EP3374642A1 - Pompe à liquide axiale électrique pour véhicule automobile - Google Patents

Pompe à liquide axiale électrique pour véhicule automobile

Info

Publication number
EP3374642A1
EP3374642A1 EP15794532.0A EP15794532A EP3374642A1 EP 3374642 A1 EP3374642 A1 EP 3374642A1 EP 15794532 A EP15794532 A EP 15794532A EP 3374642 A1 EP3374642 A1 EP 3374642A1
Authority
EP
European Patent Office
Prior art keywords
axial
rotor body
electric vehicle
rotor
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
EP15794532.0A
Other languages
German (de)
English (en)
Other versions
EP3374642B1 (fr
Inventor
Robin Wegener
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.)
Pierburg Pump Technology GmbH
Original Assignee
Pierburg Pump Technology GmbH
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 Pierburg Pump Technology GmbH filed Critical Pierburg Pump Technology GmbH
Publication of EP3374642A1 publication Critical patent/EP3374642A1/fr
Application granted granted Critical
Publication of EP3374642B1 publication Critical patent/EP3374642B1/fr
Active 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
    • 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
    • F04D13/0626—Details of the can
    • 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
    • F04D13/064—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
    • 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
    • F04D13/0646—Units comprising pumps and their driving means the pump being electrically driven the hollow pump or motor shaft being the conduit for the working fluid
    • 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
    • F04D29/181—Axial flow rotors
    • 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
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/528—Casings; Connections of working fluid for axial 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
    • F04D3/00—Axial-flow pumps

Definitions

  • the present invention relates to an electric vehicle axial fluid pump which is designed as an internal rotor.
  • the vehicular axial electric liquid electrolytic pump includes a pump housing that forms an axial inlet port and an axial outlet port for introducing and discharging the fluid, and an electric motor that drives an impeller.
  • the object of the present invention is to provide an electric vehicle Axial- liquid pump, which is simpler in construction and therefore more economical to produce.
  • the electric motor has a split tube disposed radially inside the at least one stator coil.
  • the split tube separates a working space in which the liquid to be conveyed is located from an electronics compartment.
  • the split tube can be part of a pump housing.
  • a rotor body is rotatably arranged, which has at least one blade and which promotes the liquid from an inlet opening of the electric vehicle Axial-Flüssigkeltspumpe to an outlet.
  • the rotor body is permanently magnetically formed.
  • the rotor body is thus rotor and impeller in a single component.
  • the rotor body is integrally formed.
  • the motor stator which has the stator coils, at least partially embedded in a plastic spritzkör by which forms the can.
  • the can is according to this embodiment formed radially inside the stator coils.
  • a plain bearing in the context of the present invention, the arrangement of rotor body and can with a liquid-filled gap between the outer peripheral surface of the rotor body and the inner circumferential surface of the can is understood.
  • the sliding bearing is cylindrical and stepped formed over the entire axial length of the rotor body.
  • Such a plain bearing has the advantage that it is easy to produce. In addition, the installation of such a sliding bearing is simplified.
  • the rotor body comprises plastic-bonded permanent magnet particles.
  • These permanent magnet particles are particularly preferably neodymium particles and / or ferrite particles.
  • Such rotor bodies can be produced particularly inexpensively, so that the cost-effectiveness of a corresponding electric vehicle axial-fluid pump can be increased.
  • such a rotor body has a lower moment of inertia than a solid metal rotor, so that the efficiency of the electric vehicle axial fluid pump is improved.
  • the rotor body is alternatively made of plastic, are embedded in the rotor laminations with permanent magnets. A rotor body produced in this way has the advantage that it is conventionally produced and is therefore inexpensive.
  • the rotor is designed such that it has a plurality of blades and more preferably seven blades.
  • the number of blades can thus be selected depending on the required hydraulic power of the pump.
  • the figure shows: an electric vehicle axial-fluid pump in perspective longitudinal section according to the present invention.
  • the figure shows an electric vehicle axial-fluid pump 10 according to the present invention, the drive motor is designed as an internal rotor.
  • the electric vehicle axial-fluid pump 10 comprises a two-part pump housing 12, which has an axial inlet opening 14 for the admission of liquid into the electrical motor vehicle axial Liquid pump 10 forms. At an axially opposite to the inlet opening 14 longitudinal end of the pump housing 12, this forms an axial outlet opening 16 for discharging the liquid from the electric vehicle Axlal-Flüssiglgkeltspumpe 10.
  • the electric vehicle axial-fluid pump 10 further comprises an electric motor 17 as a drive motor, which is provided in the pump housing 12.
  • the electric motor 17 comprises a motor stator 18 which is located inside the pump housing 12 and radially outside.
  • the motor stator 18 has a yoke body 19 and stator coils 20. The energization of the stator coils 20 is controlled by a provided on an outlet end and radially outer electronics unit 21st
  • the return body 19 of the motor stator 18 is embedded in a plastic molded body, so that the plastic injection body forms a can 22.
  • the split tube 22 is sealingly attached to the pump housing 12 by means of an inlet-side annular seal 24 and an outlet-side annular seal 26 and fluidly separates a working chamber 28, in which the liquid to be conveyed is located, from an electronics compartment 30.
  • a rotor body 32 of the electric motor 17 designed as an axial impeller, which conveys the liquid along an axis of rotation 33 of the rotor body 32 from the inlet opening 14 to the outlet opening 16.
  • the rotor body 32 is formed by a hollow cylinder 34 and seven provided within the hollow cylinder 34 and extending in the axial direction blades 36th LIST OF REFERENCE NUMBERS

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)

Abstract

L'invention concerne une pompe à liquide axiale électrique (10) pour véhicule automobile, qui est conçue sous la forme d'un rotor intérieur. La pompe à liquide axiale électrique (10) pour véhicule automobile comprend un carter de pompe (12) qui forme une ouverture d'entrée axiale (14) et une ouverture de sortie axiale (16) pour l'entrée et la sortie du liquide, et un moteur électrique (17) qui est placé dans le carter de pompe (12). Le moteur électrique (17) présente un stator de moteur (18) muni d'au moins une bobine statorique extérieure (20), une gaine (22) qui est réalisée radialement à l'intérieur de la bobine statorique (20), et un corps de rotor (32) réalisé sous la forme d'une roue à palettes axiale. Le corps de rotor (32) est agencé rotatif à l'intérieur de la gaine (22) et présente au moins un aubage (36) qui refoule le liquide le long de l'axe de rotation (33) du corps de rotor (32) à partir de l'ouverture d'entrée (14) vers l'ouverture de sortie (16). Le corps de rotor (32) est de conception à aimant permanent.
EP15794532.0A 2015-11-10 2015-11-10 Pompe à liquide axiale électrique pour véhicule automobile Active EP3374642B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/076243 WO2017080591A1 (fr) 2015-11-10 2015-11-10 Pompe à liquide axiale électrique pour véhicule automobile

Publications (2)

Publication Number Publication Date
EP3374642A1 true EP3374642A1 (fr) 2018-09-19
EP3374642B1 EP3374642B1 (fr) 2022-03-02

Family

ID=54542243

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15794532.0A Active EP3374642B1 (fr) 2015-11-10 2015-11-10 Pompe à liquide axiale électrique pour véhicule automobile

Country Status (5)

Country Link
US (1) US10941781B2 (fr)
EP (1) EP3374642B1 (fr)
JP (1) JP7309361B2 (fr)
CN (1) CN108350885A (fr)
WO (1) WO2017080591A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3071283B1 (fr) * 2017-09-21 2022-07-29 Fineheart Pompe cardiaque equipee d'une turbine a pales internes
CN108105115A (zh) * 2018-01-04 2018-06-01 龚静 Dc轴流水泵
US11255339B2 (en) * 2018-08-28 2022-02-22 Honeywell International Inc. Fan structure having integrated rotor impeller, and methods of producing the same
EP3961884A4 (fr) 2019-04-24 2023-05-10 Kyushu University, National University Corporation Machine tournante à induction supraconductrice, et système de génération de force d'entraînement supraconductrice utilisant ladite machine tournante à induction supraconductrice
CN110185628B (zh) * 2019-05-30 2021-07-20 山东潍氢动力科技有限公司 多介质输送泵
CN110131180A (zh) * 2019-07-02 2019-08-16 戴胜电器有限公司 一种中空轴永磁电机泵
CN112855561A (zh) * 2019-11-27 2021-05-28 北汽福田汽车股份有限公司 贯流式水泵、车辆热管理系统及车辆
CN111946533B (zh) * 2020-08-07 2022-07-08 武汉理工大学 无轴式传动的水力发电机
CN114382705A (zh) * 2022-01-13 2022-04-22 古飞 一种水机分离式增压泵
CN116641900B (zh) * 2023-07-21 2024-01-02 威晟汽车科技(宁波)有限公司 一种轴流式电子水泵以及制造工艺

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002138986A (ja) * 2000-11-07 2002-05-17 Ebara Corp モータポンプ

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US4185215A (en) * 1978-05-11 1980-01-22 General Scanning, Inc. Permanent magnet synchronous motor
GB2042279A (en) 1979-02-13 1980-09-17 Satchwell Controls Ltd Electric Pump
AT373743B (de) * 1981-05-21 1984-02-10 Philips Nv Selbstanlaufender zweipoliger einphasensynchronmotor
DE69229964T2 (de) * 1992-10-19 2000-01-27 The Cleveland Clinic Foundation, Cleveland Unversiegelte rotodynamische pumpe
US6053705A (en) 1996-09-10 2000-04-25 Sulzer Electronics Ag Rotary pump and process to operate it
DE20202027U1 (de) 2002-02-11 2002-04-18 Webasto Thermosysteme International GmbH, 82131 Stockdorf Elektrisch angetriebene Pumpenanordnung
DE10251461A1 (de) * 2002-11-05 2004-05-13 BSH Bosch und Siemens Hausgeräte GmbH Elektrisch angetriebene Pumpe
US7052253B2 (en) 2003-05-19 2006-05-30 Advanced Bionics, Inc. Seal and bearing-free fluid pump incorporating a passively suspended self-positioning impeller
US20040241019A1 (en) * 2003-05-28 2004-12-02 Michael Goldowsky Passive non-contacting smart bearing suspension for turbo blood-pumps
US7021905B2 (en) * 2003-06-25 2006-04-04 Advanced Energy Conversion, Llc Fluid pump/generator with integrated motor and related stator and rotor and method of pumping fluid
US8419609B2 (en) * 2005-10-05 2013-04-16 Heartware Inc. Impeller for a rotary ventricular assist device
JP2008190475A (ja) 2007-02-07 2008-08-21 Jtekt Corp 軸流ポンプ
JP4909111B2 (ja) 2007-02-14 2012-04-04 株式会社日立産機システム ファンシステム
JP2009270512A (ja) 2008-05-08 2009-11-19 Nippo Ltd ラインポンプ
EP2730785B1 (fr) * 2012-11-07 2018-07-25 Pierburg Pump Technology GmbH Pompe à liquide électrique d'automobile
DE202012010653U1 (de) * 2012-11-07 2012-11-26 Winter.pumpen GmbH Pumpe zur Förderung von Medien

Patent Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2002138986A (ja) * 2000-11-07 2002-05-17 Ebara Corp モータポンプ

Also Published As

Publication number Publication date
WO2017080591A1 (fr) 2017-05-18
US10941781B2 (en) 2021-03-09
CN108350885A (zh) 2018-07-31
EP3374642B1 (fr) 2022-03-02
JP7309361B2 (ja) 2023-07-18
JP2018534473A (ja) 2018-11-22
US20180313354A1 (en) 2018-11-01

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