EP2930367A4 - Pump blade for submerged pump and submerged pump having same - Google Patents

Pump blade for submerged pump and submerged pump having same

Info

Publication number
EP2930367A4
EP2930367A4 EP14819908.6A EP14819908A EP2930367A4 EP 2930367 A4 EP2930367 A4 EP 2930367A4 EP 14819908 A EP14819908 A EP 14819908A EP 2930367 A4 EP2930367 A4 EP 2930367A4
Authority
EP
European Patent Office
Prior art keywords
pump
submerged
same
blade
submerged 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.)
Granted
Application number
EP14819908.6A
Other languages
German (de)
French (fr)
Other versions
EP2930367B1 (en
EP2930367A1 (en
Inventor
Masahito Kawai
Hiromi Sakacho
Masashi Obuchi
Hiroshi Uchida
Miho Isono
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.)
Ebara Corp
Original Assignee
Ebara Corp
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=52143424&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2930367(A4) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ebara Corp filed Critical Ebara Corp
Publication of EP2930367A1 publication Critical patent/EP2930367A1/en
Publication of EP2930367A4 publication Critical patent/EP2930367A4/en
Application granted granted Critical
Publication of EP2930367B1 publication Critical patent/EP2930367B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • 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
    • 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
    • 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
    • F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted 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
EP14819908.6A 2013-07-05 2014-04-15 Pump blade for submerged pump and submerged pump having same Revoked EP2930367B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013141415A JP6351216B2 (en) 2013-07-05 2013-07-05 Pump blade for submersible pump and submersible pump equipped with the same
PCT/JP2014/060657 WO2015001830A1 (en) 2013-07-05 2014-04-15 Pump blade for submerged pump and submerged pump having same

Publications (3)

Publication Number Publication Date
EP2930367A1 EP2930367A1 (en) 2015-10-14
EP2930367A4 true EP2930367A4 (en) 2016-11-02
EP2930367B1 EP2930367B1 (en) 2020-05-27

Family

ID=52143424

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14819908.6A Revoked EP2930367B1 (en) 2013-07-05 2014-04-15 Pump blade for submerged pump and submerged pump having same

Country Status (7)

Country Link
US (1) US20160108927A1 (en)
EP (1) EP2930367B1 (en)
JP (1) JP6351216B2 (en)
CN (1) CN104662302B (en)
BR (1) BR112015009797B1 (en)
DK (1) DK2930367T3 (en)
WO (1) WO2015001830A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6351216B2 (en) 2013-07-05 2018-07-04 株式会社荏原製作所 Pump blade for submersible pump and submersible pump equipped with the same
CN105736391B (en) * 2016-02-18 2018-11-02 广州道动新能源有限公司 A kind of irrigation system of wind energy driving
KR101816766B1 (en) 2016-09-02 2018-01-09 이신구 Energy-saving pump
KR101712381B1 (en) * 2016-11-21 2017-03-16 고일영 Impeller for manhole pump
MX2019010836A (en) * 2019-09-12 2020-10-28 Antonio Ochoa Barraza Internal double turbine impeller.
RU2735971C1 (en) * 2020-02-25 2020-11-11 Игорь Олегович Стасюк Impeller of blade pump stage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02230999A (en) * 1988-09-14 1990-09-13 Flygt Ab Closed type impeller
JPH09209963A (en) * 1996-02-03 1997-08-12 Nakase Noriyuki Pump for carrying solid matter
US20120148393A1 (en) * 2010-12-14 2012-06-14 Delta Electronics, Inc. Centrifugal fan

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1975274A (en) * 1932-08-17 1934-10-02 Byron Jackson Co Centrifugal pump impeller
JPS52107605A (en) * 1976-03-05 1977-09-09 Hitachi Ltd Sewage pump
JPS5591797A (en) * 1978-12-29 1980-07-11 Ebara Corp Vortex type pump
DE3211230A1 (en) * 1982-03-26 1983-09-29 Paul Pleiger Maschinenfabrik, 5810 Witten centrifugal pump, especially for dirty water and effluent
US6405748B1 (en) 1999-03-22 2002-06-18 David Muhs Trailer and fuel tank assembly
JP2000297789A (en) 1999-04-14 2000-10-24 Tokyo Electric Power Co Inc:The Axial flow compressor
FI110275B (en) 2001-04-27 2002-12-31 Grundfos Management As Impeller for a pump
US6837684B2 (en) 2002-10-25 2005-01-04 Grundfos Management A/S Pump impeller
JP4713066B2 (en) 2003-07-18 2011-06-29 新明和工業株式会社 Impeller and sewage treatment pump equipped therewith
SE0402840L (en) * 2004-11-19 2006-04-11 Itt Mfg Enterprises Inc Impeller
EP1943169B1 (en) * 2005-10-12 2014-06-04 K-TRON Technologies, Inc. Bulk material pump feeder with compliant disks to reduce disk jamming
EP1795758A1 (en) 2005-12-09 2007-06-13 Grundfos Management A/S Impeller for a pump unit and pump unit
MX2007002934A (en) 2007-03-12 2008-09-17 Calidad Empresarial Dinamica Sa De Cv Highly effective centrifuge pump and method for designing the drive mechanism thereof.
CN201377436Y (en) * 2009-03-31 2010-01-06 长沙水泵厂有限公司 Structure for double-suction multistage horizontal split pump
CA2701515C (en) * 2009-04-24 2014-04-15 Syncrude Canada Ltd. Centrifugal pump having wear protected vanes
PL216284B1 (en) 2010-03-22 2014-03-31 Fundacja Rozwoju Kardiochirurgii Im Prof Zbigniewa Religi Single-jet centrifugal pump
KR101070136B1 (en) * 2011-02-22 2011-10-05 이재웅 Impeller including cylinder type vanes
JP2013141415A (en) 2012-01-06 2013-07-22 Ihi Corp Method and device for producing monosaccharide, and method and device for producing ethanol
JP6351216B2 (en) 2013-07-05 2018-07-04 株式会社荏原製作所 Pump blade for submersible pump and submersible pump equipped with the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02230999A (en) * 1988-09-14 1990-09-13 Flygt Ab Closed type impeller
JPH09209963A (en) * 1996-02-03 1997-08-12 Nakase Noriyuki Pump for carrying solid matter
US20120148393A1 (en) * 2010-12-14 2012-06-14 Delta Electronics, Inc. Centrifugal fan

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2015001830A1 *

Also Published As

Publication number Publication date
CN104662302A (en) 2015-05-27
EP2930367B1 (en) 2020-05-27
EP2930367A1 (en) 2015-10-14
US20160108927A1 (en) 2016-04-21
JP6351216B2 (en) 2018-07-04
JP2015014251A (en) 2015-01-22
BR112015009797A8 (en) 2017-08-01
WO2015001830A1 (en) 2015-01-08
CN104662302B (en) 2017-11-28
BR112015009797B1 (en) 2022-03-15
DK2930367T3 (en) 2020-06-29
BR112015009797A2 (en) 2017-07-11

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