WO2016177394A1 - Accouplement d'arbres - Google Patents

Accouplement d'arbres Download PDF

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Publication number
WO2016177394A1
WO2016177394A1 PCT/EP2015/059723 EP2015059723W WO2016177394A1 WO 2016177394 A1 WO2016177394 A1 WO 2016177394A1 EP 2015059723 W EP2015059723 W EP 2015059723W WO 2016177394 A1 WO2016177394 A1 WO 2016177394A1
Authority
WO
WIPO (PCT)
Prior art keywords
hub
shaft
sleeve
shaft coupling
hubs
Prior art date
Application number
PCT/EP2015/059723
Other languages
English (en)
Inventor
Ivar Alm
Original Assignee
Volvo Truck Corporation
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 Volvo Truck Corporation filed Critical Volvo Truck Corporation
Priority to PCT/EP2015/059723 priority Critical patent/WO2016177394A1/fr
Publication of WO2016177394A1 publication Critical patent/WO2016177394A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
    • F16D1/04—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like with clamping hub; with hub and longitudinal key
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/08—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key
    • F16D1/0852—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft
    • F16D1/0858—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end with clamping hub; with hub and longitudinal key with radial clamping between the mating surfaces of the hub and shaft due to the elasticity of the hub (including shrink fits)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0034—Materials; Production methods therefor non-metallic
    • F16D2200/0039—Ceramics
    • F16D2200/0043—Ceramic base, e.g. metal oxides or ceramic binder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/006—Materials; Production methods therefor containing fibres or particles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0061—Joining
    • F16D2250/0069—Adhesive bonding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive

Definitions

  • the present invention relates to a shaft coupling for coupling of two shafts such as e.g. an input/output shaft of an electric machine to an input/output shaft of a transmission in a vehicle drivetrain.
  • the invention is applicable in e.g. heavy-duty vehicles, such as trucks, buses and construction equipment. Although the invention will be described with respect to a heavy-duty vehicle, the invention is not restricted to this particular vehicle, but may also be used in other vehicles such as e.g. passenger cars.
  • Electric machines of full electric powertrain vehicles or hybrid vehicles are generally associated with high voltage.
  • such applications are generally associated with stringent safety regulations. From a safety perspective it is desirable that such applications are sufficiently shielded, such that no person or engine component accidently may come in contact with the high voltage application. This applies both to the high voltage application as such as well as to components in contact with the high voltage application. Even if being shielded, for high voltage applications there is also a risk that if there is a high electrical potential difference between the high voltage application and another component flashover may occur. The propensity of a flashover to occur is, except for the difference in electrical potential, e.g. dependent on the distance between the engine components with different electric potential.
  • An input/output shaft of an electric machine and an input/output shaft of a transmission, to which the electric machine is transferring torque may e.g. have different electric potential.
  • the electric machine is securely electrically insulated from the transmission, both in that the housing of the electrical machine needs to be insulated from the housing of the transmission but also in that the input/output shaft of the electric machine needs to be insulated from the input/output shaft of the transmission.
  • the torque transferred between an electric machine and a transmission is generally transferred at relatively high rpm which adds additional requirements to the interface between the shafts.
  • US 7 514 635 discloses a shaft coupling and a method of producing such shaft coupling. According to the shaft coupling of US 7 514 635 two electrically conducting connecting pieces are rotatably connected in an electrically insulating manner by an insulating tube. The electrical insulation is provided by that said tube is made of a fibre-reinforced polymer or like and by that a cavity is formed inside the insulating tube.
  • US 7 514 635 the end of respective electrically conducting piece needs to be specifically adapted in order to be able to receive said tube and in order to secure that the electrically conducting pieces not are accidently moved within said cavity such that they come in contact with each other. Further, a problem with what is disclosed in US 7 514 635 is that the coupling of US 7 514 635 needs to be of substantial length in order to not having the two electrically conducting elements arranged to close to each other. Arranging the two electrically conducting elements, which have different electric potential, to close to each other will increase the risk of flashover to occur.
  • An object of the present invention is to provide an improved shaft coupling for interconnecting shafts that needs to be electrically insulated in respect to each other, such as e.g. an input/output shaft of an electric machine and an input/output shaft of a transmission in a fully electric or hybrid vehicle drivetrain.
  • Other type of shafts may also advantageously be coupled by the shaft coupling of the present invention.
  • the object is achieved by a shaft coupling according to claim 1 . Further advantageous aspects of the present invention are disclosed in the dependent claims.
  • the present invention further relates to a drivetrain comprising such shaft coupling and to a vehicle comprising a drivetrain comprising such shaft coupling.
  • a high voltage application such as an electric machine is electrically insulated from a shaft of an interconnected transmission.
  • the shaft coupling needs to be able to manage high rpms, high torque and cannot add too much weight or require too much space.
  • a shaft coupling providing electrical insulation and at the same time not requiring additional space, meaning e.g.
  • a hub of respective shaft to each other by means of a shaft coupling comprising an electrically insulating sleeve, securely arranging the hubs to each other, and an electrically insulating partitioning wall, arranged to the sleeve, electrically separating the hubs of respective shaft from each other.
  • the present invention refers to a shaft coupling for coupling e.g. an input/output shaft of an electric machine to e.g. an input/output shaft of a transmission in a vehicle drivetrain.
  • the shafts coupled by the shaft coupling of the present invention will hereafter be referred to as shaft of electric machine and shaft of transmission, or simply the shafts, although the shaft coupling of to the present invention is also suitable for drivingly coupling other shafts.
  • the shaft coupling comprises a first hub configured to be arranged to the shaft of e.g. an electric machine and a second hub configured to be arranged to e.g. a shaft of a transmission.
  • the first hub and the second hub are drivingly interconnected.
  • the shaft coupling of the present invention may also be used to interconnect other shafts that need to be interconnected in an electrically insulating manner.
  • the shaft coupling further comprises a sleeve and a partitioning wall, wherein the first and second hubs when interconnected are arranged on each side of the partitioning wall. Since the electric machine is able to operate at considerable rpms the sleeve is preferably arranged essentially coaxially to the first and second hubs.
  • the sleeve is arranged to the first and second hubs by that a surface of the first hub is fixed to a first surface of the sleeve and a surface of the second hub is fixed to a second surface of the sleeve.
  • the first and second surfaces of the sleeve may be different parts of a larger surface of the sleeve such as e.g. different parts of an inside surface of the sleeve.
  • the sleeve and the partitioning wall are made of electrically insulating material in order to electrically insulate e.g. the shaft of the electric machine from the shaft of the transmission.
  • an electric device that may be used both as an electric motor, providing power to a drivetrain, or as a generator, enabling energy regenerating from e.g. brake regeneration.
  • the partitioning wall may be arranged such that a space is formed between the partitioning wall and respective axial surface of the first and/or second hub or the partitioning wall may be arranged such that at least a part of respective axial surface of the first and/or second hub abuts respective axial surface of the partitioning wall.
  • the space may be filled with a suitable filling material such as e.g. a polymeric foam in order to prevent that e.g. wear deposits, waste oil etc. are accumulated within the space.
  • a suitable filling material such as e.g. a polymeric foam
  • the hubs may be provided with a hollowing. This will be disclosed more in detail in the detailed description.
  • the sleeve is arranged coaxially outside of the first and second hubs wherein a radial outside surface of respective first and second hubs are fixed to a first and second radial inside surface of the sleeve.
  • the sleeve is made of wound fiberglass composite.
  • the first and second hubs are made of metal such as e.g. steel.
  • suitable materials for the sleeve, the partioning wall and the hubs and the present invention should not be considered to be limited by these examples.
  • the requirement of the hubs is that they need to be made of a material providing suitable strength, rigidity, wear resistance etc. and the sleeve and the partitioning wall, in addition to being sufficiently strong and rigid to securely hold together the shaft coupling, need to be electrically insulating.
  • the first and second hubs are fixed to respective first and second surface of the sleeve by means of at least one fastening means in a group of fastening means consisting of: adhesive, splines and press fitting.
  • suitable fastening means are all adequate and well known means to ensure that respective hub is sufficiently fastened to the sleeve but also other ways of fastening the hubs to the sleeve may be used.
  • one of the first and second hubs comprises an axially extending male part and the other hub comprises an axially extending female part configured to receive the axially extending male part such that a male-female coupling is provided.
  • This aspect of the present invention provides the advantage that the coupling of the hubs is further enhanced in radial direction by the interacting male-female interconnecting parts.
  • one of the first or second hubs is arranged to coaxially enclose the other hub such that a radial outside surface of the enclosed hub is facing a radial inside surface of the enclosing hub.
  • the sleeve is arranged between the radial outside surface of the enclosed hub and the radial inside surface of the enclosing hub wherein a radial inside surface of the sleeve is fixed to the radial outside surface of the enclosed hub and a radial outside surface of the sleeve is fixed to the radial inside surface of the enclosing hub.
  • the partitioning wall is arranged between the axial surfaces of the first and second hub.
  • the hub may be part of an end portion of a shaft, wherein the hub is not a separate component but instead the end portion of the shaft is formed as a hub.
  • a shaft coupling wherein one hub is configured to enclose the other hub may e.g. be preferred due to engine packaging requirements and a shaft coupling wherein an end of one of the shafts is formed as a hub may e.g. be preferred from a manufacturing perspective.
  • the present invention further relates to a drivetrain comprising an electric machine, a transmission and a shaft coupling according to any aspect, or a combination of aspects of the present invention.
  • the shaft coupling is configured for providing an electrically isolating coupling of a shaft of e.g. an electric machine to e.g. a shaft of a transmission.
  • the shaft coupling is arranged inside of a transmission housing of a transmission.
  • the present invention also relates to a vehicle comprising such a drivetrain.
  • Fig. 1 shows a heavy-duty vehicle comprising a drivetrain comprising a shaft coupling according to an aspect of the present invention
  • Fig. 2 shows a first embodiment of a shaft coupling according to the present invention
  • Fig. 3a-d show further embodiments of aspects of the present invention.
  • Fig. 1 shows a heavy-duty vehicle V comprising an internal combustion engine ICE and a drivetrain DT, wherein the drivetrain DT in turn comprises a control unit CU, a transmission TR, an electric machine EM and a shaft coupling 1 .
  • the internal combustion engine ICE is drivingly coupled to the transmission TR and the electric machine EM is drivingly coupled to the transmission TR via the shaft coupling 1 .
  • the control unit CU is configured to control the operations of the drivetrain DT and the internal combustion engine ICE.
  • the transmission TR is drivingly coupled to driven wheels in order to transmit torque from the electric machine or the engine to the driven wheels. The connection between the transmission and the driven wheels is performed in a known way and it is not disclosed in the figures.
  • the embodiment of the shaft coupling 1 of fig. 2 shows how a first hub 4 is arranged to a first shaft, preferably an input/output shaft 2 of the electric machine EM, and a second hub 5 is arranged to a second shaft, preferably an input/output shaft 3 of the transmission TR.
  • a first hub 4 is arranged to a first shaft, preferably an input/output shaft 2 of the electric machine EM
  • a second hub 5 is arranged to a second shaft, preferably an input/output shaft 3 of the transmission TR.
  • the shafts that are interconnected by the shaft coupling 1 are hereafter referred to as the shaft 2 of the electric machine EM and the shaft 3 of the transmission TR, or simply the shafts 2, 3, but it should be highlighted that a shaft coupling 1 according to the present invention may be used also to drivingly interconnect also other shafts.
  • the first and the second hub 4, 5 are arranged to respective shaft 2, 3 using splines, wherein the inside splines 19 of the first and second hubs 4, 5 interact with the outside splines 20 of the first and second shafts 2, 3 to arrange respective hub 4, 5 to respective shaft 2, 3.
  • other means of fastening the hubs 4, 5 to respective shaft 2, 3 are possible such as by means of e.g. an adhesive or by press fitting.
  • the first and second hubs 4, 5 are interconnected by a sleeve 6, wherein the sleeve 6 is arranged to coaxially enclose the first and the second hub 4, 5.
  • a radial outside surface 24 of the first hub 4 is arranged to a first inside surface 26 of the sleeve 6 and a radial outside surface 25 of the second hub 5 is arranged to a second inside surface 36 of the sleeve 6.
  • the first and second radial inside surfaces 26, 36 of the sleeve 6 are parts of a larger radial inside surface of the sleeve 6.
  • Respective outside surfaces 24, 25 of the hubs 4, 5 are fastened to respective inside surfaces 26, 36 of the sleeve 6 by means of a suitable fastening means.
  • Such fastening means may e.g. be, but is not limited to, one of or a combination of fastening means in a group of fastening means comprising an adhesive, by using splines and by using press fitting.
  • the shaft coupling 1 further comprises a partitioning wall 7.
  • the partitioning wall 7 is arranged between the first hub 4 and the second hub 5 to form an inner circular surface within the sleeve 6 such that an outer circumference of the partitioning wall 7 seals against an inner circumference of the sleeve 6.
  • the first and second hubs 4, 5 are arranged such that an axial surface 21 , 31 of respective first and second hubs 4, 5 abut the first and second axial surfaces 27, 28 of the partitioning wall 7.
  • Such arrangement enables the shaft coupling 1 to be compact, which is preferable from a packaging perspective.
  • first and/or second hubs 4, 5 at a distance from the partitioning wall 7 such that a space is formed between a first and second axial surface 27, 28 of the partitioning wall 7 and the axial surfaces 21 , 31 of respective first and second hubs 4, 5.
  • the present invention is not to be considered to be limited by this embodiment. Variations of the shaft coupling, of which a few will be discussed below, are considered to also fall within the scope of the present invention.
  • the sleeve 6 and the partitioning wall 7 of the shaft coupling 1 are made of electrically insulating material such that the first shaft, preferably a shaft 2 of an electric machine EM, and the second shaft 3, preferably a shaft of a transmission TR, are electrically insulated from each other.
  • the sleeve 6 and the partitioning wall 7 may be manufactured from the same electrically insulating material or by different electrically insulating materials, and the material may be, but is not limited to, a fiberglass composite.
  • the first and second hubs 4, 5 are further provided with a hollowing 29.
  • the hollowing 29 may be configured and arranged differently without affecting important properties such as e.g. wear ability, strength and rigidity adversely.
  • the configuration of the hollowing 29 of fig. 1 has the advantage that an outer part in radial direction of respective hub, which is arranged to the sleeve 6, is slightly flexible in relation to the sleeve 6.
  • Fig. 3a, 3b, 3c and 3d shows four further exemplifying embodiments of shaft couplings 1 a, 1 b, 1 c, 1 d which all are considered to be within the scope of the present invention.
  • the shaft coupling 1 a, 1 b, 1 c, 1 d is configured to drivingly interconnect, different aspects of the shaft couplings 1 a, 1 b, 1 c, 1 d are most suitable, of which a few embodiments are disclosed below.
  • Fig. 3a shows an exemplifying embodiment of a shaft coupling 1 a wherein a first hub 4a is configured to receive a first shaft (not shown), such that the first hub 4a is enclosing the first shaft when the first hub 4a is arranged to the first shaft, and a second hub 5a is configured to be coupled to a second shaft (not shown) by that an end portion of the second shaft encloses a protruding portion 12a of the second hub 5a.
  • the first and second hubs 4a, 5a are arranged at distance from a partitioning wall 7a.
  • a radial inside through hole 1 1 a which is configured to receive a shaft, of the first hub 4a is provided with inside splines 19a and that the protruding portion 12a of the second hub 5a is provided with outside splines 20a.
  • suitable means of fastening a shaft to respective first and second hubs 4a, 5a such as e.g. by using an adhesive or by using press fitting, is considered to be within the scope of the present invention.
  • the first hub 4a comprises a hollowing 29a and the second hub 5a comprises a differently configured hollowing 30a.
  • Fig. 3b shows another exemplifying embodiment of a shaft coupling 1 b wherein a first hub 4b is formed by an end portion of a shaft 10.
  • a sleeve 6c and a partitioning wall 7b may be arranged to the first hub 4b when being manufactured.
  • the first and the second hubs 4b, 5b are arranged such that at least a portion of respective first and second hub 4b, 5b abuts the partitioning wall 7b.
  • a radial inside through hole 1 1 b which is configured to receive a shaft, of the second hub 5b is provided with inside splines 19b.
  • Fig. 3c shows an exemplifying embodiment of a shaft coupling 1 c wherein a second hub 5c is arranged to coaxially enclose a first hub 4c such that a radial outside surface 24c of the enclosed first hub 4c is facing a radial inside surface 25c of the enclosing second hub 5c.
  • a sleeve 6c is arranged between the radial outside surface 24c of the first hub 4c and the radial inside surface 25c of the second hub 5c, wherein a radial inside surface 26c of the sleeve 6c is fixed to the radial outside surface 24c of the first hub 4c and a radial outside surface 36c of the sleeve 6c is fixed to the radial inside surface 25c of the second hub 5c.
  • a partitioning wall 7c is arranged inside the sleeve 6c such that the first and second hubs 4c, 5c are separated by the sleeve 6c and the partitioning wall 7c. In the embodiment shown in fig.
  • the partitioning wall 7c abuts the second hub 5c but is arranged at an axial distance from the first hub 4c. Further, in the embodiment shown in fig. 3c a radial inside through hole 1 1 c, which is configured to receive a shaft, of the first hub 4c is provided with inside splines 19c and a protruding portion 12c of the second hub 5c is provided with outside splines 20c.
  • Fig. 3d shows an exemplifying embodiment of a shaft coupling 1 d wherein a first hub 4d and a second hub 5d are formed as a male part 9 and as a female part 8 such that a male-female coupling is provided.
  • the female part 8 of the first hub 4d comprises an axially extending hollowing and the male part 9 of the second hub 5d comprises an axially extending protrusion, wherein the axially extending hollowing of the female part 8 is configured to interact with the axially extending protrusion of the male part 9.
  • a first shaft 2d is arranged to the first hub 4d and a second shaft 3d is arranged to the second hub 5d.
  • a sleeve 6d coaxially encloses the first and second hubs 4d, 5d and a partitioning wall 7d is arranged between the first and second hubs 4d, 5d, inside of the sleeve 6d.
  • the partitioning wall 7d is configured to follow the hollowing and protrusion of the female part 8 and the male part 9 such that the partitioning wall 7d forms a partitioning wall, separating the first hub 4d from the second hub 5d and sealing against an inner circumference of the sleeve 6d, which provides electrical insulation between the first shaft 2d and the second shaft 3d.
  • the embodiment of the shaft coupling 1 d of fig. 3d may e.g. be advantageous where additional support of the coupling in radial direction is required or when the shaft coupling 1 d is required to handle exceptionally high rpms since the male-female coupling may further ensure that the first and second hubs 4d, 5d are aligned.
  • fig. 3d discloses one example of how a male-female coupling according to the present invention may be configured.
  • Other configurations and variations of interacting female parts and male parts, comprising mutually interacting protrusions, hollowings and like, are also considered to be within the scope of the present invention.

Abstract

L'invention se rapporte à un accouplement d'arbres destiné à coupler par exemple un arbre d'entrée/de sortie d'une machine électrique, par exemple, à un arbre d'entrée/de sortie d'une transmission d'un groupe motopropulseur de véhicule. L'accouplement d'arbres comprend un premier moyeu configuré de sorte à être placé sur un premier arbre et un second moyeu configuré de sorte à être placé sur un second arbre, le premier moyeu et le second moyeu étant reliés l'un à l'autre en entraînement. L'accouplement d'arbres comprend en outre un manchon et une paroi de séparation. Une fois reliés l'un à l'autre, les premier et second moyeux sont placés sur chaque côté de la paroi de séparation. Le manchon est placé de manière coaxiale sur le premier et le second moyeu, une surface du premier moyeu étant fixée à une première surface du manchon et une surface du second moyeu étant fixée à une seconde surface du manchon. Le manchon et la paroi de séparation sont composés d'un matériau électro-isolant afin d'isoler électriquement le premier arbre du second arbre.
PCT/EP2015/059723 2015-05-04 2015-05-04 Accouplement d'arbres WO2016177394A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/059723 WO2016177394A1 (fr) 2015-05-04 2015-05-04 Accouplement d'arbres

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2015/059723 WO2016177394A1 (fr) 2015-05-04 2015-05-04 Accouplement d'arbres

Publications (1)

Publication Number Publication Date
WO2016177394A1 true WO2016177394A1 (fr) 2016-11-10

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019016072A1 (fr) * 2017-07-21 2019-01-24 Kwd Kupplungswerk Dresden Gmbh Embrayage et procédé pour sa fabrication
DE102018205993A1 (de) 2018-04-19 2019-10-24 Zf Friedrichshafen Ag Elektrische Entkopplung von E-Maschine und Antriebsstrang im Fahrzeug
CN110621898A (zh) * 2017-07-14 2019-12-27 宝马股份公司 耦合装置
WO2022117347A1 (fr) * 2020-12-01 2022-06-09 Atlas Copco Industrial Technique Ab Dispositif de transfert de couple destiné à être utilisé avec un outil électrique
WO2022238623A1 (fr) * 2021-05-14 2022-11-17 Mirka Ltd Ensemble arbre de rotor, procédé de fabrication d'ensemble arbre de rotor et dispositifs comprenant l'ensemble arbre de rotor
BE1029641B1 (nl) * 2021-07-30 2023-02-27 Atlas Copco Airpower Nv As samenstel

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CN116529027A (zh) * 2020-12-01 2023-08-01 阿特拉斯·科普柯工业技术公司 用于与动力工具一起使用的扭矩传递装置
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