EP2032858A1 - Blade wheel - Google Patents

Blade wheel

Info

Publication number
EP2032858A1
EP2032858A1 EP07764368A EP07764368A EP2032858A1 EP 2032858 A1 EP2032858 A1 EP 2032858A1 EP 07764368 A EP07764368 A EP 07764368A EP 07764368 A EP07764368 A EP 07764368A EP 2032858 A1 EP2032858 A1 EP 2032858A1
Authority
EP
European Patent Office
Prior art keywords
hub
blades
paddle wheel
blade wheel
disk
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
Application number
EP07764368A
Other languages
German (de)
French (fr)
Other versions
EP2032858B1 (en
Inventor
Eugen Schmidt
Frank Blaurock
Jürgen Hahn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Geraete und Pumpenbau GmbH
Geraete und Pumpenbau GmbH Dr Eugen Schmidt
Original Assignee
Geraete und Pumpenbau GmbH
Geraete und Pumpenbau GmbH Dr Eugen Schmidt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Geraete und Pumpenbau GmbH, Geraete und Pumpenbau GmbH Dr Eugen Schmidt filed Critical Geraete und Pumpenbau GmbH
Publication of EP2032858A1 publication Critical patent/EP2032858A1/en
Application granted granted Critical
Publication of EP2032858B1 publication Critical patent/EP2032858B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • F04D29/2233—Construction and assembly entirely open or stamped from one sheet

Definitions

  • the invention relates to a paddle wheel made of sheet metal for use in automotivemémitt ⁇ lpumpen.
  • Small paddle wheels made of metal for example, as a precision casting in
  • Bottom plate and / or a cover plate provided.
  • each notched maximum sash height is necessarily dependent on the blade number of the impeller and is limited by this.
  • Blade units each from a blade with arranged on this upper and
  • Each of these leaf elements overlaps the adjacent leaf element with a
  • Screw connections are used, but are, for example, too
  • Coolant pumps are used.
  • Paddle wheels with three-dimensional curved, with top wall and
  • From DE 26 02 136 A1 discloses a welded construction of preformed sheet metal segments for the production of radial pump wheels is also known.
  • Sheet metal parts welded to a cut off of a pipe hub and also connected together along their upper and lower edges.
  • This embodiment is also for the production of small, for example in
  • each carrying a blade impeller segments are welded to a common hub.
  • this design is unsuitable for use as a paddle wheel in motor vehicle coolant pumps, since the required for the connection of the assemblies welding work (as well as in the aforementioned design) on the one hand to a delay of the blade and at the same time lead to imbalances on the welded wheel.
  • the invention is therefore based on the object to develop a paddle wheel made of sheet metal for use in automotive coolant pumps which does not have the aforementioned disadvantages of the prior art, in particular next to a variety of blades also has a high blade wing height, thereby ensuring a high flow rate , at the same time without Post-processing has very good concentricity and darüu ⁇ i addition also without post-processing also ensures an optimum sealing gap relative to the housing, it can be produced easily and inexpensively both in an open design (without cover plate) as well as in a closed design (with cover plate) and at the same time still by characterized a high delivery efficiency.
  • this object is achieved by a paddle wheel made of sheet metal for use in motor vehicle coolant pumps according to the features of the main claim of the invention.
  • Figure 1 a spatial representation of the invention
  • Paddle wheel 1 in the design with a cover plate 12, a curved bottom plate 2 and three-dimensionally curved blades 3 in the fully assembled state;
  • FIG. 2 shows the plan view of the design of the blade wheel 1 according to the invention shown in FIG. 1;
  • FIG 3 the impeller according to the invention in section at AA according to Figure 2;
  • Figure 4 the paddle wheel according to the invention 1 according to Figure 1 in ⁇ er
  • FIG. 6 shows the hub disk 5 according to the invention in section at B-B according to FIG. 5;
  • FIG. 7 shows the bore disk 7 according to the invention in accordance with FIG
  • FIG. 8 shows the bore disk 7 according to the invention in section at C-C according to FIG. 7;
  • Figure 9 the cover plate 12 according to the invention according to the
  • FIG. 10 shows the cover pane 12 according to the invention in section in D-D according to FIG. 9.
  • FIG. 1 shows a three-dimensional view of the blade wheel 1 according to the invention in the design with a cover plate 12, a curved bottom plate 2 and three-dimensionally curved blades 3 in the fully assembled state.
  • This paddle wheel 1 made of sheet metal is intended for use in motor vehicle coolant pumps and consists in the design presented here of two provided with notched and salaried blades 3, firmly interconnected paddle wheel elements with their respective bottom disk segments 4 to each other offset to "gap" are, so that both Schaufelradieri together form a bottom plate 2.
  • the hub disc 5 is centered a hub shell 6 and in the other of the two paddle wheel elements, the bore disc 7, is also centrally disposed on the outer shell of the hub shell 6 hub sleeve receiving bore 8.
  • Post-processing ensures optimum concentricity.
  • Post-processing ensures an optimum sealing gap with respect to the housing.
  • the paddle wheel according to the invention formed from the paddle wheel elements, the hub disc 5 and the bore disc 7 is also always simple and inexpensive to produce.
  • the blade wheel 1 constructed according to the invention (provided with many high blades and not tilting in the connection of its elements) is characterized by a high conveying efficiency.
  • FIG. 2 shows the top view of the design presented in FIG. 1 of the paddle wheel according to the invention formed from a hub disk 5 and a bore disk 7 with a cover disk 12.
  • FIG. 3 shows the blade wheel according to the invention in section in A-A according to FIG.
  • FIG. 3 shows that the connection lugs 9 are approximately in the plane of the at
  • Hub disc 5 arranged bottom disc segments 4 and thereby simultaneously form an optimal system for the bottom plate segments 4 of the bore disc 7 and at the same time an optimal spot weld both
  • this Figure 3 shows that the common bottom disc formed by the Schaufelradelementen arched, and the blades 3 are each formed three-dimensionally curved.
  • FIG. 4 shows the paddle wheel according to the invention according to FIG. 4
  • FIG. 5 shows as an individual part the hub disk 5 according to the invention as shown in FIG. 1 in a top view with the hub disk 5 arranged thereon
  • Blades 3 and between the ground disk segments 4 i.e.
  • FIG. 7 now shows the associated second blade wheel element, the bore plate 7 according to the invention, in plan view, with the connections to the
  • FIG. 8 shows the bore disk according to the invention, in section at C-C according to FIG. 7, with the arched bottom disk segment 4 and the three-dimensionally curved blade 3.
  • FIG. 9 shows the cover plate 12 according to the invention in plan view.
  • cover plate 12 according to the invention is shown in section in D-D according to FIG.
  • Post-processing ensures an optimal sealing gap with respect to the housing.
  • the impeller according to the invention is also simple and inexpensive to produce both in an open design (without cover plate) as well as in a closed design (with cover plate) in large series.

Abstract

The invention relates to a blade wheel consisting of sheet metal for use in motor vehicle refrigerant pumps. The aim of the invention is to develop a novel blade wheel consisting of sheet metal for use in motor vehicle refrigerant pumps which, aside from a plurality of blades, also has a high blade height, thus ensuring a high throughput. Moreover, it also has smooth running properties without re-machining and, furthermore, also without re-machining, ensures an optimum sealing gap with respect to the housing. At the same time, it can always be produced simply and cost-effectively with an open construction (without an end plate) as well as with a closed construction (with an end plate). In addition, it is characterized by a high pumping efficiency. The inventive blade wheel (1) consisting of sheet metal for use in motor vehicle refrigerant pumps has blades (3) that are cut out of a disk and pitched and base disk segments (4) that lie adjacent to said blades (3) and remain between the latter (3). The blade wheel (1) is characterized, among other things, in that it is formed by at least two different blade wheel elements which are provided with cut out, pitched blades (3), are interconnected in a fixed manner and are arranged so that their respective base disk segments (4) are offset in relation to one another, forming a gap therebetween, said elements thus forming a common bottom disk (2). A hub sleeve (6) is provided in the centre of one of these blade wheel elements (the hub disk (5)), and the centre of the other blade wheel element or elements (the bore disk or disks (7)) is provided with a hub sleeve receiving bore (8), which can be pushed onto the casing of the hub sleeve (6).

Description

Schaufelrad paddle wheel
Die Erfindung betrifft ein Schaufelrad aus Metallblech für den Einsatz in Kfz- Kühlmittθlpumpen.The invention relates to a paddle wheel made of sheet metal for use in automotive Kühlmittθlpumpen.
Kleine Schaufelräder aus Metall werden beispielsweise als Feingussteil imSmall paddle wheels made of metal, for example, as a precision casting in
Wachsausschmelzverfahren oder als Sandformguss hergestellt.Lost-wax casting or as a sand mold casting.
Diese Bauformen erfordern zwangsläufig hohe Fertigungskosten. Auch sind bei den als Feingussteil hergestellten Rohlingen die technischen Möglichkeiten zum Putzen und Polieren der Gussflächen im Inneren des Laufrades stark eingeschränkt, so dass bei den so hergestellten Bauformen der erzielbarenThese designs inevitably require high manufacturing costs. Also, the technical possibilities for cleaning and polishing of the casting surfaces in the interior of the impeller are severely limited in the blanks produced as precision casting, so that achievable in the designs thus produced
Schaufeloberflächengüte zwangsläufig Grenzen gesetzt sind.Scoop surface quality inevitably limits.
Infolge einer verbleibenden, von den jeweils zulässigen Fertigungskosten abhängigen Oberflächenrauhigkeit wird somit der erzielbareAs a result of a remaining depending on the respective permissible production costs surface roughness is thus the achievable
Förderwirkungsgrad negativ beeinflusst.Delivery efficiency negatively affected.
Daher sind dem großtechnische Einsatz derartiger Schaufelräder, beispielsweise im Kühlmittelpumpen-, Motoren- und/oder AutomobilbauTherefore, the large-scale use of such paddle wheels, for example in coolant pump, engine and / or automotive
(insbesondere aufgrund der kostenintensiven Herstellung) Grenzen gesetzt.(especially due to the cost-intensive production) limits.
Im Stand der Technik werden oftmals auch aus Metallblech geformte, offeneIn the prior art are often formed from sheet metal, open
Schaufelräder eingesetzt, deren Schaufeln aus der Bodenscheibe ausgeklinkt sind.Paddle wheels used, the blades are disengaged from the bottom plate.
Diese Bauformen sind dann je nach Bauart auch zusätzlich noch mit einerThese designs are then also depending on the design in addition to a
Bodenscheibe und/oder einer Deckscheibe versehen.Bottom plate and / or a cover plate provided.
Der wesentliche Nachteil dieser Bauformen besteht jedoch darin, dass bei den aus der Bodenscheibe ausgeklinkten Schaufeln die jeweils ausgeklinkte maximale Flügelhöhe zwangsläufig von der Schaufelzahl des Laufrades abhängig ist und durch diese begrenzt wird.The main disadvantage of these designs, however, is that in the notched out of the bottom plate blades each notched maximum sash height is necessarily dependent on the blade number of the impeller and is limited by this.
Da die Fördermenge von der Flügelzahl und der Flügelhöhe abhängig ist, ist bei diesen Bauformen zwangsläufig die Fördermenge stets begrenzt. Daher wurde mittels der in der DE 1 628 210 A vorgestellten Bauform beispielsweise versucht diesen vorgenannten wesentlichen Nachteil derSince the flow rate depends on the number of blades and the blade height, the delivery rate is necessarily limited in these designs. Therefore, by means of the design presented in DE 1 628 210 A, for example, this aforementioned main disadvantage of the invention was attempted
Schaufelräder aus Metallblech mit den aus der Bodenscheibe ausgeklinktenPaddle wheels of sheet metal with the notched from the bottom plate
Schaufeln zu beseitigen.Eliminate shovels.
Dieses in der DE 1 628 210 A vorbeschriebene, als Turbogebläserad eingesetzte Radialschaufelrad aus Metallblech mit einer Bodenscheibe und einer Deckscheibe und zwischen diesen über den Umkreis gleichmäßig verteilten angeordneten Schaufeln wird aus gleichartigen U-förmigen blechgeformten Blatteinheiten zusammengefügt, wobei die einzelnenThis is described in DE 1 628 210 A, used as a turbo blower radial blade made of sheet metal with a bottom plate and a cover plate and between them over the circumference uniformly distributed arranged blades is assembled from similar U-shaped sheet-shaped blade units, wherein the individual
Blatteinheiten jeweils aus einer Schaufel mit an dieser angeordneten Ober- undBlade units each from a blade with arranged on this upper and
Unterwandsegmenten bestehen.Under wall segments exist.
Jedes dieser Blattelemente überlappt das benachbarte Blattelement mit einemEach of these leaf elements overlaps the adjacent leaf element with a
Teil der Ober- und Unterwand und ist im Bereich dieser Überlappung mittelsPart of the top and bottom wall and is in the area of this overlap means
Verbindungsmitteln mit dem benachbarten Blattelement zusammengefügt.Joined connecting means with the adjacent sheet member.
Ein wesentliche Nachteil dieser Bauform besteht jedoch darin, dass auch dieseAn essential disadvantage of this design, however, is that these too
Bauform wiederum sehr fertigungsintensiv ist.Design is again very production-intensive.
Zudem erhöhen sich mit kleiner werdender Bauform auf Grund der zwingend erforderlichen Überlappungen die Verlustleitungen und der Förderwirkungsgrad des wie vg. aufgebauten Schaufelrades sinkt deutlich ab.In addition, with a smaller design due to the mandatory overlappings increase the loss of lines and the delivery efficiency of the like. constructed paddle wheel drops significantly.
Kommen jedoch als Verbindungsmittel nicht nur Niet- oderBut come as a means of connection not only rivet or
Schraubverbindungen zum Einsatz, sondern werden beispielsweise auchScrew connections are used, but are, for example, too
Schweißverbindungen (beispielsweise bei kleinen Schaufelrädern) eingesetzt, d.h. es werden dann diese sehr kleinen Blechformteile untereinander zu einemWelded joints (for example with small paddle wheels) are used, i. It then become these very small sheet metal parts with each other to a
Schaufelrad verschweißt, erhöht sich zwangsläufig der Fertigungsaufwand um ein Vielfaches da beim Verschweißen dieser vielen einzelnen Blechformteile untereinander zwangsläufig ein „Verzug" eintritt der dann nicht nur dieWelded paddle wheel, inevitably increases the manufacturing cost by a multiple because when welding these many individual sheet metal parts with each other inevitably a "delay" occurs then not only the
Rundlaufeigenschaften und das Unwuchtverhalten negativ beeinflusst, sondern zudem auch strömungstechnisch negative Auswirkungen hat und u.a. auch denConcentricity and the unbalance behavior adversely affected, but also has fluidic negative effects and u.a. also the
Förderwirkungsgrad deutlich vermindert.Delivery efficiency significantly reduced.
Auf Grund des „Verzuges" werden zudem auch zusätzliche Nacharbeiten zurDue to the "delay" also additional reworking to
Gewährleistung des Dichtspaltes gegenüber dem Gehäuse zwingend erforderlich, so dass die Fertigung derartiger kleiner Laufräder stets mit seπr hohen Kosten verbunden ist.Ensuring the sealing gap against the housing mandatory required, so that the production of such small wheels is always associated with seπr high costs.
Daher kommen derartige Bauformen auch keinesfalls als Laufräder in Kfz-Therefore, such designs are by no means as wheels in motor vehicle
Kühlmittelpumpen zum Einsatz.Coolant pumps are used.
Da bei dieser vorgenannte Bauform im Bedarfsfall auch vorgesehen ist, dass diese mit in axialer Richtung gekrümmten Blättern ausgeführt werden kann, erhöhen sich deren Herstellungskosten (bei derartigen Sonderbauformen vonAs is also provided in this case, if necessary, if necessary, that this can be performed with curved in the axial direction sheets, increase their production costs (in such special designs of
Schaufelrädern mit dreidimensional gekrümmten, mit Oberwand undPaddle wheels with three-dimensional curved, with top wall and
Unterwand versehenen Blätter) wesentlich, wobei zudem all die vg. Nachteile noch verstärkt auftreten.Unterwand provided sheets) substantially, in addition, all the vg. Disadvantages still occur increasingly.
Weiterhin ist aus der DE 25 35 196 A1 ein in horizontal kreisförmiger Richtung aus Radsegmenten zusammengesetztes, an den Stoßstellen mit Nuten undFurthermore, from DE 25 35 196 A1 in a horizontal circular direction composed of wheel segments, at the joints with grooves and
Leisten versehenes und im Bereich dieser Stoßstellen mit Klammern zusammengehaltenes Radiallüfterrad bekannt.Molded provided and held together in the joints with brackets radial fan wheel known.
Der wesentliche Nachteil bei dieser Bauform besteht darin, dass auch dieseThe main disadvantage of this design is that these too
Bauform wiederum sehr fertigungsintensiv ist, wobei auf Grund der zwingend erforderlichen Klammern sich auch hier mit kleiner werdender Bauform zwangsläufig die Verlustleitungen erhöhen und damit der Wirkungsgrad deutlich absinkt.Design in turn is very production-intensive, which inevitably increase due to the mandatory braces here with smaller design loss lines and thus the efficiency drops significantly.
Daher kann auch diese Bauform keinesfalls als Laufrad in Kühlmittelpumpen eingesetzt werden.Therefore, this design can under no circumstances be used as an impeller in coolant pumps.
Aus der DE 26 02 136 A1 ist darüber hinaus eine Schweißkonstruktion aus vorgeformten Blechsegmenten zur Herstellung von Radialpumpenrädern bekannt.From DE 26 02 136 A1 discloses a welded construction of preformed sheet metal segments for the production of radial pump wheels is also known.
Hierbei werden flächige im Querschnitt etwa Z-förmig ausgebildeteHere are flat in cross-section approximately Z-shaped
Blechformteile an eine von einem Rohr abgeschnittene Nabe angeschweißt und zudem entlang ihrer oberen und unteren Ränder miteinander verbunden.Sheet metal parts welded to a cut off of a pipe hub and also connected together along their upper and lower edges.
Auch diese Ausführungsform ist zur Herstellung von kleinen, beispielsweise inThis embodiment is also for the production of small, for example in
Kühlmittelpumpen einsetzbaren Pumpenräder, welche zwangsläufig aus sehr kleinen untereinander verschweißten Blechformteilen hergestellt werden müssten, ungeeignet, da beim Verschweißen dieser kleiner Blechformteile (zwischen den Schaufeln untereinander / aber auch gegenüber der Nabe) Sicio ein Verzug eintritt der, wie bereits erläutert, negative strömungstechnische Auswirkungen zur Folge hätte und zwangsläufig Kostenaufwand ige Nacharbeiten zur Gewährleistung eines noch vertretbaren Wirkungsgrades erfordert.Pump pumps used pump wheels, which would inevitably have to be made of very small welded together sheet metal parts, unsuitable because when welding these small sheet metal parts (between the blades with each other / but also with respect to the hub) Sicio enters a delay which, as already explained, would have negative flow effects and would inevitably require costly rework to ensure a still acceptable efficiency.
Gleichzeitig führen die zur Verbindung der Baugruppen erforderlichen Schweißarbeiten zudem zu Unwuchten am geschweißten Rad und erfordern weitere Nacharbeiten, so dass mittels der in der DE 26 02 136 A1 vorgestellten Bauform eines Schaufelrades aus Metall nur mit einem sehr hohen Fertigungsund Montageaufwand kleine Schaufelräder für Kühlmittelpumpen hergestellt werden können.At the same time, the welding work required to connect the subassemblies also leads to imbalances on the welded wheel and require further reworking so that small paddle wheels for coolant pumps are produced by means of the type of metal bucket wheel proposed in DE 26 02 136 A1 only with very high manufacturing and assembly costs can.
Aus der DE 33 43 752 C2 ist weiterhin ein offenes Laufrad für Strömungsmaschinen bekannt, welches auch als Schweißkonstruktion aufgebaut ist und ebenso wie die vorgenannte Schweißkonstruktion eines Schaufelrades aus Laufradsegmenten besteht.From DE 33 43 752 C2 an open impeller for turbomachines is also known, which is also constructed as a welded construction and as well as the above-mentioned welded construction of a paddle wheel consists of impeller segments.
Auch bei dieser Bauform sind die jeweils eine Schaufel tragenden Laufradsegmente an einer gemeinsamen Nabe angeschweißt. Doch auch diese Bauform ist für den Einsatz als Schaufelrad in Kfz- Kühlmittelpumpen ungeeignet, da die zur Verbindung der Baugruppen erforderlichen Schweißarbeiten (ebenso wie bei der vorgenannte Bauform) einerseits zu einem Verzug des Schaufelrades und gleichzeitig zu Unwuchten am geschweißten Rad führen.Also in this design, each carrying a blade impeller segments are welded to a common hub. However, this design is unsuitable for use as a paddle wheel in motor vehicle coolant pumps, since the required for the connection of the assemblies welding work (as well as in the aforementioned design) on the one hand to a delay of the blade and at the same time lead to imbalances on the welded wheel.
Infolge der dadurch wiederum zwingend erforderlichen Nacharbeiten werden auch bei dieser Bauform die Fertigungskosten merklich erhöht.As a result of this in turn absolutely necessary reworking, the production costs are also significantly increased in this design.
Der Erfindung liegt daher die Aufgabe zugrunde, ein Schaufelrad aus Metallblech für den Einsatz in KfZ-Kühlmittelpumpen zu entwickeln welches die vorgenannten Nachteile des Standes der Technik nicht aufweist, insbesondere neben einer Vielzahl von Schaufeln auch über eine hohe Schaufelflügelhöhe verfügt und dadurch eine hohe Fördermenge gewährleistet, gleichzeitig ohne Nachbearbeitung sehr gute Rundlaufeigenschaften aufweist und darüuσi hinaus ebenfalls ohne Nachbearbeitung zudem einen optimalen Dichtspalt gegenüber dem Gehäuse gewährleistet, dabei einfach und kostengünstig sowohl in einer offenen Bauform (ohne Deckscheibe) wie auch in einer geschlossenen Bauform (mit Deckscheibe) herstellbar ist und sich gleichzeitig noch durch einen hohen Förderwirkungsgrad auszeichnet.The invention is therefore based on the object to develop a paddle wheel made of sheet metal for use in automotive coolant pumps which does not have the aforementioned disadvantages of the prior art, in particular next to a variety of blades also has a high blade wing height, thereby ensuring a high flow rate , at the same time without Post-processing has very good concentricity and darüuσi addition also without post-processing also ensures an optimum sealing gap relative to the housing, it can be produced easily and inexpensively both in an open design (without cover plate) as well as in a closed design (with cover plate) and at the same time still by characterized a high delivery efficiency.
Erfindungsgemäß wird diese Aufgabe durch ein Schaufelrad aus Metallblech für den Einsatz in KfZ-Kühlmittelpumpen nach den Merkmalen des Hauptanspruches der Erfindung gelöst.According to the invention this object is achieved by a paddle wheel made of sheet metal for use in motor vehicle coolant pumps according to the features of the main claim of the invention.
Vorteilhafte Ausführungen und Einzelheiten der Erfindung ergeben sich aus den Unteransprüchen sowie der nachfolgenden Beschreibung des erfindungsgemäßen Ausführungsbeispiels in Verbindung mit den Zeichnungen zur erfindungsgemäßen Lösung.Advantageous embodiments and details of the invention will become apparent from the dependent claims and the following description of the embodiment of the invention in conjunction with the drawings for the solution according to the invention.
Nachfolgend soll nun die Erfindung an Hand eines Ausführungsbeispieles in Verbindung mit zehn Figuren näher erläutert werden.Below, the invention will now be explained in more detail with reference to an embodiment in conjunction with ten figures.
Es zeigen dabei dieIt shows the
Figur 1 : eine räumliche Darstellung des erfindungsgemäßenFigure 1: a spatial representation of the invention
Schaufelrades 1 in der Bauform mit einer Deckscheibe 12, einer gewölbten Bodenscheibe 2 und dreidimensional gekrümmten Schaufeln 3 im komplett zusammengefügten Zustand;Paddle wheel 1 in the design with a cover plate 12, a curved bottom plate 2 and three-dimensionally curved blades 3 in the fully assembled state;
Figur 2 : die Draufsicht auf die in der Figur 1 dargestellten Bauform des erfindungsgemäßen Schaufelrades 1 ;FIG. 2 shows the plan view of the design of the blade wheel 1 according to the invention shown in FIG. 1;
Figur 3 : das erfindungsgemäße Schaufelrad im Schnitt bei A-A gemäß Figur 2; Figur 4 : das erfindungsgemäße Schaufelrad 1 gemäß Figur 1 in αerFigure 3: the impeller according to the invention in section at AA according to Figure 2; Figure 4: the paddle wheel according to the invention 1 according to Figure 1 in αer
Ansicht von unten; Figur 5 : die erfindungsgemäße Nabenscheibe 5 gemäß derBottom view; Figure 5: the hub disc 5 according to the invention according to the
Darstellung nach Figur 1 in der Draufsicht; Figur 6 : die erfindungsgemäße Nabenscheibe 5 im Schnitt bei B-B gemäß Figur 5; Figur 7 : die erfindungsgemäße Bohrungsscheibe 7 gemäß derRepresentation of Figure 1 in plan view; FIG. 6 shows the hub disk 5 according to the invention in section at B-B according to FIG. 5; FIG. 7 shows the bore disk 7 according to the invention in accordance with FIG
Darstellung nach Figur 1 in der Draufsicht; Figur 8 : die erfindungsgemäße Bohrungsscheibe 7 im Schnitt bei C-C gemäß Figur 7; Figur 9 : die erfindungsgemäße Deckscheibe 12 gemäß derRepresentation of Figure 1 in plan view; FIG. 8 shows the bore disk 7 according to the invention in section at C-C according to FIG. 7; Figure 9: the cover plate 12 according to the invention according to the
Darstellung nach Figur 1 in der Draufsicht; Figur 10 : die erfindungsgemäße Deckscheibe 12 im Schnitt bei D-D gemäß Figur 9.Representation of Figure 1 in plan view; FIG. 10 shows the cover pane 12 according to the invention in section in D-D according to FIG. 9.
Die Figur 1 zeigt eine räumliche Darstellung des erfindungsgemäßen Schaufelrades 1 in der Bauform mit einer Deckscheibe 12, einer gewölbten Bodenscheibe 2 und dreidimensional gekrümmten Schaufeln 3 im komplett zusammengefügten Zustand.1 shows a three-dimensional view of the blade wheel 1 according to the invention in the design with a cover plate 12, a curved bottom plate 2 and three-dimensionally curved blades 3 in the fully assembled state.
Dieses aus Metallblech hergestellte Schaufelrad 1 ist für den Einsatz in Kfz- Kühlmittelpumpen vorgesehen und besteht in der hier vorgestellten Bauform aus zwei mit ausgeklinkten und angestellten Schaufeln 3 versehenen, fest miteinander verbundenen Schaufelradelementen, die mit ihren jeweiligen Bodenscheibensegmenten 4 zueinander auf „Lücke" versetzt angeordnet sind, so dass beide Schaufelradelemente gemeinsam eine Bodenscheibe 2 ausbilden.This paddle wheel 1 made of sheet metal is intended for use in motor vehicle coolant pumps and consists in the design presented here of two provided with notched and salaried blades 3, firmly interconnected paddle wheel elements with their respective bottom disk segments 4 to each other offset to "gap" are, so that both Schaufelradelemente together form a bottom plate 2.
In einem der Schaufelradelemente, der Nabenscheibe 5, ist zentrisch eine Nabenhülse 6 und in dem anderen der beiden Schaufelradelemente, der Bohrungsscheibe 7, ist ebenfalls zentrisch eine auf den Außenmantel der Nabenhülse 6 aufsteckbare Nabenhülsenaufnahmebohrung 8 angeordnet . Die erfindungsgemäße Bauform ermöglicht so, dass neben vielen Schauτein am Schaufelrad 1 auch gleichzeitig eine große Schaufelflügelhöhe realisiert werden kann, so dass mittels der erfindungsgemäßen Lösung eine hoheIn one of the paddle wheel elements, the hub disc 5, is centered a hub shell 6 and in the other of the two paddle wheel elements, the bore disc 7, is also centrally disposed on the outer shell of the hub shell 6 hub sleeve receiving bore 8. The design according to the invention thus makes it possible, in addition to many showpieces on the blade wheel 1, to realize a large blade wing height at the same time, so that a high blade height can be achieved by means of the solution according to the invention
Fördermenge gewährleistet werden kann.Flow rate can be guaranteed.
Aufgrund der erfindungsgemäßen, ineinander zentrierten Anordnung von zwei jeweils für sich allein bereits „rund laufenden" Schaufelradelementen sind ohneDue to the invention, in one another centered arrangement of two each alone already "round" Schaufelradelementen are without
Nachbearbeitung optimale Rundlaufeigenschaften gewährleistet.Post-processing ensures optimum concentricity.
Gleichzeitig wird durch die vg. erfindungsgemäße Anordnung ohneAt the same time by the vg. inventive arrangement without
Nachbearbeitung ein optimaler Dichtspalt gegenüber dem Gehäuse gewährleistet.Post-processing ensures an optimum sealing gap with respect to the housing.
Das erfindungsgemäße aus den Schaufelradelementen, der Nabenscheibe 5 und der Bohrungsscheibe 7 gebildete Schaufelrad ist zudem stets einfach und kostengünstig herstellbar.The paddle wheel according to the invention formed from the paddle wheel elements, the hub disc 5 and the bore disc 7 is also always simple and inexpensive to produce.
In Verbindung mit der Verwendung von tiefgezogenen Stahlblechen wird zudem stets eine hohe Schaufeloberflächengüte gewährleistet, so dass sich das erfindungsgemäß aufgebaute (mit vielen hohen Schaufeln versehene, in der Verbindung seiner Elemente nicht zum Verzug neigende) Schaufelrad 1 durch einen hohen Förderwirkungsgrad auszeichnet.In connection with the use of deep-drawn steel sheets, furthermore, a high blade surface quality is always guaranteed, so that the blade wheel 1 constructed according to the invention (provided with many high blades and not tilting in the connection of its elements) is characterized by a high conveying efficiency.
Wesentlich ist auch, dass am Nabenrand der Nabenscheibe 5, zwischen denIt is also essential that at the hub edge of the hub disc 5, between the
Bodenscheibensegmenten 4, jeweils Anschlusslaschen 9 angeordnet sind.Ground disk segments 4, each connecting tabs 9 are arranged.
Zur Vereinfachung der Fertigung sind an den Bodenscheibensegmenten 4 derTo simplify the production of the bottom disk segments 4 of
Nabenscheibe 5 wie auch an den Bodenscheibensegmenten 4 derHub disc 5 as well as the bottom plate segments 4 of
Bohrungsscheibe 7 Positionierungselemente 10, hier in Form von Bohrungen angeordnet.Bore disk 7 positioning elements 10, arranged here in the form of holes.
Diese dienen einer exakten Positionierung der beiden Baugruppen beispielsweise in einer Punktschweißvorrichtung.These serve for exact positioning of the two assemblies, for example in a spot welding device.
Mittels dieser können beispielsweise die beiden erfindungsgemäßenBy means of these, for example, the two inventive
Schaufelradelemente im Bereich der einander überdeckendenPaddle wheel elements in the area of overlapping
Bodenscheibensegmente 4 sowie im Bereich der Überdeckungen derBodenscheibensegmente 4 and in the area of overlaps of
Bodenscheibensegmente 4 mit den Anschlusslaschen 9 miteinander verschweißt werden. Infolge der erfindungsgemäßen scheibenförmigen Bauform der beiden imBase disk segments 4 are welded together with the connecting lugs 9. As a result of the disc-shaped design of the invention in the
Innenbereich miteinander punktverschweißten Schaufelradelemente wird zudem gleichzeitig ein Verzug des so gebildeten Schaufelrades 1 vermieden.At the same time, warping of the paddle wheel 1 formed in this way is avoided at the same time with point-welded paddle wheel elements.
In der Figur 2 ist die Draufsicht auf die in der Figur 1 vorgestellten Bauform des erfindungsgemäß aus einer Nabenscheibe 5 und einer Bohrungsscheibe 7 gebildeten Schaufelrades mit einer Deckscheibe 12 dargestellt.FIG. 2 shows the top view of the design presented in FIG. 1 of the paddle wheel according to the invention formed from a hub disk 5 and a bore disk 7 with a cover disk 12.
Die Figur 3 zeigt das erfindungsgemäße Schaufelrad im Schnitt bei A-A gemäßFIG. 3 shows the blade wheel according to the invention in section in A-A according to FIG
Figur 2 mit der an den Oberkanten 11 der Schaufeln 3 des Schaufelrades 1 punktförmig verschweißten Deckscheibe 12.2 with the top edge 11 of the blades 3 of the blade wheel 1 punctiform welded cover plate 12th
Die Figur 3 zeigt, dass die Anschlusslaschen 9 etwa in der Ebene der an derFIG. 3 shows that the connection lugs 9 are approximately in the plane of the at
Nabenscheibe 5 angeordneten Bodenscheibensegmente 4 liegen und dadurch neben einem strömungsgünstigen Übergang gleichzeitig eine optimale Anlage für die Bodenscheibensegmente 4 der Bohrungsscheibe 7 bilden und gleichzeitig eine optimale Punktschweißverbindung beiderHub disc 5 arranged bottom disc segments 4 and thereby simultaneously form an optimal system for the bottom plate segments 4 of the bore disc 7 and at the same time an optimal spot weld both
Schaufelradelemente ermöglichen.Enable bucket wheel elements.
Ebenso zeigt diese Figur 3, dass die von den Schaufelradelementen gebildete gemeinsame Bodenscheibe gewölbt, und die Schaufeln 3 jeweils dreidimensional gekrümmt ausgebildet sind.Likewise, this Figure 3 shows that the common bottom disc formed by the Schaufelradelementen arched, and the blades 3 are each formed three-dimensionally curved.
In der Figur 4 ist das erfindungsgemäße Schaufelrad gemäß Figur 1 in derFIG. 4 shows the paddle wheel according to the invention according to FIG
Ansicht von unten, mit der an der Nabenscheibe 5 angeordneten Nabenhülse 6 und der in der Bohrungsscheibe 7 angeordneten Nabenaufnahmebohrung 8 dargestellt.View from below, shown with the arranged on the hub disc 5 hub sleeve 6 and arranged in the bore disc 7 hub receiving bore 8.
Die Figur 5 zeigt als Einzelteil die erfindungsgemäße Nabenscheibe 5 gemäß der Darstellung nach Figur 1 in der Draufsicht mit den an dieser angeordnetenFIG. 5 shows as an individual part the hub disk 5 according to the invention as shown in FIG. 1 in a top view with the hub disk 5 arranged thereon
Bodenscheibensegmenten 4, den aus der Bodenscheibe ausgeklinktenGround disk segments 4, which cut out of the bottom disk
Schaufeln 3 und den zwischen den Bodenscheibensegmenten 4 (d.h. jedemBlades 3 and between the ground disk segments 4 (i.e.
Bodenscheibensegment 4 und der Schaufel 3 des jeweils benachbartenGround disk segment 4 and the blade 3 of each adjacent
Bodenscheibensegments) angeordneten Anschlusslaschen 9.Bottom disk segments) arranged connection tabs. 9
In der Figur 6 ist nun diese erfindungsgemäße Nabenscheibe 5 im Schnitt beiIn FIG. 6, this hub disk 5 according to the invention is now included in section
B-B, gemäß Figur 5, mit der an der Nabenscheibe 5 angeordneten NabenhülseB-B, according to Figure 5, with the arranged on the hub disc 5 hub sleeve
6 dargestellt. Diese Darstellung zeigt auch, dass die Anschlusslaschen 9 etwa in der Ebene der an der Nabenscheibe 5 angeordneten Bodenscheibensegmente 4 liegen.6 shown. This illustration also shows that the connecting lugs 9 lie approximately in the plane of the bottom disk segments 4 arranged on the hub disk 5.
Die Figur 7 zeigt nun das zugehörige zweite Schaufelradelement, die erfindungsgemäße Bohrungsscheibe 7 in der Draufsicht mit den an denFIG. 7 now shows the associated second blade wheel element, the bore plate 7 according to the invention, in plan view, with the connections to the
Bodenscheibensegmenten 4 nahe der Nabenhülsenaufnahmebohrung 8 (zurGround disk segments 4 near the hub shell receiving bore 8 (for
Punktverschweißung mit der Nabenscheibe) angeordneten Schweißbuckeln 13.Spot welding with the hub disc) arranged Schweißbuckeln 13th
In der Figur 8 ist die erfindungsgemäße Bohrungsscheibe, im Schnitt bei C-C gemäß Figur 7, mit dem gewölbten Bodenscheibensegment 4 und der dreidimensional gekrümmten Schaufel 3 dargestellt.FIG. 8 shows the bore disk according to the invention, in section at C-C according to FIG. 7, with the arched bottom disk segment 4 and the three-dimensionally curved blade 3.
Die Figur 9 zeigt die erfindungsgemäße Deckscheibe 12 in der Draufsicht.FIG. 9 shows the cover plate 12 according to the invention in plan view.
In der Figur 10 ist die erfindungsgemäße Deckscheibe 12 im Schnitt bei D-D gemäß Figur 9 dargestellt.In FIG. 10, the cover plate 12 according to the invention is shown in section in D-D according to FIG.
Mittels der erfindungsgemäßen Lösung ist es gelungen, ein Schaufelrad ausBy means of the solution according to the invention, it has been possible to make a paddle wheel
Metallblech für den Einsatz in KfZ-Kühlmittelpumpen zu entwickeln, welches neben vielen Schaufeln zugleich auch über eine hohe Schaufelflügelhöhe verfügt, dadurch eine gewünschte hohe Fördermenge gewährleistet, zudem infolge der erfindungsgemäßen Gestaltung auch ohne Nachbearbeitung sehr gute Rundlaufeigenschaften aufweist, und zudem ebenfalls ohneTo develop sheet metal for use in automotive coolant pumps, which in addition to many blades at the same time also has a high blade height, thereby ensuring a desired high flow, also due to the design of the invention without reworking has very good concentricity properties, and also also without
Nachbearbeitung einen optimalen Dichtspalt gegenüber dem Gehäuse gewährleistet.Post-processing ensures an optimal sealing gap with respect to the housing.
Gleichzeitig ist das erfindungsgemäße Schaufelrad auch einfach und kostengünstig sowohl in einer offenen Bauform (ohne Deckscheibe) wie auch in einer geschlossenen Bauform (mit Deckscheibe) in Großserien herstellbar.At the same time, the impeller according to the invention is also simple and inexpensive to produce both in an open design (without cover plate) as well as in a closed design (with cover plate) in large series.
Da das erfindungsgemäße Schaufelrad auf Grund des verwendeten Materiales zudem über eine hohe Schaufeloberflächengüte verfügt, wird in Verbindung mit der erfindungsgemäßen Bauform des Schaufelrades gleichzeitig stets ein hoher Förderwirkungsgrad gewährleistet. BezugszeichenzusammenstellungSince the impeller according to the invention also has a high blade surface quality due to the material used, a high delivery efficiency is always ensured at the same time in connection with the inventive design of the impeller. REFERENCE SYMBOL
1 Schaufelrad1 paddle wheel
2 Bodenscheibe2 bottom plate
3 Schaufel3 scoops
4 Bodenscheibensegment4 ground disk segment
5 Nabenscheibe5 hub disc
6 Nabenhülse6 hub sleeve
7 Bohrungsscheibe7 bore disc
8 Nabenhülsenaufnahmebohrung8 hub sleeve receiving bore
9 Anschlusslasche9 connecting lug
10 Positionierungselement10 positioning element
11 Oberkante11 upper edge
12 Deckscheibe12 cover disc
13 Schweißbuckel 13 weld humps

Claims

Patentansprüche claims
1. Schaufelrad (1) aus Metallblech für den Einsatz in Kfz-Kühlmittelpumpen mit aus einer Scheibe ausgeklinkten und angestellten Schaufeln (3) und diesen benachbart angeordneten, zwischen den ausgeklinkten Schaufeln (3) verbleibenden Bodenscheibensegmenten (4), dadurch gekennzeichnet, dass das Schaufelrad (1) von mindestens zwei mit ausgeklinkten und angestellten Schaufeln (3) versehenen, miteinander fest verbundenen unterschiedlichen Schaufelradelementen gebildet wird, welche mit ihren jeweiligen Bodenscheibensegmenten (4) zueinander auf „Lücke" versetzt angeordnet sind und dadurch gemeinsam eine Bodenscheibe (2) ausbilden, wobei in einem dieser Schaufelradelemente, der Nabenscheibe (5), zentrisch eine Nabenhülse (6) und in dem/den anderen dieser Schaufelradelemente, der/den Bohrungsscheibe/n (7), ebenfalls zentrisch eine auf den Außenmantel der Nabenhülse (6) aufsteckbare Nabenhülsenaufnahmebohrung (8) angeordnet ist.1. paddle wheel (1) made of sheet metal for use in motor vehicle coolant pumps with notched and salaried blades (3) and this adjacent arranged between the notched blades (3) remaining bottom disk segments (4), characterized in that the paddle wheel (1) is formed by at least two notched blades (3) provided with each other firmly connected different Schaufelradelementen which are arranged offset with their respective bottom disk segments (4) to each other "gap" and thereby together form a bottom disk (2), wherein in one of these bucket wheel elements, the hub disc (5), centrally a hub shell (6) and in the other of these Schaufelradelemente, the / the Bohrungsscheibe / (7), also centric on the outer shell of the hub shell (6) attachable hub sleeve receiving bore (8) is arranged.
2. Schaufelrad (1) nach Anspruch 1 , dadurch gekennzeichnet, daß am Nabenrand der Nabenscheibe (5) zwischen den Bodenscheibensegmenten (4) jeweils eine/mehrere Anschlusslasche/n (9) angeordnet sind.2. paddle wheel (1) according to claim 1, characterized in that at the hub edge of the hub disc (5) between the bottom disk segments (4) in each case one / more connecting lugs / n (9) are arranged.
3. Schaufelrad (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass an der Nabenscheibe (5) wie auch an der/den Bohrungsscheibe/n (7) Verbindungs- und/oder Positionierungselemente (10) angeordnet sind.3. paddle wheel (1) according to claim 1 or 2, characterized in that on the hub disc (5) as well as on the / the bore disc / s (7) connecting and / or positioning elements (10) are arranged.
4. Schaufelrad (1) nach Anspruch 2, dadurch gekennzeichnet, dass die Anschlusslaschen (9) etwa in der Ebene der an der Nabenscheibe (5) angeordneten Bodenscheibensegmente (4) liegen. 4. paddle wheel (1) according to claim 2, characterized in that the connecting lugs (9) approximately in the plane of the hub disc (5) arranged bottom disc segments (4) lie.
5. Schaufelrad (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass an den Oberkanten (11) der Schaufeln (3) des Schaufelrades (1) eine Deckscheibe (12) angeordnet ist.5. paddle wheel (1) according to one of the preceding claims, characterized in that at the upper edges (11) of the blades (3) of the paddle wheel (1) a cover plate (12) is arranged.
6. Schaufelrad (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die von den Schaufelradelementen gebildete gemeinsame Bodenscheibe (2) gewölbt ausgebildet ist.6. Paddle wheel (1) according to one of the preceding claims, characterized in that the common bottom disc (2) formed by the paddle wheel elements is arched.
7. Schaufelrad (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Schaufeln (3) dreidimensional gekrümmt ausgebildet sind. 7. paddle wheel (1) according to any one of the preceding claims, characterized in that the blades (3) are formed three-dimensionally curved.
EP07764368A 2006-06-27 2007-06-14 Blade wheel Not-in-force EP2032858B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006029379A DE102006029379B3 (en) 2006-06-27 2006-06-27 Paddle wheel for use in motor vehicle coolant pump, has two different paddle wheel units firmly connected with each other, provided with notched and engaged blades and arranged with bottom disk segments, where wheel is made of metal plate
PCT/DE2007/001051 WO2008000221A1 (en) 2006-06-27 2007-06-14 Blade wheel

Publications (2)

Publication Number Publication Date
EP2032858A1 true EP2032858A1 (en) 2009-03-11
EP2032858B1 EP2032858B1 (en) 2009-09-02

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EP07764368A Not-in-force EP2032858B1 (en) 2006-06-27 2007-06-14 Blade wheel

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US (1) US8206084B2 (en)
EP (1) EP2032858B1 (en)
AT (1) ATE441781T1 (en)
BR (1) BRPI0714071A2 (en)
DE (3) DE102006029379B3 (en)
ES (1) ES2331386T3 (en)
WO (1) WO2008000221A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MX2010009171A (en) * 2008-02-22 2010-11-12 Horton Inc Fan manufacturing and assembly.
EP2226508A1 (en) * 2009-03-06 2010-09-08 Pompes Salmson Method of producing an impeller by stamping
JP5766277B2 (en) * 2010-04-19 2015-08-19 ピールブルグ パンプ テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツングＰｉｅｒｂｕｒｇ Ｐｕｍｐ Ｔｅｃｈｎｏｌｏｇｙ ＧｍｂＨ Electric refrigerant pump used in automobiles
JP2013160096A (en) * 2012-02-02 2013-08-19 Aisin Seiki Co Ltd Blade member for fluid pump
CN104131995B (en) * 2013-04-30 2016-12-28 浙江富地机械有限公司 The manufacture method of a kind of water pump vane and water pump
DE102017124746B3 (en) * 2017-10-23 2018-12-20 Piller Blowers & Compressors Gmbh Impeller and method of manufacturing the same
AT523456A1 (en) * 2020-02-03 2021-08-15 Miba Sinter Austria Gmbh Drive element

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298444A (en) * 1965-09-22 1967-01-17 Budd Co Turbine impeller assembly
SE395515B (en) 1975-03-25 1977-08-15 Sonesson Pumpind Ab PUMP WHEEL
DE2535196C3 (en) * 1975-08-07 1980-12-04 Sueddeutsche Kuehlerfabrik Julius Fr. Behr Gmbh & Co Kg, 7000 Stuttgart Impeller for radial flow machine
DE3343752A1 (en) * 1983-12-02 1985-06-20 Philipp Hilge Gmbh, 6501 Bodenheim Open impeller for hydrokinetic machines
DE19701297A1 (en) 1997-01-16 1998-07-23 Wilo Gmbh Impeller of a centrifugal pump
US6506023B1 (en) 2000-09-05 2003-01-14 Industrial Technology Research Institute Integrally formed stamping sheet-metal blades having 3D structure
DE20016414U1 (en) 2000-09-21 2001-01-04 Ind Tech Res Inst Leaf-shaped, three-dimensional metal wing structures formed in one piece by embossing
US6638020B1 (en) 2002-04-17 2003-10-28 Sea Chung Electric Co., Ltd. Spiral fluted wheel for a water pump
JP4593962B2 (en) 2004-04-26 2010-12-08 株式会社荏原製作所 Centrifugal pump and method of manufacturing centrifugal pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2008000221A1 *

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DE102006029379B3 (en) 2007-10-04
ATE441781T1 (en) 2009-09-15
WO2008000221A1 (en) 2008-01-03
US20090226319A1 (en) 2009-09-10
BRPI0714071A2 (en) 2012-12-18
DE112007001965A5 (en) 2009-05-28
EP2032858B1 (en) 2009-09-02
US8206084B2 (en) 2012-06-26
ES2331386T3 (en) 2009-12-30
DE502007001457D1 (en) 2009-10-15

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