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EP2778422A4 - PIT BASIN AND METHOD FOR THE PRODUCTION THEREOF - Google Patents

PIT BASIN AND METHOD FOR THE PRODUCTION THEREOF

Info

Publication number
EP2778422A4
EP2778422A4 EP12847327.9A EP12847327A EP2778422A4 EP 2778422 A4 EP2778422 A4 EP 2778422A4 EP 12847327 A EP12847327 A EP 12847327A EP 2778422 A4 EP2778422 A4 EP 2778422A4
Authority
EP
European Patent Office
Prior art keywords
production
basin
pit
pit basin
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Withdrawn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
EP12847327.9A
Other languages
German (de)
French (fr)
Other versions
EP2778422A1 (en
Inventor
Yasuhiro Inoue
Ichiro Harada
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.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP2778422A1 publication Critical patent/EP2778422A1/en
Publication of EP2778422A4 publication Critical patent/EP2778422A4/en
Withdrawn legal-status Critical Current

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
    • 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
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • 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
    • F04D29/4273—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps suction eyes
    • 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
    • F04D29/44—Fluid-guiding means, e.g. diffusers
    • F04D29/445—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps
    • F04D29/448—Fluid-guiding means, e.g. diffusers especially adapted for liquid pumps bladed diffusers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP12847327.9A 2011-11-10 2012-10-16 PIT BASIN AND METHOD FOR THE PRODUCTION THEREOF Withdrawn EP2778422A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011246613A JP5789487B2 (en) 2011-11-10 2011-11-10 Pit barrel type pump and its incorporation method
PCT/JP2012/076709 WO2013069418A1 (en) 2011-11-10 2012-10-16 Pit barrel pump and method for incorporating same

Publications (2)

Publication Number Publication Date
EP2778422A1 EP2778422A1 (en) 2014-09-17
EP2778422A4 true EP2778422A4 (en) 2015-11-04

Family

ID=48289802

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12847327.9A Withdrawn EP2778422A4 (en) 2011-11-10 2012-10-16 PIT BASIN AND METHOD FOR THE PRODUCTION THEREOF

Country Status (4)

Country Link
EP (1) EP2778422A4 (en)
JP (1) JP5789487B2 (en)
KR (1) KR101598165B1 (en)
WO (1) WO2013069418A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2914854B1 (en) 2012-11-05 2021-04-28 Fluid Handling LLC. Flow conditioning feature for suction diffuser
KR101506945B1 (en) 2014-05-12 2015-03-30 한국건설기술연구원 Vortex prevention apparatus
CN104500451A (en) * 2014-12-06 2015-04-08 无锡高卓流体设备有限公司 Guide vane body of submerged pump
JP6523097B2 (en) * 2015-08-06 2019-05-29 株式会社日立製作所 Vertical pump
WO2020231856A1 (en) * 2019-05-10 2020-11-19 Pyrotek, Inc. Overflow vortex transfer system with baffles
KR102725632B1 (en) * 2024-03-18 2024-11-06 해전산업 주식회사 Submersible motor pump with high-strength fiber-reinforced plastic flow path and discharge part

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422842A1 (en) * 1978-04-11 1979-11-09 Acec Barrel type centrifugal pump - has volute built into outlet duct to increase delivery pressure
JP2006299944A (en) * 2005-04-21 2006-11-02 Mitsubishi Heavy Ind Ltd Vertical pump
JP2007023938A (en) * 2005-07-19 2007-02-01 Ebara Corp Vertical shaft pump and pump station
KR20100040494A (en) * 2008-10-10 2010-04-20 주식회사 포스코 Seawater pump
JP2010190184A (en) * 2009-02-20 2010-09-02 Torishima Pump Mfg Co Ltd Suction vortex preventive member for pump

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55104799U (en) * 1979-01-18 1980-07-22
JPS56109697U (en) * 1980-01-25 1981-08-25
JPS56127381U (en) * 1980-02-28 1981-09-28
JPS608492A (en) * 1983-06-27 1985-01-17 Toshiba Corp Emergency core cooling pump
JPS6357899A (en) * 1986-08-28 1988-03-12 Mitsubishi Heavy Ind Ltd Vertical barrel pump
JPS63183397U (en) * 1987-05-13 1988-11-25
JPH07324700A (en) 1994-05-30 1995-12-12 Kubota Corp Vertical shaft barrel pit pump
JP2002005094A (en) * 2000-06-23 2002-01-09 Ebara Corp Unit-type suction bell-mouth
JP4117699B2 (en) 2000-06-23 2008-07-16 株式会社荏原製作所 Pump vortex prevention device
JP4074055B2 (en) 2000-11-16 2008-04-09 株式会社荏原製作所 Vertical shaft pump device
JP2006194100A (en) * 2005-01-11 2006-07-27 Torishima Pump Mfg Co Ltd Swirl prevention device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2422842A1 (en) * 1978-04-11 1979-11-09 Acec Barrel type centrifugal pump - has volute built into outlet duct to increase delivery pressure
JP2006299944A (en) * 2005-04-21 2006-11-02 Mitsubishi Heavy Ind Ltd Vertical pump
JP2007023938A (en) * 2005-07-19 2007-02-01 Ebara Corp Vertical shaft pump and pump station
KR20100040494A (en) * 2008-10-10 2010-04-20 주식회사 포스코 Seawater pump
JP2010190184A (en) * 2009-02-20 2010-09-02 Torishima Pump Mfg Co Ltd Suction vortex preventive member for pump

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013069418A1 *

Also Published As

Publication number Publication date
JP2013104308A (en) 2013-05-30
KR101598165B1 (en) 2016-02-26
JP5789487B2 (en) 2015-10-07
WO2013069418A1 (en) 2013-05-16
KR20140074999A (en) 2014-06-18
EP2778422A1 (en) 2014-09-17

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20140610

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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

DAX Request for extension of the european patent (deleted)
RA4 Supplementary search report drawn up and despatched (corrected)

Effective date: 20151001

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 29/42 20060101ALI20150925BHEP

Ipc: F04D 29/44 20060101ALI20150925BHEP

Ipc: F04D 13/08 20060101AFI20150925BHEP

STAA Information on the status of an ep patent application or granted ep patent

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Effective date: 20161109

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Effective date: 20170321