WO2018091722A1 - Carter d'un moteur électrique - Google Patents

Carter d'un moteur électrique Download PDF

Info

Publication number
WO2018091722A1
WO2018091722A1 PCT/EP2017/079853 EP2017079853W WO2018091722A1 WO 2018091722 A1 WO2018091722 A1 WO 2018091722A1 EP 2017079853 W EP2017079853 W EP 2017079853W WO 2018091722 A1 WO2018091722 A1 WO 2018091722A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
channel
cooling
cooling channel
housing element
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.)
Ceased
Application number
PCT/EP2017/079853
Other languages
German (de)
English (en)
Inventor
Patrick SANTHERR
Dietmar HANSER
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.)
Albert Handtmann Metallgusswerk GmbH and Co KG
Original Assignee
Albert Handtmann Metallgusswerk 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 Albert Handtmann Metallgusswerk GmbH and Co KG filed Critical Albert Handtmann Metallgusswerk GmbH and Co KG
Publication of WO2018091722A1 publication Critical patent/WO2018091722A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Processes or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/14—Casings; Enclosures; Supports

Definitions

  • the invention relates to a motor housing of an electrical machine according to the preamble of claim 1.
  • An engine housing for an electric machine, in particular for a drive motor of a motor vehicle is already known, for example, from DE 10 2015 202 918 A1 or DE 10 2011 080 199 A1.
  • These motor housings each comprise an outer housing part and an inner housing part arranged in the outer housing part. In addition, this indicates
  • Motor housing arranged between the housing parts and limited by the housing parts cooling channel, i.
  • a cooling jacket through which a cooling medium for cooling at least the inner housing part flows.
  • these cooling systems have two ports through which the cooling medium, in particular the cooling water, flows in or out. For the inflow or the cooling medium, in particular the cooling water, flows in or out.
  • Outflow are also each end of the cooling channel a collecting channel or a distribution channel provided so that can distribute the cooling medium over the entire circumferential surface or over the entire circumference and through the
  • hollow cylindrical cooling channel / cooling jacket can flow.
  • the inner housing part is designed as a hollow cylindrical sleeve with a comparatively thin wall thickness.
  • a disadvantage of such motor housings is that the outer housing part is comparatively thick form and thus is relatively heavy and bulky. At the same time, the comparatively thin-walled inner housing part is comparatively unstable under thermal loads, in particular a wide variety of thermal loads, so that in operation z.T. Impairs caused by thermally induced, different deformations of the two housing parts, resulting in adverse cooling or
  • Object of the invention is in contrast to propose a motor housing of the aforementioned type, which improves the previous engine housing.
  • This object is achieved on the basis of a motor housing of the aforementioned type, by the features of claim 1.
  • the measures mentioned in the dependent claims are advantageous embodiments and refinements of
  • Motor housing characterized in that at least one of the two annular channels as a recess of the inner housing element is trained.
  • the inner housing element is viewed in the radial direction in the region of the recess or of the annular channel
  • Motor housing according to the invention are received.
  • this is e.g. also for a stable and permanent connection of the inner housing element with the
  • Inner housing member provided with the outer housing member, preferably at the front end portion of / the
  • LMD welding ie a Powder coating laser cladding method, friction welding method, friction squeezing method or friction stir welding method or the like are used. Just here are comparatively thick walls in the welds or the end of the
  • the advantage of the welding process is that not only the longevity but also the tightness during welding of die-cast components is guaranteed. For example, in the case of diecasting elements (trapped or not visible from the outside) imperfections such as pores, voids, etc. in
  • the first annular channel are the first annular channel
  • Training the motor housing can be used.
  • Outer housing element as thickening / widening of
  • Cooling channel can be formed. For example, in
  • the radial direction considered the clear cross sections of the annular channels about twice as thick as the clear cross section of the cooling channel.
  • the clear cross sections of the annular channel are approximately 5 mm thick and the clear cross section of the cooling channel viewed in the radial direction is approximately 2 mm thick.
  • the advantage is a comparatively large Flow rate, in particular by the pressure with which the cooling liquid or the cooling medium
  • At least a first wall of the first annular channel or at least a second wall of the second annular channel is formed as an extension of a cooling channel wall of the cooling channel, in particular the first or the second wall is substantially rectilinear designed as an extension of one of the cooling channel walls, i. outside or inside.
  • the cooling channel or the cooling channel wall extends substantially rectilinearly into one of the annular channels, in particular once rectilinearly on the outside of the cooling channel or on the other hand on the inside of the cooling channel. Accordingly, the inner case member or the outer case member can be advantageously used
  • the outer housing element comprises at least the first wall of the first annular channel and the
  • Inner housing member at least the second wall of the second annular channel.
  • the first recess of the inner housing element and the second recess of the outer housing element has an offset to
  • Cooling channel and / or the cooling channel wall of the cooling channel are configured to be Cooling channel and / or the cooling channel wall of the cooling channel.
  • the cooling medium flows through the annular channel, ie in the distribution channel in the sense of the invention, continuously into the cooling channel and preferably in turn from this cooling channel out into the second / other annular channel, ie in the collecting channel in the sense of the invention.
  • At least one cooling channel wall of the inner housing element and / or the outer housing element is at least partially disposed at an acute angle with respect to a rotational axis of the electric machine and / or the inner housing element and the outer housing element. This means that this wall or at least one of the two cooling channel walls, i. of
  • Such an oblique boundary or wall of the inner housing element and / or the outer housing element can be produced by casting in an advantageous manner. So can with one
  • the mold advantageously in a solid state after solidification of the cast material, in particular aluminum or another light metal, are pulled out.
  • Inner housing member and the outer housing member have an acute-angled outer surface / lateral surface, i.
  • a cooling channel is generated, the corresponding as
  • Truncated cone sleeve or truncated cone ring is realized. This comprises substantially uniform over its entire length in the direction of rotation considered
  • both elements can have a frusto-conical wall / surface
  • Housing elements ie, the inner housing member and / or the outer housing member, advantageously one of arranged at an acute angle aligned lateral surface opposite the second lateral surface, which is formed substantially cylindrical.
  • an outer housing element advantageous cooling elements / ribs or the like and connecting pieces, etc. which can be produced in an advantageous manner by casting, in particular with a die-casting process, in particular light metal alloys can for this purpose
  • the inner housing member may also be made of a light metal alloy, although it is quite possible also to use shaped aluminum or even shaped steel, e.g. Extruded or extruded components.
  • Housing elements of aluminum or light metal with steel welding methods such as the friction stir welding or the friction-crushing welding method are preferable.
  • the motor housing with the inner housing member and the outer housing member is particularly inexpensive to produce and the cooling system with the channels is reliably sealed, especially when using two frontally or end-mounted annular shitty joints or shitty seams.
  • FIG. 1 shows a schematic cross section through an electrical machine with a motor housing according to the invention
  • Figure 2 shows a first, schematic, enlarged
  • FIG. 4 shows a schematic perspective view in a partially sectioned view of the electrical machine according to FIG. 1.
  • This electromagnetic drive system of the electric machine 1 or of the electric motor 1 furthermore comprises, on the circumference, a motor housing 2 according to the invention.
  • the motor housing 2 in this case has an outer housing element 5 and an inner housing element 6 in the sense of the invention.
  • the outer motor housing element 5 has a flange 8 arranged on the front side.
  • the outer housing element 5 is designed as a "cup element", ie a cylinder jacket with a “bottom”, which in terms of casting, in particular by means of
  • a cooling channel 9 wherein in each case two terminals 10 and 11 for supply and discharge of the not closer illustrated cooling fluids, in particular cooling water are provided.
  • the motor housing 2 also has a collecting strip or in each case an annular channel 12, 13 in the sense of the invention, on the one hand for distributing the cooling medium or the cooling fluid and
  • the cooling medium or the cooling liquid thus flows from a port 10, 11 in one of the two annular channels 12, 13 and in the axial direction along the cooling channel 9 to each
  • Cooling channel wall 16 formed, i. especially in longitudinal or cross-section, e.g. cut along the
  • the inner wall 18 or annular channel inner wall 18 is designed as a substantially rectilinear extension of the inner cooling channel wall 16 or cooling channel inner wall 16, wherein both “inner walls” 16, 18 form the wall of the Inner housing element 6. That is, here a portion of an annular upper / outer surface of the inner housing member 6, the inner walls
  • outer wall 17 or annular channel outer wall 17 as a substantially rectilinear extension of the outer
  • Cooling channel wall 16 and cooling channel outer wall 16 is formed, wherein both "outer walls" 16, 17, the wall of the
  • Outer housing member 5 are. That means that here is one
  • Ring channel 13 and on the other hand of the cooling channel 9 form.
  • Inner housing element 6 conical or wedge-shaped and preferably in the region of the annular channel 13 thicker than in the region of the cooling channel 9. In the region of the front end portions of the
  • Inner housing member 6 is advantageously in each case a weld not shown 14, 15 for
  • connection of the inner housing member 6 with the Outer housing member 5 is provided.
  • Advantageous chamfering of the inner housing member 6 and / or the outer housing member 5 is advantageous, i. In particular, a (cutting) milling or turning operation for forming a surface as exactly as possible round or fit of the two housing elements 5, 6. This is especially of great advantage to a concentric storage of
  • the casting skin of the respective material in particular of the light metal such as an aluminum alloy or the like, is not impaired and thus also the tightness of the respective element 5, 6 is not impaired casting technology production of the inner housing member 6 andnostigeophuseiatas 5. Otherwise, a casting error such as a Pores or voids etc. are exposed or the like, so that quite leaks could arise.
  • Inner housing element 6 a weld, fully, i. is made annular over 360 degrees, so that between the two welds 14, 15, the cooling fluid can flow completely sealed.
  • the cooling channel 9 is not parallel to the central axis of rotation D of the
  • Electric motor 1 is aligned, but acute-angled
  • Rotary axis D arranged, as well as the inner surface of the outer housing element 5. Since the two surfaces
  • the cooling channel 9 is uniformly formed over the entire length in the direction of the axis of rotation D, so that an advantageous
  • a casting mold can be designed in a correspondingly conical or frusto-conical shape, so that after solidification of the elements 5 or 6, this can be advantageously removed from the respective casting mold.
  • the inside or the inner surface of the inner housing element 6 is the sixth
  • Stator unit 4 can be inserted in an advantageous manner in the motor housing 2 and in the inner housing member 6.
  • the motor housing 2 which is preferably also formed on the outer surface is substantially cylindrical and optionally without further illustration also cooling elements or cooling fins or the like, a change in the wall thickness of the outer Housing element 5 and a change in the wall thickness of the inner
  • Inner housing element 6 in an advantageous manner on the
  • the front side of the housing member 6 to be arranged with the thick wall thickness, so that the recess 13 and the groove 13 is space-saving feasible.
  • the recess 12 and groove 12 of the outer housing element can be realized to save space and also be provided with a connection 10. So can just when using casting technology

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne un carter (2) d'un moteur électrique (1), comprenant un élément de carter extérieur (5) et un élément de carter intérieur (6) disposé dans l'élément de carter extérieur (5). Au moins un canal de refroidissement (9) parcouru par un fluide de refroidissement est disposé entre l'élément de carter extérieur (5) et l'élément de carter intérieur (6). Pour répartir et/ou collecter le fluide de refroidissement, un premier canal annulaire (12, 13) est disposé à une première extrémité du canal de refroidissement (9) et un second canal annulaire (12, 13) est disposé à une seconde extrémité du canal de refroidissement (9). L'objectif de l'invention est d'améliorer le carter de moteur existant jusqu'à présent. A cet effet, au moins un des deux canaux annulaires (12, 13) est réalisé sous la forme d'un évidement (12, 13) de l'élément de carter intérieur (6).
PCT/EP2017/079853 2016-11-21 2017-11-21 Carter d'un moteur électrique Ceased WO2018091722A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016122290 2016-11-21
DE102016122290.9 2016-11-21

Publications (1)

Publication Number Publication Date
WO2018091722A1 true WO2018091722A1 (fr) 2018-05-24

Family

ID=60473519

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2017/079851 Ceased WO2018091721A1 (fr) 2016-11-21 2017-11-21 Carter d'un moteur électrique
PCT/EP2017/079853 Ceased WO2018091722A1 (fr) 2016-11-21 2017-11-21 Carter d'un moteur électrique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/079851 Ceased WO2018091721A1 (fr) 2016-11-21 2017-11-21 Carter d'un moteur électrique

Country Status (3)

Country Link
EP (1) EP3542448A1 (fr)
DE (1) DE102017127374A1 (fr)
WO (2) WO2018091721A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020169189A1 (fr) 2019-02-20 2020-08-27 Albert Handtmann Metallgusswerk Gmbh & Co. Kg Carter de machine électrique segmenté en plusieurs parties

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019220059A1 (de) * 2019-12-18 2021-06-24 Volkswagen Aktiengesellschaft Gehäuse eines fluidgekühlten PKW-Elektromotors
DE102020211368A1 (de) * 2020-09-10 2022-03-10 Robert Bosch Gesellschaft mit beschränkter Haftung Gehäusekomponente für eine elektrische Antriebsvorrichtung und Verfahren zum Herstellen einer Gehäusekomponente
DE102021208273A1 (de) 2021-07-30 2023-02-02 Valeo Eautomotive Germany Gmbh Stator-Gehäuse-Anordnung für eine elektrische Maschine mit verbesserter Verschweißung
DE102021210878A1 (de) * 2021-09-29 2023-03-30 Robert Bosch Gesellschaft mit beschränkter Haftung Elektrische Maschine
EP4490832B8 (fr) * 2022-03-08 2026-01-14 SEW-EURODRIVE GmbH & Co KG Moteur électrique comprenant un élément de refroidissement
DE102023209928A1 (de) 2023-10-11 2025-04-17 Robert Bosch Gesellschaft mit beschränkter Haftung Stator für eine elektrische Maschine und eine elektrische Maschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217118A (en) * 1988-03-31 1989-10-18 Aisin Seiki Cooling dynamoelectric machines : anti burst rotor construction
DE4104740A1 (de) * 1990-02-26 1991-08-29 Valeo Equip Electr Moteur Kuehlvorrichtung fuer elektrische maschine, insbesondere fuer kraftfahrzeug-wechselstromlichtmaschine
DE102011080199A1 (de) 2011-08-01 2013-02-07 Bayerische Motoren Werke Aktiengesellschaft Gehäuse, insbesondere für E-Maschinen, mit Verbindungskanal für ein Kühlmittel
US20130099606A1 (en) * 2011-10-19 2013-04-25 Kabushiki Kaisha Yaskawa Denki Stator and rotating electrical machine
DE102015202918A1 (de) 2014-04-07 2015-10-08 Siemens Aktiengesellschaft Gehäuse einer elektrischen Maschine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3174009B2 (ja) * 1996-12-27 2001-06-11 昭和アルミニウム株式会社 モーターケースの製造方法
DE10141890A1 (de) * 2001-08-28 2003-03-20 Bosch Gmbh Robert Elektrische Maschine
AU2003229565A1 (en) * 2002-03-24 2003-10-08 Vomag Gmbh Device for supporting a shaft
DE112013007157T5 (de) * 2013-06-14 2016-02-25 Mitsubishi Electric Corporation Elektrische Drehmaschine
JP6318056B2 (ja) * 2014-09-05 2018-04-25 日立オートモティブシステムズ株式会社 回転電機のハウジング、およびこれを備えた回転電機

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2217118A (en) * 1988-03-31 1989-10-18 Aisin Seiki Cooling dynamoelectric machines : anti burst rotor construction
DE4104740A1 (de) * 1990-02-26 1991-08-29 Valeo Equip Electr Moteur Kuehlvorrichtung fuer elektrische maschine, insbesondere fuer kraftfahrzeug-wechselstromlichtmaschine
DE102011080199A1 (de) 2011-08-01 2013-02-07 Bayerische Motoren Werke Aktiengesellschaft Gehäuse, insbesondere für E-Maschinen, mit Verbindungskanal für ein Kühlmittel
US20130099606A1 (en) * 2011-10-19 2013-04-25 Kabushiki Kaisha Yaskawa Denki Stator and rotating electrical machine
DE102015202918A1 (de) 2014-04-07 2015-10-08 Siemens Aktiengesellschaft Gehäuse einer elektrischen Maschine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020169189A1 (fr) 2019-02-20 2020-08-27 Albert Handtmann Metallgusswerk Gmbh & Co. Kg Carter de machine électrique segmenté en plusieurs parties

Also Published As

Publication number Publication date
WO2018091721A1 (fr) 2018-05-24
DE102017127374A1 (de) 2018-05-24
EP3542448A1 (fr) 2019-09-25

Similar Documents

Publication Publication Date Title
WO2018091722A1 (fr) Carter d'un moteur électrique
EP3152820B1 (fr) Transport de média dans l'arbre rotorique
DE102017207056B4 (de) Elektrische Maschine
EP2870379B1 (fr) Procédé de production d'un ensemble, et ensemble correspondant
DE102005058204A1 (de) Kühlvorrichtung für eine Verbrennungskraftmaschine
EP3480929B1 (fr) Carter refroidi pour le stator d'entraînement direct
EP2463991A2 (fr) Système de refroidissement pour une machine électrique rotative à puissance maximale
WO2017071970A1 (fr) Boîtier de refroidissement pour machine électrique et procédé de fabrication
DE102015226023A1 (de) Flüssigkeitsgekühlte, elektrische Antriebskomponente, Antriebsstrang, Fahrzeug und Verfahren
EP2366870B1 (fr) Rotor d'un turbochargeur
EP2507897A2 (fr) Corps coulé à double paroi pour un moteur électrique refroidi par liquide
WO2020169189A1 (fr) Carter de machine électrique segmenté en plusieurs parties
DE102018114246A1 (de) Gehäuse mit mindestens einem Kühlwasserkanal und Verfahren zu dessen Herstellung
DE10062344B4 (de) Elektromotor
WO2009153096A2 (fr) Machine électrique pour véhicule hybride
LU502349B1 (de) Gießform zur Herstellung eines aus einer Leichtmetalllegierung gebildeten Gussteils
EP4015887B1 (fr) Agencement de tuyau
DE29723176U1 (de) Druckstutzen für Kreiselpumpen
WO2020064272A1 (fr) Tube de rotor pour machine électrique d'un véhicule
DE10218653B4 (de) Ringträger mit einem Kühlkanalblech, das eine Flachstelle aufweist
DE102006011789B4 (de) Verfahren zur Herstellung einer Pressverbindung für ein Durchflussmessgerät
DE102010025678A1 (de) Stator und Verfahren zum Herstellen eines Stators
WO2016083069A1 (fr) Stator
EP3025808A1 (fr) Procede de fermeture d'une ouverture de portee du noyau d'une partie de piece moulee presentant un espace creux
DE102023207685A1 (de) Rotor für eine elektrische Maschine

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17808829

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 17808829

Country of ref document: EP

Kind code of ref document: A1