WO2016198811A1 - Assembly for supporting an electric motor - Google Patents

Assembly for supporting an electric motor Download PDF

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Publication number
WO2016198811A1
WO2016198811A1 PCT/FR2016/051427 FR2016051427W WO2016198811A1 WO 2016198811 A1 WO2016198811 A1 WO 2016198811A1 FR 2016051427 W FR2016051427 W FR 2016051427W WO 2016198811 A1 WO2016198811 A1 WO 2016198811A1
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WO
WIPO (PCT)
Prior art keywords
enclosure
assembly
ring
wall
motor
Prior art date
Application number
PCT/FR2016/051427
Other languages
French (fr)
Inventor
Patrick LEBRASSEUR
Simon MIDRIER
Olivier Dixneuf
Original Assignee
Valeo Systemes De Controle Moteur
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 Valeo Systemes De Controle Moteur filed Critical Valeo Systemes De Controle Moteur
Publication of WO2016198811A1 publication Critical patent/WO2016198811A1/en

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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
    • H02K5/06—Cast metal casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
    • H02K9/223—Heat bridges

Definitions

  • the invention relates to a support assembly for an electric motor such as, for example, an electric motor for actuating a valve in a motor vehicle. It also relates to a motor vehicle comprising such a set.
  • an assembly 1 comprising an electric motor 2, the rotor 3 rotates the movement of the moving part.
  • a moving part may be an opening valve of a fluid passage, for example.
  • the electric motor 2 is engaged axially and centered in a tubular enclosure 4 of a body 5, for example a valve of the motor vehicle.
  • the electric motor comprises an end base 6 having two opposite side flanges 7 and formed radially outwardly projecting, which are fixed by screwing on the outer periphery 8 of the body.
  • the electric motor 2 is mounted in the tubular shaft housing 9 and so that an outer wall 10 of the motor 2 defines with the enclosure 4, more precisely with the inner surface 11 of the enclosure 4 a space annular 12. This annular space 11 is necessary to ensure proper mounting of the electric motor 2 in the chamber 4 due to manufacturing tolerances of the motor 2 and sizing the enclosure 4 and to achieve a good centering thereof in the enclosure 4.
  • the heat generated by the motor 2 leads to a heating thereof and the annular space 12 which surrounds the motor 2 and which is filled with air limits the heat conduction to the enclosure 4
  • the fluid passing through the movable element is a hot fluid
  • part of the heat of the fluid is transferred by thermal conduction to the electric motor 2 which is still involved in its heating.
  • the present invention provides a simple, effective and economical solution to the aforementioned problem of heating an electric motor, for example for actuating a movable element.
  • an assembly in particular for supporting a motor for actuating a valve in a motor vehicle, comprising a body forming a tubular enclosure in which is centered an electric motor whose outer wall defines externally with the enclosure an annular space, characterized in that a member is mounted in the annular space in contact with the enclosure and the outer wall of the electric motor, the coefficient of thermal conduction of the body being greater than that of the 'air.
  • the member mounted in the annular space in contact with the outer wall of the electric motor and the enclosure allows to transfer the heat from the engine to the body, which avoids the accumulation of heat at the engine electric.
  • the member is elastically deformable and bears radially outwardly on the enclosure and radially inwardly on the outer wall of the engine.
  • the elastic deformation of the member prevents the body from inducing additional static stresses on the motor attached to the body.
  • the member comprises a first ring and a second ring between which extend a plurality of elastically deformable strips spaced apart from each other around the axis of the motor. These slats thus provide flexibility to the operating member.
  • the first ring and the second ring are arranged with a radial clearance facing the enclosure and the outer wall of the engine.
  • each lamella comprises two first bearing zones on one of the enclosure and the outer wall of the engine and a second bearing zone on the other side of the engine. enclosure and the outer wall of the engine, this second zone being arranged along the axis of the enclosure between said two first zones.
  • Said second zone of each lamella may be linearly supported on the enclosure or on the outer wall of the engine.
  • the first ring may comprise two radially outwardly extending radial flanges or lugs, arranged opposite one another and traversed by fastening screws on the body.
  • the member may be formed by a ring having a plurality of bosses extending radially inward and regularly spaced from each other around the motor.
  • the invention also relates to a motor vehicle, comprising at least one set of the type described above.
  • the invention further relates to a member, in particular thermal conduction intended to be mounted in an annular space of an assembly described above, this member comprising a first and a second rings between which elastically deformable lamellae extend.
  • each lamella may comprise an indentation oriented radially inwards or radially outwards relative to the remainder of the lamella.
  • the first ring may also carry two flanges or ears oriented radially outwardly for attachment to a support.
  • FIG. 1 is a schematic perspective view of an assembly according to the prior art comprising an electric motor housed in a chamber;
  • FIG. 2 is a schematic perspective view of an assembly according to the invention comprising an electric motor housed in a chamber;
  • FIG. 3 is a schematic view of the assembly of the assembly of FIG. 2;
  • FIG. 4 is a schematic perspective view of an elastically deformable thermal conduction member according to a first embodiment used in the assembly shown in FIG. 2;
  • Figure 5 is a schematic sectional view of the assembly according to Figure 2;
  • FIG. 6 is a schematic perspective view of a second embodiment of an elastically deformable thermal conduction member
  • FIG. 7 is a schematic perspective view of a third embodiment of an elastically deformable thermal conduction member.
  • FIG. 2 represents an assembly 13 according to the invention and in which a member 14 is mounted in the annular space 12 between the enclosure 4, more precisely its substantially cylindrical internal surface 1 1, and the substantially cylindrical outer wall 10 of the engine 2 so as to bear on the inner surface 1 1 of the enclosure 4 and the outer wall 10 of the electric motor 2, FIG.
  • the member comprises a first ring 15 and a second ring 16 between which extend along the axis 9 of the chamber 4, the slats 17 which are elastically deformable and regularly spaced each other around the axis 9.
  • the first ring 15 carries at its opposite axial end to the lamellae 17 two radial flanges 18 or ears each pierced with an orifice 19 and formed opposite one another relative to the axis 9 of the tubular enclosure 4 or the member which merge when the member 14 is mounted centered in the tubular enclosure 4 ( Figures 3 and 4).
  • These flanges 18 are interposed between the annular periphery 8 of the outlet of the tubular enclosure 4 and the side flanges 7 of the engine 2 ( Figures 2 and 3).
  • Each lamella 17 comprises two first indentations 20 oriented radially inward with respect to the first ring 15 and the second ring 16.
  • These first two indentations 20 define two first support zones radially inwardly on the outer wall 10 of the electric motor 2. They define between them a second zone 21, substantially linear, bearing radially outwardly on the inner surface 1 1 of the enclosure 4.
  • the first 15 and second 16 rings are arranged with a radial clearance by relative to the outer wall 10 of the engine 2 and the inner surface 1 1 of the enclosure 4 ( Figure 5).
  • the coefficient of thermal conduction of the member 14 is greater than that of the air, which ensures, in operation, a good heat conduction of the electric motor 2 to the enclosure 4.
  • the organ is aluminum or copper or any other material of the same type.
  • the body 5 is made of a good heat conducting material such as aluminum, and more heat conductor than the outer wall 10 of the electric motor 2, the heat conduction of the motor 2 to the enclosure 4 will be even easier.
  • the elastically deformable strips 17 avoid the introduction by it of additional static stresses on the motor 2 integral with the body 5.
  • Figure 6 shows a variant of a member 22 can be housed in the annular space.
  • This type of member has the shape of a ring having a plurality of bosses 23 substantially aligned along the axis of the enclosure.
  • the member 24 is formed by a flexible ring consisting of a mixture of compressed metal fibers.
  • the member has a slot 25 intended to allow its mounting by enlarging its diameter around the motor so that the diameter before assembly of the member is substantially smaller than the outer diameter of the motor.

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

Abstract

The invention relates to an assembly (13), in particular for supporting a motor for actuating a valve in a motor vehicle, comprising a tubular enclosure (4) in which an electric motor (2) is centred, an external wall (10) of which externally delimits an annular space (12) with the enclosure (4). According to the invention, the member (14, 22, 24) is mounted in the annular space (12) in contact with the enclosure (4) and the external wall (10) of the electric motor (2), the coefficient of thermal conduction of the member (14) being greater than that of air.

Description

ENSEMBLE DE SUPPORT D'UN MOTEUR ELECTRIQUE  SUPPORT ASSEMBLY OF AN ELECTRIC MOTOR
L'invention concerne un ensemble de support d'un moteur électrique tel que par exemple un moteur électrique d'actionnement d'une vanne dans un véhicule automobile. Elle concerne également un véhicule automobile comprenant un tel ensemble. The invention relates to a support assembly for an electric motor such as, for example, an electric motor for actuating a valve in a motor vehicle. It also relates to a motor vehicle comprising such a set.
Pour actionner des éléments ou pièces mobiles dans un véhicule automobile, il est connu, comme représenté en figure 1 , d'utiliser un ensemble 1 comprenant un moteur électrique 2 dont le rotor 3 actionne par rotation le déplacement de la pièce mobile. Une telle pièce mobile peut être une vanne d'ouverture d'un passage de fluide, par exemple. Le moteur électrique 2 est engagé axialement et centré dans une enceinte tubulaire 4 d'un corps 5 par exemple de vanne du véhicule automobile. Le moteur électrique comprend une embase 6 d'extrémité comportant deux brides latérales 7 opposées et formées en saillie radialement vers l'extérieur, lesquelles sont fixées par vissage sur le pourtour externe 8 du corps.  To operate elements or moving parts in a motor vehicle, it is known, as shown in Figure 1, to use an assembly 1 comprising an electric motor 2, the rotor 3 rotates the movement of the moving part. Such a moving part may be an opening valve of a fluid passage, for example. The electric motor 2 is engaged axially and centered in a tubular enclosure 4 of a body 5, for example a valve of the motor vehicle. The electric motor comprises an end base 6 having two opposite side flanges 7 and formed radially outwardly projecting, which are fixed by screwing on the outer periphery 8 of the body.
Le moteur électrique 2 est monté dans l'enceinte tubulaire d'axe 9 et de manière à ce qu'une paroi externe 10 du moteur 2 définisse avec l'enceinte 4, plus précisément avec la surface interne 11 de l'enceinte 4 un espace annulaire 12. Cet espace annulaire 11 est nécessaire pour assurer un bon montage du moteur électrique 2 dans l'enceinte 4 du fait des tolérances de fabrication du moteur 2 et de dimensionnement de l'enceinte 4 et pour réaliser un bon centrage de celui-ci dans l'enceinte 4.  The electric motor 2 is mounted in the tubular shaft housing 9 and so that an outer wall 10 of the motor 2 defines with the enclosure 4, more precisely with the inner surface 11 of the enclosure 4 a space annular 12. This annular space 11 is necessary to ensure proper mounting of the electric motor 2 in the chamber 4 due to manufacturing tolerances of the motor 2 and sizing the enclosure 4 and to achieve a good centering thereof in the enclosure 4.
Toutefois, en fonctionnement, la chaleur générée par le moteur 2 conduit à un échauffement de celui-ci et l'espace annulaire 12 qui entoure le moteur 2 et qui est remplit d'air limite la conduction de chaleur jusqu'à l'enceinte 4. De plus, dans le cas où le fluide traversant l'élément mobile est un fluide chaud, une partie de la chaleur du fluide est transférée par conduction thermique jusqu'au moteur électrique 2 ce qui participe encore à son réchauffement.  However, in operation, the heat generated by the motor 2 leads to a heating thereof and the annular space 12 which surrounds the motor 2 and which is filled with air limits the heat conduction to the enclosure 4 In addition, in the case where the fluid passing through the movable element is a hot fluid, part of the heat of the fluid is transferred by thermal conduction to the electric motor 2 which is still involved in its heating.
Une solution évidente pourrait consister à mettre un circuit de refroidissement dans l'espace annulaire 12 de manière à refroidir le moteur électrique 2. Si une telle solution peut s'avérer intéressante d'un point de vue thermique, elle s'avère techniquement coûteuse et surtout difficile à mettre en œuvre puisqu'il serait nécessaire d'ajouter des canaux de circulation de fluide froid, cela supposant notamment l'ajout de nombreux moyens d'étanchéité. An obvious solution could be to put a cooling circuit in the annular space 12 so as to cool the electric motor 2. If such a solution can be of interest from a thermal point of view, it proves technically expensive and especially difficult to implement since it would be necessary to add cold fluid circulation channels, this especially including the addition of many sealing means.
La présente invention apporte une solution simple, efficace et économique au problème précité d'échauffement d'un moteur électrique, par exemple pour l'actionnement d'un élément mobile.  The present invention provides a simple, effective and economical solution to the aforementioned problem of heating an electric motor, for example for actuating a movable element.
A cette fin, elle propose un ensemble, en particulier de support d'un moteur d'actionnement d'une vanne dans un véhicule automobile, comprenant un corps formant une enceinte tubulaire dans laquelle est centré un moteur électrique dont une paroi externe délimite extérieurement avec l'enceinte un espace annulaire, caractérisé en ce qu'un organe est monté dans l'espace annulaire en contact avec l'enceinte et la paroi externe du moteur électrique, le coefficient de conduction thermique de l'organe étant supérieur à celui de l'air.  To this end, it proposes an assembly, in particular for supporting a motor for actuating a valve in a motor vehicle, comprising a body forming a tubular enclosure in which is centered an electric motor whose outer wall defines externally with the enclosure an annular space, characterized in that a member is mounted in the annular space in contact with the enclosure and the outer wall of the electric motor, the coefficient of thermal conduction of the body being greater than that of the 'air.
Selon l'invention, l'organe monté dans l'espace annulaire en contact avec la paroi externe du moteur électrique et l'enceinte permet de transférée les calories du moteur vers le corps, ce qui évite l'accumulation de chaleur au niveau du moteur électrique.  According to the invention, the member mounted in the annular space in contact with the outer wall of the electric motor and the enclosure allows to transfer the heat from the engine to the body, which avoids the accumulation of heat at the engine electric.
Préférentiellement, l'organe est élastiquement déformable et est en appui radialement vers l'extérieur sur l'enceinte et radialement vers l'intérieur sur la paroi externe du moteur. La déformation élastique de l'organe permet d'éviter que l'organe n'induise des contraintes statiques supplémentaires sur le moteur fixé au corps.  Preferably, the member is elastically deformable and bears radially outwardly on the enclosure and radially inwardly on the outer wall of the engine. The elastic deformation of the member prevents the body from inducing additional static stresses on the motor attached to the body.
Dans une réalisation de l'invention, l'organe comprend une première bague et une seconde bague entre lesquelles s'étendent une pluralité de lamelles élastiquement déformables espacées les unes des autres autour de l'axe du moteur. Ces lamelles assurent ainsi une souplesse à l'organe en fonctionnement.  In one embodiment of the invention, the member comprises a first ring and a second ring between which extend a plurality of elastically deformable strips spaced apart from each other around the axis of the motor. These slats thus provide flexibility to the operating member.
Préférentiellement, la première bague et la seconde bague sont agencées avec un jeu radial en regard de l'enceinte et de la paroi externe du moteur.  Preferably, the first ring and the second ring are arranged with a radial clearance facing the enclosure and the outer wall of the engine.
Dans une réalisation particulière de l'ensemble selon l'invention, chaque lamelle comprend deux premières zones d'appui sur l'une de l'enceinte et de la paroi externe du moteur et une seconde zone d'appui sur l'autre de l'enceinte et de la paroi externe du moteur, cette seconde zone étant agencée selon l'axe de l'enceinte entre lesdites deux premières zones.  In a particular embodiment of the assembly according to the invention, each lamella comprises two first bearing zones on one of the enclosure and the outer wall of the engine and a second bearing zone on the other side of the engine. enclosure and the outer wall of the engine, this second zone being arranged along the axis of the enclosure between said two first zones.
Ladite seconde zone de chaque lamelle peut être en appui linéaire sur l'enceinte ou sur la paroi externe du moteur. La première bague peut comprendre deux brides ou oreilles radiales s'étendant radialement vers l'extérieur, agencées à l'opposé l'une de l'autre et traversées par des vis de fixation sur le corps. Said second zone of each lamella may be linearly supported on the enclosure or on the outer wall of the engine. The first ring may comprise two radially outwardly extending radial flanges or lugs, arranged opposite one another and traversed by fastening screws on the body.
Dans une autre réalisation de l'invention, l'organe peut être formé par un anneau comportant une pluralité de bossages s'étendant radialement vers l'intérieur et régulièrement espacés les uns des autres autour du moteur.  In another embodiment of the invention, the member may be formed by a ring having a plurality of bosses extending radially inward and regularly spaced from each other around the motor.
L'invention concerne également un véhicule automobile, comprenant au moins un ensemble du type décrit précédemment.  The invention also relates to a motor vehicle, comprising at least one set of the type described above.
L'invention concerne encore un organe, en particulier de conduction thermique destiné à être monté dans un espace annulaire d'un ensemble décrit ci- dessus, cet organe comprenant une première et une seconde bagues entre lesquelles s'étendent des lamelles élastiquement déformables.  The invention further relates to a member, in particular thermal conduction intended to be mounted in an annular space of an assembly described above, this member comprising a first and a second rings between which elastically deformable lamellae extend.
Les extrémités de chaque lamelle peuvent comprendre une indentation orientée radialement vers l'intérieur ou radialement vers l'extérieur par rapport au reste de la lamelle.  The ends of each lamella may comprise an indentation oriented radially inwards or radially outwards relative to the remainder of the lamella.
La première bague peut également porter deux brides ou oreilles orientées radialement vers l'extérieur pour la fixation sur un support.  The first ring may also carry two flanges or ears oriented radially outwardly for attachment to a support.
L'invention sera mieux comprise et d'autres détails, caractéristiques et avantages de l'invention apparaîtront à la lecture de la description suivante faite à titre d'exemple non limitatif en référence aux dessins annexés dans lesquels :  The invention will be better understood and other details, characteristics and advantages of the invention will appear on reading the following description given by way of non-limiting example with reference to the accompanying drawings in which:
- la figure 1 , déjà décrite précédemment, est une vue schématique en perspective d'un ensemble selon l'art antérieur comprenant un moteur électrique logé dans une enceinte ;  - Figure 1, already described above, is a schematic perspective view of an assembly according to the prior art comprising an electric motor housed in a chamber;
- la figure 2 est une vue schématique en perspective d'un ensemble selon l'invention comprenant un moteur électrique logé dans une enceinte ;  - Figure 2 is a schematic perspective view of an assembly according to the invention comprising an electric motor housed in a chamber;
- la figure 3 est une vue schématique de l'assemblage de l'ensemble de la figure 2 ;  FIG. 3 is a schematic view of the assembly of the assembly of FIG. 2;
- la figure 4 est une vue schématique en perspective d'un organe de conduction thermique élastiquement déformable selon un premier mode de réalisation utilisé dans l'ensemble représenté en figure 2 ;  FIG. 4 is a schematic perspective view of an elastically deformable thermal conduction member according to a first embodiment used in the assembly shown in FIG. 2;
- la figure 5 est une vue schématique en coupe de l'ensemble selon la figure 2 ; - Figure 5 is a schematic sectional view of the assembly according to Figure 2;
- la figure 6 est une vue schématique en perspective d'un deuxième mode de réalisation d'un organe de conduction thermique élastiquement déformable ; - la figure 7 est une vue schématique en perspective d'un troisième mode de réalisation d'un organe de conduction thermique élastiquement déformable. FIG. 6 is a schematic perspective view of a second embodiment of an elastically deformable thermal conduction member; FIG. 7 is a schematic perspective view of a third embodiment of an elastically deformable thermal conduction member.
On se réfère tout d'abord à la figure 2 qui représente un ensemble 13 selon l'invention et dans lequel un organe 14 est monté dans l'espace annulaire 12 entre l'enceinte 4, plus précisément sa surface interne 1 1 sensiblement cylindrique, et la paroi externe 10 sensiblement cylindrique du moteur 2 de manière à venir en appui sur la surface interne 1 1 de l'enceinte 4 et la paroi externe 10 du moteur électrique 2, figure 1 .  Reference is first made to FIG. 2 which represents an assembly 13 according to the invention and in which a member 14 is mounted in the annular space 12 between the enclosure 4, more precisely its substantially cylindrical internal surface 1 1, and the substantially cylindrical outer wall 10 of the engine 2 so as to bear on the inner surface 1 1 of the enclosure 4 and the outer wall 10 of the electric motor 2, FIG.
Dans la réalisation représentée aux figures 2 à 5, l'organe comprend une première bague 15 et une seconde bague 16 entre lesquelles s'étendent, selon l'axe 9 de l'enceinte 4, des lamelles 17 qui sont élastiquement déformables et régulièrement espacées les unes des autres autour de l'axe 9. La première bague 15 porte à son extrémité axiale opposée aux lamelles 17 deux brides radiales 18 ou oreilles chacune percée d'un orifice 19 et formées à l'opposé l'une de l'autre par rapport l'axe 9 de l'enceinte tubulaire 4 ou de l'organe qui se confondent lorsque l'organe 14 est monté centré dans l'enceinte tubulaire 4 (figures 3 et 4). Ces brides 18 sont intercalées entre le pourtour annulaire 8 de sortie de l'enceinte tubulaire 4 et les brides latérales 7 du moteur 2 (figures 2 et 3).  In the embodiment shown in Figures 2 to 5, the member comprises a first ring 15 and a second ring 16 between which extend along the axis 9 of the chamber 4, the slats 17 which are elastically deformable and regularly spaced each other around the axis 9. The first ring 15 carries at its opposite axial end to the lamellae 17 two radial flanges 18 or ears each pierced with an orifice 19 and formed opposite one another relative to the axis 9 of the tubular enclosure 4 or the member which merge when the member 14 is mounted centered in the tubular enclosure 4 (Figures 3 and 4). These flanges 18 are interposed between the annular periphery 8 of the outlet of the tubular enclosure 4 and the side flanges 7 of the engine 2 (Figures 2 and 3).
Chaque lamelle 17 comprend deux premières indentations 20 orientées radialement vers l'intérieur par rapport à la première bague 15 et la seconde bague 16. Ces deux premières indentations 20 définissent deux premières zones d'appui radialement vers l'intérieur sur la paroi externe 10 du moteur électrique 2. Elles définissent entre elles une seconde zone 21 , sensiblement linéaire, d'appui radialement vers l'extérieur sur la surface interne 1 1 de l'enceinte 4. Les première 15 et seconde 16 bagues sont agencées avec un jeu radial par rapport à la paroi externe 10 du moteur 2 et la surface interne 1 1 de l'enceinte 4 (figure 5).  Each lamella 17 comprises two first indentations 20 oriented radially inward with respect to the first ring 15 and the second ring 16. These first two indentations 20 define two first support zones radially inwardly on the outer wall 10 of the electric motor 2. They define between them a second zone 21, substantially linear, bearing radially outwardly on the inner surface 1 1 of the enclosure 4. The first 15 and second 16 rings are arranged with a radial clearance by relative to the outer wall 10 of the engine 2 and the inner surface 1 1 of the enclosure 4 (Figure 5).
Selon l'invention, le coefficient de conduction thermique de l'organe 14 est supérieur à celui de l'air, ce qui permet d'assurer, en fonctionnement, une bonne conduction de chaleur du moteur électrique 2 vers l'enceinte 4. Par exemple l'organe est en aluminium ou cuivre ou tout autre matériau du même type. De plus, lorsque le corps 5 est réalisé dans un matériau bon conducteur de chaleur tel que l'aluminium, et plus conducteur de chaleur que la paroi externe 10 du moteur électrique 2, la conduction de chaleur du moteur 2 vers l'enceinte 4 sera encore facilitée. En fonctionnement, les lamelles 17 élastiquement déformables évitent l'introduction par celui-ci de contraintes statiques supplémentaires sur le moteur 2 solidaire du corps 5. According to the invention, the coefficient of thermal conduction of the member 14 is greater than that of the air, which ensures, in operation, a good heat conduction of the electric motor 2 to the enclosure 4. By example the organ is aluminum or copper or any other material of the same type. In addition, when the body 5 is made of a good heat conducting material such as aluminum, and more heat conductor than the outer wall 10 of the electric motor 2, the heat conduction of the motor 2 to the enclosure 4 will be even easier. In operation, the elastically deformable strips 17 avoid the introduction by it of additional static stresses on the motor 2 integral with the body 5.
La figure 6 représente une variante d'un organe 22 pouvant être logé dans l'espace annulaire. Ce type d'organe présente la forme d'un anneau comportant une pluralité de bossages 23 sensiblement alignés selon l'axe de l'enceinte.  Figure 6 shows a variant of a member 22 can be housed in the annular space. This type of member has the shape of a ring having a plurality of bosses 23 substantially aligned along the axis of the enclosure.
Dans une dernière variante représentée en figure 7, l'organe 24 est formé par un anneau souple constitué d'un mélange de fibres métalliques compressées.  In a last variant shown in Figure 7, the member 24 is formed by a flexible ring consisting of a mixture of compressed metal fibers.
Dans les différentes réalisations représentées aux figures, l'organe présente une fente 25 destinée à permettre son montage par agrandissement de son diamètre autour du moteur de sorte que le diamètre avant montage de l'organe est sensiblement inférieur au diamètre externe du moteur.  In the various embodiments shown in the figures, the member has a slot 25 intended to allow its mounting by enlarging its diameter around the motor so that the diameter before assembly of the member is substantially smaller than the outer diameter of the motor.

Claims

REVENDICATIONS
1. Ensemble (13), en particulier de support d'un moteur d'actionnement d'une vanne dans un véhicule automobile, comprenant un corps (5) formant une enceinte tubulaire (4) dans laquelle est centré un moteur électrique (2) dont une paroi externe (10) délimite extérieurement avec l'enceinte (4) un espace annulaire (12), caractérisé en ce qu'un organe (14, 22, 24) est monté dans l'espace annulaire (12) en contact avec l'enceinte (4) et la paroi externe (10) du moteur électrique (2), le coefficient de conduction thermique de l'organe (14) étant supérieur à celui de l'air. Assembly (13), in particular for supporting a motor for actuating a valve in a motor vehicle, comprising a body (5) forming a tubular enclosure (4) in which is centered an electric motor (2) an outer wall (10) of which externally defines with the enclosure (4) an annular space (12), characterized in that a member (14, 22, 24) is mounted in the annular space (12) in contact with the enclosure (4) and the outer wall (10) of the electric motor (2), the heat conduction coefficient of the member (14) being greater than that of the air.
2. Ensemble selon la revendication 1 , caractérisé en ce que ledit organe (14, 22, 24) est élastiquement déformable et est en appui radialement vers l'extérieur sur l'enceinte (4) et radialement vers l'intérieur sur la paroi externe (10) du moteur (2). 2. The assembly of claim 1, characterized in that said member (14, 22, 24) is elastically deformable and bears radially outwardly on the enclosure (4) and radially inwardly on the outer wall (10) of the engine (2).
3. Ensemble selon la revendication 1 ou 2, caractérisé en ce que l'organe (14) comprend une première bague (15) et une seconde bague (16) entre lesquelles s'étendent une pluralité de lamelles (17) élastiquement déformables espacées les unes des autres autour de l'axe (9) du moteur (2). 3. The assembly of claim 1 or 2, characterized in that the member (14) comprises a first ring (15) and a second ring (16) between which extend a plurality of strips (17) elastically deformable spaced apart. each other around the axis (9) of the engine (2).
4. Ensemble selon la revendication 3, caractérisé en ce que la première bague (15) et la seconde bague (16) sont agencées avec un jeu radial en regard de l'enceinte (4) et de la paroi externe (10) du moteur (2).  4. An assembly according to claim 3, characterized in that the first ring (15) and the second ring (16) are arranged with a radial clearance facing the enclosure (4) and the outer wall (10) of the engine (2).
5. Ensemble selon la revendication 3 ou 4, caractérisé en ce que chaque lamelle (17) comprend deux premières zones d'appui (20) sur l'une de l'enceinte (4) et de la paroi externe (10) du moteur (2) et une seconde zone d'appui (21 ) sur l'autre de l'enceinte (4) et de la paroi externe (10) du moteur (2), cette seconde zone (21 ) étant agencée selon l'axe (9) de l'enceinte (4) entre lesdites deux premières zones (20). 5. The assembly of claim 3 or 4, characterized in that each strip (17) comprises two first bearing zones (20) on one of the enclosure (4) and the outer wall (10) of the engine (2) and a second support zone (21) on the other of the enclosure (4) and the outer wall (10) of the motor (2), this second zone (21) being arranged along the axis (9) of the enclosure (4) between said two first zones (20).
6. Ensemble selon la revendication 5, caractérisé en ce que ladite seconde zone (21 ) de chaque lamelle (17) est en appui linéaire sur l'enceinte (4) ou sur la paroi externe (10) du moteur (2). 6. The assembly of claim 5, characterized in that said second zone (21) of each strip (17) is in linear abutment on the enclosure (4) or on the outer wall (10) of the motor (2).
7. Ensemble selon l'une des revendications 3 à 5, caractérisé en ce que la première bague (15) comprend deux brides (18) ou oreilles radiales s'étendant radialement vers l'extérieur, agencées à l'opposé l'une de l'autre et traversées par des vis de fixation sur le corps (5).  7. Assembly according to one of claims 3 to 5, characterized in that the first ring (15) comprises two flanges (18) or radial ears extending radially outwardly, arranged opposite one of the other and traversed by fixing screws on the body (5).
8. Ensemble selon la revendication 3, caractérisé en ce que l'organe est formé par un anneau (22) comportant une pluralité de bossages (23) s'étendant radialement vers l'intérieur et régulièrement espacés les uns des autres autour du moteur. 8. An assembly according to claim 3, characterized in that the member is formed by a ring (22) having a plurality of bosses (23) extending radially inward and evenly spaced from each other around the engine.
9. Véhicule automobile, caractérisé en ce qu'il comprend un ensemble selon l'une des revendications 1 à 8.  9. Motor vehicle, characterized in that it comprises an assembly according to one of claims 1 to 8.
10. Organe, en particulier de conduction thermique destiné à être monté dans un espace annulaire (12) d'un ensemble selon l'une des revendications 1 à 9, caractérisé en ce qu'il comprend une première (15) et une seconde (16) bagues entre lesquelles s'étendent des lamelles (17). 10. Body, in particular of thermal conduction intended to be mounted in an annular space (12) of an assembly according to one of claims 1 to 9, characterized in that it comprises a first (15) and a second ( 16) between which strips (17) extend.
11. Organe selon la revendication 10, caractérisé en ce que les extrémités de chaque lamelle (17) comprennent une indentation (20) orientée radialement vers l'intérieur ou radialement vers l'extérieur par rapport au reste de la lamelle (17).  11. Body according to claim 10, characterized in that the ends of each lamella (17) comprise an indentation (20) oriented radially inwardly or radially outwardly relative to the remainder of the lamella (17).
12. Organe selon la revendication 10 ou 11 , caractérisé en ce que la première bague (15) porte deux brides (18) ou oreilles orientées radialement vers l'extérieur pour la fixation sur un support.  12. Body according to claim 10 or 11, characterized in that the first ring (15) carries two flanges (18) or ears oriented radially outwardly for attachment to a support.
PCT/FR2016/051427 2015-06-12 2016-06-13 Assembly for supporting an electric motor WO2016198811A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1555398A FR3037451B1 (en) 2015-06-12 2015-06-12 SUPPORT ASSEMBLY OF AN ELECTRIC MOTOR
FR1555398 2015-06-12

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WO2016198811A1 true WO2016198811A1 (en) 2016-12-15

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PCT/FR2016/051427 WO2016198811A1 (en) 2015-06-12 2016-06-13 Assembly for supporting an electric motor

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FR (1) FR3037451B1 (en)
WO (1) WO2016198811A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240776C1 (en) * 1992-12-04 1994-03-17 Daimler Benz Ag Fixing system for fan motor in housing with motor holder receiving motor - supports motor radially and has motor axially fixed also provided with cage rigidly fixed at housing concentrically surrounding motor holder with gap.
JPH09191605A (en) * 1996-01-08 1997-07-22 Shibaura Eng Works Co Ltd Pump motor
DE102008053385A1 (en) * 2007-11-19 2009-05-20 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Electromechanical actuator for operating e.g. automated friction clutch, has ring part provided between housing and flange and provided with sealing characteristics compensating tolerances between flange and housing

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4240776C1 (en) * 1992-12-04 1994-03-17 Daimler Benz Ag Fixing system for fan motor in housing with motor holder receiving motor - supports motor radially and has motor axially fixed also provided with cage rigidly fixed at housing concentrically surrounding motor holder with gap.
JPH09191605A (en) * 1996-01-08 1997-07-22 Shibaura Eng Works Co Ltd Pump motor
DE102008053385A1 (en) * 2007-11-19 2009-05-20 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Electromechanical actuator for operating e.g. automated friction clutch, has ring part provided between housing and flange and provided with sealing characteristics compensating tolerances between flange and housing

Also Published As

Publication number Publication date
FR3037451A1 (en) 2016-12-16
FR3037451B1 (en) 2018-06-15

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