EP1526282A1 - Motorpumpenaggregat - Google Patents
Motorpumpenaggregat Download PDFInfo
- Publication number
- EP1526282A1 EP1526282A1 EP04025166A EP04025166A EP1526282A1 EP 1526282 A1 EP1526282 A1 EP 1526282A1 EP 04025166 A EP04025166 A EP 04025166A EP 04025166 A EP04025166 A EP 04025166A EP 1526282 A1 EP1526282 A1 EP 1526282A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- rotor
- ring gear
- motor
- housing
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 230000004323 axial length Effects 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 210000002023 somite Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000001747 pupil Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/02—Arrangements of bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
- F01C21/10—Outer members for co-operation with rotary pistons; Casings
-
- 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0096—Heating; Cooling
-
- 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
Definitions
- the invention relates to a motor pump unit comprising an electric motor and a pump.
- the motor and pump are nested; the Engine envelops the pupil.
- EP 0 611 887 A1 describes another motor pump unit. It is the Rotor of the engine, although an independent component, but with the cylinder block a piston pump rotatably connected.
- the invention is based on the object, a motor pump unit of mentioned type to improve even further, in particular with respect to Manufacturing effort and space requirements.
- the invention thus starts from a motor pump unit comprising a Electric motor with stator and rotor, an internal gear pump, a ring gear and a pinion, and a housing.
- the inner one The lateral surface of the rotor encloses the outer circumferential surface of the ring gear. The Both surfaces are close to each other, so that a torque transmission from the rotor to the ring gear. This could be a situation from another Material still be interposed, for example, an insulating Material.
- the non-rotatable connection can be made by mechanical means be, but also for example by shrinking the stator to the ring gear.
- the drive of the pump is thus not - as usual - on the pinion shaft, but over the ring gear.
- the speed of the pinion to the Ratio of the number of teeth of the ring gear to the number of teeth of the pinion greater.
- the consisting of rotor and ring gear unit is mounted in the housing, namely in flanges that are part of the housing cover - either this molded, or in one piece with these. It can either the ring gear or the Rotor be stored - depending on which of these two components is longer.
- the bearing of the pinion is also in the said lateral flanges integrated. Due to this design, the ring gear runs in the center of the engine, while the pinion off-center to achieve the necessary eccentricity is arranged.
- the volume flow of the medium to be demanded and to be compressed runs to the suction side and through the engine, which is cooled. He is streaming finally on the print side. This makes the construction volume strong to reduce.
- the unit shown in Figure 1 comprises an electric motor with a stator 1 and a rotor 2.
- the rotor 2 encloses an internal gear pump.
- an internal gear pump In Figure 1 you can see from this the ring gear 3 and the pinion shaft 4.
- Motor and internal gear pump are in a housing 5 is arranged. This has a cylindrical wall 5.1 as well two covers 5.2, 5.3 on.
- the cylindrical wall 5.1 has an inlet 5.1.1 and an outlet 5.1.2.
- the two covers 5.2, 5.3 are each provided with two flanges, namely a radially outer flange 5.2.1 or 5.3.1 and a radial inner flange 5.2.2 or 5.3.2.
- the radially outer flanges 5.2.1 and 5.3.1 each carry a bearing 6, 7 for Bearing the ring gear 3 of the pump, while the radially inner flanges 5.2.2 each enclose a bearing 8, 9 for supporting the pinion shaft 4.1.
- suction flow is not introduced through the frontal lid is, but through the inlet 5.1.1 in the peripheral wall 5.1.
- the suction flow thus leads first through the electric motor to cool it, and only passes then to the pump. On the print side, it is in reverse order just like that.
- channels for the pressure flow in the two lids are 5.2 and 5.3 intended.
- the pump has a relatively large axial length. In any case, it is significantly larger than the axial length of the stator 2.
- rotor 2 and stator 3 are rotatably connected to each other. This connection is made by connecting the two components with their corresponding surfaces fit tightly and tightly together.
- the pump has a low axial length. It is significantly smaller than the axial length of the rotor 2.
- the ratio of the axial lengths between the rotor 2 and pump can - as shown above - be chosen differently. If the pump is relatively long, so As shown in Figures 1 and 2, the unit is mainly for relatively low pressures. On the other hand, if the pump is relatively short, this is suitable Aggregate for generating higher pressures.
- the ratio of the lengths of Stator 2 and pump can range from 0.2 to 2.5.
- stator 1 and rotor 2 are the Components of the rotor, namely stator 1 and rotor 2, of the same shape and of the same dimensions. Differently designed are the two pumps and the Casing. This means that in the interests of rational production, the Components of the engine in numerous, otherwise different units to use.
- liquid Medium such as oil or water
- gaseous medium such as air or a other gas
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Reciprocating Pumps (AREA)
- Valve Device For Special Equipments (AREA)
- Fuel-Injection Apparatus (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
- Figur 1
- zeigt die erste Ausführungsform des kompletten Motorpumpenaggregats in einem Axialschnitt.
- Figur 2
- zeigt Rotor und Pumpe des Aggregats von Figur 1.
- Figur 3
- zeigt das komplette Motorpumpenaggregat gemäß der zweiten Ausführungsform, wiederum in einem Axialschnitt.
- Figur 4
- zeigt Rotor und Pumpe des Aggregats von Figur 3.
- Bei dem erfindungsgemäßen Motorpumpenaggregat ist das aktive Bauteil, nämlich das Verdrängerelement Hohlrad mit dem Rotor drehfest verbunden. Es findet somit keine Einleitung von Drehmoment auf die Verdrängerelemente mittels eines Zahnringes oder eines Führungsringes statt. Die Drehmomentübertragung bedarf somit keiner zwischengeschalteten Bauteile.
- Das Medium fließt durch den gesamten Motor und kühlt diesen. Die Stromführung ist optimal. Der gesamte Motor-Innenraum wird durchströmt.
- Die integrierte Pumpe besteht allein aus der umlaufenden Einheit, umfassend Hohlrad und Ritzel.
Claims (7)
- Motorpumpenaggregat;1.1 mit einem Elektromotor, der einen Stator (1) und einen Rotor (2) aufweist;1.2 mit einer Innenzahnradpumpe, die ein Hohlrad (3) und ein Ritzel (4) aufweist;1.3 mit einem Gehäuse (5), in welchem die genannten Bauteile in der folgenden Reihenfolge, radial von außen nach innen gesehen, angeordnet sind:Stator (1)Rotor (2)Hohlrad (3)Ritzel (4)1.4 Rotor (2) und Hohlrad (3) sind unmittelbar drehfest miteinander verbunden;1.5 das Gehäuse weist einen Einlass (5.1.1) und einen Auslass (5.1.2) für ein zu förderndes Medium auf.
- Motorpumpenaggregat nach Anspruch 1, dadurch gekennzeichnet, dass der Strömungsweg derart gestaltet ist, dass das Medium nacheinander die folgenden Bauteile durchströmt:2.1 den Einlass (5.1.1), der sich in einer Umfangswand (5.1) des Gehäuses (5) zwischen zwei Gehäusedeckeln (5.2, 5.3) befindet;2.2 einen Teil des Stators (1);2.3 den Arbeitsraum der Pumpe;2.4 einen Teil des Rotors (2);2.5 einen Auslass (5.1.2), der sich in der Umfangswand (5.1) zwischen den beiden Gehäusedeckeln (5.2, 5.3) befindet.
- Motorpumpenaggregat nach Anspruch 2, dadurch gekennzeichnet, dass auch die Lager (6, 7, 8, 9) der Pumpe von Medium durchströmt sind.
- Motorpumpenaggregat nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass Rotor (2) und Hohlrad (3) zum Erzielen einer drehfesten Verbindung unmittelbar oder unter Zwischenschaltung einer Zwischenlage aneinander befestigt sind.
- Motorpumpenaggregat nach Anspruch 4, dadurch gekennzeichnet, dass die drehfeste Verbindung zwischen Rotor (2) und Hohlrad (3) eine Schrumpfverbindung ist.
- Motorpumpenaggregat nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Einheit Rotor (2) - Hohlrad (3) am Hohlrad (3) gelagert ist.
- Motorpumpenaggregat nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Einheit Rotor (2) - Hohlrad (3) am Rotor (2) gelagert ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10349752A DE10349752B4 (de) | 2003-10-24 | 2003-10-24 | Motorpumpenaggregat |
| DE10349752 | 2003-10-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1526282A1 true EP1526282A1 (de) | 2005-04-27 |
| EP1526282B1 EP1526282B1 (de) | 2008-12-10 |
Family
ID=34384461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04025166A Expired - Lifetime EP1526282B1 (de) | 2003-10-24 | 2004-10-22 | Motorpumpenaggregat |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1526282B1 (de) |
| AT (1) | ATE417202T1 (de) |
| DE (2) | DE10349752B4 (de) |
| DK (1) | DK1526282T3 (de) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1803938A1 (de) * | 2005-12-27 | 2007-07-04 | Techspace Aero S.A. | Hochintegrierte Pumpeneinheit mit elektrischem Motor |
| EP1840327A3 (de) * | 2006-03-28 | 2007-12-26 | JTEKT Corporation | Innenzahnradpumpe |
| WO2010051640A1 (en) * | 2008-11-07 | 2010-05-14 | Stt Technologies Inc., A Joint Venture Of Magna Powertrain Inc. And Shw Gmbh | Fully submerged integrated electric oil pump |
| EP2078859A3 (de) * | 2008-01-08 | 2011-08-10 | Aisin Seiki Kabushiki Kaisha | Elektrische Pumpe |
| WO2021001212A1 (de) * | 2019-07-04 | 2021-01-07 | Magna powertrain gmbh & co kg | Elektrische maschine, elektrische antriebseinheit mit einer solchen elektrischen maschine und kraftfahrzeug mit einer solchen elektrischen antriebseinheit |
| BE1027701B1 (fr) * | 2019-10-21 | 2021-05-25 | Safran Aero Boosters | Moteur-pompe |
| WO2024261299A1 (en) * | 2023-06-23 | 2024-12-26 | Valeo Embrayages | Hydraulic pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2693313A (en) * | 1952-05-09 | 1954-11-02 | Wetmore Hodges | Motor pump or compressor package |
| US2793506A (en) * | 1955-03-28 | 1957-05-28 | Trane Co | Refrigerating apparatus with motor driven centrifugal compressor |
| US2918209A (en) * | 1957-05-14 | 1959-12-22 | Schueller Otto | Motor-compressor unit |
| DE8617489U1 (de) * | 1986-07-01 | 1990-11-15 | Lettmann, Heinrich-Josef, 4840 Rheda-Wiedenbrück | Rohrförmiges Pumpenaggregat mit Antriebsmotor |
| DE29913367U1 (de) * | 1999-07-30 | 1999-12-09 | Pumpenfabrik Ernst Scherzinger GmbH & Co. KG, 78120 Furtwangen | Innen-Zahnradpumpe, deren Hohlrad das Innere eines Rotors eines Elektromotors ist |
| JPH11343983A (ja) * | 1998-05-29 | 1999-12-14 | Denso Corp | 電動ポンプ |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2711286A (en) * | 1952-08-01 | 1955-06-21 | Wetmore Hodges | Motor-pump or compressor |
| JPH03129966A (ja) * | 1989-10-16 | 1991-06-03 | Matsushita Graphic Commun Syst Inc | 中間調読取り方法及び中間調読取り補助具 |
| US5145329A (en) * | 1990-06-29 | 1992-09-08 | Eaton Corporation | Homoplanar brushless electric gerotor |
| IT1245466B (it) * | 1991-03-19 | 1994-09-20 | Iveco Fiat | Elettropompa per la circolazione di un liquido, ad esempio in un motore a combustione interna |
| JP2687822B2 (ja) * | 1992-08-06 | 1997-12-08 | ダイキン工業株式会社 | 流体圧力発生装置 |
| DE19538278A1 (de) * | 1995-10-15 | 1996-05-02 | Sbs Sondermaschinen Gmbh | Umwälzpumpe mit Elektroantrieb |
| JPH11210642A (ja) * | 1998-01-20 | 1999-08-03 | Zexel:Kk | 内接ギアポンプ |
| DE19817162A1 (de) * | 1998-04-17 | 1999-10-21 | Sachsenhydraulik Gmbh | Elektrohydraulischer Kompaktantrieb |
| DE10015139A1 (de) * | 2000-03-29 | 2001-10-11 | Voith Turbo Kg | Motorpumpenaggregat |
-
2003
- 2003-10-24 DE DE10349752A patent/DE10349752B4/de not_active Expired - Fee Related
-
2004
- 2004-10-22 DK DK04025166T patent/DK1526282T3/da active
- 2004-10-22 EP EP04025166A patent/EP1526282B1/de not_active Expired - Lifetime
- 2004-10-22 DE DE502004008629T patent/DE502004008629D1/de not_active Expired - Lifetime
- 2004-10-22 AT AT04025166T patent/ATE417202T1/de active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2693313A (en) * | 1952-05-09 | 1954-11-02 | Wetmore Hodges | Motor pump or compressor package |
| US2793506A (en) * | 1955-03-28 | 1957-05-28 | Trane Co | Refrigerating apparatus with motor driven centrifugal compressor |
| US2918209A (en) * | 1957-05-14 | 1959-12-22 | Schueller Otto | Motor-compressor unit |
| DE8617489U1 (de) * | 1986-07-01 | 1990-11-15 | Lettmann, Heinrich-Josef, 4840 Rheda-Wiedenbrück | Rohrförmiges Pumpenaggregat mit Antriebsmotor |
| JPH11343983A (ja) * | 1998-05-29 | 1999-12-14 | Denso Corp | 電動ポンプ |
| DE29913367U1 (de) * | 1999-07-30 | 1999-12-09 | Pumpenfabrik Ernst Scherzinger GmbH & Co. KG, 78120 Furtwangen | Innen-Zahnradpumpe, deren Hohlrad das Innere eines Rotors eines Elektromotors ist |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN vol. 2000, no. 03 30 March 2000 (2000-03-30) * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1803938A1 (de) * | 2005-12-27 | 2007-07-04 | Techspace Aero S.A. | Hochintegrierte Pumpeneinheit mit elektrischem Motor |
| EP1840327A3 (de) * | 2006-03-28 | 2007-12-26 | JTEKT Corporation | Innenzahnradpumpe |
| US7641457B2 (en) | 2006-03-28 | 2010-01-05 | Jtekt Corporation | Internal gear pump |
| EP2078859A3 (de) * | 2008-01-08 | 2011-08-10 | Aisin Seiki Kabushiki Kaisha | Elektrische Pumpe |
| US8038423B2 (en) | 2008-01-08 | 2011-10-18 | Aisin Seiki Kabushiki Kaisha | Electric pump with relief valve |
| WO2010051640A1 (en) * | 2008-11-07 | 2010-05-14 | Stt Technologies Inc., A Joint Venture Of Magna Powertrain Inc. And Shw Gmbh | Fully submerged integrated electric oil pump |
| JP2012508344A (ja) * | 2008-11-07 | 2012-04-05 | エスティーティー テクノロジーズ インコーポレイテッド ア ジョイント ヴェンチャー オブ マグナ パワートレイン インコーポレイテッド アンド エスエイチダブリュ ゲゼルシャフト ミット ベシュレン | 完全サブマージド一体形電気オイルポンプ |
| US9581158B2 (en) | 2008-11-07 | 2017-02-28 | Magna Powertrain Inc. | Submersible electric pump having a shaft with spaced apart shoulders |
| WO2021001212A1 (de) * | 2019-07-04 | 2021-01-07 | Magna powertrain gmbh & co kg | Elektrische maschine, elektrische antriebseinheit mit einer solchen elektrischen maschine und kraftfahrzeug mit einer solchen elektrischen antriebseinheit |
| BE1027701B1 (fr) * | 2019-10-21 | 2021-05-25 | Safran Aero Boosters | Moteur-pompe |
| WO2024261299A1 (en) * | 2023-06-23 | 2024-12-26 | Valeo Embrayages | Hydraulic pump |
Also Published As
| Publication number | Publication date |
|---|---|
| DK1526282T3 (da) | 2009-03-23 |
| ATE417202T1 (de) | 2008-12-15 |
| DE10349752B4 (de) | 2006-04-06 |
| DE502004008629D1 (de) | 2009-01-22 |
| DE10349752A1 (de) | 2005-06-16 |
| EP1526282B1 (de) | 2008-12-10 |
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