EP1134420A2 - Pompe centrifuge avec structure de surface améliorant l'écoulement - Google Patents

Pompe centrifuge avec structure de surface améliorant l'écoulement Download PDF

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Publication number
EP1134420A2
EP1134420A2 EP01106319A EP01106319A EP1134420A2 EP 1134420 A2 EP1134420 A2 EP 1134420A2 EP 01106319 A EP01106319 A EP 01106319A EP 01106319 A EP01106319 A EP 01106319A EP 1134420 A2 EP1134420 A2 EP 1134420A2
Authority
EP
European Patent Office
Prior art keywords
pump
pump according
pump housing
surface structures
housing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01106319A
Other languages
German (de)
English (en)
Other versions
EP1134420A3 (fr
Inventor
Christian Lindig
Ulrich Heise
Karl-Heinz Oltmanns
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.)
ACC Germany GmbH
Original Assignee
FHP Motors GmbH
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 FHP Motors GmbH filed Critical FHP Motors GmbH
Publication of EP1134420A2 publication Critical patent/EP1134420A2/fr
Publication of EP1134420A3 publication Critical patent/EP1134420A3/fr
Withdrawn legal-status Critical Current

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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
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
    • F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
    • F04D29/4286—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps inside lining, e.g. rubber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • 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
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
    • F04D29/688—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for liquid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/60—Structure; Surface texture
    • F05D2250/61—Structure; Surface texture corrugated

Definitions

  • the invention relates to a pump, in particular a circulation pump for Household machines such as washing machines or dishwashers and machines similar design.
  • the invention has for its object a pump, in particular a Circulation pump for household machines such as washing or To create dishwashers and machines of a similar design, the one Improve efficiency, absorbency and Characteristic characteristic with a reduction in friction losses and Provides noise emission and has an increase in life.
  • a pump in particular a Circulation pump for household machines such as washing or To create dishwashers and machines of a similar design, the one Improve efficiency, absorbency and Characteristic characteristic with a reduction in friction losses and Provides noise emission and has an increase in life.
  • the pump according to the invention has a simple structure and works energy saving and low noise.
  • Claims 2 and 3 are the friction losses with the simplest means noticeably reduced.
  • the special structures in or on the inner surfaces in the pump housing and the impeller have a water repellent Property with a self-cleaning effect and produce with the simplest Means mini turbulence.
  • a further reduction in friction losses is achieved in that the Leading edges of the blades are rounded.
  • the pump shown in longitudinal section in FIG. 1 serves in particular as Circulation pump for household machines such as washing or Dishwashers or similar devices and is composed of the Drive motor 1 and the pump 3, the pump chamber 5 of one in it revolving pump wheel 9 equipped with blades 7 arranged coaxially, hollow cylindrical pump housing 11 is formed.
  • the impeller 9 is with a hub 13 on the free end 15 of a drive shaft 17 of the Drive motor 1 attached, the drive shaft 17 in two ball bearings 19, 21 rotatably mounted. These ball bearings 19, 21 are supported in end shields 27, 29 from which the housing 31 of the electric motor Form drive motor 1 and held together by screws 33, 35 become.
  • the pump interior 5 is covered by a sealing washer 37 sealed with a flange 38 between a mounting flange 39 on the pump housing 11 and that serving as the motor flange 41 Outside of the bearing plate 27 is arranged attached.
  • the flange 38 has a peripheral edge recess 43 for a sealing ring 45.
  • the motor flange 41 of the bearing plate 27 has locking cams 47 which can be brought into engagement with one another with counter-locking cams 49 in the manner of a bayonet lock.
  • the pump housing 11 has on the end face an intake port 51 of an intake pipe 50, which opens into the pump interior 5, from which a tangentially directed pressure port 52 extends.
  • the pump interior 5 on the front wall 55 and the outer wall 57 with scales in the manner of a penguin plumage structure be provided. With this measure, too Friction losses are reduced and the performance and noise of the Pump 3 optimized.
  • the surface structures used to reduce friction losses, which generate mini turbulence can also be used as longitudinal grooves in the Connection tubes 75, 77 in the form of shark skin or Penguin plumage - be formed surface structures. This will therefore also achieved an improvement in flow properties.
  • a further reduction in the friction losses in the pump 3 succeeds in that the leading edges 69 of the blades 7 of the impeller 9th are rounded. As a result, a broadband speed interpretation of the Pump 3 enables.
  • the inner surface of the pump housing can also 11 also a paint can be applied, the water-repellent Properties can be generated by silicone resin emulsions.
  • the pump housing can consist of a plastic part, the Water-repellent properties due to the addition of Teflon, Silicone compounds, natural or artificial waxes such as polyethylene or polypropylene can be produced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP01106319A 2000-03-15 2001-03-15 Pompe centrifuge avec structure de surface améliorant l'écoulement Withdrawn EP1134420A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10012666 2000-03-15
DE10012666A DE10012666A1 (de) 2000-03-15 2000-03-15 Pumpe, insbesondere Umwälzpumpe für Haushaltsmaschinen wie Wasch- und/oder Geschirrspülmaschinen

Publications (2)

Publication Number Publication Date
EP1134420A2 true EP1134420A2 (fr) 2001-09-19
EP1134420A3 EP1134420A3 (fr) 2002-08-14

Family

ID=7634846

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106319A Withdrawn EP1134420A3 (fr) 2000-03-15 2001-03-15 Pompe centrifuge avec structure de surface améliorant l'écoulement

Country Status (2)

Country Link
EP (1) EP1134420A3 (fr)
DE (1) DE10012666A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140073498A1 (en) * 2012-09-06 2014-03-13 Eppendorf Ag Rotor Device, Centrifuge Bowl, and Centrifuge, and the Production Method Thereof
DE102013108482A1 (de) * 2013-08-06 2015-02-12 Pfeiffer Vacuum Gmbh Vakuumpumpstufe
EP4206470A1 (fr) * 2021-04-28 2023-07-05 Herborner Pumpentechnik GmbH & Co KG Roue de pompe, élément de carter et pompe l'utilisant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008009985U1 (de) * 2008-07-24 2009-12-17 Ebm-Papst Mulfingen Gmbh & Co. Kg Ventilator- oder Gebläserad mit einer Antihaftbeschichtung
DE102010021240A1 (de) * 2010-05-21 2011-11-24 Oerlikon Leybold Vacuum Gmbh Verfahren zur Oberflächenbehandlung

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017740B (de) 1956-06-27 1957-10-17 Siemens Ag Fluessigkeitsringpumpe insbesondere Wasserringpumpe
DE3115577A1 (de) 1981-04-16 1982-11-11 Siemens AG, 1000 Berlin und 8000 München Fluessigkeitsringpumpe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB750997A (en) * 1954-03-08 1956-06-20 Gorman Rupp Ind Inc Improvements in or relating to a centrifugal pump
DE1158841B (de) * 1959-06-10 1963-12-05 M U K H Schreiner Saugbagger U Pumpe zur Foerderung von Feststoff-Wasser-Gemischen mit auswechselbarem Innengehaeuse
DE3534293A1 (de) * 1985-09-26 1987-04-02 Messerschmitt Boelkow Blohm Einrichtung zur verringerung des reibungswiderstandes
GB2195920A (en) * 1986-08-29 1988-04-20 Corrocoat Limited Coating internal surfaces of pumps
DE4319628A1 (de) * 1993-06-15 1994-12-22 Klein Schanzlin & Becker Ag Strukturierte Oberflächen von Strömungsmaschinenbauteilen
DE9316009U1 (de) * 1993-10-20 1994-01-13 Moser, Josef, 85435 Erding Oberfläche eines fluidumströmten Körpers

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1017740B (de) 1956-06-27 1957-10-17 Siemens Ag Fluessigkeitsringpumpe insbesondere Wasserringpumpe
DE3115577A1 (de) 1981-04-16 1982-11-11 Siemens AG, 1000 Berlin und 8000 München Fluessigkeitsringpumpe

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140073498A1 (en) * 2012-09-06 2014-03-13 Eppendorf Ag Rotor Device, Centrifuge Bowl, and Centrifuge, and the Production Method Thereof
DE102013108482A1 (de) * 2013-08-06 2015-02-12 Pfeiffer Vacuum Gmbh Vakuumpumpstufe
EP4206470A1 (fr) * 2021-04-28 2023-07-05 Herborner Pumpentechnik GmbH & Co KG Roue de pompe, élément de carter et pompe l'utilisant

Also Published As

Publication number Publication date
EP1134420A3 (fr) 2002-08-14
DE10012666A1 (de) 2001-09-20

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