• 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:
    SUMMARY The present invention relates to a device (I) for liquid cooling of an electric motor (1) and a transmission configuration (40, 42, 44), which electric motor (1) comprises a rotor (10) with a rotor shaft (12) and a winding stator (30), and wherein the transmission configuration (40, 42, 44) comprises a transmission shaft (42a, 44a), the rotor (10) and the transmission configuration (40, 42, 44) being mounted supported by a support configuration, characterized by means (60, 42). 72, 74) to supply a liquid (0) for said cooling via said support configuration (52, 54) so that both the electric motor (1) and the said transmission configuration (42, 44) are cooled. The present invention also relates to a process for water cooling an electric motor and a transmission configuration. The present invention also relates to a platform.
    公开号:SE1351091A1
    申请号:SE1351091
    申请日:2013-09-20
    公开日:2015-03-21
    发明作者:Viktor Lassila；Oskar Prinsback
    申请人:BAE Systems Hägglunds Aktiebolag；
    IPC主号:
    专利说明:

    TECHNICAL FIELD The invention relates to a process for water cooling of an electric motor according to the preamble of claim 1. The invention relates to a device for claiming an electric device according to the invention. to a motor vehicle.
    BACKGROUND During operation, electric motors are heated, whereby cooling is required to dissipate the heat. Cooling of an electric motor can take place by means of different types of cooling medium such as e.g. air, water or oil.
    In the case of, for example, high-performance electric motors, efficient cooling is extremely important for achieving good performance. The cooling of the active parts of the electric motor directly affects its performance. Water cooling by means of, for example, oil can thereby lead to efficient cooling of the electric motor and consequently improve the performance of the electric motor.
    Furthermore, such electric motors are connected to transmissions in the form of, for example, reduction shafts which also require cooling and lubrication.
    OBJECT OF THE INVENTION An object of the present invention is to provide a method for liquid cooling of an electric motor and a transmission configuration which entails simple and efficient cooling thereof. An object of the present invention is to provide a device for liquid cooling of an electric motor and a transmission configuration which entails simple and efficient cooling of the same.
    SUMMARY OF THE INVENTION These and other objects, which will become apparent from the following description, are accomplished by a method and apparatus for water cooling of an electric motor and transmission configuration of the type initially indicated and further having the features set forth in the jug-drawing portion of the appended independent patent. Preferred embodiments of the method and device are defined in the appended dependent claims.
    According to the invention, the objects are achieved with a method for liquid cooling of an electric motor and a transmission configuration, which electric motor comprises a rotor with a rotor shaft and a winding stator, and wherein the transmission configuration comprises transmission shaft, the rotor and transmission configuration being supported by means of a standing configuration; a liquid for said cooling via said stand configuration on so salt that both said electric motor and said transmission configuration are cooled. This enables efficient cooling of both electric motor and transmission configuration with few components in that an already existing stand configuration is used for the cooling of both electric motor and transmission configuration where the cooling liquid is used to lubricate the transmission. This also enables cost-effective and compact construction.
    According to one embodiment of the process, said liquid is oil-based.
    This enables efficient cooling as oil is an effective cooling water. Furthermore, it is possible to use oil in an oil sump of a vehicle, where the electric motor and transmission configuration are integrated in a housing configuration with said oil sump at the bottom of the housing, whereby the oil in the oil sump is supplied via the stand configuration for cooling and lubrication of electric motor and transmission transmission configuration.
    According to an embodiment of the method, said support configuration has a main extension plane substantially perpendicular to the axial direction of said axes. This results in space-efficient support of the electric motor and transmission configuration.
    According to one embodiment of the method, at least one nozzle for supplying liquid for said cooling is supported by means of said support configuration. This results in a simple design that enables efficient cooling of the electric motor and transmission configuration.
    According to an embodiment of the method, said stand configuration is arranged between one end of the electric motor on one side and said transmission configuration on the other. This results in a simple design for storage of electric motor and transmission configuration.
    According to an embodiment of the method, said stand configuration is arranged outside the same electric motor as said transmission configuration seen in the axial direction of said shafts. This enables a compact construction.
    According to the invention, the objects are achieved with a device for water cooling of an electric motor and a transmission configuration, which electric motor comprises a rotor with a rotor shaft and a winding stator, and wherein the transmission configuration comprises transmission shaft, the rotor and transmission configuration being supported by a further means configuration. to supply a liquid for said cooling via said stand configuration in such a way that both said electric motor and said transmission configuration are cooled. This enables efficient cooling of both electric motor and transmission configuration with few components in that an already existing stand configuration is used for the cooling of both electric motor and transmission configuration where the cooling liquid is used for lubrication of the transmission. This also enables cost-effective and compact construction.
    According to an embodiment of the device, said liquid is oil-based. This enables efficient cooling, as oil is an efficient cooling water. Furthermore, it is possible to use oil in an oil sump of a vehicle, where the electric motor and the transmission configuration are integrated in a housing configuration with said oil sump at the bottom of the housing, the oil in the oil sump being supplied via the stand configuration for cooling and lubricating the electric motor and transmission configuration.
    According to an embodiment of the device, said support configuration has a main extension plane substantially perpendicular to the axial direction of said axes. As a result, efficiently supported electric motor support and transmission configuration are obtained.
    According to an embodiment of the device, at least one nozzle for supplying liquid for said cooling is arranged to be supported by means of said stand configuration. This results in a simple design that enables efficient cooling of the electric motor and transmission configuration.
    According to an embodiment of the device, said support configuration is arranged between one spirit of the electric motor on one side and said transmission configuration on the other. This results in a simple design for electric motor storage and transmission configuration.
    According to an embodiment of the device, said stand configuration is arranged outside the electric motor as said transmission configuration seen in the axial direction of said shafts. This enables a compact construction.
    According to an embodiment of the device, said support configuration is constituted by a cradle element. Because the stand configuration consists of a cradle element, a robust construction is obtained in which channels for supplying said liquid via the cradle element for cooling can easily be arranged to run in the cradle element on whichever hot spot and with which hot hot number of inlets and outlets for optinizing cooling of power note and transmission configuration.
    According to an embodiment of the device, said ninth configuration consists of a spoke configuration. Because the stand configuration consists of a spoke configuration, a stable and weight-efficient construction is obtained where channels for supplying said liquid via the cradle element can easily be arranged to run in spokes of the spoke configuration for the cooling of electric motor and transmission configuration.
    DESCRIPTION OF THE DRAWINGS The present invention will be better understood by reference to the following detailed description of the drawings taken in conjunction with the accompanying drawings, in which like reference numerals appear in like manner throughout the many views, and in which: Fig. 1 schematically illustrates a platform according to an embodiment of the present invention. invention; Fig. 2 schematically illustrates a side view of a standing configuration supported electric motor and transmission configuration, partly in axial cross-section, with a device for water cooling of the electric motor and the transmission configuration according to an embodiment of the present invention; Fig. 3 schematically illustrates a side view of a stand configuration supported electric motor and transmission configuration, partly in axial cross-section, with a device for water cooling of the electric motor and the transmission configuration according to an embodiment of the present invention; Fig. 4 schematically illustrates an axial cross-sectional side view of a support configuration of a water cooling device according to an embodiment of the present invention; Fig. 5 schematically illustrates an axial cross-sectional side view of a support configuration of a water cooling device according to an embodiment of the present invention; Fig. 6 schematically illustrates a view seen in the axial direction of a support configuration of a water cooling device according to an embodiment of the present invention; and Fig. 7 schematically illustrates a view seen in the axial direction of a support configuration of a water cooling device according to an embodiment of the present invention; Fig. 8 schematically illustrates a block diagram of a method for water cooling of an electric motor and transmission configuration according to an embodiment of the present invention.
    DESCRIPTION OF EMBODIMENTS The term "support configuration is arranged to support nozzles" to support one or more nozzles, wherein the nozzles according to a variant consist of separate nozzles supported by the support configuration and according to a variant of nozzles forming an integral part. constitutes machining in the stand configuration with nozzle function.
    Referring to Fig. 1, a platform P is shown in which the platform P is included in a group comprising motor vehicles such as military vehicles, work vehicles, passenger cars, boats, helicopters or the like, a power station, which as an electrically powered machine or similar device where the device includes an electric motor and a transmission configuration for operation thereof. The platform P comprises at least one electric motor 1 and a transmission configuration comprising a device I; II in liquid cooling 7 of the electric motor 1 and a transmission configuration according to the present invention.
    Fig. 2 schematically illustrates a side view of an electric motor 1 and a transmission configuration 40 with a device I for water cooling of the electric motor 1 and the transmission configuration 40 according to an embodiment of the present invention. The electric motor 1 and the transmission configuration 40 are included in a drive device.
    The electric motor 1 is of the inner rotor type comprising a rotor 10 and a winding stator 30. By electric motor 1 of inner rotor type is meant an electric motor 1 where the stator 30 is arranged to enclose the rotor 10. The outer surface of the rotor 10 is arranged adjacent and separated from the inner surface of the stator 30. The rotor 10 is according to a variant built up of rotor plates stacked on top of each other, not shown. The rotor 10 is arranged concentrically relative to the stator 30.
    The rotor 10 is connected to a rotor shaft 12 which forms a drive shaft. The rotor 10 is arranged to rotate the rotor shaft 12.
    The stator 30 is according to a variant built up of stator plates stacked on top of each other (not shown). The stator 30 comprises a stator winding 32. According to a variant, the stator winding comprises a set of electrically conductive wires / conductors, preferably copper wires, through which a current is arranged to be conducted for driving the electric motor 1. Said conductors may be of different thicknesses. The stator winding 32 is arranged to run axially so that the winding adjoins the rotor 10. The stator winding 32 is arranged to project axially from the end portions 30a, 30b of the stator 30, wander outside the end portions 30a, 30b and be re-inserted through the end portions 30a, 30b, protruding patches 32a, 32b of the stator winding 32 form so-called harrows 32a, 32b.
    According to the present invention, the stator winding 32 of the stator 30 is arranged to run along and axially projecting Than and to wander outside the mantle surface of the stator 30. The electric motor 1 and the transmission configuration 40 are arranged to be housed in a housing configuration 20.
    The transmission configuration includes first transmission configuration 42 and a second transmission configuration 44 where the electric motor 1 is arranged between the first transmission configuration 42 and the second transmission configuration 44. The first transmission configuration 42 is a variant of a first planetary gear configuration and the second transmission configuration 44 is a second planetary configuration.
    The transmission configuration 40 includes a transmission shaft. The first transmission configuration 42 then comprises a first transmission shaft 42a and the second transmission configuration 44 comprises a second transmission shaft 44a.
    The rotor shaft 12 and the first and second transmission shafts 42a, 44a are aligned with each other according to this embodiment. The rotor shaft 12 is connected to the first transmission shaft 42a via the first transmission configuration 42. The rotor shaft 12 is connected to the second transmission shaft 44a via the second transmission configuration 44.
    The electric motor 1 and the transmission configuration 40 are arranged to be supported by means of a support configuration 52, 54. The rotor 10 of the electric motor 1 is in this case arranged to be supported by the support configuration 52, 54 in that the rotor shaft 12 is supported in support by the support configuration 52, 54.
    According to this embodiment, the support configuration 52, 54 comprises a first support configuration 52 arranged between one end of the electric motor 1A on one side and said first transmission configuration 42 a on the other and a second support configuration 54 arranged between opposite second members of the electric motor 1A one side and said second transmission configuration 44 A the other. 9 respective post configurations 52, 54 have a main extension plane substantially perpendicular to said nanaxial transmission axes 42a, 44a and the axial direction X of the rotor shaft 12.
    The device for pre-cooling the cooling motor 1 and the transmission configuration 40 including lubricating the transmission configuration 40 includes means 60, 72, 74 for supplying a liquid 0 for said cooling and lubrication via said support configuration 40 so as to cool both electric motor and said transmission configuration.
    The means 60, 72, 74 for supplying liquid 0 for cooling comprise according to a variant at least one pump 60 arranged to pump coolant 0 via the stand configuration. In Fig. 2, the pump 60 for supplying liquid for cooling is schematically illustrated in connection with the housing configuration 20.
    The liquid 0 can be supplied via the stand configuration 52, 54 for cooling / lubrication on whichever is conveniently set. According to a variant, there is an oil sump in the bottom of the housing configuration 20, the oil 0 from the oil sump being used for cooling / lubrication. According to a variant, the pump 60 is arranged in the housing configuration 20 for pumping the oil 0 via the support configuration 52, 54 for cooling / lubrication of the electric motor 1 and the transmission configuration 42, 44.
    The pump can be driven electrically or mechanically via the electric motor 1 / transmission configuration 42, 44.
    According to a variant, the oil 0 is arranged to be pumped away from the housing to a separate tank and then supplied via the support configuration 52, 54 for cooling / lubrication.
    Coolant / oil will, after cooling lubrication via the column configuration 52, 54, end up in the bottom of the housing configuration 20 from which it is pumped either directly to the column configuration or via, for example, a separate tank to be returned for cooling to the column configuration 52, 54 to thus facilitate forced cooling. .
    According to a variant, the means 60, 72, 74 comprise a pump connected 60 to the electric motor 1 in such a way that the pump 60 is activated when driving the electric motor 1 so that coolant 0 can be supplied to the respective spirit 10a, 10b of the rotor 10 and the respective transmission configuration 42, 44 via respective stand configuration 52, 54 when needed, ie. when the electric motor 1 is driven so that the rotor 10 rotates.
    According to the embodiment illustrated in Fig. 2, the means 60, 72, 74 are arranged to supply liquid for cooling via the first stand configuration for cooling one end portion 30a of the electric motor 1 including the stator winding harrow 32a and the first transmission configuration 42. Further, the means 60, 72, 74 arranged to supply liquid for cooling via the second support configuration 44 for cooling the opposite second duct portion 30b of the electric motor 1 including the stator winding harrow 32b and the second transmission configuration 44.
    For the first pillar configuration 52, the transport via the pillar configuration 52 has been illustrated in more detail. Corresponding design for transporting liquid 0 for cooling grids according to an embodiment also for the second stand configuration 54.
    The first stand configuration 52 includes at least one inlet for receiving liquid for cooling. According to a variant, the liquid 0 for cooling via the housing configuration 20 is supplied into the support configuration 52. Figs. 4-7 show embodiments of the support configuration where, among other things, examples of inlets, outlets and ducts are illustrated.
    The first stand configuration 52 is arranged to support nozzles 72, 74 for liquid supply for said cooling. The means 60, 72, 74 for supplying liquid for cooling include, according to a variant, the said nozzles 72, 74.
    The post configuration 52 is arranged to support nozzles 72 for liquid supply for cooling the first end portion 30a of the electric motor 1 including the stator winding harrow 32a. The nozzles 72 for cooling the first duck portion 30a of the electric motor 1 including the stator winding 32a of the stator winding 11 are arranged on the side 52a of the support configuration 52 facing the first end portion 30a of the electric motor 1 with the punch 60 being arranged to pump the liquid 0 for cooling through the first stand configuration. nozzles 72 for liquid supply for cooling the second duck portion 30a of the electric motor 1.
    The support configuration 52 is arranged to support nozzles 74 for the liquid supply cooling and narrowing of the transmission configuration 42. The nozzles 74 for cooling the first transmission configuration 42 are arranged on the side 52b of the support configuration 52 facing the first transmission configuration 42, the pump 60 being arranged to to said liquid supply nozzles 74 for cooling the first transmission configuration 42.
    Fig. 3 schematically illustrates a side view of an electric motor 1 and a transmission configuration 140 with a device II for water cooling of the electric motor 1 and the transmission configuration 140 according to an embodiment of the present invention. The electric motor 1 and the transmission configuration 140 are included in a drive device. Only a part of the housing configuration 120 in which the electric motor 1 and the transmission configuration 140 are arranged to be housed is shown.
    The embodiment illustrated in Fig. 3 differs from the embodiment illustrated in Fig. 2, inter alia, by placing the transmission configuration 140 relative to the support configuration 150.
    In the embodiment of Fig. 3, only a transmission configuration 140 and a stand configuration 150 arranged at the first end portion 30a of the electric motor 1 are illustrated. According to a variant, the drive device according to Fig. 3 could have a corresponding transmission configuration and a standing configuration arranged at an opposite end portion of the electric motor. According to this embodiment, said support configuration 150 is arranged outside the shaft of the electric notor 1 as the transmission configuration 140 seen in the rotor shaft 10 and the axial direction X of the transmission shaft 140. The electric motor 1 and the transmission configuration 140 are arranged to be supported by the support configuration 150, by the transmission configuration 150 .
    The support configuration is arranged to support nozzles for supplying liquid for cooling the first end portion 30a of the electric motor, including the stator winding harrow 32a. The nozzles (not shown) are arranged on the 150a side of the support configuration water towards the first end portion 30a of the electric motor 1 and the transmission configuration 140, the pump 60 being arranged to pump the liquid 0 for cooling through the support configuration 140 for liquid supply for cooling the first end portion 30a of the electric motor.
    The support configuration 140 is arranged to support nozzles (not shown) for supplying liquid for cooling the transmission configuration 140. The nozzles for cooling the transmission configuration are intended to be arranged on the side 150a of the support configuration 150 facing the first end portion 30a of the electric motor 1 and the transmission configuration 60 is pumping the liquid for cooling through the second support supply configuration for cooling the transmission configuration 140.
    According to this embodiment, the nozzles are intended to be arranged on the same side 150a of the support configuration 150, where nozzles for cooling electric node are intended to be arranged in connection with duct portion 30a of electric node 1 for cooling harvester 32a and nozzles for cooling transmission configuration 140 are intended to be arranged in connection with transmission configuration 140. According to an alternative variant, the same nozzle is intended to be arranged for cooling both electric motor 1 and transmission configuration 140. Fig. 4 schematically illustrates a side view in axial cross-section of a part of a support configuration 250 of a device for water cooling according to an embodiment of the present invention.
    The support configuration 250 according to the embodiment in Fig. 4 is intended to be arranged between a spirit of the electric motor and a transmission configuration, for example in accordance with the support configuration in Fig. 2.
    The pillar configuration 250 has a channel configuration 252, 254 for supplying the coolant cavity pillar configuration 2 to the engine and transmission configuration.
    The channel configuration 252, 254 has a first channel 252 with an inlet 252a arranged in the periphery of the support configuration 250 and an outlet 252b arranged on the side of the support configuration intended to be water towards one side of the electric motor. A nozzle 272 is provided adjacent the outlet 252b for optimized supply of coolant to the electric motor and its stator harrows.
    The channel configuration 250 has a second channel 254 separate from the first channel 252. The second channel 254 has an inlet 254a disposed in the periphery of the support configuration 250 and an outlet 254b provided on the side 250b of the support configuration 2 for the water configuration of the transmission configuration. A nozzle piece 274 is provided adjacent the outlet 254b for optimized supply of coolant to the transmission configuration for cooling and lubrication.
    Fig. 5 schematically illustrates an axial cross-sectional side view of a portion of a stand configuration 350 of a water cooling device according to an embodiment of the present invention.
    The support configuration 350 according to the embodiment in Fig. 4 is intended to be arranged outside the electric motor as said transmission configuration seen in the axial direction of the rotor shaft and the transmission shaft, for example in accordance with the support configuration in Fig. 3. The support configuration 350 has a channel configuration 352 for supplying the cooling configuration.
    The duct configuration 352 has an inlet 352a provided in the periphery of the support configuration 350. The duct configuration 352 has a branch with a first duct portion 352: 1 with a first outlet 352b provided on the side 350a of the support configuration 350 intended to be water towards one side of the electric motor and a second duct portion 352: 2 with a second outlet 352c arranged on the same side 350a, i.e. the side 350a of the stand configuration 350 is intended to be water against the transmission configuration. A nozzle 372 is provided adjacent the first outlet 352b for optimized supply of coolant to the electric motor and its stator harrows. A nozzle 374 is provided adjacent the second outlet 352c for optimized supply of cooling water to the transmission and cooling transmission configuration.
    Fig. 6 schematically illustrates a view seen in the axial direction of a support configuration 450 of a water cooling device according to an embodiment of the present invention.
    According to this embodiment, the stand configuration 450 is constituted by a cradle element, where the cradle element according to a variant has a circular-cylindrical body 450a. The rocker configuration 450 configured according to this embodiment has outlets 452a, 452b, 452c, 452d arranged on at least one side to which cooling water 0 is arranged to be transported in the supporting configuration 450 to then be supplied with an electric motor and transmission configuration for cooling.
    Fig. 7 schematically illustrates a view seen in the axial direction of a support configuration 550 of a water cooling device according to an embodiment of the present invention.
    According to this embodiment, the pillar configuration 550 is a spoke configuration. The pillar configuration 550 formed as a spoke configuration has a set of spokes 551, 552, 553, 554, 555, 556, 557, 558 arranged to run radially from a central portion 550a of the pillar configuration 550 to a peripheral region 550b of the pillar configuration. The center portion 550a is intended to be mounted in connection with and enclose the rotor shaft or the transmission shaft. The peripheral area 550b is constituted by an annular edge portion 550b intended to abut internally and be fixed to the housing configuration. According to an alternative variant, the support configuration does not have an annular edge portion, the spokes of the support configuration being arranged to be internally fastened directly to the housing configuration.
    The cooling vessel 0 is arranged to be transported via inlets in channels of spokes 552, 554, 556, 558 to outlets 552a, 554a, 556a, 558a of the spokes of the pillar configuration 550 to then be supplied with an electric motor and transmission configuration for cooling.
    Various embodiments of support configuration for supporting electric motor and transmission configuration have been described above, and via which support configuration liquid for cooling is arranged to be supplied in such a way that both said electric motor and said transmission configuration are cooled.
    The support configuration can have any suitable design to enable the supply of said liquid for cooling via the same.
    The support configuration can have any suitable channel configuration for transporting coolant via the support configuration. The post configuration may have one or more inlets and one or more outlets. The post configuration can have channel configuration with branches and / or have channel configuration with several channels.
    The support configuration can be an integral part of the housing configuration or a separate part fixed to the housing configuration.
    Fig. 8 schematically illustrates a block diagram of a method for water cooling of an electric motor and transmission configuration according to an embodiment of the present invention. Electric motor comprises a rotor with a rotor shaft and a winding stator, and the transmission configuration comprises a transmissive shaft, the rotor and transmissive configuration being stored supported by means of a support configuration.
    According to one embodiment, the method for water cooling such an electric motor comprises a process step Si. In some, a liquid is supplied for said cooling via the said stand configuration in such a way that both the said electric motor and the said transmission configuration are cooled.
    The above description of the preferred embodiments of the present invention has been provided for illustrative and descriptive purposes. It is not intended to be exhaustive or to limit the invention to the variations described. Obviously, many modifications and variations will be apparent to those skilled in the art. The embodiments have been selected and described in order to best explain the principles of the invention and its practical applications, thereby enabling one skilled in the art to understand the invention for various embodiments and with the various modifications which are appropriate to the intended use. 17
    权利要求:
    Claims (15)
    [1]
    A method of liquid cooling an electric motor (1) and a transmission configuration (40, 42, 44; 140), the electric motor comprising a rotor (10) having a rotor shaft (12) and a winding stator (30), and wherein the transmission configuration ( 40, 42, 44; 140) comprises a transmission shaft (42a, 44a, 140a), the rotor (10) and the transmission configuration (40, 42, 44; 140) being supported by means of a support configuration, characterized by the step of: feeding (Si) a liquid (0) for said cooling via said stand configuration (52, 54; 150; 250; 350; 450; 550) in such a way that both said electric motor (1) and said transmission configuration (40, 42, 44; 140) are cooled.
    [2]
    The method of claim 1, wherein said liquid (0) is oil-based.
    [3]
    A method according to claim 1 or 2, wherein said support configuration (52, 54; 150; 250; 350; 450; 550; 550) has a main extension plane substantially perpendicular to the axial direction (X) of said axes (12, 42a, 44a, 140a).
    [4]
    A method according to any one of claims 1-3, wherein at least one nozzle (72, 74; 272, 274; 372, 374) for supplying liquid for said cooling is supported by said support configuration (52, 54; 150; 250; 350; 450; 450; 550).
    [5]
    A method according to any one of claims 1-4, wherein said support configuration (52, 54; 250) is arranged between a spirit (30a, 30b) of the electric motor (1) on one side and said transmission configuration (42, 44) on the other.
    [6]
    A method according to any one of claims 1-4, wherein said stand configuration (150; 350) is arranged outside the electric motor (1) as said transmission configuration (140) seen in the axial direction (X) of said shafts (12, 140a).
    [7]
    Device (I; II) for water cooling of an electric motor (1) and a transmission configuration (40, 42, 44; 140), which electric motor (1) comprises a rotor (10) down a rotor shaft (12) and a winding stator (30), and wherein the transmission configuration (40, 42, 44; 140) comprises a transmission shaft (42a, 44a, 140a), the rotor (10) and the transmission configuration (40, 42, 44; 140) being mounted supported by a stand configuration, can be drawn by means (60, 72, 74; 272, 274; 372, 374) for supplying a liquid (0) for said cooling via said stand configuration (52, 54; 150; 250; 350; 450; 550) in this manner that both the electric motor (1) and the said transmission configuration (40, 42, 44; 140) are cooled.
    [8]
    The device of claim 7, wherein said liquid (0) is oil based.
    [9]
    Device according to claim 7 or 8, wherein said support configuration (52, 54; 150; 250; 350; 450; 450; 550) has a main extension plane substantially perpendicular to the axial direction of said axes (12, 42a, 44a, 140a) (X) .
    [10]
    A device according to any one of claims 7-9, wherein at least one nozzle (72, 74; 272, 274; 372, 374) for supplying liquid for said cooling is arranged to be supported by means of said support configuration (52, 54; 150; 250; 350; 350). ; 450; 550).
    [11]
    A device according to any one of claims 7-10, wherein said stand configuration (52, 54; 250) is arranged between a spirit of the electric motor (30a, 30b) on one side and said transmission configuration (42, 44) on the other.
    [12]
    A device according to any one of claims 7-10, wherein said support configuration 20 (150; 350) is arranged outside the electric motor as said transmission configuration (140) seen in the axial direction (X) of said shafts (12, 140a).
    [13]
    A device according to any one of claims 7-12, wherein said stand configuration (450) is constituted by a cradle element.
    [14]
    A device according to any one of claims 7-12, wherein said support configuration (550) is a spoke configuration.
    [15]
    Platform (P) comprising a device (I; II) according to any one of claims 7-14. 1/4 P 1 I I I J I; II1 - .., 1 `-----" --- 1 1 1
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    同族专利:
    公开号 | 公开日
    US20160254730A1|2016-09-01|
    PL3046794T3|2018-10-31|
    SE537479C2|2015-05-12|
    EP3046794A1|2016-07-27|
    US10256699B2|2019-04-09|
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    EP3046794B1|2018-05-02|
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    FR3084975B1|2018-08-08|2021-08-06|Unicum Trans De Puissance|PLANETARY MOTOR GEAR WITH TWO COAXIAL OUTPUT SHAFTS BETWEEN THEM|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1351091A|SE537479C2|2013-09-20|2013-09-20|Method and apparatus for liquid cooling of electric motor and transmission configuration|SE1351091A| SE537479C2|2013-09-20|2013-09-20|Method and apparatus for liquid cooling of electric motor and transmission configuration|
    PCT/SE2014/051081| WO2015041599A1|2013-09-20|2014-09-18|Method and device for liquid cooling of electric motor and transmission configuration|
    PL14846061T| PL3046794T3|2013-09-20|2014-09-18|Method and device for liquid cooling of electric motor and transmission configuration|
    ES14846061.1T| ES2673423T3|2013-09-20|2014-09-18|Liquid cooling procedure and device of an electric motor and transmission configuration|
    US15/023,322| US10256699B2|2013-09-20|2014-09-18|Method and device for liquid cooling of electric motor and transmission configuration|
    EP14846061.1A| EP3046794B1|2013-09-20|2014-09-18|Method and device for liquid cooling of electric motor and transmission configuration|
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