EP3779201C0 - Scraper element for the leading edges of impellers of waste water pumps - Google Patents
Scraper element for the leading edges of impellers of waste water pumpsInfo
- Publication number
- EP3779201C0 EP3779201C0 EP19191970.3A EP19191970A EP3779201C0 EP 3779201 C0 EP3779201 C0 EP 3779201C0 EP 19191970 A EP19191970 A EP 19191970A EP 3779201 C0 EP3779201 C0 EP 3779201C0
- Authority
- EP
- European Patent Office
- Prior art keywords
- impellers
- waste water
- leading edges
- water pumps
- scraper element
- 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
Links
- 239000002351 wastewater Substances 0.000 title 1
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
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially 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
- 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
- F04D7/045—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 with means for comminuting, mixing stirring or otherwise treating
-
- 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
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2288—Rotors specially for centrifugal pumps with special measures for comminuting, mixing or separating
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19191970.3A EP3779201B1 (en) | 2019-08-15 | 2019-08-15 | Scraper element for the leading edges of impellers of waste water pumps |
HUE19191970A HUE062508T2 (en) | 2019-08-15 | 2019-08-15 | Scraper element for the leading edges of impellers of waste water pumps |
US17/635,236 US12044252B2 (en) | 2019-08-15 | 2020-08-03 | Wiping element for impeller leading edges of wastewater pumps |
AU2020327570A AU2020327570A1 (en) | 2019-08-15 | 2020-08-03 | Wiping element for impeller leading edges of wastewater pumps |
BR112022002294A BR112022002294A2 (en) | 2019-08-15 | 2020-08-03 | Wastewater pump to transport solid-laden wastewater |
CN202080057382.5A CN114245849B (en) | 2019-08-15 | 2020-08-03 | Scraping element for the inlet edge of an impeller of a sewage pump |
PCT/EP2020/071792 WO2021028246A1 (en) | 2019-08-15 | 2020-08-03 | Wiping element for impeller leading edges of wastewater pumps |
CA3149426A CA3149426A1 (en) | 2019-08-15 | 2020-08-03 | Wiping element for impeller leading edges of wastewater pumps |
SA522431683A SA522431683B1 (en) | 2019-08-15 | 2022-02-15 | Wiping element for impeller leading edges of wastewater pumps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19191970.3A EP3779201B1 (en) | 2019-08-15 | 2019-08-15 | Scraper element for the leading edges of impellers of waste water pumps |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3779201A1 EP3779201A1 (en) | 2021-02-17 |
EP3779201C0 true EP3779201C0 (en) | 2023-06-07 |
EP3779201B1 EP3779201B1 (en) | 2023-06-07 |
Family
ID=67659004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19191970.3A Active EP3779201B1 (en) | 2019-08-15 | 2019-08-15 | Scraper element for the leading edges of impellers of waste water pumps |
Country Status (9)
Country | Link |
---|---|
US (1) | US12044252B2 (en) |
EP (1) | EP3779201B1 (en) |
CN (1) | CN114245849B (en) |
AU (1) | AU2020327570A1 (en) |
BR (1) | BR112022002294A2 (en) |
CA (1) | CA3149426A1 (en) |
HU (1) | HUE062508T2 (en) |
SA (1) | SA522431683B1 (en) |
WO (1) | WO2021028246A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3988793B1 (en) * | 2020-10-26 | 2024-08-07 | Xylem Europe GmbH | Pump comprising an impeller seat with a guide pin |
EP4102080A1 (en) * | 2021-06-08 | 2022-12-14 | Xylem Europe GmbH | Pump and hydraulic unit of a pump |
WO2023057236A1 (en) | 2021-10-04 | 2023-04-13 | KSB SE & Co. KGaA | Centrifugal pump having wear-resistant wear plate with scraper element |
DE102022124356A1 (en) | 2021-10-04 | 2023-05-25 | KSB SE & Co. KGaA | Centrifugal pump with wear-resistant wear plate with scraper element wear-resistant wear plate with scraper element |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3096718A (en) * | 1961-12-12 | 1963-07-09 | Conard Kenner | Trash cutter for a pump |
AT255912B (en) * | 1964-07-01 | 1967-07-25 | Schlesiger & Co Kg Feluwa | Dirty water centrifugal pump |
US4604035A (en) * | 1985-01-02 | 1986-08-05 | A. O. Smith Harvestore Products, Inc. | Submersible pump having frangible drive connection |
JP4326616B2 (en) * | 1999-01-11 | 2009-09-09 | 株式会社鶴見製作所 | Blockage prevention device for impeller inlet in vortex type centrifugal pump used in sewage filth containing fibrous and string-like foreign matters |
US6190121B1 (en) * | 1999-02-12 | 2001-02-20 | Hayward Gordon Limited | Centrifugal pump with solids cutting action |
SE524048C2 (en) * | 2002-04-26 | 2004-06-22 | Itt Mfg Enterprises Inc | Device at pump |
DE102004058458B3 (en) * | 2004-12-03 | 2006-05-18 | Brinkmann Pumpen K.H. Brinkmann Gmbh & Co. Kg | Pump with axial impeller e.g. for pump, has screw-shaped wings for sucking in liquid by inlet port arranged at lower surface of axial impeller with wings at lower surface have cutting edge |
SE527818C2 (en) * | 2005-06-17 | 2006-06-13 | Itt Mfg Enterprises Inc | Pump is for moving contaminated fluid including solid material and has pump housing, rotatable pump wheel with at least one blade and pump wheel seat containing at least one recess in its upper surface |
SE0501542L (en) * | 2005-07-01 | 2006-07-25 | Itt Mfg Enterprises Inc | Pump for pumping contaminated liquid including solids |
SE530785C2 (en) * | 2006-01-23 | 2008-09-09 | Itt Mfg Enterprises Inc | Pump for pumping contaminated liquid containing solids |
EP2888484B1 (en) * | 2012-08-23 | 2021-02-17 | Sulzer Management AG | Pump for transporting waste water and wheel and floor panel for same |
SE539558C2 (en) * | 2013-08-15 | 2017-10-10 | Xylem Ip Man S À R L | Pump for pumping fluid and impeller assembly |
JP6415116B2 (en) * | 2014-05-30 | 2018-10-31 | 株式会社荏原製作所 | Casing liner for sewage pump and sewage pump provided with the same |
CN107407284B (en) * | 2015-03-27 | 2020-06-12 | 株式会社荏原制作所 | Volute pump |
-
2019
- 2019-08-15 EP EP19191970.3A patent/EP3779201B1/en active Active
- 2019-08-15 HU HUE19191970A patent/HUE062508T2/en unknown
-
2020
- 2020-08-03 BR BR112022002294A patent/BR112022002294A2/en unknown
- 2020-08-03 CN CN202080057382.5A patent/CN114245849B/en active Active
- 2020-08-03 CA CA3149426A patent/CA3149426A1/en active Pending
- 2020-08-03 WO PCT/EP2020/071792 patent/WO2021028246A1/en active Application Filing
- 2020-08-03 AU AU2020327570A patent/AU2020327570A1/en active Pending
- 2020-08-03 US US17/635,236 patent/US12044252B2/en active Active
-
2022
- 2022-02-15 SA SA522431683A patent/SA522431683B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN114245849A (en) | 2022-03-25 |
CA3149426A1 (en) | 2021-02-18 |
US20220290695A1 (en) | 2022-09-15 |
US12044252B2 (en) | 2024-07-23 |
WO2021028246A1 (en) | 2021-02-18 |
SA522431683B1 (en) | 2024-06-06 |
EP3779201A1 (en) | 2021-02-17 |
AU2020327570A1 (en) | 2022-02-17 |
CN114245849B (en) | 2024-08-13 |
BR112022002294A2 (en) | 2022-04-26 |
HUE062508T2 (en) | 2023-11-28 |
EP3779201B1 (en) | 2023-06-07 |
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Inventor name: PETIT, NICOLAS Inventor name: MUELLER, ENRICO Inventor name: KAMINSKI, MATEUSZ Inventor name: JAEGER, CHRISTOPH |
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