EP3289221A1 - Fluidpumpe - Google Patents
FluidpumpeInfo
- 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
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 230000005291 magnetic effect Effects 0.000 claims description 13
- 239000000696 magnetic material Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 102000004877 Insulin Human genes 0.000 description 1
- 108090001061 Insulin Proteins 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 229940125396 insulin Drugs 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
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 (de) | 2015-04-28 | 2016-04-28 | Fluidpumpe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3289221A1 true EP3289221A1 (de) | 2018-03-07 |
EP3289221B1 EP3289221B1 (de) | 2021-06-23 |
Family
ID=55858768
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16719085.9A Active EP3289221B1 (de) | 2015-04-28 | 2016-04-28 | Fluidpumpe |
Country Status (5)
Country | Link |
---|---|
US (1) | US11078904B2 (de) |
EP (1) | EP3289221B1 (de) |
CN (1) | CN107787409B (de) |
DE (1) | DE102015207748A1 (de) |
WO (1) | WO2016174164A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3389063A1 (de) * | 2017-04-13 | 2018-10-17 | Comet AG | Variabler vakuumkondensator und kühlungsverfahren |
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 |
US20210320577A1 (en) * | 2020-04-08 | 2021-10-14 | Halliburton Energy Services, Inc. | Axial Flux Submersible Electric Motor |
SI3957822T1 (sl) | 2020-08-20 | 2024-05-31 | Gkn Sinter Metals Engineering Gmbh | Ureditev črpalke |
EP3957823B1 (de) | 2020-08-20 | 2023-11-08 | GKN Sinter Metals Engineering GmbH | Pumpenanordnung |
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 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE102009042603A1 (de) | 2009-09-23 | 2011-03-24 | Gkn Sinter Metals Holding Gmbh | Verfahren zur Herstellung eines Verbundbauteils |
DE102009042598A1 (de) | 2009-09-23 | 2011-03-24 | Gkn Sinter Metals Holding Gmbh | Verfahren zur Herstellung eines Grünlings |
JP5564974B2 (ja) * | 2009-12-01 | 2014-08-06 | 株式会社ジェイテクト | 電動ポンプ及び電動ポンプの取付け構造 |
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 |
JP2013245611A (ja) * | 2012-05-25 | 2013-12-09 | Aisin Seiki Co Ltd | 電動オイルポンプ |
DE102013205442A1 (de) * | 2013-03-27 | 2014-10-02 | Robert Bosch Gmbh | Pumpe mit Elektromotor |
-
2015
- 2015-04-28 DE DE102015207748.9A patent/DE102015207748A1/de not_active Ceased
-
2016
- 2016-04-28 US US15/569,708 patent/US11078904B2/en active Active
- 2016-04-28 WO PCT/EP2016/059549 patent/WO2016174164A1/de active Application Filing
- 2016-04-28 CN CN201680038361.2A patent/CN107787409B/zh active Active
- 2016-04-28 EP EP16719085.9A patent/EP3289221B1/de active Active
Also Published As
Publication number | Publication date |
---|---|
CN107787409B (zh) | 2020-07-03 |
US20180128268A1 (en) | 2018-05-10 |
EP3289221B1 (de) | 2021-06-23 |
DE102015207748A1 (de) | 2016-11-03 |
CN107787409A (zh) | 2018-03-09 |
WO2016174164A1 (de) | 2016-11-03 |
US11078904B2 (en) | 2021-08-03 |
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