EP2990652A4 - Pump device - Google Patents

Pump device

Info

Publication number
EP2990652A4
EP2990652A4 EP14788422.5A EP14788422A EP2990652A4 EP 2990652 A4 EP2990652 A4 EP 2990652A4 EP 14788422 A EP14788422 A EP 14788422A EP 2990652 A4 EP2990652 A4 EP 2990652A4
Authority
EP
European Patent Office
Prior art keywords
pump device
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.)
Withdrawn
Application number
EP14788422.5A
Other languages
German (de)
French (fr)
Other versions
EP2990652A1 (en
Inventor
Ryotaro Karaki
Nobuhiro Higaki
Yosuke Harada
Sachiko Miyauchi
Yasutaka Konishi
Kazuhiro Kaneda
Tomoharu Tejima
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
Priority claimed from JP2013094552A external-priority patent/JP6133672B2/en
Priority claimed from JP2013095808A external-priority patent/JP6133676B2/en
Application filed by Ebara Corp filed Critical Ebara Corp
Publication of EP2990652A1 publication Critical patent/EP2990652A1/en
Publication of EP2990652A4 publication Critical patent/EP2990652A4/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Withdrawn legal-status Critical Current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
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/029—Stopping of pumps, or operating valves, on occurrence of unwanted conditions for pumps operating in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
EP14788422.5A 2013-04-26 2014-04-22 Pump device Withdrawn EP2990652A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2013094552A JP6133672B2 (en) 2013-04-26 2013-04-26 Pump device
JP2013095808A JP6133676B2 (en) 2013-04-30 2013-04-30 Pump device
PCT/JP2014/061247 WO2014175248A1 (en) 2013-04-26 2014-04-22 Pump device

Publications (2)

Publication Number Publication Date
EP2990652A1 EP2990652A1 (en) 2016-03-02
EP2990652A4 true EP2990652A4 (en) 2016-12-28

Family

ID=51791820

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14788422.5A Withdrawn EP2990652A4 (en) 2013-04-26 2014-04-22 Pump device

Country Status (4)

Country Link
EP (1) EP2990652A4 (en)
KR (1) KR20160002957A (en)
CN (1) CN105121858B (en)
WO (1) WO2014175248A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3156656B1 (en) 2015-10-16 2020-03-25 Grundfos Holding A/S Pump control method and pressure increasing device
US10566881B2 (en) 2017-01-27 2020-02-18 Franklin Electric Co., Inc. Motor drive system including removable bypass circuit and/or cooling features
EP3422122B1 (en) * 2017-06-29 2022-09-28 Grundfos Holding A/S Model formation module for creating a model for controlling a pressure regulating system of a water supply network

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09119377A (en) * 1996-08-23 1997-05-06 Hitachi Ltd Water supply device for water system and method for operating pump thereof
JPH10318181A (en) * 1998-04-17 1998-12-02 Hitachi Ltd Automatic water supply device and method of controlling pump therefor
US20100076658A1 (en) * 2008-09-23 2010-03-25 Shih-Chieh Liao Method for controlling constant-pressure fluid
JP2011027118A (en) * 2004-12-03 2011-02-10 Ebara Corp Method for starting water supply device
JP2012101136A (en) * 2012-02-13 2012-05-31 Ebara Corp Fire pump system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61261696A (en) * 1985-05-15 1986-11-19 Hitachi Ltd Automatic pump device
JP3425269B2 (en) * 1995-04-04 2003-07-14 株式会社荏原製作所 Variable speed water supply
JP2000018167A (en) * 1998-07-03 2000-01-18 Teral Kyokuto Inc Pump starter controller of water supply system
JP2005194970A (en) * 2004-01-09 2005-07-21 Teral Kyokuto Inc Method and device for controlling delivery pressure of pump
US7901190B2 (en) * 2004-07-28 2011-03-08 Ian Gray Pump control system
CN200979664Y (en) * 2006-11-13 2007-11-21 长沙怡能电子科技有限公司 An intelligent electricity-saving control system for blast and pump
JP5172245B2 (en) * 2007-08-22 2013-03-27 株式会社日立産機システム Water supply equipment
CN201209568Y (en) * 2008-04-22 2009-03-18 广州智光电机有限公司 Energy-conserving high-efficiency operation control system for header pumps
JP5914365B2 (en) 2011-01-21 2016-05-11 株式会社荏原製作所 Water supply equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09119377A (en) * 1996-08-23 1997-05-06 Hitachi Ltd Water supply device for water system and method for operating pump thereof
JPH10318181A (en) * 1998-04-17 1998-12-02 Hitachi Ltd Automatic water supply device and method of controlling pump therefor
JP2011027118A (en) * 2004-12-03 2011-02-10 Ebara Corp Method for starting water supply device
US20100076658A1 (en) * 2008-09-23 2010-03-25 Shih-Chieh Liao Method for controlling constant-pressure fluid
JP2012101136A (en) * 2012-02-13 2012-05-31 Ebara Corp Fire pump system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014175248A1 *

Also Published As

Publication number Publication date
KR20160002957A (en) 2016-01-08
WO2014175248A1 (en) 2014-10-30
CN105121858A (en) 2015-12-02
CN105121858B (en) 2017-03-08
EP2990652A1 (en) 2016-03-02

Similar Documents

Publication Publication Date Title
PL3008346T3 (en) Pump
EP2947319A4 (en) Pump device
ZA201508073B (en) Pump arrangement
PL2964958T3 (en) Pumps
EP3026270A4 (en) Pump device
ZA201508250B (en) Pump arrangement
GB2512095B (en) Pump
EP3056733C0 (en) Pump
ZA201508072B (en) Pump arrangement
EP2988582A4 (en) Substrate-clamp device
GB201317499D0 (en) Naso-Oral Device
EP2878816A4 (en) Pump control device
GB201314474D0 (en) MOS-Bipolar device
EP2947000A4 (en) Airship-mooring device
EP2980415A4 (en) Pump
GB201315649D0 (en) Device
GB201310610D0 (en) Object-handling device
GB201303718D0 (en) Device
EP2990652A4 (en) Pump device
SG11201508898SA (en) Pump arrangement
GB201311172D0 (en) Pump
GB201315508D0 (en) State-changeable device
GB201312493D0 (en) Stopperr device
GB201307466D0 (en) Device
PL3014127T3 (en) Pump device

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

17P Request for examination filed

Effective date: 20151123

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

AX Request for extension of the european patent

Extension state: BA ME

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20161124

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 15/00 20060101AFI20161118BHEP

Ipc: F04D 15/02 20060101ALI20161118BHEP

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 15/02 20060101ALI20190507BHEP

Ipc: F04D 15/00 20060101AFI20190507BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20190628

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

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20191109