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US20160290338A1 - Water pump device - Google Patents

Water pump device Download PDF

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Publication number
US20160290338A1
US20160290338A1 US15/083,643 US201615083643A US2016290338A1 US 20160290338 A1 US20160290338 A1 US 20160290338A1 US 201615083643 A US201615083643 A US 201615083643A US 2016290338 A1 US2016290338 A1 US 2016290338A1
Authority
US
United States
Prior art keywords
magnetic
rotating member
disposed
water
magnetic poles
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.)
Abandoned
Application number
US15/083,643
Other languages
English (en)
Inventor
Sheng-Lian Lin
Yu-Ying Lin
Tung-Yi Lin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of US20160290338A1 publication Critical patent/US20160290338A1/en
Abandoned legal-status Critical Current

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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
    • F04D13/021—Units comprising pumps and their driving means containing a coupling
    • F04D13/024—Units comprising pumps and their driving means containing a coupling a magnetic coupling
    • F04D13/027—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal 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
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2216—Shape, geometry
    • 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
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • 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
    • F04D29/4293—Details of fluid inlet or outlet

Definitions

  • the present invention relates generally to a water pump, and more particular to a water pump with increased energy transfer efficiency.
  • Water pumps are common devices for domestic water supply systems.
  • a water pump includes a water inlet, a water outlet, a motor, and an impeller.
  • the major principle of a water pump is to rotate the impeller by the motor such that a water pressure difference is generated, and the water pressure at the water outlet is higher than the water pressure at the water inlet, water surrounding the water inlet will be sucked into the water pump and drained through the water outlet.
  • a water pump device includes a driving motor, a housing, a magnetic rotating member, and a magnetic impeller unit.
  • the driving motor including a rotating shaft extending outside the motor.
  • the housing is disposed on the driving motor, and includes an accommodation portion and a water drawing portion, the rotating shaft is disposed in the accommodation portion and extends outside the housing, and the water drawing portion has a water inlet and a water outlet.
  • the magnetic rotating member is disposed in the accommodation portion, while the rotating shaft is disposed in the magnetic rotating member.
  • the magnetic rotating member includes alternately arranged several first surfaces and second surfaces, and magnetic poles of the first surfaces are different from magnetic poles of the second surfaces.
  • the magnetic impeller unit is disposed opposite to top of the magnetic rotating member and located in the water drawing portion.
  • the magnetic impeller unit includes alternately arranged several third surfaces and fourth surfaces.
  • the magnetic poles of the third surfaces are different from magnetic poles of the fourth surfaces, wherein magnetic poles of the first surfaces are same to the magnetic poles of the third surfaces, while magnetic poles of the second surfaces are same to the magnetic poles of the fourth surfaces.
  • the magnetic impeller unit further includes a disk magnet, a hub, and several blades.
  • the disk magnet includes a bottom surface facing the magnetic rotating member and including the third surfaces and the forth surfaces.
  • Each of the blades is individually connected to the hub, and the blades are disposed radically from the hub.
  • the magnetic impeller unit further includes a cover body and at least a bump.
  • the cover body is disposed on the disk magnet and covering the blades, the cover body includes a first opening and at least a fixing hole, and a space and at least a second opening are defined between the cover body and the disk magnet, wherein the first opening is corresponding to the water inlet, while the second opening is corresponding to the water outlet.
  • the bump is disposed on one of the blades and penetrates through the fixing hole of the cover body.
  • the magnetic rotating member further includes a top surface opposite to the bottom surface the disk magnet, the top surface includes the first surfaces and the second surfaces, and the areas of the top surface and the bottom surface are almost the same to each other.
  • the magnetic rotating member includes a disk magnet which is round, rectangular, or polygon-shaped.
  • the magnetic impeller unit is disposed opposite to top of the magnetic rotating member, without any connecting member between them.
  • the magnetic rotating member includes alternately arranged a plurality of first surfaces and a plurality of second surfaces, and magnetic poles of the first surfaces are different from magnetic poles of the second surfaces.
  • the magnetic impeller unit includes alternately arranged a plurality of third surfaces and a plurality of fourth surfaces, and magnetic poles of the third surfaces are different from magnetic poles of the fourth surfaces.
  • FIG. 1 is a cross-sectional views of a water pump according to an embodiment of the invention.
  • FIG. 2 is a schematic view of the magnetic rotating member and the magnetic impeller unit shown in FIG. 1 , with illustration of their structures and the relative positions.
  • FIG. 1 is a cross-sectional view of a water pump according to an embodiment of the invention.
  • FIG. 2 is a schematic view of the magnetic rotating member and the magnetic impeller unit shown in FIG. 1 , with indication of their structures and the relative position of the two.
  • the water pump device 1 includes the driving motor 11 , the housing 12 , the magnetic rotating member 13 , and the magnetic impeller unit 14 .
  • the driving motor 11 includes the rotating shaft 111 extending outside the housing 12 .
  • the housing 12 is disposed on the driving motor 11 .
  • the housing 12 includes the accommodation portion 121 and the water drawing portion 122 .
  • the rotating shaft 111 of the driving motor 11 is disposed in the accommodation portion 121 .
  • the water drawing portion 122 has a water inlet 1221 and a water outlet 1222 .
  • the magnetic rotating member 13 is disposed within the accommodation portion 121 of the housing 12 , while the rotating shaft 111 of the driving motor 11 is disposed within and penetrates through the magnetic rotating member 13 . More specifically, the rotating shaft 11 is disposed and penetrates through the central portion of the magnetic rotating member 13 .
  • the magnetic rotating member 13 includes alternately arranged several first surfaces 131 and several second surfaces 132 , and magnetic poles of the first surfaces 131 are different from magnetic poles of the second surfaces 132 .
  • magnetic poles of the first surfaces 131 are N poles
  • magnetic poles of the second surfaces 132 are S poles.
  • the invention is not limited to this embodiment.
  • the magnetic impeller unit 14 is disposed opposite to top of the magnetic rotating member 13 and is located within the water drawing portion 122 .
  • the magnetic impeller unit 14 includes alternately arranged several third surfaces 141 and several fourth surfaces 142 , and magnetic poles of the third surfaces 141 are different from magnetic poles of the fourth surfaces 142 .
  • magnetic poles of the third surfaces 141 are N poles
  • magnetic poles of the forth surfaces 142 are S poles.
  • the invention is not limited to this embodiment.
  • magnetic poles of the first surfaces 131 are same to the magnetic poles of the third surfaces 141 (e.g. all are N poles)
  • magnetic poles of the second surfaces 132 are same to the magnetic poles of the fourth surfaces 142 (e.g. all are S poles).
  • FIG. 2 illustrates that the magnetic impeller unit 14 includes a component named disk magnet, which will be described in detailed later.
  • the magnetic rotating member 13 is, e.g., a round disk magnet, but it is not to limit the scope of the invention. In other embodiment, the magnetic rotating member 13 might be a rectangular or polygon-shaped disk magnet.
  • the first surfaces 131 and the second surfaces 132 of the magnetic rotating member 13 are respectively the surfaces of the first magnet units 133 and the second magnet units 134 , and there are four first surfaces 131 and four second surfaces 132 , respectively.
  • the third surfaces 141 and the fourth surfaces 142 of the magnetic impeller unit 14 are respectively the surfaces of the third magnet units 146 and the fourth magnet units 147 , and there are four third surfaces 141 and four fourth surfaces 142 , respectively.
  • the four first surfaces 131 , the four second surfaces 132 , the four third surfaces 133 , and the four fourth surfaces 134 are only an embodiment of the invention and it is not to limit the scope of the invention.
  • the number of the above-mentioned surfaces may be varied according to various practical needs.
  • the above-mentioned first magnet units 133 are connected with the second magnet units 134 , respectively, while the third magnet units 146 are connected with the fourth magnet units 147 , respectively.
  • the rotation of the magnetic impeller unit 14 will generate a pressure difference between the water inlet 1221 and the water outlet 1222 , such that the pressure at the water outlet 1222 is higher than the pressure at the water inlet 1221 , and thus the water flow will be drew from the water inlet 1221 and drained through the water outlet 1222 .
  • Such a driving manner will further enhance the energy conversion efficiency of the water pump 1 .
  • to provide driving force for the rotation of the magnetic impeller unit 14 with the attractive and repulsive forces generated continuously between the magnetic rotating member 13 and the magnetic impeller unit 14 will bring a better power-saving effect.
  • the magnetic impeller unit 14 further includes the disk magnet 143 , the hub 144 , and several blades 145 .
  • the disk magnet 143 has a bottom surface 1430 facing the magnetic rotating member 13 .
  • the bottom surface 1430 includes the third surfaces 141 and the forth surfaces 142 as shown in FIG. 2 .
  • the hub 144 is placed on the disk magnet 143 in a sleeve manner
  • each of the blades 145 is individually connected to the hub 144 , and the blades 145 are disposed radically from the hub 14 .
  • the blades 145 and the hub 144 may be formed integrally.
  • the above-mentioned details of this embodiment are not to limit the scope of the invention.
  • the magnetic impeller unit 14 further includes the cover body 148 and at least a bump 149 .
  • the cover body 148 is disposed on the disk magnet 143 and covers the blades 145 .
  • the cover body 148 has a first opening 1481 and at least a fixing hole 1480 .
  • a space S and at least a second opening 1482 are defined between the cover body 148 and the disk magnet 143 , wherein the first opening 1481 is corresponding to the water inlet 1221 , while the second opening 1482 is corresponding to the water outlet 1222 .
  • the bump 149 is disposed on one of the blades 145 . There are two bumps 149 in this embodiment, but it is not to limit the scope of the invention.
  • the bumps 149 is disposed opposite to the corresponding fixing holes 1480 disposed on the cover body 148 . When the cover body 148 is placed on the disk magnet 143 and covers the blades 145 , the bumps 149 will penetrate through the fixing holes 1480 of the cover body 148 , so as to fix the cover body 148 on the disk magnet 143 firmly.
  • the magnetic rotating member 13 further includes a top surface 130 .
  • the top surface 130 is opposite to the bottom surface 1430 of the disk magnet 143 , and the top surface 130 includes the above-mentioned first surfaces 131 and second surfaces 132 . It is noticeable that, in this embodiment, the areas of the top surface 130 of the magnetic rotating member and the bottom surface 1430 of the disk magnet 143 are almost the same to each other, but it is not to limit the scope of the invention. In other embodiments, the area of the top surface 130 of the magnetic rotating member is, e.g. smaller than the area of the bottom surface 1430 of the disk magnet 143 .
  • the magnetic impeller unit is disposed opposite to top of the magnetic rotating member, without any connecting member between them.
  • the magnetic rotating member includes alternately arranged a plurality of first surfaces and a plurality of second surfaces, and magnetic poles of the first surfaces are different from magnetic poles of the second surfaces.
  • the magnetic impeller unit includes alternately arranged a plurality of third surfaces and a plurality of fourth surfaces, and magnetic poles of the third surfaces are different from magnetic poles of the fourth surfaces.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
US15/083,643 2015-03-30 2016-03-29 Water pump device Abandoned US20160290338A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW104110317A TW201634817A (zh) 2015-03-30 2015-03-30 抽水馬達裝置
TW104110317 2015-03-30

Publications (1)

Publication Number Publication Date
US20160290338A1 true US20160290338A1 (en) 2016-10-06

Family

ID=56937300

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/083,643 Abandoned US20160290338A1 (en) 2015-03-30 2016-03-29 Water pump device

Country Status (4)

Country Link
US (1) US20160290338A1 (zh)
JP (1) JP6177956B2 (zh)
DE (1) DE102016105763A1 (zh)
TW (1) TW201634817A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114165459A (zh) * 2021-11-30 2022-03-11 佛山市顺德区美的饮水机制造有限公司 水泵、蓄冷水箱及饮水设备

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190617A (en) * 1978-08-07 1980-02-26 Hope Henry F Mixing pump system
US5112202A (en) * 1990-01-31 1992-05-12 Ntn Corporation Turbo pump with magnetically supported impeller
US5947703A (en) * 1996-01-31 1999-09-07 Ntn Corporation Centrifugal blood pump assembly
US20010016170A1 (en) * 1999-12-27 2001-08-23 Ntn Corporation Magnetically levitated pump
US20010053330A1 (en) * 2000-06-20 2001-12-20 Ntn Corporation Magnetically levitated pump apparatus
US20050287022A1 (en) * 2004-03-24 2005-12-29 Terumo Kabushiki Kaisha Blood pump apparatus
US20100158725A1 (en) * 2008-12-19 2010-06-24 Michael John Werson Rotary pump with a fixed shaft
US20110002794A1 (en) * 2009-07-06 2011-01-06 Levitronix Gmbh Centrifugal pump and method for compensating the axial thrust in a centrifugal pump
US20130064695A1 (en) * 2010-05-19 2013-03-14 Amotech Co., Ltd. Fluid pump having waterproof structure
US20130171011A1 (en) * 2011-12-30 2013-07-04 Peopleflo Manufacturing, Inc. Rotodynamic Pump With Permanent Magnet Coupling Inside The Impeller
US20140064987A1 (en) * 2012-08-27 2014-03-06 Ecotech Marine, Llc Electromagnetic circulation pump
US20140205467A1 (en) * 2013-01-24 2014-07-24 Thoratec Corporation Impeller position compensation using field oriented control
US8961154B2 (en) * 2009-11-19 2015-02-24 Hyundai Motor Company Electric water pump

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10318180A (ja) * 1997-03-19 1998-12-02 Sankyo Seiki Mfg Co Ltd 自吸式ポンプ
JP3958402B2 (ja) * 1997-04-03 2007-08-15 日本電産シバウラ株式会社 ポンプ
JPH1150992A (ja) * 1997-07-30 1999-02-23 Shibaura Eng Works Co Ltd ヒューガルポンプ
JP2005330957A (ja) * 2004-04-21 2005-12-02 Dengyosha Oridea:Kk 汚水圧送ポンプ
TWI264989B (en) * 2005-02-25 2006-10-21 Delta Electronics Inc Liquid-cooling type heat-dissipation module
JP2012154339A (ja) * 2012-04-06 2012-08-16 Kawamoto Pump Mfg Co Ltd インペラの製造方法

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4190617A (en) * 1978-08-07 1980-02-26 Hope Henry F Mixing pump system
US5112202A (en) * 1990-01-31 1992-05-12 Ntn Corporation Turbo pump with magnetically supported impeller
US5947703A (en) * 1996-01-31 1999-09-07 Ntn Corporation Centrifugal blood pump assembly
US20010016170A1 (en) * 1999-12-27 2001-08-23 Ntn Corporation Magnetically levitated pump
US20010053330A1 (en) * 2000-06-20 2001-12-20 Ntn Corporation Magnetically levitated pump apparatus
US20050287022A1 (en) * 2004-03-24 2005-12-29 Terumo Kabushiki Kaisha Blood pump apparatus
US20100158725A1 (en) * 2008-12-19 2010-06-24 Michael John Werson Rotary pump with a fixed shaft
US20110002794A1 (en) * 2009-07-06 2011-01-06 Levitronix Gmbh Centrifugal pump and method for compensating the axial thrust in a centrifugal pump
US8961154B2 (en) * 2009-11-19 2015-02-24 Hyundai Motor Company Electric water pump
US20130064695A1 (en) * 2010-05-19 2013-03-14 Amotech Co., Ltd. Fluid pump having waterproof structure
US20130171011A1 (en) * 2011-12-30 2013-07-04 Peopleflo Manufacturing, Inc. Rotodynamic Pump With Permanent Magnet Coupling Inside The Impeller
US20140064987A1 (en) * 2012-08-27 2014-03-06 Ecotech Marine, Llc Electromagnetic circulation pump
US20140205467A1 (en) * 2013-01-24 2014-07-24 Thoratec Corporation Impeller position compensation using field oriented control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114165459A (zh) * 2021-11-30 2022-03-11 佛山市顺德区美的饮水机制造有限公司 水泵、蓄冷水箱及饮水设备

Also Published As

Publication number Publication date
DE102016105763A1 (de) 2016-10-06
JP2016191380A (ja) 2016-11-10
TW201634817A (zh) 2016-10-01
JP6177956B2 (ja) 2017-08-09

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