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 (8)
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 |
AU2020327570A AU2020327570A1 (en) | 2019-08-15 | 2020-08-03 | Wiping element for impeller leading edges of wastewater pumps |
CN202080057382.5A CN114245849A (en) | 2019-08-15 | 2020-08-03 | Scraping element for inlet edge of impeller of sewage pump |
BR112022002294A BR112022002294A2 (en) | 2019-08-15 | 2020-08-03 | Wastewater pump to transport solid-laden wastewater |
US17/635,236 US12044252B2 (en) | 2019-08-15 | 2020-08-03 | Wiping element for impeller leading edges of wastewater pumps |
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 |
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 |
EP3779201B1 EP3779201B1 (en) | 2023-06-07 |
EP3779201C0 true EP3779201C0 (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 (7)
Country | Link |
---|---|
EP (1) | EP3779201B1 (en) |
CN (1) | CN114245849A (en) |
AU (1) | AU2020327570A1 (en) |
BR (1) | BR112022002294A2 (en) |
CA (1) | CA3149426A1 (en) |
HU (1) | HUE062508T2 (en) |
WO (1) | WO2021028246A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3988793A1 (en) | 2020-10-26 | 2022-04-27 | Xylem Europe GmbH | Impeller seat with a guide pin for a pump |
EP4102080A1 (en) * | 2021-06-08 | 2022-12-14 | Xylem Europe GmbH | Pump and hydraulic unit of a pump |
CA3237788A1 (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 (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3096718A (en) * | 1961-12-12 | 1963-07-09 | Conard Kenner | Trash cutter for a 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 |
SE527964C2 (en) * | 2005-07-01 | 2006-07-25 | Itt Mfg Enterprises Inc | Pump is for pumping contaminated liquid including solid material and incorporates pump housing with rotatable pump wheel suspended on drive shaft, with at least one blade and pump wheel seat |
CN104685217B (en) * | 2012-08-23 | 2017-10-24 | 苏尔寿管理有限公司 | Pump for transport wastewater and the impeller and bottom plate for this pump |
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 |
-
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 CN CN202080057382.5A patent/CN114245849A/en active Pending
- 2020-08-03 BR BR112022002294A patent/BR112022002294A2/en unknown
- 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
Also Published As
Publication number | Publication date |
---|---|
EP3779201B1 (en) | 2023-06-07 |
CN114245849A (en) | 2022-03-25 |
BR112022002294A2 (en) | 2022-04-26 |
AU2020327570A1 (en) | 2022-02-17 |
CA3149426A1 (en) | 2021-02-18 |
EP3779201A1 (en) | 2021-02-17 |
HUE062508T2 (en) | 2023-11-28 |
WO2021028246A1 (en) | 2021-02-18 |
US20220290695A1 (en) | 2022-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HUE062508T2 (en) | Scraper element for the leading edges of impellers of waste water pumps | |
EP3774076A4 (en) | All plastic water resistant pump | |
CA191669S (en) | Water pump | |
GB2578002B (en) | Water Filter Assembly | |
SG10201907366PA (en) | Multiphase pump | |
EP3846619A4 (en) | Centrifugal pump pet water fountain | |
SG11202012607XA (en) | Submersible Pump | |
SG10201910910XA (en) | Multiphase pump | |
EP3597881A4 (en) | Water pump | |
EP3919746A4 (en) | Electric water pump | |
EP3891403C0 (en) | Fluid pump | |
GB201909592D0 (en) | Water desalination | |
HUE060484T2 (en) | Fluid pump | |
ZA202208434B (en) | Water desalinization systems | |
EP3722693A4 (en) | Duct having exposed drain pump water container | |
EP3597880A4 (en) | Water pump | |
AU2018903550A0 (en) | Water Tank Floating Outlet Fitting Kit | |
CA194403S (en) | Water filter | |
ES1206636Y (en) | MOTORIZED SCRAPER WITH WATER OUTLET | |
AU2017903817A0 (en) | Water Tank Floating Outlet Fitting Kit | |
UA37818S (en) | PUMP FOR WATER | |
GB201804716D0 (en) | Water supply outlet assembly | |
GB201800306D0 (en) | Wave powered fluid pump | |
DK3806989T3 (en) | Submersible stirrer for stirring drinking water | |
GB201809340D0 (en) | Dual-lever water saving faucet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20210714 |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: GRANT OF PATENT IS INTENDED |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: F04D 29/70 20060101ALI20221007BHEP Ipc: F04D 29/22 20060101ALI20221007BHEP Ipc: F04D 7/04 20060101AFI20221007BHEP |
|
INTG | Intention to grant announced |
Effective date: 20221027 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: PETIT, NICOLAS Inventor name: MUELLER, ENRICO Inventor name: KAMINSKI, MATEUSZ Inventor name: JAEGER, CHRISTOPH |
|
GRAS | Grant fee paid |
Free format text: ORIGINAL CODE: EPIDOSNIGR3 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE PATENT HAS BEEN GRANTED |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
REG | Reference to a national code |
Ref country code: GB Ref legal event code: FG4D Free format text: NOT ENGLISH |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: EP Ref country code: AT Ref legal event code: REF Ref document number: 1575848 Country of ref document: AT Kind code of ref document: T Effective date: 20230615 Ref country code: DE Ref legal event code: R096 Ref document number: 502019007907 Country of ref document: DE |
|
U01 | Request for unitary effect filed |
Effective date: 20230616 |
|
U02 | Date of filing of the request for unitary effect changed |
Effective date: 20230706 |
|
U07 | Unitary effect registered |
Designated state(s): AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI Effective date: 20230713 |
|
U20 | Renewal fee paid [unitary effect] |
Year of fee payment: 5 Effective date: 20230802 |
|
REG | Reference to a national code |
Ref country code: LT Ref legal event code: MG9D |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230907 Ref country code: ES Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 |
|
REG | Reference to a national code |
Ref country code: HU Ref legal event code: AG4A Ref document number: E062508 Country of ref document: HU |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: RS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 Ref country code: HR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 Ref country code: GR Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230908 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: HU Payment date: 20230803 Year of fee payment: 5 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231007 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SM Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 Ref country code: SK Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 Ref country code: RO Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 Ref country code: IS Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20231007 Ref country code: CZ Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PL Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 |
|
REG | Reference to a national code |
Ref country code: DE Ref legal event code: R097 Ref document number: 502019007907 Country of ref document: DE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: MC Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT Effective date: 20230607 |
|
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20230831 |
|
26N | No opposition filed |
Effective date: 20240308 |
|
REG | Reference to a national code |
Ref country code: IE Ref legal event code: MM4A |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20230907 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20230815 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20230907 |