EP3289221A1 - Pompe à fluide - Google Patents

Pompe à fluide

Info

Publication number
EP3289221A1
EP3289221A1 EP16719085.9A EP16719085A EP3289221A1 EP 3289221 A1 EP3289221 A1 EP 3289221A1 EP 16719085 A EP16719085 A EP 16719085A EP 3289221 A1 EP3289221 A1 EP 3289221A1
Authority
EP
European Patent Office
Prior art keywords
rotor
pump
stator
combination
axis
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
EP16719085.9A
Other languages
German (de)
English (en)
Other versions
EP3289221B1 (fr
Inventor
Nils BORNEMANN
Stefan TILLER
Antonio Casellas
Ümit Aydin
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.)
GKN Powder Metallurgy Engineering GmbH
Original Assignee
GKN Sinter Metals Engineering 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 GKN Sinter Metals Engineering GmbH filed Critical GKN Sinter Metals Engineering GmbH
Publication of EP3289221A1 publication Critical patent/EP3289221A1/fr
Application granted granted Critical
Publication of EP3289221B1 publication Critical patent/EP3289221B1/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
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
    • F04C15/0057—Driving elements, brakes, couplings, transmission specially adapted for machines or pumps
    • F04C15/008—Prime movers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/40—Electric motor

Definitions

  • the present invention relates to a fluid pump which is driven by an electric motor, wherein a pump rotor is coupled to the electric motor.
  • WO 2006/021616 A1 discloses an electric machine with an axial electric motor. Between two laterally arranged stators, a rotor of the electric machine is arranged, which has guide elements along its circumference, which are embedded in a non-ferromagnetic material of the rotor.
  • Object of the present invention is to provide a particularly dense fluid machine available that can safely transport different media, especially aggressive media.
  • Housing are housed, in which the pump rotor and the electric motor rotor disc-like integrally rotates as a combination rotor, wherein the common housing a Fluidzu- and a fluid drain to the
  • Combination rotor has.
  • a pump chamber and magnets of the electric motor aligned axially with respect to the axis of rotation are arranged. This allows the formation of field lines in the axial direction, so that a torque can be impressed on the combination rotor.
  • An embodiment provides that in the combination rotor a plurality of axially aligned magnets are distributed along a circumference of the combination rotor.
  • the magnets may in this case be arranged close to an outer circumference or also close to an inner circumference of the combination rotor.
  • soft magnetic elements can also be used. Therefore, in the following discussion of magnets, the relevant statements also apply to the use of soft magnetic elements, such as those used in a reluctance motor.
  • the magnets or soft magnetic elements may have different geometries. They can be shaped as cylindrical discs, as pie-shaped sections or in any other geometry. Also, these can be a closed ring which forms part of the combination rotor.
  • At least one stator of the electric motor is arranged frontally to the combination rotor, wherein the rotor axis of rotation aligned axially parallel cores of the stator at least in part
  • a multiplicity of cores preferably at least five cores, are arranged distributed axially around the circumference. It is preferred that a first stator of the Axialhnemotors the
  • Axial letmotors frame the combination rotor at a first end face opposite the second end face of the common housing. This allows on the one hand a particularly compact design. On the other hand, this also allows the generation of a stronger torque.
  • a further development provides that cores of the first stator and the second stator are exactly opposite each other axially parallel to the rotor axis of rotation.
  • This arrangement has, for example, the advantage of direct amplification of the respective acting electromagnetic forces.
  • an embodiment provides that cores of the first stator and the second stator offset from each other are axially parallel to the rotor axis of rotation. In this way, for example, wider axially distributed around the circumference field lines can be generated.
  • the common housing at least in one area comprising an amagnetic material between the rotating combination rotor and the cores of the stator.
  • a pump chamber is closed in the common housing and a fluid supply and / or a fluid outlet to the pump chamber preferably takes place axially along the axis of rotation, in particular preferably takes place by the electric motor.
  • the combination rotor a For example, it can be provided that the combination rotor a
  • the combination rotor and the pump wheel can have the same axis of rotation or use different axes of rotation arranged parallel to one another.
  • a further embodiment provides in turn that a first and a second end of the shaft or the axis of rotation of the combination rotor each terminate in the common housing.
  • the common housing only static seals on the other hand, however, no seal due to a relative movement between a fixed part of the common housing and an outwardly guided, to moving component. Rather, can be dispensed with a relative to the common housing movable component such as a shaft.
  • an axis for the combination rotor can be guided out of the common housing at least on one side. If an aggressive fluid to be promoted by means of the fluid pump, for example, the waiver of a dynamically stressed seal allows a longer life of the fluid pump.
  • Combination rotor can be arranged.
  • a development of the method provides that the cores of the stator off a soft magnetic material are pressed and produced.
  • the common housing is also produced by means of a pot-shaped first component and a side cover to be fastened thereto as a second component.
  • a bearing for a shaft of the combination rotor may be provided in a bottom of the first component, the counterpart of which is arranged, for example, in the side cover.
  • axial bearings but also axial / radial bearings can be used, in particular rolling bearings.
  • bearings are used which have a lifetime lubrication.
  • FIG. 1 shows an exemplary embodiment of a fluid pump
  • FIG. 1 is an interior view of the fluid pump of FIG. 1,
  • FIG. 3 is a sectional view of the fluid pump of FIG. 1
  • Fig. 4 is an oblique view of a side cover with embedded
  • Fig. 5 is a further oblique view of the side cover of Fig. 4, and
  • Fig. 6 shows another embodiment of a side cover.
  • Fig. 1 shows a first view of a fluid pump 1 in one
  • An inner housing 2 is connected to a first and a second side cover 3, 4, preferably releasably connected releasably. This can be done for example by screwing through holes 5. These are distributed around the circumference, whereby a seal of a pump chamber in the inner housing 2 is made possible.
  • the first and the second side cover 3, 4 have stator cores 6, which are each aligned axially to a rotor axis in the interior of the inner housing 2.
  • Stator cores 6 are each wrapped with a winding, so that a
  • Electromagnetic field can be generated.
  • a board on a cover 7 can be arranged, by means of which an interconnection of the respective windings and control of the same is made possible.
  • a liquid can be supplied centrally via a feed as fluid inlet 8 centrally. But there is also the
  • FIG. 2 shows an inner housing 2 with a combination rotor 9 arranged inside.
  • the combination rotor rotates in the inner housing 2.
  • the combination rotor 9 can have recesses 10, into which, for example, magnets or soft magnetic elements can be inserted.
  • a pump chamber 11 is located in an interior of the combination rotor 9.
  • a gerotor 12 is located in the pump chamber.
  • a gerotor as a fluid pump, it is also possible to use an impeller pump, a vane pump, a P-type pump. Rotor, a roller-cell pump, a rotary vane pump or a
  • Radial piston pump may be arranged in the inner housing 2.
  • the respective impeller either be part of the combination rotor or as in the gerotor shown be arranged on an axis and therefore also rotate.
  • the combination rotor 9, which is also the rotor of the electric motor at the same time, can have permanent magnets or also soft magnetic elements, for example in the recesses 10.
  • permanent magnets as Axialpound- electric motor a permanent-magnet synchronous or brushless
  • a stator which is arranged here because of the position on the back of the illustrated inner housing 2, may comprise a soft magnetic material, for example a soft magnetic
  • Composite abbreviated SMC, or a combination of electrical sheets and SMC.
  • An inner peripheral surface 13 of the inner housing 2 may be finished so that it forms a seal in cooperation with a side cover.
  • the inner peripheral surface 13 may also have an additional seal which seals with a complementary side of the side cover
  • Fig. 3 shows a sectional view of the fluid pump 1 of FIG. 1 in one
  • the Representation shows the disc-like geometry of the combination rotor 9.
  • the common housing 14 has the axially arranged fluid inlet 8 and an axially spaced fluid outlet 15.
  • the fluid inlet 8 can, in the second side cover, guide a fluid to the impeller, in this case to the gerotor, by means of a lateral recess.
  • the first side cover 3 may again be opposite or as in some
  • FIG. 4 shows the second side cover 4 of FIG. 1 with attached
  • Connecting piece 16 from a side perspective.
  • the connecting pieces 16 allow, for example, the screwing or fastening of the axial pump thus formed in a space, for example a car engine compartment.
  • FIG. 5 shows the second side cover 4 from FIG. 1 in a further perspective.
  • two orifices 17 are shown, via the fluid to or from
  • At least one non-magnetic material is provided as the material.
  • the area swept by the combination rotor is made of non-magnetic material.
  • the non-magnetic material is also electrically non-conductive. So in addition to ceramic, plastic and an amagnetic metal can be used.
  • the side cover can be produced, for example, as an injection-molded part or as a sintered component. Thus, different materials can be used. An embodiment provides that the side cover 4 is produced together with the stator cores together.
  • a sintering method can be used, as for example from DE 10 2009 042 598 AI and JP H08-134509 A, to which reference is made in this regard within the scope of the disclosure.
  • DE 10 2009 042 598 A1 and JP H08-134509 A show how, for example, identical or different sintered materials can be produced with one another
  • DE 10 2009 042 603 A1 discloses how prefabricated components are to be sintered in a component can be exactly introduced.
  • the latter is possible, for example, for the production of the stator with, for example, prefabricated stator cores made from, for example, sintered material, as well as when using electrical sheets as soft-magnetic elements in the combination rotor for producing a reluctance motor. It is also possible to introduce magnets in this way, these being preferably also inserted after sintering on account of the temperatures during sintering.
  • the third side cover 18 has, for example soft magnetic poles 19, which are preferably made of soft magnetic composites. These can, for example, as shown up to a
  • Such a structure has the advantage that the side cover can otherwise be made of non-magnetic metal, for example by means of a sintering process of metallic powder.
  • the proposed fluid pump can be used in different fields of application. It can be transported liquids of various kinds such as Newtonian fluids or Bingham'sche fluids as well as gases. The use can cover a wide range of areas such as the chemical industry, the food industry, and the use in machinery and equipment Plants or even in the vehicle, aircraft and shipping sectors.
  • the fluids may include lyes or acids, be corrosive, cooled or heated. By way of example only, without being exhaustive, the following examples are given:
  • Oil pump in an internal combustion engine Circulation pump, for example in a cooling circuit or in the heating area; as a circulation pump, to
  • Maintaining a pressure as a suction pump; in the field of aquariums; for PC and server cooling systems such as water cooling; in medical technology, for example a dialysis machine, an infusion pump, an insulin pump; in the exhaust aftertreatment, for example in the addition of urea; as a venting pump; in brake booster, in the

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Rotary Pumps (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne une pompe à fluide (1), entraînée au moyen d'un moteur électrique, qui est accouplé à un rotor de la pompe à fluide, le moteur électrique étant un moteur électrique à flux axial, dont le rotor est également le rotor de la pompe et le rotor de la pompe et le rotor du moteur électrique sont logés dans un carter (2) commun, dans lequel le rotor de la pompe et le rotor du moteur électrique tournent à la façon d'un disque en étant intégrés en tant que rotor combiné, le carter (2) commun comprenant une arrivée de fluide et une évacuation de fluide (8, 15) par rapport au rotor combiné. L'invention concerne également un procédé de fabrication pour une pompe à fluide de ce type.
EP16719085.9A 2015-04-28 2016-04-28 Pompe à fluide Active EP3289221B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015207748.9A DE102015207748A1 (de) 2015-04-28 2015-04-28 Fluidpumpe
PCT/EP2016/059549 WO2016174164A1 (fr) 2015-04-28 2016-04-28 Pompe à fluide

Publications (2)

Publication Number Publication Date
EP3289221A1 true EP3289221A1 (fr) 2018-03-07
EP3289221B1 EP3289221B1 (fr) 2021-06-23

Family

ID=55858768

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16719085.9A Active EP3289221B1 (fr) 2015-04-28 2016-04-28 Pompe à fluide

Country Status (5)

Country Link
US (1) US11078904B2 (fr)
EP (1) EP3289221B1 (fr)
CN (1) CN107787409B (fr)
DE (1) DE102015207748A1 (fr)
WO (1) WO2016174164A1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3389063A1 (fr) * 2017-04-13 2018-10-17 Comet AG Condensateur variable sous vide et procédé de refroidissement
DE102017222754A1 (de) 2017-12-14 2019-06-19 Magna Powertrain Bad Homburg GmbH Gerotor Pumpe
DE102017223715A1 (de) 2017-12-22 2019-06-27 Magna Powertrain Bad Homburg GmbH Gerotorpumpe und Verfahren zur Herstellung einer solchen
CN111306031A (zh) * 2018-12-12 2020-06-19 杭州三花研究院有限公司 电动泵
CN111725934B (zh) * 2019-03-22 2024-04-23 广东德昌电机有限公司 流体泵
DE102019214600B4 (de) 2019-09-11 2024-08-22 Vitesco Technologies Germany Gmbh Pumpenanordnung
FR3102510B1 (fr) * 2019-10-25 2021-11-12 Safran Helicopter Engines Turbomachine munie d’une pompe électromagnétique à flux magnétique axial
FR3106625B1 (fr) * 2020-01-27 2022-11-04 Safran Helicopter Engines Circuit d’alimentation en carburant d’un moteur d’aéronef
US20210320578A1 (en) 2020-04-08 2021-10-14 Halliburton Energy Services, Inc. Axial Flux Submersible Electric Motor
EP3957822B1 (fr) 2020-08-20 2023-12-13 GKN Sinter Metals Engineering GmbH Agencement de pompe
SI3957823T1 (sl) 2020-08-20 2024-05-31 Gkn Sinter Metals Engineering Gmbh Ureditev črpalke
CN216665906U (zh) * 2021-11-17 2022-06-03 江门市君顺实业有限公司 一种模块化潜水齿轮泵及皂液器

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CN1010337B (zh) * 1985-05-16 1990-11-07 杨德贵 内切大圆弧卸荷叶片泵或马达
US5145329A (en) * 1990-06-29 1992-09-08 Eaton Corporation Homoplanar brushless electric gerotor
JP3574191B2 (ja) 1994-11-07 2004-10-06 本田技研工業株式会社 多層焼結部品用成形体の製造方法
US6074180A (en) * 1996-05-03 2000-06-13 Medquest Products, Inc. Hybrid magnetically suspended and rotated centrifugal pumping apparatus and method
USH1966H1 (en) * 1997-08-28 2001-06-05 The United States Of America As Represented By The Secretary Of The Navy Integrated motor/gear pump
US6441530B1 (en) * 2000-12-01 2002-08-27 Petersen Technology Corporation D.C. PM motor with a stator core assembly formed of pressure shaped processed ferromagnetic particles
DE10330434A1 (de) * 2003-07-04 2005-02-03 Jostra Ag Zentrifugal-Pumpe
FI20041113A0 (fi) 2004-08-25 2004-08-25 Juha Pyrhoenen Aksiaalivuoinduktiosähkökone
DE102007035239A1 (de) * 2007-07-25 2009-01-29 Joma-Hydromechanic Gmbh Rotorpumpe
DE102009042598A1 (de) 2009-09-23 2011-03-24 Gkn Sinter Metals Holding Gmbh Verfahren zur Herstellung eines Grünlings
DE102009042603A1 (de) 2009-09-23 2011-03-24 Gkn Sinter Metals Holding Gmbh Verfahren zur Herstellung eines Verbundbauteils
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JP5759740B2 (ja) * 2011-02-15 2015-08-05 株式会社山田製作所 電動オイルポンプ
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DE102013205442A1 (de) * 2013-03-27 2014-10-02 Robert Bosch Gmbh Pumpe mit Elektromotor

Also Published As

Publication number Publication date
DE102015207748A1 (de) 2016-11-03
EP3289221B1 (fr) 2021-06-23
US11078904B2 (en) 2021-08-03
CN107787409A (zh) 2018-03-09
CN107787409B (zh) 2020-07-03
WO2016174164A1 (fr) 2016-11-03
US20180128268A1 (en) 2018-05-10

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