EP1886026B1 - Pompe a eau - Google Patents

Pompe a eau Download PDF

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Publication number
EP1886026B1
EP1886026B1 EP06829723A EP06829723A EP1886026B1 EP 1886026 B1 EP1886026 B1 EP 1886026B1 EP 06829723 A EP06829723 A EP 06829723A EP 06829723 A EP06829723 A EP 06829723A EP 1886026 B1 EP1886026 B1 EP 1886026B1
Authority
EP
European Patent Office
Prior art keywords
water
pump
rotor
foregoing
water pump
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.)
Active
Application number
EP06829723A
Other languages
German (de)
English (en)
Other versions
EP1886026A1 (fr
Inventor
Andreas Hanke
Dominik Brune
Ingo Gdanitz
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.)
Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik
Original Assignee
Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik
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 Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik filed Critical Oase Pumpen Wuebker Soehne GmbH and Co Maschinenfabrik
Publication of EP1886026A1 publication Critical patent/EP1886026A1/fr
Application granted granted Critical
Publication of EP1886026B1 publication Critical patent/EP1886026B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/181—Axial flow rotors
    • F04D29/183—Semi axial flow rotors
    • 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
    • F04D29/2216—Shape, geometry
    • 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
    • F04D29/2238—Special flow patterns
    • F04D29/2255—Special flow patterns flow-channels with a special cross-section contour, e.g. ejecting, throttling or diffusing effect

Definitions

  • the invention relates to a water pump, in particular for use in garden ponds and aquariums, according to the preamble of claim 1.
  • pumps are used in this area, which have a motor-driven radial impeller, so that the water to be pumped is deflected by a deflection angle of 90 °.
  • these pumps meet the requirements prevailing in the respective arrangements requirements, which usually must be a deflection by about 90 °.
  • water pumps generate a fairly high discharge pressure, but have a relatively low flow. If a large delivery volume is to be achieved with such pumps, the required power consumption is very high.
  • a water pump having a water inlet and a water outlet having a pump housing in which a driven pump impeller is arranged.
  • the purpose of the invention is to provide a pump for low heads, which has no problems with wear due to suspended matter contained in water.
  • it is proposed to form the inlet opening of the impeller larger than the diameter of the trailing edge of the impeller and to arrange the impeller in the inlet funnel.
  • the GB 154,151 is concerned with the improvement of marine propellers, where due to high rotational speeds of the propeller can be formed such that an inward flow along the shaft axis is formed.
  • the invention has for its object to provide a water pump with improved efficiency in terms of delivery volume. This object is achieved by a water pump with the features of claim 1.
  • the illustrated water pump has a pump housing 1 and a motor housing 2 sealed thereto, which together form the overall housing of the pump.
  • the pump housing 1 has a water inlet 3 and a water outlet 4, which is preferably arranged centrally on the upper side of the pump housing.
  • the pump impeller 5 designed as a diagonal impeller is arranged between the water inlet 3 and the water outlet 4. This is in Fig. 2 shown in perspective.
  • the pump impeller 5 has a substantially conical cover plate 6, through which the flow of water, indicated by the arrows 7 is passed diagonally through the pump housing.
  • the pump approximately in 90 ° deflected direction relative to the inlet direction of the water flow 7.
  • the cover plate 6 of the pump impeller. 5 forms a cone angle ⁇ of preferably 80 ° to 100 °.
  • the illustrated embodiment since the front blade edges 8 of the impeller blades 9 in the diagonal direction, parallel to the water flow direction 7 and the surface of the cover plate 6 extend.
  • the impeller blades 9 can be adapted to the contour of the fixed pump housing 1, so that they form a sealing gap 10 there.
  • a narrow sealing gap 10 between the stationary pump housing 1 and the rotating pump impeller 5 can be achieved even with standard tolerances of the components. This leads to a low internal leakage current and thus to an improved hydraulic efficiency.
  • the pump can be special be constructed compact, when the sealing gap 10 is disposed in the transition region between the water inlet 3 and the water outlet 4.
  • the pump of the illustrated embodiment is optimized in terms of flow behavior and smoothness by the impeller blades 9 have a wing profile and the cover plate 6 of the pump impeller 5 has a sharp-edged rear end 13.
  • a good flow distribution in the flow of the pump impeller 5 is also achieved in that the leading edges 14 of the impeller blades 9 are aligned substantially perpendicular to the inflow direction of the water in the water inlet 3.
  • an opening 15 or a bore is preferably arranged, which serves for cooling and venting purposes.
  • the pump impeller 5 can be made as a plastic injection molded part.
  • a metal ring is injected, which serves as a bearing receptacle.
  • the metal ring 16 is in Fig. 2 shown in exploded view behind the impeller shaft 17, but arranged in the finished component within the impeller shaft 17. Via the metal ring 16, the pump impeller 5 is mounted on an electric motor 18, from which it is driven in rotation.
  • the water pump according to the invention is by their compact design, their high flow rate and their low power consumption outstanding as a circulating pump especially for applications in which a continuous operation is required. Compared to conventional pumps can be achieved as a significant energy savings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)

Claims (10)

  1. Pompe à eau avec un carter de pompe (1) présentant une entrée d'eau (3) et une sortie d'eau (4) dans lequel est agencée une roue de pompe entraînée (5), la roue de pompe (5) étant réalisée sous forme de roue diagonale avec un disque de recouvrement (6) essentiellement conique, caractérisée en ce que l'entrée d'eau (3) et la sortie d'eau (4) sont agencées de telle sorte que le sens d'entrée de l'eau et le sens de sortie de l'eau sont essentiellement perpendiculaires l'un à l'autre et les aubes de roue (9) présentent un profil d'aile.
  2. Pompe à eau selon la revendication 1, caractérisée en ce que les arêtes d'aubes avant (8) des aubes de roue (9) s'étendent dans le sens diagonal.
  3. Pompe à eau selon l'une quelconque des revendications précédentes, caractérisée en ce que les arêtes d'aubes avant (8) des aubes de roue (9) s'étendent parallèlement à l'écoulement de l'eau.
  4. Pompe à eau selon l'une quelconque des revendications précédentes, caractérisée en ce que les arêtes d'aubes avant (8) des aubes de roue (9) forment une fente d'étanchéité (10) avec le contour intérieur du carter de pompe (1).
  5. Pompe à eau selon la revendication 4, caractérisée en ce que la fente d'étanchéité (10) est agencée dans la zone de transition entre l'entrée d'eau (3) et la sortie d'eau (4).
  6. Pompe à eau selon l'une quelconque des revendications précédentes, caractérisée en ce que le disque de recouvrement (6) de la roue de pompe (5) présente une fermeture (13) arrière à arêtes vives.
  7. Pompe à eau selon l'une quelconque des revendications précédentes, caractérisée en ce que le disque de recouvrement (6) de la roue de pompe (5) présente un passage (15) au sommet du cône.
  8. Pompe à eau selon l'une quelconque des revendications précédentes, caractérisée en ce que le disque de recouvrement (6) de la roue de pompe (5) présente un angle de cône (α) allant de 80° à 100°.
  9. Pompe à eau selon l'une quelconque des revendications précédentes, caractérisée en ce que la roue de pompe (5) est une pièce plastique moulée par injection et présente au moins une bague (16) moulée par injection en un autre matériau, en particulier du métal.
  10. Pompe à eau selon l'une quelconque des revendications précédentes, caractérisée en ce que la sortie d'eau (4) est agencée de manière essentiellement centrale sur la face supérieure du carter de pompe (1).
EP06829723A 2006-02-27 2006-12-19 Pompe a eau Active EP1886026B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006009495A DE102006009495A1 (de) 2006-02-27 2006-02-27 Wasserpumpe
PCT/EP2006/012214 WO2007098800A1 (fr) 2006-02-27 2006-12-19 Pompe a eau

Publications (2)

Publication Number Publication Date
EP1886026A1 EP1886026A1 (fr) 2008-02-13
EP1886026B1 true EP1886026B1 (fr) 2009-12-23

Family

ID=37825063

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06829723A Active EP1886026B1 (fr) 2006-02-27 2006-12-19 Pompe a eau

Country Status (7)

Country Link
US (1) US20090004020A1 (fr)
EP (1) EP1886026B1 (fr)
CN (1) CN101208519B (fr)
AT (1) ATE453052T1 (fr)
CA (1) CA2612471A1 (fr)
DE (2) DE102006009495A1 (fr)
WO (1) WO2007098800A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3002271A1 (fr) * 2013-02-21 2014-08-22 Thy Engineering Roue de turbine, de compresseur ou de pompe.
EP2984348A4 (fr) * 2013-04-10 2016-11-16 Weir Minerals Australia Ltd Rotor de pompe
CN106015083B (zh) * 2016-07-05 2019-12-31 汉宇集团股份有限公司 一种混流式水泵叶轮及水泵
CN105971927B (zh) * 2016-07-05 2020-10-16 汉宇集团股份有限公司 一种水泵叶轮及水泵

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US224870A (en) * 1880-02-24 Rotary pump
US2704516A (en) * 1955-03-22 Rotary pump
GB154151A (en) * 1919-09-02 1920-11-25 Lewis Ferry Moody Improvements in rotary hydraulic machines of the axial flow type
CH390687A (de) * 1961-02-27 1965-04-15 Egger & Co Kreiselpumpe
US3181471A (en) * 1961-06-23 1965-05-04 Babcock & Wilcox Co Centrifugal pump construction
US3608088A (en) * 1969-04-17 1971-09-28 Univ Minnesota Implantable blood pump
US4538959A (en) * 1982-11-01 1985-09-03 International Telephone & Telegraph Corp. Clean-in-place pump
US4948336A (en) * 1987-12-10 1990-08-14 Sundstrand Corporation Mechanical shaft seal
CN1034044A (zh) * 1988-01-06 1989-07-19 杨惠亭 一种低比转数离心泵用的翼形叶轮
US4871301A (en) * 1988-02-29 1989-10-03 Ingersoll-Rand Company Centrifugal pump bearing arrangement
FI85749C (fi) * 1988-12-28 1992-05-25 Sarlin Ab Oy E Pump.
JP3998456B2 (ja) * 2001-11-05 2007-10-24 アイシン化工株式会社 冷却ファン

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
"Strömungsmaschinen - Grundlagen und Anwendungen - 3. Auflage", HANSER, article HERBERT SIGLOCH, pages: 57, 321 *
INSTITUT FÜR HYDROMECHANIK - UNIVERSITÄT KARLSRUHE, article LANG, CORNELIA; STACHE, NIKOLAI: "Hydraulik von Rohrsystemen", pages: 39 *
vol. STB, part 619-41-01, 619-41-25 20 June 2005, STAATLICHE TECHNIKERSCHULE BERLIN, article DR. BAUER: "Umweltschutztechnik / Apparate- und Anlagetechnik / Pumpen und Verdichter Strömungsmaschinen" *

Also Published As

Publication number Publication date
CN101208519A (zh) 2008-06-25
US20090004020A1 (en) 2009-01-01
EP1886026A1 (fr) 2008-02-13
ATE453052T1 (de) 2010-01-15
DE102006009495A1 (de) 2007-08-30
CA2612471A1 (fr) 2007-09-07
WO2007098800A1 (fr) 2007-09-07
DE502006005730D1 (de) 2010-02-04
CN101208519B (zh) 2011-12-14

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