WO2015144156A1 - Actionneur et procédé pour le fabriquer - Google Patents

Actionneur et procédé pour le fabriquer Download PDF

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Publication number
WO2015144156A1
WO2015144156A1 PCT/DE2015/200107 DE2015200107W WO2015144156A1 WO 2015144156 A1 WO2015144156 A1 WO 2015144156A1 DE 2015200107 W DE2015200107 W DE 2015200107W WO 2015144156 A1 WO2015144156 A1 WO 2015144156A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
stator
actuator
electronic module
electric motor
Prior art date
Application number
PCT/DE2015/200107
Other languages
German (de)
English (en)
Inventor
Julian Botiov
Jürgen GERHART
Original Assignee
Schaeffler Technologies AG & 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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112015001422.5T priority Critical patent/DE112015001422A5/de
Publication of WO2015144156A1 publication Critical patent/WO2015144156A1/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
    • F16D65/00—Parts or details
    • F16D65/78—Features relating to cooling
    • 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
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/72—Features relating to cooling
    • 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
    • F16D28/00—Electrically-actuated clutches
    • 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
    • F16D29/00—Clutches and systems of clutches involving both fluid and magnetic actuation
    • F16D29/005—Clutches and systems of clutches involving both fluid and magnetic actuation with a fluid pressure piston driven by an electric motor
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/02—Overheat protection, i.e. means for protection against overheating
    • F16D2300/021—Cooling features not provided for in group F16D13/72 or F16D25/123, e.g. heat transfer details
    • 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
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/26—Cover or bell housings; Details or arrangements thereof

Definitions

  • the invention relates to an actuator, in particular Hydrostataktor for a motor vehicle and a method for its production with at least one electric motor with a introduced and fixed in a first housing part stator and connected to a stator winding by at least one housing part lines connected, accommodated in a second housing part and attached electronic module.
  • Generic actuators are preferably used in drive trains for the actuation of friction clutches or manual transmissions.
  • a downstream of an electric motor gear converts the rotational movement of the electric motor in an axial movement.
  • the axial movement is used directly to actuate a friction clutch via a corresponding disengagement mechanism or as known from DE 10 201 1 014 939 A1, the operation of a master cylinder.
  • This master cylinder which is integrated into the housing of the electric motor, actuates a slave cylinder attached to the friction clutch or a similar device in a so-called hydrostatic actuator.
  • the actuator is actuated by a control device which may be accommodated in a housing connected to the motor housing of the electric motor or is housed separately spatially, wherein in the housing connected to the motor housing at least one electronic module is housed with at least one circuit board, the power electronics for Contains control of the electric motor. Due to the high power of the electric motor, frequent actuation processes and the like, both the power electronics and the electric motor, in particular the stator of an electronically commutated electric motor (BDLC) develop heat, which can lead to a load on the components used. There are therefore sometimes expensive heat sinks to control the heat balance of the actuator necessary.
  • BDLC electronically commutated electric motor
  • the object of the invention is the simplification and robust design of an actuator and an improved production of such an actuator.
  • the proposed actuator is preferred in motor vehicles, for example as a clutch actuator, switching actuator, brake actuator or the like, in particular as Hydrostataktor for actuating a friction clutch or the friction clutches of a dual clutch used two electric motors.
  • the actuator contains at least one electric motor.
  • the electric motor is preferably designed as a brushless, electronically commutated electric motor, the stator having a stator winding with a plurality of phases, which are energized by an electronic module based on Winkelinkrement- sensors and thus a rotation angle of a rotor relative to the stator.
  • the electronic module contains a housed on a printed circuit board control and power electronics.
  • the stator is sealed in a housing part relative to a housing part housed with the electronic module.
  • the lines to the individual phases are carried out between the two housing parts.
  • the housing parts as a one-piece, heat-conducting housing, for example, made of aluminum or its alloys, preferably by means of a die-casting process.
  • the housing forms a heat sink for both the stator and the electronics module without the use of additional components.
  • a housing wall is provided between an installation space of the stator and a construction space of the electronic module which has complementary contact surfaces for the stator and the electronic module which are in contact with preferably the largest heat-generating components or are connected by means of heat-conducting paste.
  • the resulting heat is essentially distributed over the entire housing volume and can be emitted via the surface thereof, which may have cooling fins and the like, or is derived by means of its mechanical connections to a vehicle body or the like.
  • a heat sink for the stator is produced by contact of a frontal, preferably annular contact surface with a complementary first contact surface of a stator and electronic module separating housing wall.
  • the contact surface of the stator is preferably formed metallic.
  • the stator winding of the stator is formed encapsulated, preferably encapsulated or cast.
  • a torque support such as torque support, which provides a rotationally fixed reception of the stator in the housing, may be provided in the enclosure.
  • the stator can be accommodated by means of its encapsulation by means of a slight interference fit in a hollow cylindrical design of the housing, which forms the housing part for receiving the electric motor.
  • the stator can be screwed axially fixed by means provided on the enclosure tabs with eyelets with the housing.
  • the encapsulation can furthermore form axial formations, for example an annular collar, which form a sealing surface with complementary structures such as an annular groove, wherein preferably a liquid seal between collar and annular groove may be formed.
  • the lines of the phases of the stator winding are guided through corresponding openings in the housing and conductively connected to the electronic module.
  • the lines are formed of copper wire or stamped grid, which can be looped between the stator and the electronics module, for example, S-shaped design to compensate for temperature-related changes in distance between the stator and the electronics module.
  • the distance between the lines to the openings is dimensioned so that sufficient insulation is provided without having to coat the line.
  • At least one further contact surface is provided on the side of the housing wall opposite the contact surface with the stator, which forms a heat sink for the electronic module with respect to one or more complementary contact surfaces of the electronic module or its components, for example heat generating lines of the high-performance transistors, their heat sinks and the like.
  • the contact surfaces for the stator and / or the electronics module and its components are machined in order to set a correct contact with them.
  • heat transfer can serve thermal paste.
  • the contact surfaces may be coated, for example, be provided with a copper layer or the like.
  • the plug for connecting the actuator to a control device and / or a power supply is applied to the electronic module.
  • the electronics module When the electronics module is installed in the housing, it is sealed against the housing.
  • the cover can be easily made of plastic and does not have to function as a heat sink.
  • the non or less populated side of the electronic module such as printed circuit board (PCB)
  • PCB printed circuit board
  • the lid preferably faces the lid, so that apart from any stiffening ribs that may be present, it can be made substantially smooth inside.
  • the housing wall facing side of the circuit board is equipped with a plurality of components, wherein the housing wall to form the contact surfaces of the heat sink relative to the electronics module or components depending on the circuit board design can be profiled according to axially.
  • the actuator may be provided for the actuation of a double clutch by two juxtaposed, similar electric motors are provided in the common, one-piece housing with a single common electronic module.
  • the stator or its stator winding of the at least one electric motor is provided with an encapsulation comprising at least the stator winding, for example encapsulated or encapsulated.
  • the stator is rotationally fixed by means of the encapsulation and introduced tightly into the housing to form a heat sink with respect to the housing.
  • the electronic module with the specified components for control and power transmission and a plug is connected to form a heat sink of the electronic module with the housing.
  • the lines of the phases of the stator winding are connected to the electronic module.
  • a space of the electronic module is closed to the outside by means of a lid and a seal of the plug relative to the housing.
  • a pre-testable function module can be formed from the housing and the electronics module, and then the at least one electric motor can be introduced into the housing.
  • the plastic encapsulated, or molded, formed from the stator to the stator winding BLDC stator can be mounted in the actuator housing by a slight interference fit, or a transition fit at room temperature.
  • the torque support and the stabilization of the stator unit in the housing under given vibration conditions are realized with the following variants:
  • the BLDC stator is aligned and supported on other functional elements of the actuator, for example by means of crush ribs on the Statorumspritzung and on the bearing carrier to form a structure made of plastic with crush ribs in the tangential direction and
  • an installation space of the BLDC stator unit or of the complete electric motor and a construction space of the electronic module in the housing are sealed against each other, so that no fluids from the environment of the application can penetrate into the installation space of the electronic module.
  • a liquid seal between the housing of the actuator and the rear wall as the front side of the stator is provided.
  • the rear wall of the stator may be both a part of a complete plastic encapsulation of the stator, or even a separate component which is attached and sealed against the stator and, for example, as a carrier of the lines of the phases of the stator winding (U, V, W) and optionally serve for a part of the additional shuttering of the motor phases.
  • the plug of the electronic module is preferably attached to the housing and sealed from a housing wall of the housing.
  • the lead frame of the plug or socket for the connection to the electronic module can, for example, be encapsulated in plastic, inserted into the plastic housing of the plug or the like connected and is conductively connected to the electronic module, for example, soldered or connected by means of a pressfit.
  • the printed circuit board (PCB) of the electronic module including all electronic components, is fastened with screwed connections in a trough provided therefor, for example by means of self-tapping screws.
  • the thermal connection of the printed circuit board for de-heating with respect to the housing takes place by connecting contact surfaces of the housing with cooling surfaces of the printed circuit board or its components by means of a thermal adhesive, a thermal compound or the like.
  • the three phases of the stator winding which are designed either as copper wires or as punched grid, are contacted with the corresponding electrical interfaces on the electronics module, for example by resistance welding, laser welding, soldering or Pressfit pins. If the lines of the phases are designed as punched grids (blades), an S-shaped punch geometry can be provided in the punching direction, so that a temperature compensation between stator and electronic module can be provided in a compact space.
  • the following variants are advantageous for the embodiment of the lid of the construction space with the electronics module in relation to the environment:
  • a lid made of plastic can be advantageously provided a function assurance of electrical insulation for the three phases when they touch the lid.
  • different stiffening structures such as ribs, local thickenings, optional mounting interfaces for pressure compensation elements and the like may be provided in a simple way.
  • the plastic variant offers significantly deeper structures for applying a sealing adhesive, for example for sealing the electronics module, which increases the length of the sealing path in cross-section and, correspondingly, the robustness of the seal in the event of media action of the surroundings of the actuator.
  • the sealing of the lid relative to the housing takes place for example by means of a solid seal or due to an improved assembly safety, robustness and adaptability to component tolerances by means of a liquid seal.
  • a liquid gasket is preferably used if two electric motors and separate installation spaces are provided in each case for one electronic module, for example for actuating a double clutch, in order to better seal branches of the sealing path at the separation point of the installation spaces.
  • the design of the housing may include different variants with respect to different applications.
  • a single housing for the actuation of two friction clutches of a double clutch can be provided to reduce the space in the engine compartment of the motor vehicle.
  • a single space for the electronic module for both electric motors can be provided.
  • the electronic module can be formed from a single circuit board. Advantage here is the union of the two circuit boards.
  • separate installation spaces and separate electronic modules can be provided for each electric motor.
  • the lid can hermetically separate both installation spaces from each other. As a result, the reliability of each electric motor can be increased independently of the other.
  • the proposed actuator has the following advantages:
  • heat sink heat sink
  • electronics shielding the housing and housing support / seal and protection against environment at the same time for the at least one electric motor and the electronics module, reducing the space required by compact design
  • the EMC shielding function is completely or partially fulfilled by the one-piece housing,
  • Figure 3 is a 3D view of a relative to the housing of Figure 2 modified
  • FIG. 4 shows the stator of the actuator of FIG. 1 in a 3D view
  • FIG. 5 shows the stator of FIG. 4 in a 3D partial view from a different angle
  • FIG. 6 shows a detail of the stator of FIGS. 4 and 5 in a 3D partial view
  • FIG. 7 shows a stator slightly modified with respect to the stator of FIGS. 4 to 6
  • FIG. 8 is a 3D view of the stator slightly modified relative to the stators of FIGS. 4 to 7;
  • FIG. 10 shows a connection of a lid made of sheet metal to the housing of FIG Figure 1 in partial section
  • Figure 1 1 is a connection of a lid made of plastic on the housing of Figure 1 in partial section.
  • FIG. 1 shows the actuator 1 with the housing 2 common to the installation space 3 for the stator, preferably the BLDC stator of an electric motor and the electronics module 4.
  • the further structure for example a planetary roller gear for the translation and conversion of the rotational speed of the rotor of the electric motor (not shown) 3 in a linear movement and a downstream master cylinder whose piston is actuated linearly by the electric motor to form a Hydrostataktors is omitted and is at least partially accommodated in the remaining space 5 of the housing 2.
  • the housing wall 8 is provided which forms common heat sinks 10, 1 1 for the stator 9 of the electric motor 3 and the electronic module 4.
  • the stator 9 is torque-supported pressed into the space 5 and contacted to form the heat sink 10 with the provided on the end face 12, the complementary provided on the housing 8 annular contact surface 13.
  • the dome 14 passes through the opening 15 in the housing 8.
  • the lines 18 formed, for example, as punched grid of the stator winding 19 formed for example of three phases such as motor phases are guided through openings 20 of the housing 8, preferably at the contact surface 12 to the electronic module 4 and fixed there conductive.
  • the contact surface 21 for forming the heat sink 1 1 with respect to heated components such as power transistors, the heat sink, lines and the like provided.
  • the contact surface 21 is also annular in the exemplary embodiment shown, but may be topographically adapted to a topography of the layout of the printed circuit board 22 of the electronic module 4.
  • FIG. 1 The connection of the electronic module to the outside by means of the plug 23, which is tightly connected to the housing 2 and is conductively connected by means of the punched grid 24 to the circuit board 22.
  • Figures 2 and 3 show two different embodiments of housings 2, 2a, each with two installation spaces 5 for accommodating two electric motors and their other structures, for example, for actuating a double clutch in 3D view.
  • the housing 2 of Figure 2 includes a single space 6 for a single, both electric motors controlling and operating by means of power electronics electronic module.
  • an annular contact surface 21 is provided in the housing wall 8.
  • the openings 15, 20 serve to pass through the stator 14 of the stator 9 and the lines 18 of the stator winding 19 (FIG. 1).
  • FIG. 3 shows the housing 2 a from a different angle of view, from which the reinforcing ribs 25 arranged on the housing 2 a corresponding to the housing 2 can be seen.
  • the Verste Trentsrippen 25 are tool falling into the means of a
  • Stiffening ribs 25 for increasing the area of the outer surface of the housing 2 for heat transport resulting in the stator 9 and in the electronics module 4 heat by convection and radiation through the heat sinks 10, 1 1 ( Figure 1) of the stator 9 and the electronic module 4.
  • the housing 2a has two separate from each other by means of the partition wall 26 installation spaces 6a, 6b for each two separate electronic modules for the two housed in the installation space 5 electric motors.
  • FIG. 4 shows a modified embodiment with respect to the stator 9 of FIG.
  • the stator 9a shown has the at least partial encapsulation or encapsulation with the profiled outer diameter 27a, which encapsulates the stator winding to the outside.
  • the encapsulation takes place by means of encapsulation or encapsulation with plastic material.
  • Encapsulation in addition to the function as an insulator other functions are provided to accommodate the stator 9a in the space 5 of the housing 2, 2a of Figures 1 to 3 torque-based and axially fixed.
  • radially expanded flaps 28a having eyelets 29a with metal sleeves 30a are formed with sufficient radial space from the profiled outer diameter 27a of the overmolding of the stator 9a, against which the stator 9a in the housing 2, 2a or other embodiments is rotationally fixed and axially firmly recorded, for example, is screwed.
  • the strength of the tabs 28a is at least as far enough to support the torque of the electric motor relative to the housing 2, 2a.
  • FIGS. 5 and 6 show the stator of FIG. 1 in a 3D view or in detail.
  • the stator bellow package preferably has a profiled outer diameter 27 to minimize the assembly forces in the case of a press fit in the actuator housing.
  • the Overmoulding / plastic extrusion coating of the stator 9 has circumferentially arranged profilings 31, 32, for example in the form of crush ribs, tongue and groove connections and the like, which are the positioning and torque support of the stator 9 relative to the housing 2 or to other components of the actuator, for example serve a bearing carrier, not shown.
  • FIG. 7 shows a further embodiment of a stator 9b in a 3D view, in which only partially formed lugs 28b are provided in the encapsulation of the stator 9b
  • Torque support are provided relative to the housing to save space radially.
  • FIGS. 8 and 9 show the stator 9 with an advantageous embodiment of the lines 18 designed as punched grid.
  • the lines are longitudinal. Nal shaped S-shaped.
  • FIG. 10 shows a possible connection of the lid 7 made of plastic to the housing 2 of FIG. 2 in partial section.
  • the liquid seal 33 or sealing adhesive is provided, which is formed between the circumferential groove 34 of the lid 7 and the engaging, circumferential collar 35 of the housing 2.
  • the attachment of the lid 7 to the housing by means of the housing 2 cross snap hook 36th
  • FIG. 11 shows a connection of the cover 7a, which is an alternative to the connection of FIG. 10, to the housing 2.
  • the cover 7a is made of sheet metal, for example as a deep-drawn part.
  • the attachment of the lid 7a takes place by means of folded around the housing 2, for example flanged tabs 37 to form a positive connection with the housing.
  • the sealing takes place by means of a peripheral seal 38, for example a sealing adhesive.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

L'invention concerne un actionneur, en particulier un actionneur hydrostatique destiné à un véhicule automobile, ainsi qu'un procédé pour le fabriquer. L'actionneur comprend au moins un moteur électrique équipé d'un stator, monté et fixé dans un premier élément de boîtier, et un module électronique qui est monté et fixé dans un second élément de boîtier et qui est relié à un enroulement statorique au moyen de câbles traversant au moins un élément de boîtier. Le but de l'invention est de fabriquer un tel actionneur de façon robuste et simple. A cet effet, les éléments de boîtier forment un boîtier monobloc conduisant la chaleur et le boîtier est conçu comme un dissipateur de chaleur destiné au stator et au module électronique.
PCT/DE2015/200107 2014-03-24 2015-02-26 Actionneur et procédé pour le fabriquer WO2015144156A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112015001422.5T DE112015001422A5 (de) 2014-03-24 2015-02-26 Aktuator und Verfahren zu deren Herstellung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014205440 2014-03-24
DE102014205440.0 2014-03-24

Publications (1)

Publication Number Publication Date
WO2015144156A1 true WO2015144156A1 (fr) 2015-10-01

Family

ID=52705909

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2015/200107 WO2015144156A1 (fr) 2014-03-24 2015-02-26 Actionneur et procédé pour le fabriquer

Country Status (2)

Country Link
DE (1) DE112015001422A5 (fr)
WO (1) WO2015144156A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016206206A1 (de) 2016-04-13 2017-10-19 Volkswagen Aktiengesellschaft Statorlamellenpaket für eine Elektromaschine bzw. Elektromaschine mit einem derartigen Statorlamellenpaket und Verfahren zur Herstellung einer solchen Elektromaschine
DE102017125254A1 (de) 2017-10-27 2019-05-02 Schaeffler Technologies AG & Co. KG Vorrichtung zur Verstellung des Verdichtungsverhältnisses eines Hubkolbenmotors
DE102019102713A1 (de) 2018-02-06 2019-08-08 Schaeffler Technologies AG & Co. KG Antriebseinheit
WO2021197995A1 (fr) 2020-04-03 2021-10-07 Sonceboz Mechatronics Boncourt Sa Actionneur électrique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010047800A1 (de) * 2009-10-29 2011-05-05 Schaeffler Technologies Gmbh & Co. Kg Hydrostatischer Kupplungsaktor
DE102011014939A1 (de) 2010-04-09 2011-10-13 Schaeffler Technologies Gmbh & Co. Kg Geteiltes Schwungrad
DE102011014932A1 (de) * 2010-04-12 2011-10-13 Schaeffler Technologies Gmbh & Co. Kg Hydrostataktor und Anordnung eines Hydrostataktors in einem Kraftfahrzeug
DE102012206306A1 (de) * 2011-05-05 2012-11-08 Schaeffler Technologies AG & Co. KG Betätigungsvorrichtung für eine Doppelkupplung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010047800A1 (de) * 2009-10-29 2011-05-05 Schaeffler Technologies Gmbh & Co. Kg Hydrostatischer Kupplungsaktor
DE102011014939A1 (de) 2010-04-09 2011-10-13 Schaeffler Technologies Gmbh & Co. Kg Geteiltes Schwungrad
DE102011014932A1 (de) * 2010-04-12 2011-10-13 Schaeffler Technologies Gmbh & Co. Kg Hydrostataktor und Anordnung eines Hydrostataktors in einem Kraftfahrzeug
DE102012206306A1 (de) * 2011-05-05 2012-11-08 Schaeffler Technologies AG & Co. KG Betätigungsvorrichtung für eine Doppelkupplung

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016206206A1 (de) 2016-04-13 2017-10-19 Volkswagen Aktiengesellschaft Statorlamellenpaket für eine Elektromaschine bzw. Elektromaschine mit einem derartigen Statorlamellenpaket und Verfahren zur Herstellung einer solchen Elektromaschine
DE102017125254A1 (de) 2017-10-27 2019-05-02 Schaeffler Technologies AG & Co. KG Vorrichtung zur Verstellung des Verdichtungsverhältnisses eines Hubkolbenmotors
DE102019102713A1 (de) 2018-02-06 2019-08-08 Schaeffler Technologies AG & Co. KG Antriebseinheit
WO2021197995A1 (fr) 2020-04-03 2021-10-07 Sonceboz Mechatronics Boncourt Sa Actionneur électrique
FR3109034A1 (fr) 2020-04-03 2021-10-08 Sonceboz Mechatronics Boncourt Sa Actionneur électrique

Also Published As

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