 DE DE50113576T patent/DE50113576D1/de not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4836147A (en) | 1987-12-14 | 1989-06-06 | Ford Motor Company | Cooling system for an internal combustion engine |
DE4438132A1 (de) | 1994-10-27 | 1996-05-02 | Wilo Gmbh | Spaltrohrpumpe |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1383227A2 (de) * | 2002-07-17 | 2004-01-21 | Liebherr-Aerospace Lindenberg GmbH | Nasslaufender Elektromotor und Verfahren zu seiner Herstellung |
EP1383227A3 (de) * | 2002-07-17 | 2004-12-29 | Liebherr-Aerospace Lindenberg GmbH | Nasslaufender Elektromotor und Verfahren zu seiner Herstellung |
US8110958B2 (en) | 2005-08-23 | 2012-02-07 | Bsh Bosch Und Siemens Hausgeraete Gmbh | Rotor cover with rotor fins extending between stator slots |
WO2011131251A1 (de) * | 2010-04-19 | 2011-10-27 | Pierburg Pump Technology Gmbh | Elektrische kfz-kühlmittelpumpe |
US10180142B2 (en) | 2010-04-19 | 2019-01-15 | Pierburg Pump Technology Gmbh | Electric motor vehicle coolant pump |
WO2015086099A1 (de) * | 2013-12-10 | 2015-06-18 | Wilo Se | Nassläufermotorpumpe |
CN105849414A (zh) * | 2013-12-10 | 2016-08-10 | 威乐欧洲股份公司 | 湿式马达泵 |
DE102015225189A1 (de) * | 2015-12-15 | 2017-06-22 | Robert Bosch Gmbh | Elektrische Maschine |
WO2021219449A1 (de) * | 2020-04-27 | 2021-11-04 | Siemens Aktiengesellschaft | Spaltrohr |
Also Published As
Publication number | Publication date |
---|---|
EP1158175A3 (de) | 2005-04-27 |
EP1158175B1 (de) | 2008-02-13 |
DE50113576D1 (de) | 2008-03-27 |
DE10025190A1 (de) | 2001-12-06 |
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