ATE421638T1 - WHEEL - Google Patents

WHEEL

Info

Publication number
ATE421638T1
ATE421638T1 AT05732227T AT05732227T ATE421638T1 AT E421638 T1 ATE421638 T1 AT E421638T1 AT 05732227 T AT05732227 T AT 05732227T AT 05732227 T AT05732227 T AT 05732227T AT E421638 T1 ATE421638 T1 AT E421638T1
Authority
AT
Austria
Prior art keywords
hub
channel impeller
blade
front edge
centrifugal pump
Prior art date
Application number
AT05732227T
Other languages
German (de)
Inventor
Axel Fredriksson
Original Assignee
Pumpex Production Ab
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32294306&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE421638(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pumpex Production Ab filed Critical Pumpex Production Ab
Application granted granted Critical
Publication of ATE421638T1 publication Critical patent/ATE421638T1/en

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
    • F04D29/2238—Special flow patterns
    • F04D29/225—Channel wheels, e.g. one blade or one flow channel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
    • F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
    • F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
    • 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
    • F04D29/24—Vanes
    • F04D29/242—Geometry, shape
    • F04D29/245—Geometry, shape for special effects
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/303—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the leading edge of a rotor blade

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)
  • Pulleys (AREA)

Abstract

The present invention. relates to an open or half- open channel impeller for a centrifugal pump for waste-water. The channel impeller has a substantially circular periphery and comprises a central hub with a hub axis and a hub plane to which the hub axis extends perpendicularly. The channel impeller further comprises at least one blade which extends from the hub to the periphery. Each blade has a front edge adjacent to the hub, which front edge is continuously curved with an inclination to the hub plane which is 20<°> minimum and 50° maximum. The invention also relates to a centrifugal pump comprising such a channel impeller.
AT05732227T 2004-04-15 2005-04-14 WHEEL ATE421638T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0400964A SE0400964L (en) 2004-04-15 2004-04-15 channel Wheel

Publications (1)

Publication Number Publication Date
ATE421638T1 true ATE421638T1 (en) 2009-02-15

Family

ID=32294306

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05732227T ATE421638T1 (en) 2004-04-15 2005-04-14 WHEEL

Country Status (5)

Country Link
EP (1) EP1747377B1 (en)
AT (1) ATE421638T1 (en)
DE (1) DE602005012498D1 (en)
SE (1) SE0400964L (en)
WO (1) WO2005100796A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012023731B4 (en) * 2012-12-05 2021-03-11 Wilo Se Centrifugal pump especially for waste water or dirty water
ITMI20130608A1 (en) * 2013-04-12 2014-10-13 Pompe Rotomec S R L IMPELLER FOR ANTI-CLOGGING AND HIGH HYDRAULIC PERFORMANCE PUMPS
EP2908012B1 (en) * 2014-01-24 2019-02-27 McFinn Technologies Radial impeller and casing for centrifugal pump
JP6488167B2 (en) * 2015-03-27 2019-03-20 株式会社荏原製作所 Centrifugal pump
CN105927580A (en) * 2016-06-03 2016-09-07 浙江永球科技有限公司 Novel efficient sewage pump
CN110529426B (en) * 2019-08-27 2024-04-02 浙江理工大学 Open impeller structure for high-speed pump
EP3971422B1 (en) * 2020-09-22 2024-05-15 Xylem Europe GmbH Open impeller for submergible pump configured for pumping liquid comprising abrasive matter and submergible pump therewith

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1763595A (en) * 1928-04-28 1930-06-10 Allis Chalmers Mfg Co Pump
DE962222C (en) * 1953-08-23 1957-04-18 Amag Hilpert Pegnitzhuette Ag Impeller for centrifugal pumps, particularly for pumping liquids containing solid admixtures
FI69683C (en) * 1982-02-08 1986-03-10 Ahlstroem Oy CENTRIFUGALPUMP FOER VAETSKOR INNEHAOLLANDE FASTA AEMNEN
DE4338931C2 (en) * 1993-11-15 1996-09-05 Wilo Gmbh Non-clogging centrifugal pump
US6053698A (en) * 1995-08-31 2000-04-25 Giw Industries, Inc. High capacity slurry pump
US6123507A (en) * 1998-11-30 2000-09-26 Smith & Loveless, Inc. Single port impeller

Also Published As

Publication number Publication date
EP1747377A1 (en) 2007-01-31
SE526557C2 (en) 2005-10-11
WO2005100796A1 (en) 2005-10-27
SE0400964L (en) 2005-10-11
EP1747377B1 (en) 2009-01-21
SE0400964D0 (en) 2004-04-15
DE602005012498D1 (en) 2009-03-12

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties