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EP2725234A4 - Single-phase permanent magnet rotor electric water pump only rotating in right direction and its realization method - Google Patents

Single-phase permanent magnet rotor electric water pump only rotating in right direction and its realization method

Info

Publication number
EP2725234A4
EP2725234A4 EP11868083.4A EP11868083A EP2725234A4 EP 2725234 A4 EP2725234 A4 EP 2725234A4 EP 11868083 A EP11868083 A EP 11868083A EP 2725234 A4 EP2725234 A4 EP 2725234A4
Authority
EP
European Patent Office
Prior art keywords
rotating
permanent magnet
water pump
right direction
electric water
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Withdrawn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
EP11868083.4A
Other languages
German (de)
French (fr)
Other versions
EP2725234A1 (en
Inventor
Wang Wu
Xiaoquan Zeng
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.)
Shenzhen Xingrisheng Ind Co Ltd
Original Assignee
Shenzhen Xingrisheng Ind Co 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 Shenzhen Xingrisheng Ind Co Ltd filed Critical Shenzhen Xingrisheng Ind Co Ltd
Publication of EP2725234A1 publication Critical patent/EP2725234A1/en
Publication of EP2725234A4 publication Critical patent/EP2725234A4/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Withdrawn legal-status Critical Current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
    • 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
    • F04D13/0606—Canned motor 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
    • 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
    • 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
    • F04D15/0077—Safety measures
    • 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
    • F04D29/40—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP11868083.4A 2011-06-22 2011-06-22 Single-phase permanent magnet rotor electric water pump only rotating in right direction and its realization method Withdrawn EP2725234A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/076159 WO2012174718A1 (en) 2011-06-22 2011-06-22 Single-phase permanent magnet rotor electric water pump only rotating in right direction and its realization method

Publications (2)

Publication Number Publication Date
EP2725234A1 EP2725234A1 (en) 2014-04-30
EP2725234A4 true EP2725234A4 (en) 2015-04-01

Family

ID=47421984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11868083.4A Withdrawn EP2725234A4 (en) 2011-06-22 2011-06-22 Single-phase permanent magnet rotor electric water pump only rotating in right direction and its realization method

Country Status (3)

Country Link
US (1) US20140127040A1 (en)
EP (1) EP2725234A4 (en)
WO (1) WO2012174718A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109185230A (en) * 2018-11-14 2019-01-11 南京腾图节能科技有限公司 A kind of device reducing water pump operation noise

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573489A1 (en) * 1984-11-22 1986-05-23 Rena Electrical pump for liquids
EP0383464A2 (en) * 1989-02-16 1990-08-22 Hozelock Limited Pumps
US5711657A (en) * 1994-07-15 1998-01-27 Oase-Pumpen Wuebker Soehne Gmbh & Co. Maschinenfabrik Centrifugal pump, particularly for fountains
WO2002004816A1 (en) * 2000-07-06 2002-01-17 Askoll Holding S.R.L. Monodirectional impeller for centrifugal electric pumps having a permanent-magnet synchronous motor
CN100363627C (en) * 2004-11-17 2008-01-23 深圳市兴日生实业有限公司 An electric water pump that automatically rotates in the correct direction

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1259115B (en) 1992-06-17 1996-03-11 Askoll Spa ELECTRONIC DEVICE FOR STARTING A SYNCHRONOUS MOTOR WITH PERMANENT MAGNET ROTOR
GB2353330B (en) * 1999-08-04 2003-05-28 Pet Mate Ltd Pond pump
US6719525B2 (en) * 2001-12-20 2004-04-13 Chi-Der Chen Submerged motor vane wheel rotation direction control structure
EP1640617A3 (en) * 2004-09-24 2012-08-08 Shenzhen Xing Risheng Industrial Co., Ltd. Free vortex pump
ES2374820T3 (en) * 2005-08-30 2012-02-22 Askoll Holding S.R.L. SINGLE-PHASE SYNCHRONOUS ELECTRIC MOTOR OF PERMANENT MAGNETS WITH IMPROVED STATOR STRUCTURE, IN PARTICULAR FOR DISCHARGE PUMPS OF WASHING MACHINES AND SIMILAR APPLIANCES.
CN100561855C (en) * 2007-11-13 2009-11-18 广东博宇水族实业有限公司 A kind of pumping method and device that adopts alternating current power supply to driving permanent magnet motor submersible pump

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2573489A1 (en) * 1984-11-22 1986-05-23 Rena Electrical pump for liquids
EP0383464A2 (en) * 1989-02-16 1990-08-22 Hozelock Limited Pumps
US5711657A (en) * 1994-07-15 1998-01-27 Oase-Pumpen Wuebker Soehne Gmbh & Co. Maschinenfabrik Centrifugal pump, particularly for fountains
WO2002004816A1 (en) * 2000-07-06 2002-01-17 Askoll Holding S.R.L. Monodirectional impeller for centrifugal electric pumps having a permanent-magnet synchronous motor
CN100363627C (en) * 2004-11-17 2008-01-23 深圳市兴日生实业有限公司 An electric water pump that automatically rotates in the correct direction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012174718A1 *

Also Published As

Publication number Publication date
US20140127040A1 (en) 2014-05-08
EP2725234A1 (en) 2014-04-30
WO2012174718A1 (en) 2012-12-27

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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: 20131221

AK Designated contracting states

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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: 20150304

RIC1 Information provided on ipc code assigned before grant

Ipc: F04D 13/06 20060101ALI20150226BHEP

Ipc: F04D 29/42 20060101AFI20150226BHEP

Ipc: F04D 15/00 20060101ALI20150226BHEP

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: 20180103