WO2010130522A1 - Pompe hydraulique à entraînement électrique pourvue d'un rotor en plusieurs parties et procédé de fabrication d'un tel rotor - Google Patents

Pompe hydraulique à entraînement électrique pourvue d'un rotor en plusieurs parties et procédé de fabrication d'un tel rotor Download PDF

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Publication number
WO2010130522A1
WO2010130522A1 PCT/EP2010/054952 EP2010054952W WO2010130522A1 WO 2010130522 A1 WO2010130522 A1 WO 2010130522A1 EP 2010054952 W EP2010054952 W EP 2010054952W WO 2010130522 A1 WO2010130522 A1 WO 2010130522A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
component
hydraulic
liquid pump
electrical
Prior art date
Application number
PCT/EP2010/054952
Other languages
German (de)
English (en)
Inventor
Bernd Hein
Jerome Thiery
Christoph Heier
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2010130522A1 publication Critical patent/WO2010130522A1/fr

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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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/026—Selection of particular materials especially adapted for liquid pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • 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
    • F04D29/00—Details, component parts, or accessories
    • F04D29/18—Rotors
    • F04D29/22—Rotors specially for centrifugal pumps
    • F04D29/2205—Conventional flow pattern
    • F04D29/2222—Construction and assembly
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/2726—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of a single magnet or two or more axially juxtaposed single magnets
    • H02K1/2733—Annular magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/128—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas using air-gap sleeves or air-gap discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0001—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0013—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor using fillers dispersed in the moulding material, e.g. metal particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1657—Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2081/00—Use of polymers having sulfur, with or without nitrogen, oxygen or carbon only, in the main chain, as moulding material
    • B29K2081/04—Polysulfides, e.g. PPS, i.e. polyphenylene sulfide or derivatives thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/748—Machines or parts thereof not otherwise provided for
    • B29L2031/7496—Pumps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/748—Machines or parts thereof not otherwise provided for
    • B29L2031/7498—Rotors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/40—Organic materials
    • F05D2300/43—Synthetic polymers, e.g. plastics; Rubber

Definitions

  • the invention relates to a liquid pump, for example a liquid pump for a cooling / heating circuit of a motor vehicle.
  • a fluid pump has a housing with a rotor arranged therein, which forms a rotor of an electronically commutated electric motor in an electrical part of the housing and an impeller structure of a hydraulic pump device in a hydraulic part of the housing.
  • the rotor is designed as a two-component injection molded part, wherein the electrical component forming the rotor is formed of a magnetic material and the hydraulic component forming the impeller structure is formed of a liquid and temperature-resistant plastic material.
  • the invention further relates to the two-part rotor and a method for producing such a rotor.
  • Electric fluid pumps are known from various technical applications.
  • liquid pumps driven by an electronically commutated electric motor are used as water pumps in cooling and heating circuits, for example as a compact auxiliary water pump in motor vehicle technology.
  • the housing of such a liquid pump comprises an electrical housing part with an electric drive device arranged therein and a hydraulic housing part with a pumping device arranged therein.
  • a rotor arranged in both parts of the housing forms both a rotor of the electric drive device and an impeller structure of the hydraulic pump device. The rotor is rotated by a magnetic interaction of the rotor with a fixed stator housing package in rotation.
  • the runner becomes magnetic wherein the rotor is produced by means of an injection molding process from a Plastoferrit material and thereby the desired state of magnetization of the rotor is set by means of a magnetization cage a strong magnetic field.
  • the plastoferrit material used consists of a proportion of a temperature- and hydrolysis-resistant plastic, for example polyphenylene sulfide (PPS), a proportion of a hard ferrite powder and additional additives.
  • PPS polyphenylene sulfide
  • the exact material composition may vary depending on the application.
  • the Plastoferrit- material proves in the operation of the rotor but also during its manufacture as problematic.
  • the highest possible hard ferrite content in the plastoferror material is necessary for high efficiency of the electric motor.
  • the plastic ferrite material with increasing hard ferrite proves to be increasingly brittle and less elastic.
  • the reduced mechanical strength of the Plastoferrit material leads to limitations both in the design of the rotor and in its manufacture.
  • the optimization of the hydraulic wing structures in terms of hydraulic efficiency is difficult, which usually with a filigree
  • Forming the wing contours is associated with partially curved wing shapes. Furthermore, the high proportion of hard ferrite powder in the Plastoferrrit material also causes difficulties in mold filling in the injection process, which can result in different wall thicknesses within the part contours, especially in filigree structures. Due to the inherent stresses associated therewith, which are amplified in particular at high temperature fluctuations, as well as the different shrinkage behavior, it may be easier to crack during operation of the pump and thus to the total failure of the component.
  • a liquid pump has an electric drive and a housing with a rotor arranged therein, wherein the rotor forms a rotor of the electric drive in an electrical section and a hydraulic impeller in a hydraulic section.
  • the rotor is in the form of a two-component injection-molded part with an electrical component forming the rotor structure and a hydraulic component forming the impeller structure. Due to the two-part structure of the rotor, the production is simplified because significantly simpler molded molded parts are produced in each of the two part injection processes. Thus, for example, the production of particularly filigree wing structures of the hydraulic side is facilitated.
  • the two components have different material properties.
  • the first component consists of a magnetic material and the second component of a liquid- and temperature-resistant plastic material.
  • a further embodiment provides that the electrical component of the rotor consists of a plastoferrite material. This material proves to be very suitable for creating a magnetic rotor due to its ability to spray. Due to the separate production of the electrical and the hydraulic side of the rotor, it is possible to use a Plastoferrit material with a higher hard ferrite content to improve the efficiency of the electric motor.
  • the hydraulic component of the rotor consists of polyphenylene sulfide.
  • This material is suitable due to its Spray performance and its material properties very well as material for the hydraulic rotor side.
  • desired material properties of this plastic such as its sliding property or stability, can be further improved particularly simply by adding suitable additives.
  • a further embodiment provides that the two components are positively connected to each other by means of connecting structures, wherein at least one connecting structure serves as a driver for torque transmission between the components. Due to the positive connection, a particularly strong connection between the two parts is achieved.
  • Mit decisions also a simple torque transmission can be realized. Finally, such connection structures can be realized particularly easily with the aid of the spraying method used.
  • the connecting structure is formed as a radially extending guide with a T-shaped cross-section. This cross-sectional shape allows a secure positive connection between the parts.
  • the axial alignment of the connecting structure allows the function as a driver for transmitting the torque from the rotor to the impeller.
  • a further embodiment provides that the bearing of the rotor takes place in the housing by means of a sliding bearing, which comprises a housing bore receiving an axial bore in the hydraulic component.
  • a sliding bearing which comprises a housing bore receiving an axial bore in the hydraulic component.
  • the sliding bearing can be realized without an additional coal bushing, whereby the manufacture of the rotor is simplified.
  • the axial bore is at least partially formed within a protruding into the electrical portion of the rotor bearing journal of the hydraulic component. As a result, the storage distance is extended, which is associated with a quiet and wear-free storage.
  • the material of the hydraulic component contains an additive which improves the sliding properties of the sliding bearing.
  • an additive which improves the sliding properties of the sliding bearing.
  • carbon fibers and / or carbon spheres improve the sliding characteristics of the camp are particularly clear.
  • the use of carbon fiber as an additive further improves the mechanical strength of the hydraulic part of the rotor.
  • the added carbon fibers can also replace the glass fibers commonly used to improve the mechanical properties of the rotor.
  • the hydraulic component comprises a shielding element, which extends in a collar shape around the entire circumference of the rotor.
  • the shielding prevents magnetic molding sand from getting out of the cooling liquid in the electric pump part and there is abrasive.
  • a further embodiment provides that the electrical component has substantially the shape of a hollow cylinder. This simple shaping simplifies the manufacturing process of the molded part. Due to the particularly simple tool also the magnetization of the
  • a first component of the rotor is produced from a first material.
  • the second component of the rotor is produced by injecting a second material to the first component. It is advantageous to provide the first component with at least one connecting structure, which is encapsulated during the production of the second component and thereby generates a positive connection between the two components.
  • the first component is produced in a first injection process by means of a first injection molding tool and then inserted into a second injection molding tool.
  • the second component is produced in a second injection process using the second injection molding tool.
  • the two components are in two consecutive
  • FIG. 1 shows a fluid pump according to the prior art with a one-piece Plastoferrit rotor.
  • FIG. 2 shows a liquid pump according to the invention with a rotor designed as a two-component injection molded part
  • FIG. 3 shows a cross-sectional view of the rotor according to the invention with an electrical part formed from plastoferrite and a hydraulic part formed from a plastic material;
  • FIG. 4 shows a perspective cross-sectional view of the rotor according to the invention from FIG. 3;
  • FIG. 6 shows a detailed representation of the plastoferrite rotor from FIG. 5;
  • FIG. 7 shows a further perspective illustration of the plastoferrite rotor from FIG. 5 with four connection structures produced by means of advanced technology
  • Fig. 8 is a perspective view of the hydraulic rotor part of Figure 5 with a journal and four connection structures.
  • FIG. 1 shows a liquid pump 100 according to the prior art driven by means of an electronically commutated electric motor 300.
  • the electric motor 300 is housed together with the hydraulic pumping device 400 in a housing 110.
  • the rotor 200 formed in one piece from a plastoferring material by means of an injection molding process forms in its electrical section a rotor 211 of the electric motor 300 and in its hydraulic section an impeller 221 of the hydraulic pumping device 400.
  • the neutral rotor section 240 acts as a shielding element which separates the electrical from the hydraulic pump side.
  • the rotor 200 is rotatably mounted on a stationary housing 103 by means of a slide bearing 230.
  • the rotor body 200 has an axial bore extending along its axis of rotation for receiving the housing journal 103.
  • the slide bearing is realized by an inserted between the rotor body 200 and the housing pin 103 carbon bushing 233.
  • the controlled by a special electronics stator 310 consists of several in the electrical housing part 1 11 along the circumference of the rotor 21 1 arranged electric coils. During operation of the electric motor 300, these electric coils generate a rotating magnetic field, by means of which the rotor 21 1 forming the magnetic part of the EC motor is set in rotation.
  • the rotor 200 is injection-molded from a plastoferror material and the electric rotor section 201 is magnetized during the injection process in a magnetization cage. After the plastoferrite material has hardened, the hard ferrite particles oriented in the external magnetic field maintain their orientation and thus produce the desired magnetization of the rotor 21 1.
  • the shielding element 240 serves to protect the electrical side against the ingress of molding sand from the hydraulic fluid.
  • a sealing element serves a labyrinth area, which by a arranged on the side facing the rotor of the shield 240 arranged circumferential groove 241 and a correspondingly engaging in the groove 241 circumferential structure of
  • Housing 1 10 is formed.
  • FIG. 2 shows a liquid pump 100 according to the invention with a rotor 200 designed as a two-component injection part.
  • This liquid pump 100 essentially has an arrangement analogous to the liquid pump known from FIG.
  • the hydraulic rotor section 202, the shielding element 240 integrally formed with the hydraulic rotor section 201 and the bearing journal 232 also integrally formed with the hydraulic rotor section 201 are formed from a plastics material.
  • a material is basically any sprayable Plastic with a high temperature and hydrolysis resistance, such as a polyphenylene sulfide (PPS). It is particularly cost-effective to use a plastic material from which other parts of the housing 110 already exist. Furthermore, special plastics can be used which have optimized properties with respect to the hydraulic application.
  • PPS polyphenylene sulfide
  • the plastic material may further comprise an additive, such. As Teflon, carbon fibers or carbon spheres are added.
  • FIG. 3 shows the rotor 200 according to the invention from FIG. 2 in a sectional view.
  • the rotor 200 consists essentially of two components 201, 202, which are formed as two separate, but interconnected molded parts.
  • the hydraulic component 202 comprising the hydraulic rotor section 220, the shielding element 240 and the bearing pin 232 is designed as a complex molded part.
  • the hydraulic rotor section 220 is formed by an impeller 221, which comprises a plurality of wing structures 222 arranged around a slightly tapered impeller axis 223.
  • the wing structures 222 of which in the
  • Figure 3 are shown only two, adjacent to a shielding element 240 forming plate-shaped area.
  • the number, distribution and shape of the wing structures 222 formed here as simple louvers with a polygonal profile may vary depending on the application. Due to the lack of hard ferrite powder, the plastic material used has significantly improved mechanical properties compared to the plastoferror material used for the conventional rotor. The design of the wing structures is therefore no longer subject to the restrictions imposed by a high hard ferrite content. Thus, a shape of the impeller 221 which is optimized in particular for hydraulic efficiency is also very delicate and curved
  • the hub formed by the wellgelradachse 223, a core portion of the shielding 240 and the bearing pin 232 has a central bore 231 for receiving the housing pin.
  • connection structures 250 may be provided on a first component 201, 202 produced in a first injection process, which are overmolded by the material of the second component in the course of the second injection process. The connecting structures 250 thus produced then serve simultaneously as a driver.
  • FIG. 4 shows the special mechanical connection between the two components 201, 202 by means of a plurality of T-shaped connecting structures 250.
  • the connecting structures 250 formed on the hydraulic component 202 are arranged along the interface between the two components , They engage in corresponding recesses 260 of the rotor 21 1 representing hollow cylinder. As a result, a positive connection between the two components is realized.
  • Figure 5 shows an exploded view of the rotor 200 according to the invention.
  • a total of four formed as a radially extending T-shaped guides connecting structures 250 are arranged uniformly along the interface between the two components.
  • the complementary connection structures 260 of the electrical counterpart 21 1 are formed as corresponding recesses for receiving the connection structures 250.
  • the manufacture of the rotor 200 is preferably carried out by means of a two-part
  • Both components 201, 202 can be produced in different parts of a common injection molding tool.
  • one of the two components 201, 202 is produced as part of a pre-projection by injecting the corresponding material in a first tool part.
  • the second component is produced as part of a final injection by injecting the corresponding material into a second tool part.
  • the production of the two components 201, 202 can also take place with the aid of two different injection tools.
  • first the first component 201, 202 is prefabricated as an intermediate product and then inserted into a second injection molding tool in a first injection molding process by injecting the corresponding material into a first injection molding tool.
  • the second component is injected by injecting the appropriate material to the prefabricated first component.
  • the magnetization cage and thus the magnetization of the rotor can be optimized.
  • Figures 6 and 7 show two different perspective views of the rotor 21 1 forming the electrical component 201.
  • the Plastoferrit rotor 21 1 is formed substantially as a simple molded part in the form of a hollow cylinder.
  • the joints 260 are preferably as recesses in the hydraulic side facing
  • Such a recess 260 has a geometry corresponding to the shape of the associated connection structure 250 of the hydraulic component 202.
  • the recesses 260 are thus formed as T-shaped grooves.
  • FIG. 8 shows a perspective view of the hydraulic component 202.
  • the injection molded part 202 which is produced in one piece from a fluid-resistant and temperature-resistant plastic material, comprises an impeller 221 forming the hydraulic section 220 with a total of four wing structures 222 arranged around a central rotor axis 223 Shielding element 240 forming a plate-shaped area with a side facing the electrical rotor side circumferential groove 241 and four along the circumference uniformly arranged connecting structures 250 and a bearing pin 232nd

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne une pompe hydraulique (100) munie d'un entraînement électrique (300) et comportant un carter (110) ainsi qu'un rotor (200) logé dans ce dernier, le rotor (200) formant, dans une partie électrique (201), une structure d'induit (211) de l'entraînement électrique (300) et, dans une partie hydraulique (202), une structure de palette hydraulique (221). Le rotor (200) est composé de deux éléments (201, 202) reliés l'un à l'autre. Un élément électrique (201) du rotor (200) comprend la structure d'induit (211), tandis qu'un élément hydraulique (202) du rotor (200) comprend la structure de palette hydraulique (221).
PCT/EP2010/054952 2009-05-15 2010-04-15 Pompe hydraulique à entraînement électrique pourvue d'un rotor en plusieurs parties et procédé de fabrication d'un tel rotor WO2010130522A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009003146A DE102009003146A1 (de) 2009-05-15 2009-05-15 Elektrisch angetriebene Flüssigkeitspumpe mit einem mehrteiligen Rotor und Herstellungsverfahren für einen solchen Rotor
DE102009003146.4 2009-05-15

Publications (1)

Publication Number Publication Date
WO2010130522A1 true WO2010130522A1 (fr) 2010-11-18

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PCT/EP2010/054952 WO2010130522A1 (fr) 2009-05-15 2010-04-15 Pompe hydraulique à entraînement électrique pourvue d'un rotor en plusieurs parties et procédé de fabrication d'un tel rotor

Country Status (2)

Country Link
DE (1) DE102009003146A1 (fr)
WO (1) WO2010130522A1 (fr)

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CN107542671A (zh) * 2016-06-23 2018-01-05 浙江三花汽车零部件有限公司 电子泵
WO2022206790A1 (fr) * 2021-03-30 2022-10-06 浙江三花汽车零部件有限公司 Pompe à huile électronique

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US9360015B2 (en) * 2012-07-16 2016-06-07 Magna Powertrain Of America, Inc. Submerged rotor electric water pump with structural wetsleeve
DE102013014143A1 (de) * 2012-12-21 2014-06-26 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromotorische Wasserpumpe
DE102014000765A1 (de) * 2014-01-24 2015-07-30 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromotorische Wasserpumpe
DE102015211741A1 (de) * 2015-06-24 2016-12-29 Robert Bosch Gmbh Pumpe mit Anlaufscheibe
DE102015010728A1 (de) * 2015-08-17 2017-02-23 Thomas Magnete Gmbh Motorpumpenaggregat
DE102016118713A1 (de) * 2016-10-04 2018-04-05 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Versorgungseinheit, Brennkraftmaschine und Kraftfahrzeug
DE102019201392A1 (de) * 2019-02-04 2020-08-06 Hanon Systems Efp Deutschland Gmbh Verfahren zur Herstellung eines Rotormoduls sowie Rotormodul

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