• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a rotary electric machine (1), in particular for a hybrid motor vehicle, for example for a gearbox of a hybrid motor vehicle, comprising: - a stator (10) comprising a stator body (3); a distribution circuit (2) arranged to receive a cooling fluid for cooling the machine (1), this distribution circuit (2) being configured to distribute the fluid towards the inside of the machine (1), the distribution circuit (2) extending at least partially parallel to a plane substantially transverse to an axis (X) of rotation of the machine (1), the distribution circuit (2) having an opening (21), in particular a single opening, configured to allow passing fluid from said circuit (2) to the interior of the machine, the opening being disposed facing at least a solid portion of the side face (4) of the stator body (3).
    公开号:FR3033099A1
    申请号:FR1551386
    申请日:2015-02-19
    公开日:2016-08-26
    发明作者:Lilya Bouarroudj；Jean-Claude Labrosse
    申请人:Valeo Equipements Electriques Moteur SAS；
    IPC主号:
    专利说明:

    [0001] The invention particularly relates to a rotary electrical machine, especially for a hybrid motor vehicle, for example for a gearbox of a hybrid motor vehicle. The patent application WO 2014/032876 describes an electric machine for a motor vehicle, comprising a housing, a stator and at least one cooling duct formed between the housing and the stator. DE102012022453 discloses an electric machine for a motor vehicle comprising a housing, a stator, cooling ducts and a fluid supply channel. The present invention aims at making it possible to produce an electric machine enabling improved performance while simplifying its design. The invention thus relates to a rotating electrical machine, in particular for a hybrid motor vehicle, for example for a gearbox of a hybrid motor vehicle, comprising: a stator comprising a stator body; an arranged distribution circuit; for receiving a cooling fluid for cooling the machine, said distribution circuit being configured to distribute the fluid to the inside of the machine, the distribution circuit extending at least partially parallel to a plane substantially transverse to an axis of rotation of the machine, the distribution circuit comprising an opening, in particular a single opening, configured to allow the passage of the fluid from the circuit to the inside of the machine, the opening being arranged facing at least a solid portion of the machine; lateral face of the stator body. Such an arrangement allows the cooling fluid to flow in contact with the solid portion of the side face of the stator body. Thus, the stator body can be cooled homogeneously at least over the solid portion. Such a distribution circuit enables efficient cooling of the machine 30 by adequate distribution of the cooling fluid in the machine, especially by allowing the fluid to circulate in the hot places of the machine. Thus, the invention allows a better performance of the electric machine. The opening may be configured to dispense the coolant 5 to the side face of the stator body. This allows a homogeneous cooling of the stator. The distribution circuit may extend at least partially along an arc of a circle, this arc being contained in the substantially transverse plane. The arc of circle may form an angle at least equal to 45 °, in particular 100 °, for example 150 °. Advantageously, the distribution circuit may extend at least partially in a complete circle, this circle being contained in the substantially transverse plane. Advantageously, the radius of said circle may be between 40 mm and 110 mm, in particular between 60 mm and 90 mm, for example between 70 mm and 80 mm, said circle being considered with respect to the circular inner wall of said circuit. further away from the axis of rotation of the machine. Advantageously, the radius of said circle may be substantially equal to 77.5 mm. Alternatively, the distribution circuit may extend at least partially in a spiral, at least one turn of the spiral extending substantially in the substantially transverse plane. The distribution circuit may extend at least partially facing the side face of the stator body. Advantageously, the distribution circuit may be axially offset along the axis of rotation of the machine relative to the stator body. The distribution circuit can be configured so that in at least a portion thereof, the fluid can flow substantially parallel to the axis of rotation of the machine. Preferably, the distribution circuit can define an internal height of between 15 and 35 mm, in particular between 20 and 30 mm, for example 3033099 3 substantially equal to 26 mm, height measured along the axis of rotation of the machine. The internal height of the distribution circuit may be substantially constant. The rotating electrical machine may include a housing having at least one through-hole for receiving the fluid, the hole being in fluid communication with the distribution circuit. The stator can be mounted by shrinking in the housing. The distribution circuit can be formed solely by housing walls. The through hole may be formed in a side wall of the housing. Alternatively, the through hole may be formed in a longitudinal wall, in particular a cylindrical wall, of the housing. The through hole may have a section variation between its input and its output, in particular the input may be wider than the output which opens into the distribution circuit.
    [0002] For example, the inlet may be of circular section and the outlet having a section comprising at least one flat, in particular two flats. The stator may comprise an electrical winding of which a portion forms a bun, the bun extending outside the stator body in the direction of the axis of rotation of the machine, the distribution circuit being arranged in such a way that the bun can be isolated from the cooling fluid circulating in the distribution circuit. Such a configuration distributes the fluid without it passing into the bun, the fluid is then effectively distributed directly to other hot areas of the machine.
    [0003] Alternatively, the distribution circuit can be arranged so that the bun can be in contact with the cooling fluid flowing in the distribution circuit. The distribution circuit may define an upper internal height strictly at the height of the bun, height measured along the axis of rotation of the machine. The opening can be annular.
    [0004] The opening advantageously extends in a plane orthogonal to the axis of rotation of the machine. In the plane orthogonal to the axis of rotation of the machine, the opening may comprise concentric inner and outer circular edges.
    [0005] Preferably, the radius of the outer edge is between 40 mm and 110 mm, in particular between 60 mm and 90 mm, for example between 70 mm and 80 mm. Advantageously, the radius of the outer edge may be substantially equal to 77.5 mm.
    [0006] Preferably, the radius of the inner edge is between 35 mm and 105 mm, in particular between 55 mm and 85 mm, for example between 65 mm and 75 mm. Advantageously, the radius of the inner edge may be substantially equal to 71.5 mm.
    [0007] Preferably, the distribution circuit may comprise at least one gutter, in particular annular, comprising the opening defined above. The gutter may extend facing at least a solid portion of the side face of the stator body. Preferably, the opening of the gutter may extend facing at least a solid portion of the side face of the stator body. Such a gutter thus allows the fluid to flow in contact with the solid portion of the side face of the stator body to better distribute the fluid on this solid portion. The gutter may have a bottom into which opens the through hole 25 through which the cooling fluid arrives. The internal volume of the gutter may be between 20 and 80 cm3, especially between 30 and 70 cm3, for example between 40 and 60 cm3. Advantageously, said volume may be substantially equal to 49 cm3. This arrangement allows the fluid to flow with a flow rate for optimized and homogeneous cooling.
    [0008] 3033099 5 The gutter can define a lower internal height strictly at the height of the bun. Alternatively, the gutter can define an internal height greater than or equal to the height of the bun.
    [0009] The trough may have first and second side walls facing each other. Preferably, the machine comprises a rotor and one of the first and second side walls is arranged to prevent the flow of fluid from the gutter to the rotor.
    [0010] Preferably, the first sidewall may be formed by the housing wall. Preferably, the annular groove may have substantially a U-shaped section, the section being observed in a plane containing the axis of rotation.
    [0011] Alternatively, the annular groove may have substantially a "V" shaped cross-section, the section being viewed in a plane containing the axis of rotation. The second side wall can be arranged to face the bun.
    [0012] Preferably, when the machine is observed along the axis of rotation, the gutter is disposed between the bun and the housing. Preferably, the second side wall may be arranged to be in contact with the side face of the stator body. The electric machine may have a seal, the seal being disposed between the stator body and the distribution circuit. Such a seal allows a better distribution of the fluid from the distribution circuit to the stator body. The second side wall may extend in the direction of the axis of rotation from the inner side face of the housing to the side face of the stator body.
    [0013] The distribution circuit may comprise a plurality of adjacent annular gutters, each gutter having a through hole through which the cooling fluid arrives, the gutters being insulated from each other by side walls.
    [0014] The rotating electrical machine may comprise at least one channel separate from the distribution circuit and configured to allow the flow of at least a portion of the fluid from the distribution circuit, the flow being in the direction of the axis of rotation . Preferably, the channel may be formed at least partially: in the thickness of the housing wall, or in the thickness of the stator body, or between the housing and the stator body. Preferably, over part of its length, the channel is formed according to one of the preceding configurations.
    [0015] Preferably, on another part of its length, it is formed according to another of the preceding configurations. The channel can be configured so that its section is substantially constant over its entire length. The channel may be formed by smooth walls so as not to disturb the flow of the fluid. Advantageously, the channel may be formed by a portion of the inner wall of the housing and a portion of the outer wall of the stator body. The portion of the inner wall of the housing may be a cylinder portion centered on the axis.
    [0016] The portion of the outer wall of the stator body may comprise a rib arranged to cooperate with the inner wall of the housing, the bottom of this rib having for example an arcuate shape. Alternatively, the portion of the outer wall of the stator body may be a cylinder portion centered on the axis.
    [0017] The inner wall of the housing may comprise a rib arranged to cooperate with the stator body to form the channel, the bottom of this rib having for example a circular arc shape. Alternatively, the channel may be entirely formed in the thickness of the stator body 5, in particular by a through hole in said body. Alternatively, the channel may be entirely formed in the thickness of the housing wall, in particular by a through hole formed in the housing. The channel may be configured to open into the distribution circuit, in particular via the opening of said circuit, so that the fluid coming from the distribution circuit circulates in the channel. Preferably, the distribution circuit may be configured to allow the fluid to pass into the channel without passing through the bun on its way. Alternatively, the distribution circuit may be configured to allow fluid passing through the channel, to cross the bun on its way.
    [0018] The channel may be configured to open on either side of the stator body. Preferably, the channel may be configured to open, at least on one side face of the stator body, radially between the bun and the inner wall of the housing.
    [0019] Alternatively, the channel may be configured to open, at least on one side face of the stator body, radially between the bun and the axis of rotation of the machine. Preferably, in a plane orthogonal to the axis, the channel defines an angular aperture of between 3 ° and 30 °, in particular between 5 ° and 15 °, for example substantially equal to 10 °. In a plane orthogonal to the axis, the channel may define a height strictly less than 10 mm, in particular less than 4 mm, for example less than or equal to 2 mm. Preferably, in a plane orthogonal to the axis, the channel may define a height substantially equal to 1 mm.
    [0020] Alternatively, in a plane orthogonal to the axis, the channel may have a section substantially shaped portion of crown. The rotating electrical machine may have a plurality of cooling channels.
    [0021] Preferably, the channels may be isolated from each other, at least along the stator body. Alternatively, the channels may be in fluid communication, at least along the stator body. The channels may be in a number between 3 and 30, especially between 10 and 30, for example between 10 and 20. Advantageously, the machine may comprise 18 channels. Preferably, the channels can be distributed equiangularly around the axis of rotation of the machine. The channels can be parallel to each other.
    [0022] Preferably, the channels may be parallel to the axis. The channels may be symmetrical to one another by rotational symmetry. Preferably, the distribution circuit may be configured to distribute the fluid to the interior of the machine so that it passes through all channels, including substantially homogeneously. Preferably, the distribution circuit may be configured to distribute the fluid to the interior of the machine so that it passes exclusively into the channels, in particular substantially homogeneously in each channel. The machine may comprise an outlet arranged for discharging the fluid towards the outside of the machine, in particular towards the outside of the casing. The outlet may comprise at least one orifice in the housing, in particular a plurality of orifices. The machine can be configured so that the fluid passing through the outlet is discharged from the machine, especially out of the housing, by gravity.
    [0023] The machine can be configured so that the fluid discharged through the outlet passes through the gutter in its path.
    [0024] The machine may be arranged so that the fluid is under pressure at least between the distribution circuit and the channel. The fluid may be a heat transfer liquid, in particular viscous liquid, for example an oil.
    [0025] The invention further relates to a motor vehicle system, including hybrid, comprising: - the electric machine as described above, - a pump arranged to bring into the machine fluid, including heat transfer fluid, under pressure.
    [0026] The system may include a cooling loop for cooling the fluid prior to entry into the machine by the pump. The system may comprise a gearbox, the pump being arranged to further bring the fluid into the gearbox. The system can be configured for the electric machine to operate a shaft of the gearbox. The invention will be better understood on reading the following detailed description of examples of non-limiting embodiments of the invention, and on examining the appended drawing, in which: FIG. schematically and partially in section, a system comprising a rotating electrical machine according to an exemplary implementation of the invention; - Figure 2 shows, partially and in section, the housing and the rotor body of the machine of the FIG. 3 shows, in section along a plane orthogonal to the axis of rotation of the machine, the rotor and the casing of FIG. 2. FIG. 1 shows a system 16 for a motor vehicle. , in particular a hybrid, comprising: - a rotary electric machine 1, the operation of which will be described hereinafter, - a pump 13 arranged to bring pressure-cooling oil into the machine, a reservoir 14 for the oil recovery leaving the machine 1 and in which the pump 13 is immersed, - a cooling loop 15 for cooling the oil before entering the electric machine 1.
    [0027] In the example considered, the system 16 of FIG. 1 is coupled to a gearbox 18. The pump 13 is arranged to further bring the fluid into the gearbox 18. The rotary electric machine 1 comprises a shaft 17 rotated, the shaft actuating the gearbox 18 of a motor vehicle.
    [0028] The machine 1 is thus able to operate in an alternator mode to supply, in particular, power to the battery and to the on-board vehicle network, and in a motor mode, not only to start the engine of the vehicle, but to also to participate in the traction of the vehicle alone or in combination with the engine.
    [0029] More specifically, the rotating electrical machine 1 comprises: - a housing 5, - a rotor 23 rotatably mounted inside the stator 3, around the shaft 17, the housing 5 being configured to rotate the shaft 17 via ball bearings, - a stator 10 having a stator body 3, the stator 10 being mounted by shrinking in the housing 5, the stator 10 surrounding the rotor 23 so as to define an air gap between the inner periphery of the stator 10 and the outer periphery of the rotor 23 - a distribution circuit 2 arranged to receive a cooling fluid for cooling the machine 1, this distribution circuit 2 being configured to distribute the fluid towards the inside of the machine 1, the circuit of distribution extending at least partially parallel to a plane substantially transverse to an axis of rotation X of the machine 1, the distribution circuit 2 having a single annular opening 21 configured to allow the p fluid supply of the circuit 2 towards the inside of the machine 1, the opening 21 being disposed facing at least a full portion 26 of the lateral face 4 of the stator body 3.
    [0030] The annular opening 21 is configured to distribute the cooling fluid to the lateral face 4 of the stator body 3. The rotor 23 comprises a body 24 in the form of a packet of sheets of diameter substantially equal to 155 mm. Permanent magnets 22 are implanted in openings of the body 24. The magnets 22 may be of rare earth or ferrite depending on the applications and the desired power of the machine 1. Alternatively, the poles of the rotor 23 may be formed by coils. The stator 10 comprises a body 3 in the form of a pack of sheets provided with notches, for example of the semi-closed type, equipped with slot insulator for mounting an electrical winding of the stator 10. The winding comprises a set of phase windings passing through the notches of the body 3 of the stator 10 and forming buns 7 projecting on either side of the body 3 of the stator 10, in the direction of the axis of rotation X. Phase windings 15 are obtained here from conductive elements in the form of pins interconnected for example by welding. These windings are, for example, three-phase windings connected in a star or in a triangle. The outputs of the phase windings are connected to a rectifier bridge comprising rectifying elements such as diodes or MOSFET transistors, especially when it is a reversible machine. The distribution circuit 2 extends opposite the lateral face 4 of the stator body 3 and is axially offset along the axis of rotation X of the machine, with respect to the stator body 3. The housing 5 has a through-hole The hole 6 is formed in a side wall of the casing 5 and is in fluid communication with the distribution circuit 2. The distribution circuit 2 is formed solely by walls of the casing 5. The distribution circuit 2 is arranged in such a way that the bun 7 is isolated from the cooling fluid circulating in the distribution circuit 2.
    [0031] The distribution circuit 2 has a height greater than the height of the bun 7, height measured along the axis of rotation X of the machine.
    [0032] In the plane orthogonal to the axis of rotation X of the machine, the opening 21 has concentric inner and outer circular edges. In the example considered, the radius R1 of the circular outer edge of the aperture is about 77.5 mm and the radius R2 of the circular inner edge of the aperture is about 71.5 mm. In the example shown, the distribution circuit 2 comprises a single annular groove 8 having the opening 21. The channel 8 has a bottom 25 into which opens the through hole 6 through which the cooling fluid arrives.
    [0033] The annular groove 8 has substantially a U-shaped cross-section, the section being observed in a plane containing the axis of rotation X. The internal volume of the trough 8 is about 49 cm 3. The gutter has first 12 and second 9 side walls facing one another.
    [0034] The first 12 and second 9 plane side walls are arranged to prevent the flow of fluid from the trough 8 to the rotor 23. The first side wall 12 is formed by the wall of the housing 5. The second side wall 9 is arranged to 7. In the example shown, when the machine 1 is observed along the axis of rotation X, the channel 8 is disposed between the bun 7 and the casing 5. The second side wall 9 is in contact with the lateral face 4 of the stator body 4. The second side wall 9 extends, in the direction of the axis of rotation X, from the internal lateral face of the casing 5 to the lateral face 4 of the stator body 3. The rotary electrical machine 1 has a plurality of channels 11 separate from the distribution circuit 2 and configured to allow the flow of the fluid from the distribution circuit 2, the flow being in the direction of the rota axis X.
    [0035] The channels 11 are formed between the casing 5 and the stator body 3.
    [0036] The channels 11 open into the distribution circuit 2, via the opening 21 of said circuit 2, so that the fluid coming from the distribution circuit 2 circulates in the channels 11. The distribution circuit 2 is configured to enable the fluid to pass 5 in the channels 11 without crossing the buns 7 on its way. The channels 11 open on either side of the stator body 3. The machine 1 comprises an outlet 19 arranged to discharge the fluid towards the outside of the casing 5. The outlet 19 has a plurality of orifices in the casing 5.
    [0037] The machine 1 is configured so that the fluid passing through the outlet 19 is discharged out of the machine by gravity. The machine 1 is configured so that the fluid discharged through the outlet 19 passes through the gutter 8 in its path. The machine 1 is arranged so that the fluid is under pressure between the distribution circuit 2 and the channels. In the example under consideration, the fluid is an oil. FIG. 2 shows a detail of the casing 5 and of the stator body 3 according to the invention, the winding being not shown. When the machine 1 is observed along the axis of rotation X, the distribution circuit 2 defines a constant internal height of about 26 mm. The through hole 6 has a section variation between its input and its output. In the example shown, the input is wider than the output that opens into the distribution circuit 2.
    [0038] In the example under consideration, the inlet is of circular section and the section of the outlet comprises two flats. FIG. 3 shows a sectional view along AA of the detail of FIG. 2. The distribution circuit 2 extends in a circle of radius R1 equal to 77.5 mm, said circle being considered in relation to the circular inner wall of said circuit 2 furthest from the axis of rotation X.
    [0039] In the example considered, the radius R1 of said circle along which the distribution circuit 2 extends is substantially equal to the radius of the stator body 3. In a plane parallel to the substantially transverse plane, the channel 8 extends in view of at least one solid portion 26 of the lateral face 4 of the stator body 3. The opening 21 of the trough 8 extends facing at least one solid portion 26 of the lateral face 4 of the body of the stator 3. In the example shown, the channel 8 extends opposite all the channels 11 into which they open.
    [0040] Each channel 11 has a substantially constant section over its entire length. The channels 11 are formed by a portion of the inner wall of the housing 5 and a portion of the outer wall of the stator body 3. The portion of the inner wall of the housing 5 is a cylinder portion centered on the axis. The portion of the outer wall of the stator body 3 comprises a rib 27 arranged to cooperate with the inner wall of the housing 5, the bottom 20 of the rib 27 being a cylinder portion centered on the axis. The channels 11 open on the lateral face 4 of the stator body 3, 20 radially between the bun 7 and the inner wall of the casing 5. In the example shown, the channels 11 open on the lateral face 4 of the stator body 3, radially between the first 12 and second 9 walls of the channel 8. In a plane orthogonal to the axis X, the channels 11 each define an angular aperture substantially equal to 10 ° and a height substantially equal to 2 mm. In a plane orthogonal to the X axis, each channel 11 has a section substantially in the form of a crown portion. The channels 11 are isolated from each other along the stator body 3.
    [0041] The machine 1 comprises 18 channels 11 distributed equiangularly about the axis of rotation X of the machine 1.
    [0042] The channels 11 are parallel to each other and parallel to the axis X. The channels 11 are symmetrical to each other by rotation symmetry.
    权利要求:
    Claims (15)
    [0001]
    REVENDICATIONS1. Rotating electric machine (1), in particular for a hybrid motor vehicle, for example for a gearbox of a hybrid motor vehicle, comprising: - a stator (10) comprising a stator body (3), - a distribution circuit ( 2) arranged to receive a cooling fluid for cooling the machine (1), this distribution circuit (2) being configured to distribute the fluid towards the inside of the machine (1), the distribution circuit (2) is extending at least partially parallel to a plane substantially transverse to an axis (X) of rotation of the machine (1), the distribution circuit (2) comprising an opening (21), in particular a single opening, configured to allow the passage of the fluid of said circuit (2) towards the inside of the machine, the opening (21) being arranged facing at least one solid portion (26) of the lateral face (4) of the stator body (3).
    [0002]
    2. Electric machine (1) according to the preceding claim, the distribution circuit (2) extending at least partially in a complete circle, this circle being contained in the substantially transverse plane.
    [0003]
    3. Electrical machine (1) according to one of the preceding claims, the machine (1) having a housing (5) having at least one through hole (6) for receiving the fluid, the hole (6) being in fluid communication with the distribution circuit (2).
    [0004]
    4. Electrical machine (1) according to any one of the preceding claims, the stator (10) comprising an electric winding of which a portion forms a bun (7), the bun (7) extending outside the stator body ( 3) in the direction of the axis of rotation (X), the distribution circuit (2) being arranged so that the bun (7) can be isolated from the cooling fluid circulating in the distribution circuit (2) . 3033099 17
    [0005]
    5. Electrical machine (1) according to any one of the preceding claims, the distribution circuit (2) comprising a gutter (8), in particular 5 annular, having the opening (21).
    [0006]
    6. Electric machine (1) according to claim 5, in a plane parallel to the substantially transverse plane, the channel (8) extending facing at least a solid portion (26) of the lateral face (4) of the body stator (3). 10
    [0007]
    7. Electrical machine (1) according to claim 5 or 6, the channel (8) having substantially a U-shaped section, the section being observed in a plane containing the axis of rotation (X). 15
    [0008]
    8. Electric machine (1) according to any one of claims 5 to 7, the machine comprising a rotor (23) and the channel (8) having first (12) and second (9) side walls facing one on the other, one of the walls (9) being arranged to prevent the flow of fluid from the trough (8) to the rotor (23)). 20
    [0009]
    9. Electrical machine (1) according to any one of the preceding claims, the machine (1) having at least one channel (11) separate from the distribution circuit (2) and configured to allow the flow of at least a portion fluid from the distribution circuit (2), the flow being in the direction of the axis of rotation (X).
    [0010]
    10. Electrical machine (1) according to claim 9, the channel (11) being configured to open into the distribution circuit (2), in particular via the opening (21) of said circuit (2), so that the fluid in from the distribution circuit (2) flows in the channel (11).
    [0011]
    Electric machine (1) according to one of claims 9 or 10, the machine (1) having a plurality of channels (11) and the distribution circuit (2) being configured to distribute the fluid to the inside the machine (1) so that it passes through all the channels (11), in particular substantially homogeneously. 5
    [0012]
    Electric machine (1) according to one of the preceding claims, the machine (1) having an outlet arranged to discharge the fluid to the outside of the machine (1), and the machine (1) being configured in a manner the fluid passing through the outlet is discharged from the machine (1) by gravity. 10
    [0013]
    13. System (16) for a motor vehicle, in particular a hybrid vehicle, comprising: - the electric machine (1) according to any one of claims 1 to 12, - a pump (13) arranged to bring fluid into the machine, in particular coolant, under pressure.
    [0014]
    14. System (16) according to the preceding claim, comprising a cooling loop (15) for cooling the fluid before entering the machine by the pump (13).
    [0015]
    15. System (16) according to the preceding claim, comprising a gearbox, the pump (13) being arranged to further bring the fluid into the gearbox. 20 25
    类似技术:
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    同族专利:
    公开号 | 公开日
    DE112016000819T5|2017-11-23|
    FR3033099B1|2018-06-15|
    WO2016132060A1|2016-08-25|
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    DE102020103437A1|2020-02-11|2021-08-12|Schaeffler Technologies AG & Co. KG|Electric drive device and drive arrangement|
    DE102020112510A1|2020-05-08|2021-11-11|Schaeffler Technologies AG & Co. KG|Electric drive device and drive arrangement|
    DE102020114604A1|2020-06-02|2021-12-02|Schaeffler Technologies AG & Co. KG|Rotary electric machine and drive assembly|
    法律状态:
    2016-02-29| PLFP| Fee payment|Year of fee payment: 2 |
    2016-08-26| PLSC| Publication of the preliminary search report|Effective date: 20160826 |
    2017-02-28| PLFP| Fee payment|Year of fee payment: 3 |
    2018-02-26| PLFP| Fee payment|Year of fee payment: 4 |
    2019-02-28| PLFP| Fee payment|Year of fee payment: 5 |
    2020-02-28| PLFP| Fee payment|Year of fee payment: 6 |
    2021-02-26| PLFP| Fee payment|Year of fee payment: 7 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1551386|2015-02-19|
    FR1551386A|FR3033099B1|2015-02-19|2015-02-19|ROTATING ELECTRIC MACHINE, IN PARTICULAR FOR A HYBRID MOTOR VEHICLE|FR1551386A| FR3033099B1|2015-02-19|2015-02-19|ROTATING ELECTRIC MACHINE, IN PARTICULAR FOR A HYBRID MOTOR VEHICLE|
    PCT/FR2016/050349| WO2016132060A1|2015-02-19|2016-02-16|Electrical rotating machine especially for a hybrid motor vehicle|
    DE112016000819.8T| DE112016000819T5|2015-02-19|2016-02-16|Electric rotary machine, preferably for a hybrid motor vehicle|
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