EP2405142A2 - Centrifugal pump rotor component - Google Patents
Centrifugal pump rotor component Download PDFInfo
- Publication number
- EP2405142A2 EP2405142A2 EP20110170301 EP11170301A EP2405142A2 EP 2405142 A2 EP2405142 A2 EP 2405142A2 EP 20110170301 EP20110170301 EP 20110170301 EP 11170301 A EP11170301 A EP 11170301A EP 2405142 A2 EP2405142 A2 EP 2405142A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- split ring
- centrifugal pump
- pump component
- built
- component according
- 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
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000013011 mating Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005494 tarnishing Methods 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
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/165—Sealings between pressure and suction sides especially adapted for liquid pumps
- F04D29/167—Sealings between pressure and suction sides especially adapted for liquid pumps of a centrifugal flow wheel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
- F04D15/0077—Safety measures
-
- 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
- F04D29/08—Sealings
- F04D29/086—Sealings especially adapted for liquid 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
Definitions
- the invention relates to a centrifugal pump component, comprising at least one built-in part and a split ring, and a method for its production.
- split rings and their configuration are known in many variations in the literature. These are usually manufactured as individual components and then installed in a pump housing or an impeller, so a built-in part. Between the split ring and its counter component always a hydraulic gap is formed. As a result, the achievable minimum gap is limited in rigid, one-piece constructions, as always manufacturing tolerances are taken into account.
- the EP 2 148 096 A1 shows a multi-part arrangement for a split ring, which is arranged on the impeller of the pump and seals to an opposite sleeve-shaped portion.
- the disadvantage here is that the elaborate seal can be destroyed during assembly.
- a flexible lip of the gap seal applies during operation by the pressure difference to be sealed against the counterpart component. This leads to an increased power consumption and wear, which precludes the efforts for efficiency improvements.
- individual parts must be attached to the impeller and housing, which means extra effort.
- the solution provides that an auxiliary connection element is provided on the centrifugal pump component between the installation part and the split ring or within the split ring, wherein the auxiliary connection element is designed as a predetermined breaking point.
- the advantage here is that the centrifugal pump component of split ring and built-in part can be manufactured as a one-piece part. This centrifugal pump component is either made directly from a single blank or the split ring is connected to the insert. This simplifies handling during assembly in the counterpart component, which accommodates the centrifugal pump component of split ring and built-in part. If the centrifugal pump component is mounted in the counter component, then the split ring can be detached from the built-in component by breaking the predetermined breaking point.
- the predetermined breaking point breaks when shear forces are applied in one direction.
- the predetermined breaking point is dimensioned so that the centrifugal pump component is easy to install in the counterpart component, wherein the auxiliary connecting element firmly connects the built-in part and the split ring. After installation, it is possible, with additional load, in particular in a direction of force flow other than the installation direction, form after loosening a minimum gap between the mounting part and split ring, while the counterpart component and the split ring are firmly and tightly interconnected.
- a particularly advantageous design of the predetermined breaking point is when it breaks open in the direction of rotation of the pump and locks in the axial direction. It is irrelevant whether the resulting Gap is radial, axial or diagonal type and whether control devices hide in the geometries.
- the mounting part of a first material, in particular of metal, plastic or ceramic. Since the mounting part in its later function, for example, as an impeller in a centrifugal pump, may be exposed to very harsh conditions, it is important to select the appropriate material for the application. In addition to the media resistance, mass of the component and manufacturability also play an essential role in the selection.
- the split ring is made of a second material, in particular of metal, plastic or ceramic.
- the applications of the centrifugal pump require a careful selection of the material pairing between split ring and built-in part.
- the split ring according to the invention is interpretable so that it is provided as a wear part in the gap between the impeller and the housing.
- auxiliary connection element of a third material, in particular of metal, plastic or ceramic. This allows any selection of the materials for the split ring and the insert, wherein for the auxiliary connection element, a further material can be selected, which allows breaking of the predetermined breaking point at the desired shear force.
- a labyrinth seal is formed between the mounting part and the split ring.
- the arrangement of split ring and built-in part in a centrifugal pump component allows the formation of a high-precision sealing device in the form of a labyrinth seal.
- split ring structures of self-assurance can be provided during operation, in particular thread in the direction of rotation of the impeller.
- the connection between the split ring and the counterpart component of the pump itself is secured, in particular the split ring has a thread corresponding to the rotation of the pump, so that it screws in more firmly when the tangential loading of the gap occurs due to tarnishing.
- centrifugal pump component as an injection molded part allows, in addition to the simple production of the split ring and the built-in part, a film gate of the auxiliary connecting element with the predetermined breaking point.
- the centrifugal pump component can be designed as a multi-component injection-molded part, in particular when using different materials for fitting and split ring.
- interlocking labyrinth systems can also be produced, with generative processes being particularly suitable for the production.
- the predetermined breaking point in this case is the boundary layer between the two components which adhere to one another after production. The adhesion is much lower than the strength of the two components and the load during operation of the pump.
- the invention further comprises a method for mounting a fitting with split ring arranged thereon in a centrifugal pump, in which a one-piece part of fitting and split ring is joined in the first step in the counterpart member, wherein the split ring between the insert and the counterpart member is arranged in a another step, the split ring is broken at the predetermined breaking point of the one-piece part.
- connection of the split ring with the housing takes place in a form-fitting manner, in particular by thread, plug-in or snap-in connections. This allows easy and precise installation.
- the connection can be made reversible, whereby a later replacement of the centrifugal pump component is made possible.
- connection of the split ring with the housing takes place cohesively, in particular by gluing, welding or the like.
- the advantage here is that the installation is very easy to carry out. By material connection can be made very robust connections.
- FIG. 1 shows a built-in part in the form of an impeller 1.
- This can be used in a Strömungsarbeits- or -kraftmaschine use.
- one or two split rings 2 may be provided to delimit the pressure areas.
- each a suction and pressure side split ring 2 for sealing a pump pressure chamber to not shown here, located in the housing mating surfaces.
- These split rings 2 are each connected by an auxiliary connecting element 3 with the impeller 1.
- the auxiliary connecting element 3 has a predetermined breaking point, which in FIG. 1 not shown. After installation of the insert in the housing, the split rings are firmly in the housing. The impeller is not rotatable in this state. By breaking the predetermined breaking point impeller 1 and split ring 2 is separated from each other and a smallest possible, narrow hydraulic gap is formed between the components. Any roughness of the predetermined breaking point is easily removed.
- FIG. 2 shows in an enlarged section of the FIG. 1 , the arrangement of the split ring 2 and the auxiliary connection element 3 in relation to the impeller 1.
- three components can consist of three different materials. The choice of materials depends on the requirements of the centrifugal pump and the solubility of the predetermined breaking point. Breaking can be done by a defined axial load or torque.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Die Erfindung betrifft ein Kreiselpumpenbauteil, umfassend mindestens ein Einbauteil und einen Spaltring, sowie ein Verfahren zu dessen Herstellung.The invention relates to a centrifugal pump component, comprising at least one built-in part and a split ring, and a method for its production.
Spaltringe und deren Konfiguration sind in vielen Varianten in der Literatur bekannt. Diese werden zumeist als einzelne Bauteile gefertigt und anschließend in ein Pumpengehäuse oder einem Laufrad, also einem Einbauteil, eingebaut. Zwischen dem Spaltring und seinem Gegenbauteil wird dabei stets ein hydraulischer Spalt gebildet. Hierdurch ist der erreichbare Minimalspalt bei starren, einteiligen Konstruktionen begrenzt, da stets Fertigungstoleranzen zu berücksichtigen sind.Split rings and their configuration are known in many variations in the literature. These are usually manufactured as individual components and then installed in a pump housing or an impeller, so a built-in part. Between the split ring and its counter component always a hydraulic gap is formed. As a result, the achievable minimum gap is limited in rigid, one-piece constructions, as always manufacturing tolerances are taken into account.
Die
Die
Aufgabe der Erfindung ist es, eine Kreiselpumpenbauteil umfassend ein Einbauteil, insbesondere ein Laufrad, und einen daran angeordneten Spaltring zu schaffen, wodurch eine Spaltabdichtung am Laufrad einer Kreiselpumpe ermöglicht sein soll, die günstig in der Herstellung und einfach zu montieren ist.The object of the invention is to provide a centrifugal pump component comprising a built-in part, in particular an impeller, and a split ring arranged thereon, whereby a gap seal on the impeller of a centrifugal pump should be made possible, which is inexpensive to manufacture and easy to assemble.
Die Lösung sieht vor, dass an dem Kreiselpumpenbauteil zwischen dem Einbauteil und dem Spaltring oder innerhalb des Spaltringes ein Hilfsverbindungselement vorgesehen ist, wobei das Hilfsverbindungselement als eine Sollbruchstelle ausgebildet ist. Von Vorteil ist dabei, dass das Kreiselpumpenbauteil aus Spaltring und Einbauteil als einstückiges Teil fertigbar ist. Dieses Kreiselpumpenbauteil wird entweder direkt aus einem einzigen Rohteil hergestellt oder der Spaltring wird mit dem Einbauteil verbunden. Dies vereinfacht die Handhabung bei der Montage in das Gegenbauteil, das das Kreiselpumpenbauteil aus Spaltring und Einbauteil aufnimmt. Ist das Kreiselpumpenbauteil im Gegenbauteil montiert, so kann der Spaltring vom Einbauteil gelöst werden, indem die Sollbruchstelle gebrochen wird.The solution provides that an auxiliary connection element is provided on the centrifugal pump component between the installation part and the split ring or within the split ring, wherein the auxiliary connection element is designed as a predetermined breaking point. The advantage here is that the centrifugal pump component of split ring and built-in part can be manufactured as a one-piece part. This centrifugal pump component is either made directly from a single blank or the split ring is connected to the insert. This simplifies handling during assembly in the counterpart component, which accommodates the centrifugal pump component of split ring and built-in part. If the centrifugal pump component is mounted in the counter component, then the split ring can be detached from the built-in component by breaking the predetermined breaking point.
In einer weiteren Ausgestaltung der Erfindung ist vorgesehen, dass die Sollbruchstelle beim Anliegen von Scherkräften in einer Richtung bricht. Die Sollbruchstelle ist dermaßen dimensioniert, dass das Kreiselpumpenbauteil einfach in das Gegenbauteil einbaubar ist, wobei das Hilfsverbindungselement das Einbauteil und den Spaltring fest verbindet. Nach erfolgtem Einbau ist es möglich, bei zusätzlicher Belastung, insbesondere bei einer anderen Kraftflussrichtung als der Einbaurichtung, nach dem Lösen einen Minimalspalt zwischen Einbauteil und Spaltring auszubilden, während das Gegenbauteil und der Spaltring fest und dicht miteinander verbunden sind. Eine besonders vorteilhafte Gestaltung der Sollbruchstelle ist es, wenn diese in Richtung der Rotation der Pumpe aufbricht und in axialer Richtung sperrt. Dabei ist es unerheblich, ob der entstehende Spalt radialer, axialer oder diagonaler Art ist und ob sich Regeleinrichtungen in den Geometrien verbergen.In a further embodiment of the invention, it is provided that the predetermined breaking point breaks when shear forces are applied in one direction. The predetermined breaking point is dimensioned so that the centrifugal pump component is easy to install in the counterpart component, wherein the auxiliary connecting element firmly connects the built-in part and the split ring. After installation, it is possible, with additional load, in particular in a direction of force flow other than the installation direction, form after loosening a minimum gap between the mounting part and split ring, while the counterpart component and the split ring are firmly and tightly interconnected. A particularly advantageous design of the predetermined breaking point is when it breaks open in the direction of rotation of the pump and locks in the axial direction. It is irrelevant whether the resulting Gap is radial, axial or diagonal type and whether control devices hide in the geometries.
Des Weiteren besteht die Möglichkeit, das Einbauteil aus einem ersten Material zu fertigen, insbesondere aus Metall, Kunststoff oder Keramik. Da das Einbauteil in seiner späteren Funktion, beispielsweise als Laufrad in einer Kreiselpumpe, unter Umständen sehr rauen Bedingungen ausgesetzt ist, ist es wichtig, den zur Anwendung passenden Werkstoff auszuwählen. Neben der Medienbeständigkeit spielen auch Masse des Bauteils und Herstellbarkeit eine wesentliche Rolle bei der Auswahl.Furthermore, it is possible to manufacture the mounting part of a first material, in particular of metal, plastic or ceramic. Since the mounting part in its later function, for example, as an impeller in a centrifugal pump, may be exposed to very harsh conditions, it is important to select the appropriate material for the application. In addition to the media resistance, mass of the component and manufacturability also play an essential role in the selection.
In einer weiteren Ausführungsform ist der Spaltring aus einem zweiten Material gefertigt, insbesondere aus Metall, Kunststoff oder Keramik. Die Anwendungen der Kreiselpumpe erfordern eine sorgfältige Auswahl der Materialpaarung zwischen Spaltring und Einbauteil. Der Spaltring ist erfindungsgemäß so auslegbar, dass er als Schleißteil im Spalt zwischen Laufrad und Gehäuse vorgesehen ist.In a further embodiment, the split ring is made of a second material, in particular of metal, plastic or ceramic. The applications of the centrifugal pump require a careful selection of the material pairing between split ring and built-in part. The split ring according to the invention is interpretable so that it is provided as a wear part in the gap between the impeller and the housing.
Es besteht die Möglichkeit das Hilfsverbindungselement aus einem dritten Material zu fertigen, insbesondere aus Metall, Kunststoff oder Keramik. Dies ermöglicht eine beliebige Auswahl der Materialien für den Spaltring und das Einbauteil, wobei für das Hilfsverbindungselement ein weiteres Material gewählt werden kann, das ein Brechen der Sollbruchstelle bei der gewünschten Scherkraft ermöglicht.It is possible to make the auxiliary connection element of a third material, in particular of metal, plastic or ceramic. This allows any selection of the materials for the split ring and the insert, wherein for the auxiliary connection element, a further material can be selected, which allows breaking of the predetermined breaking point at the desired shear force.
In einer weiteren Ausführungsform ist zwischen dem Einbauteil und dem Spaltring eine Labyrinthdichtung ausgebildet. Die Anordnung von Spaltring und Einbauteil in einem Kreiselpumpenbauteil ermöglicht die Ausbildung einer hochpräzisen Dichtvorrichtung in Form einer Labyrinthdichtung. Durch die Verbindung der beiden Teile zum Kreiselpumpenbauteil sind der Abstand und die Anordnung festgelegt, sodass beim Einbau in das Gegenbauteil kein weiterer Einstellaufwand nötig ist.In a further embodiment, a labyrinth seal is formed between the mounting part and the split ring. The arrangement of split ring and built-in part in a centrifugal pump component allows the formation of a high-precision sealing device in the form of a labyrinth seal. By the connection of the two parts to the centrifugal pump component, the distance and the arrangement are fixed so that no further adjustment effort is required when installed in the counterpart component.
An dem Spaltring können Strukturen der Selbstsicherung im Betrieb vorgesehen sein, insbesondere Gewinde in Richtung der Umdrehung des Laufrades. Hierdurch wird die Verbindung zwischen Spaltring und Gegenbauteil der Pumpe selbst gesichert, insbesondere weist der Spaltring ein der Drehung der Pumpe entsprechendes Gewinde auf, so dass er sich bei auftretender tangentialer Belastung des Spaltes durch Anlaufen fester einschraubt.On the split ring structures of self-assurance can be provided during operation, in particular thread in the direction of rotation of the impeller. As a result, the connection between the split ring and the counterpart component of the pump itself is secured, in particular the split ring has a thread corresponding to the rotation of the pump, so that it screws in more firmly when the tangential loading of the gap occurs due to tarnishing.
Eine Ausführung des Kreiselpumpenbauteils als Spritzgussteil ermöglicht neben der einfachen Herstellung des Spaltringes und des Einbauteils, einen Filmanguss des Hilfsverbindungselements mit der Sollbruchstelle.An embodiment of the centrifugal pump component as an injection molded part allows, in addition to the simple production of the split ring and the built-in part, a film gate of the auxiliary connecting element with the predetermined breaking point.
Außerdem kann das Kreiselpumpenbauteil als Mehrkomponentenspritzgussteil ausgeführt sein, insbesondere bei Verwendung unterschiedlicher Materialien für Einbauteil und Spaltring. Durch Inkompatibilitäten der eingesetzten Werkstoffe lassen sich somit auch ineinandergreifende Labyrinthsysteme herstellen, wobei sich zur Herstellung generative Verfahren besonders eignen. Die Sollbruchstelle ist in diesem Fall die Grenzschicht zwischen den beiden Komponenten, die nach der Fertigung gegeneinander haften. Die Haftung ist weitaus geringer, als die Festigkeit der beiden Komponenten und die Belastung beim Betrieb der Pumpe.In addition, the centrifugal pump component can be designed as a multi-component injection-molded part, in particular when using different materials for fitting and split ring. As a result of incompatibilities of the materials used, interlocking labyrinth systems can also be produced, with generative processes being particularly suitable for the production. The predetermined breaking point in this case is the boundary layer between the two components which adhere to one another after production. The adhesion is much lower than the strength of the two components and the load during operation of the pump.
Die Erfindung umfasst weiterhin ein Verfahren zum Montieren eines Einbauteils mit daran angeordnetem Spaltring in eine Kreiselpumpe, bei dem ein einstückiges Teil aus Einbauteil und Spaltring im ersten Schritt in das Gegenbauteil gefügt wird, wobei der Spaltring zwischen dem Einbauteil und dem Gegenbauteil angeordnet wird, in einem weiteren Schritt wird der Spaltring an der Sollbruchstelle vom einstückigen Teil gebrochen. Von Vorteil ist dabei, dass beim Fügen des Kreiselpumpenbauteils in das Gegenbauteil keine weiteren Einstellarbeiten zwischen Einbauteil und Spaltring mehr nötig sind. Beim Zusammenbau der Kreiselpumpe ist nur ein Teil passgenau zu montieren. Nach dem Brechen der Sollbruchstelle sind Einbauteil und Spaltring optimal eingestellt.The invention further comprises a method for mounting a fitting with split ring arranged thereon in a centrifugal pump, in which a one-piece part of fitting and split ring is joined in the first step in the counterpart member, wherein the split ring between the insert and the counterpart member is arranged in a another step, the split ring is broken at the predetermined breaking point of the one-piece part. The advantage here is that when joining the centrifugal pump component in the mating component no further adjustments between fixture and split ring are more necessary. When assembling the centrifugal pump, only one part has to be mounted accurately. After breakage of the predetermined breaking point insert and split ring are optimally adjusted.
In einer weiteren Ausgestaltung des Verfahrens erfolgt die Verbindung des Spaltrings mit dem Gehäuse formschlüssig, insbesondere durch Gewinde, Steck- oder Schnappverbindungen. Dies ermöglicht eine einfache und präzise Montage. Die Verbindung kann reversibel ausgeführt sein, wodurch ein späterer Austausch des Kreiselpumpenbauteils ermöglicht ist.In a further embodiment of the method, the connection of the split ring with the housing takes place in a form-fitting manner, in particular by thread, plug-in or snap-in connections. This allows easy and precise installation. The connection can be made reversible, whereby a later replacement of the centrifugal pump component is made possible.
In einer weiteren Ausgestaltung des Verfahrens erfolgt die Verbindung des Spaltrings mit dem Gehäuse stoffschlüssig, insbesondere durch Kleben, Schweißen oder vergleichbares. Von Vorteil ist hierbei, dass die Montage sehr einfach durchführbar ist. Durch Stoffschluss lassen sich sehr robuste Verbindungen herstellen.In a further embodiment of the method, the connection of the split ring with the housing takes place cohesively, in particular by gluing, welding or the like. The advantage here is that the installation is very easy to carry out. By material connection can be made very robust connections.
In einer weiteren Ausgestaltung des Verfahrens erfolgt die Verbindung des Spaltrings mit dem Gehäuse kraftschlüssig, insbesondere durch Passungen, Aufschrumpfen oder vergleichbare Verfahren. Bei dieser Variante ist eine sichere Verbindung des Kreiselpumpenbauteils mit dem Gegenbauteil ermöglicht.In a further embodiment of the method, the connection of the split ring to the housing is non-positively, in particular by fits, shrinking or similar methods. In this variant, a secure connection of the centrifugal pump component is made possible with the mating component.
Weitere Ausführungsformen ergeben sich aus der Kombination der bisher dargestellten und sind deshalb hier nicht weiter ausgeführt.Further embodiments result from the combination of the previously shown and are therefore not further elaborated here.
Ausführungsbeispiele der Erfindung sind in den Zeichnungen dargestellt und werden im Folgenden näher beschrieben. Es zeigen die
-
eine Montagevorbereitung und dieFigur 1 -
ein vergrößertes Detail daraus.Figur 2
-
FIG. 1 a mounting preparation and the -
FIG. 2 an enlarged detail of it.
Die
Die
- 1. Laufrad1st impeller
- 2. Spaltring2nd split ring
- 3. Hilfsverbindungselement3. auxiliary connection element
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RS20161154A RS55488B1 (en) | 2010-07-08 | 2011-06-17 | Centrifugal pump rotor component |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010026450A DE102010026450B3 (en) | 2010-07-08 | 2010-07-08 | Centrifugal pump component |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2405142A2 true EP2405142A2 (en) | 2012-01-11 |
EP2405142A3 EP2405142A3 (en) | 2014-08-06 |
EP2405142B1 EP2405142B1 (en) | 2016-10-12 |
Family
ID=44588253
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11170301.3A Active EP2405142B1 (en) | 2010-07-08 | 2011-06-17 | Centrifugal pump rotor component |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2405142B1 (en) |
DE (1) | DE102010026450B3 (en) |
DK (1) | DK2405142T3 (en) |
ES (1) | ES2609758T3 (en) |
RS (1) | RS55488B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104019053B (en) * | 2014-06-25 | 2016-05-18 | 无锡杰尔压缩机有限公司 | When high speed rotor start and stop, prevent the structure that sealing ring damages |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1915395U (en) | 1965-02-27 | 1965-05-06 | Klein Schanzlin & Becher Ag | CENTRIFUGAL PUMP, IN PARTICULAR WITH VERTICAL SHAFT. |
EP2148096A1 (en) | 2008-07-25 | 2010-01-27 | Grundfos Management A/S | Centrifugal pump |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB543404A (en) * | 1940-09-19 | 1942-02-24 | Wilfley & Sons Inc A | Standpipe connection for pumps |
DE2211253C2 (en) * | 1972-03-09 | 1974-03-28 | Rheinstahl Ag, 4300 Essen | Centrifugal pump divided in one axial plane |
EP0005159B1 (en) * | 1978-03-20 | 1981-07-08 | Goetze Ag | Slip-ring sealing |
DE3524865A1 (en) * | 1985-07-12 | 1987-01-15 | Rheinische Braunkohlenw Ag | Coupling sleeve for pipes |
DE19960160B4 (en) * | 1999-12-14 | 2014-09-11 | Mahle International Gmbh | Device for optimizing the gap width of centrifugal pumps |
DE10300611B4 (en) * | 2003-01-10 | 2012-03-29 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt Merbelsrod | bearing arrangement |
DE102005030424A1 (en) * | 2005-06-30 | 2007-01-04 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Arrangement and method for arranging a pump bearing in / on coolant pump housings made of plastic |
-
2010
- 2010-07-08 DE DE102010026450A patent/DE102010026450B3/en not_active Expired - Fee Related
-
2011
- 2011-06-17 RS RS20161154A patent/RS55488B1/en unknown
- 2011-06-17 DK DK11170301.3T patent/DK2405142T3/en active
- 2011-06-17 EP EP11170301.3A patent/EP2405142B1/en active Active
- 2011-06-17 ES ES11170301.3T patent/ES2609758T3/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1915395U (en) | 1965-02-27 | 1965-05-06 | Klein Schanzlin & Becher Ag | CENTRIFUGAL PUMP, IN PARTICULAR WITH VERTICAL SHAFT. |
EP2148096A1 (en) | 2008-07-25 | 2010-01-27 | Grundfos Management A/S | Centrifugal pump |
Also Published As
Publication number | Publication date |
---|---|
DE102010026450B3 (en) | 2011-12-01 |
EP2405142B1 (en) | 2016-10-12 |
EP2405142A3 (en) | 2014-08-06 |
ES2609758T3 (en) | 2017-04-24 |
DK2405142T3 (en) | 2017-01-23 |
RS55488B1 (en) | 2017-04-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE102010001601B4 (en) | Gear pump and gear pump for brake device | |
EP1485580A1 (en) | Drive for valve operating control systems in motor vehicles, preferably camshaft adjusters | |
EP2815127B1 (en) | Rotary piston pump | |
WO2011045171A2 (en) | Double internal gear pump | |
EP2905495A1 (en) | Sealing assembly | |
EP1982086B1 (en) | Disk brake, in particular for an utility vehicle | |
DE102014221180A1 (en) | valve means | |
DE102007031290A1 (en) | spool valve | |
DE102013018159A1 (en) | Slit pot and method for producing the same | |
WO2009149682A2 (en) | Motor-pump module | |
WO2006077121A1 (en) | Hydraulic pump for a power steering system | |
WO2010017795A2 (en) | Pump unit | |
EP2201250B1 (en) | Pump insert | |
EP2405142B1 (en) | Centrifugal pump rotor component | |
DE4424671B4 (en) | Control mirror of a hydraulic machine | |
DE102017200338A1 (en) | Wheel bearing for a motor vehicle | |
DE102014200818A1 (en) | Two-part stator with cold-welded lid | |
DE102012208495B4 (en) | Phaser | |
DE102016220830A1 (en) | Rotor with formed by two plates Fluidleitkanal for a camshaft phaser and camshaft adjuster | |
EP3235035B1 (en) | Valve device in a motor vehicle | |
DE102008019925A1 (en) | Hydraulic gear machine has housing for supporting two gear wheels which are combined together and mounted in bearing bodies, and housing is closed at front side with lid | |
EP3848620B1 (en) | Valve assembly, in particular check valve with pressed-in ball retainer | |
DE102013202606A1 (en) | Gear wheel machine e.g. gear motor, has sleeve comprising projection that extends in direction of rotational axis of wheels, where projection partially covers groove in each rotational position of sleeve with respect to body | |
DE102009043241A1 (en) | Clutch actuation unit with hydraulic disengagement device | |
DE102017117689A1 (en) | Planetary gear |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/08 20060101ALI20140701BHEP Ipc: F04D 15/00 20060101AFI20140701BHEP Ipc: F04D 29/62 20060101ALI20140701BHEP Ipc: F04D 29/16 20060101ALI20140701BHEP |
|
17P | Request for examination filed |
Effective date: 20150205 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20160310 |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20160520 |
|
INTG | Intention to grant announced |
Effective date: 20160525 |
|
GRAJ | Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted |
Free format text: ORIGINAL CODE: EPIDOSDIGR1 |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
INTG | Intention to grant announced |
Effective date: 20160714 |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: REF Ref document number: 836788 Country of ref document: AT Kind code of ref document: T Effective date: 20161015 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: FG4D Free format text: LANGUAGE OF EP DOCUMENT: GERMAN |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R096 Ref document number: 502011010885 Country of ref document: DE |
|
REG | Reference to a national code |
Ref country code: DK Ref legal event code: T3 Effective date: 20170119 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG4D |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: TRGR |
|
REG | Reference to a national code |
Ref country code: NL Ref legal event code: MP Effective date: 20161012 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LV Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2609758 Country of ref document: ES Kind code of ref document: T3 Effective date: 20170424 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170112 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170113 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 Ref country code: PT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170213 Ref country code: FI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170212 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 Ref country code: NL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 7 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502011010885 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 Ref country code: EE Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 Ref country code: BG Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20170112 |
|
26N | No opposition filed |
Effective date: 20170713 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SI Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R081 Ref document number: 502011010885 Country of ref document: DE Owner name: KSB SE & CO. KGAA, DE Free format text: FORMER OWNER: KSB AKTIENGESELLSCHAFT, 67227 FRANKENTHAL, DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170617 Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170617 |
|
REG | Reference to a national code |
Ref country code: BE Ref legal event code: MM Effective date: 20170630 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: PLFP Year of fee payment: 8 |
|
REG | Reference to a national code |
Ref country code: AT Ref legal event code: MM01 Ref document number: 836788 Country of ref document: AT Kind code of ref document: T Effective date: 20170617 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170630 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MT Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20170617 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: HU Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO Effective date: 20110617 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CY Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20161012 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: TR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: AL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20161012 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 20200620 Year of fee payment: 10 Ref country code: SE Payment date: 20200624 Year of fee payment: 10 Ref country code: RS Payment date: 20200525 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20200702 Year of fee payment: 10 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: IT Payment date: 20200630 Year of fee payment: 10 |
|
REG | Reference to a national code |
Ref country code: SE Ref legal event code: EUG |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RS Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210617 |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20210617 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210617 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210618 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210617 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20220902 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20210618 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20230623 Year of fee payment: 13 Ref country code: DK Payment date: 20230621 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20230702 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20230713 Year of fee payment: 13 |