EP1181453B1 - Motorpumpenaggregat - Google Patents

Motorpumpenaggregat Download PDF

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Publication number
EP1181453B1
EP1181453B1 EP01917112A EP01917112A EP1181453B1 EP 1181453 B1 EP1181453 B1 EP 1181453B1 EP 01917112 A EP01917112 A EP 01917112A EP 01917112 A EP01917112 A EP 01917112A EP 1181453 B1 EP1181453 B1 EP 1181453B1
Authority
EP
European Patent Office
Prior art keywords
motor
pump
rotor
pump unit
electric motor
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.)
Expired - Lifetime
Application number
EP01917112A
Other languages
English (en)
French (fr)
Other versions
EP1181453A1 (de
Inventor
Franz Arbogast
Gerd Hundt
Thomas Neubert
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.)
Voith Turbo GmbH and Co KG
Original Assignee
Voith Turbo GmbH and Co KG
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 Voith Turbo GmbH and Co KG filed Critical Voith Turbo GmbH and Co KG
Publication of EP1181453A1 publication Critical patent/EP1181453A1/de
Application granted granted Critical
Publication of EP1181453B1 publication Critical patent/EP1181453B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
    • F04C2/14—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/08—Cooling; Heating; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
    • F04B1/128—Driving means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B23/00—Pumping installations or systems
    • F04B23/04—Combinations of two or more pumps
    • F04B23/08—Combinations of two or more pumps the pumps being of different types
    • 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
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/008—Enclosed motor pump units

Definitions

  • the invention relates to a motor pump unit in which an electric motor and a pump are structurally combined.
  • EP 0 611 887 A1 describes a motor pump unit.
  • the rotor of the engine is an independent component, but with the cylinder block one Piston pump non-rotatably connected.
  • Units of this type have the great advantage that they only have one occupy minimal space. But there is still room for improvement.
  • the invention has for its object a motor pump unit mentioned design to improve even further, especially with regard to the Manufacturing effort and space requirements.
  • the rotor of the electric motor is seen in an axial section - U-shaped design.
  • the web of the U is in the area of the axis of the Unit with internal teeth, and the drive shaft of the Pump with a corresponding pinion, so that internal teeth and pinion comb together.
  • the invention can be used particularly advantageously in internal gear pumps apply.
  • the pump forms a completely independent, self-sufficient unit. You can Manufacture separately, check separately and completely in the stator of the Install the electric motor enclosed space.
  • the motor pump unit comprises an electric motor 1 with a Stator laminated core 1.1, a winding 1.2 and a rotor 1.3.
  • the two elements, motor and pump, are common Enclosed housing 3.
  • housing 3 In the housing 3 there is an inlet 3.1 and an outlet 3.2 for the medium to be pumped.
  • the rotor 1.3 of the motor 1 is cup-shaped. in the present axial section, it appears U-shaped.
  • the pinion shaft is 2.3 with the rotor 1.3 via a toothing in rotary connection.
  • the U is namely an internal toothing, while the pinion shaft has a corresponding external toothing. Internal teeth and External teeth mesh with each other.
  • the rotor 1.3 is mounted on the pump 2, more precisely on the ring gear 2.3 and the side windows 2.4, 2.5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Control Of Electric Motors In General (AREA)
  • Compressor (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Valve Device For Special Equipments (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Frames (AREA)

Description

Die Erfindung betrifft ein Motorpumpenaggregat, bei dem ein Elektromotor und eine Pumpe baulich miteinander vereinigt sind. Dabei umhüllt der Rotor/Stator des Motors die Pumpe (ZB-US-A-5 219 276).
DE 195 38 278 A1 beschreibt ein solches Motorpumpenaggregat. Dabei ist der Rotor des Elektromotors gleichzeitig das Pumpenrad der Pumpe.
EP 0 611 887 A1 beschreibt ein Motorpumpenaggregat. Dabei ist der Rotor des Motors zwar ein eigenständiges Bauteil, aber mit dem Zylinderblock einer Kolbenpumpe drehfest verbunden.
Aggregate dieser Bauart haben den großen Vorteil, daß sie nur einen minimalen Raum beanspruchen. Sie sind aber noch verbesserungsfähig.
Der Erfindung liegt die Aufgabe zugrunde, ein Motorpumpenaggregat der genannten Bauart noch weiter zu verbessern, insbesondere bezüglich des Fertigungsaufwandes und des Raumbedarfs.
Diese Aufgabe wird durch die Merkmale von Anspruch 1 gelöst.
Demgemäß wird der Rotor des Elektromotors - in einem Axialschnitt gesehen - U-förmig gestaltet. Dabei wird der Steg des U im Bereich der Achse des Aggregats mit einer Innenverzahnung versehen, und die Antriebswelle der Pumpe mit einem entsprechenden Ritzel, so daß Innenverzahnung und Ritzel miteinander kämmen.
Es kommen verschiedene Arten von Elektromotoren in Betracht, beispielsweise Asynchronmotoren, Reluktanzmotoren oder sogenannte Kurzschlußläufer.
Es kommen auch die unterschiedlichsten Arten von Pumpen in Betracht. Besonders vorteilhaft läßt sich die Erfindung bei Innenzahnradpumpen anwenden.
Die Pumpe bildet dabei eine völlig selbständige, autarke Einheit. Sie läßt sich separat herstellen, separat prüfen sowie komplett in den vom Stator des Elektromotors umschlossenen Raum einbauen.
Dabei ist es möglich, den Rotor des Elektromotors auf dem Gehäuse der Innenzahnradpumpe zu lagern.
Die Erfindung ist anhand der Zeichnungen erläutert. Darin ist im einzelnen folgendes dargestellt:
Das Motorpumpenaggregat umfaßt einen Elektromotor 1 mit einem Statorblechpaket 1.1, einer Wicklung 1.2 und einem Rotor 1.3.
Es umfaßt ferner eine Innenzahnradpumpe 2. Diese weist ein Ritzel 2.1 auf, ein gegenüber diesem exzentrischen Hohlrad 2.2 sowie einer Ritzelwelle 2.3. Die Ritzelwelle 2.3 ist in Seitenscheiben 2.4, 2.5 gelagert. Im vorliegenden Falle sind Gleitlager 2.4.1, 2.5.1 vorgesehen.
Die beiden Elemente Motor und Pumpe sind von einem gemeinsamen Gehäuse 3 umschlossen. Im Gehäuse 3 befinden sich ein Zulauf 3.1 sowie ein Auslauf 3.2 für das zu pumpende Medium.
Gemäß der Erfindung ist der Rotor 1.3 des Motors 1 topfförmig gestaltet. Im vorliegenden Axialschnitt erscheint er U-förmig. Dabei steht die Ritzelwelle 2.3 mit dem Rotor 1.3 über eine Verzahnung in Drehverbindung. Im Steg 1.3.1 des U befindet sich nämlich eine Innenverzahnung, während die Ritzelwelle eine entsprechende Außenverzahnung aufweist. Innenverzahnung und Außenverzahnung kämmen miteinander.
Es könnte auch eine anderweitige Triebverbindung zwischen dem Rotor 1.3 des Motors 1 und der Ritzelwelle 2.3 hergestellt sein. So ist es denkbar, zwischen diesen beiden nicht nur eine einzige, sondern zwei oder mehrere Verzahnungen mit entsprechenden Drehmoment übertragenden Elementen vorzusehen, so daß eine Übersetzung von der Drehzahl des Rotors zur Ritzelwelle ins Langsame oder ins Schnelle erfolgt.
Der Rotor 1.3 ist auf der Pumpe 2 gelagert, genauer gesagt auf dem Hohlrad 2.3 und den Seitenscheiben 2.4, 2.5.

Claims (5)

  1. Motorpumpenaggregat;
    1.1 mit einem Elektromotor (1);
    1.2 mit einer Pumpe (2);
    1.3 die Pumpe (2) ist vom Rotor/Stator (1.1.) des Motors konzentrisch umschlossen, dadurch gekennzeichnet, daß
    1.4 der Rotor (1.3) des Elektromotors ist - in einem Axialschnitt gesehen - U-förmig;
    1.5 der Steg des U ist im Bereich der gemeinsamen Achse mit einer Innenverzahnung versehen;
    1.6 die Welle (2.2) der Pumpe (2) weist ein Ritzel (2.1) auf, das mit der Innenverzahnung des Steges des U kämmt.
  2. Motorpumpenaggregat nach Anspruch 1, dadurch gekennzeichnet, daß der Rotor (1.3) des Elektromotors das Pumpengehäuse umschließt und auf diesem gelagert ist.
  3. Motorpumpenaggregat nach einem der Ansprüche 1 bis 2, dadurch gekennzeichnet, daß die Pumpe (2) eine Hydropumpe ist.
  4. Motorpumpenaggregat nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß wenigstens ein Teil des Durchsatzes des Betriebsmediums der Pumpe (2) zum Kühlen des Motors ausgenutzt wird.
  5. Motorpumpenaggregat nach einem der Ansprüche 1 bis 4, gekennzeichnet durch die folgenden Merkmale:
    5.1 zwischen dem Steg des U und der benachbarten Stirnwand des Motorgehäuses befindet sich ein Freiraum;
    5.2 die Welle (2.2) der Pumpe (2) ragt in den Freiraum hinein und trägt einen Impeller;
    5.3 der Impeller ist derart gestaltet und angeordnet, daß er Kühlmedium aus dem Motor heraus in die Pumpe (2) hineinfördert.
EP01917112A 2000-03-29 2001-03-23 Motorpumpenaggregat Expired - Lifetime EP1181453B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10015139A DE10015139A1 (de) 2000-03-29 2000-03-29 Motorpumpenaggregat
DE10015139 2000-03-29
PCT/EP2001/003357 WO2001073295A1 (de) 2000-03-29 2001-03-23 Motorpumpenaggregat

Publications (2)

Publication Number Publication Date
EP1181453A1 EP1181453A1 (de) 2002-02-27
EP1181453B1 true EP1181453B1 (de) 2003-01-08

Family

ID=7636539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01917112A Expired - Lifetime EP1181453B1 (de) 2000-03-29 2001-03-23 Motorpumpenaggregat

Country Status (10)

Country Link
US (1) US6585498B2 (de)
EP (1) EP1181453B1 (de)
JP (1) JP5047439B2 (de)
KR (1) KR20020024590A (de)
AT (1) ATE230822T1 (de)
AU (1) AU4422201A (de)
DE (2) DE10015139A1 (de)
DK (1) DK1181453T3 (de)
ES (1) ES2189781T3 (de)
WO (1) WO2001073295A1 (de)

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EP3730793B1 (de) 2014-06-02 2022-04-27 Project Phoenix LLC Linearaktuatoranordnung und -system
EP3149362B1 (de) 2014-06-02 2019-04-10 Project Phoenix LLC Hydrostatische getriebeanordnung und system
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KR102316426B1 (ko) 2014-07-22 2021-10-21 프로젝트 피닉스, 엘엘씨 독립적으로 구동되는 2개의 원동기와 통합된 외부 기어 펌프
US10072676B2 (en) 2014-09-23 2018-09-11 Project Phoenix, LLC System to pump fluid and control thereof
EP3204647B1 (de) 2014-10-06 2021-05-26 Project Phoenix LLC Linearaktuatoranordnung und -system
WO2016064569A1 (en) 2014-10-20 2016-04-28 Afshari Thomas Hydrostatic transmission assembly and system
EP3344874B1 (de) 2015-09-02 2021-01-20 Project Phoenix LLC System zum pumpen einer flüssigkeit und steuerung dafür
TWI704286B (zh) 2015-09-02 2020-09-11 美商鳳凰計劃股份有限公司 泵送流體之系統及其控制
EP3163085A1 (de) 2015-10-27 2017-05-03 Kolektor Micro-Motor d.o.o. System aus elektromotor und arbeitsmaschine
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Also Published As

Publication number Publication date
ATE230822T1 (de) 2003-01-15
WO2001073295A1 (de) 2001-10-04
DE10015139A1 (de) 2001-10-11
AU4422201A (en) 2001-10-08
ES2189781T3 (es) 2003-07-16
US6585498B2 (en) 2003-07-01
DK1181453T3 (da) 2003-05-05
JP2003529019A (ja) 2003-09-30
KR20020024590A (ko) 2002-03-30
US20020172605A1 (en) 2002-11-21
JP5047439B2 (ja) 2012-10-10
DE50100082D1 (de) 2003-02-13
EP1181453A1 (de) 2002-02-27

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