WO2023071380A1 - Motor and vehicle power system - Google Patents

Motor and vehicle power system Download PDF

Info

Publication number
WO2023071380A1
WO2023071380A1 PCT/CN2022/111102 CN2022111102W WO2023071380A1 WO 2023071380 A1 WO2023071380 A1 WO 2023071380A1 CN 2022111102 W CN2022111102 W CN 2022111102W WO 2023071380 A1 WO2023071380 A1 WO 2023071380A1
Authority
WO
WIPO (PCT)
Prior art keywords
inner sleeve
vibration
housing
hole
stator
Prior art date
Application number
PCT/CN2022/111102
Other languages
French (fr)
Chinese (zh)
Inventor
陈云菲
邓承毅
陈振辉
刘海坡
Original Assignee
舍弗勒技术股份两合公司
陈云菲
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 舍弗勒技术股份两合公司, 陈云菲 filed Critical 舍弗勒技术股份两合公司
Publication of WO2023071380A1 publication Critical patent/WO2023071380A1/en

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • the present application relates to the field of motors, in particular to a motor and a vehicle power system including the motor.
  • the vehicle power system includes a stator assembly (including a stator 20 and a stator bracket 30 ), a rotor (not shown) and a housing 40 .
  • the stator assembly and the rotor are accommodated in the housing 40 .
  • the stator 20 is installed and fixed on the stator bracket 30
  • the stator bracket 30 is fixedly connected to the housing 40 via a connecting member 10 such as a bolt
  • the rotor can rotate relative to the stator 20 and is used for outputting torque.
  • the vibration generated during the working process of the stator 20 and the rotor will be directly transmitted to the casing 40, which will lead to the degradation of the overall NVH (noise, vibration and harshness) performance of the vehicle power system.
  • NVH noise, vibration and harshness
  • the present application is made in view of the defects existing in the above-mentioned technologies.
  • One object of the present application is to provide a new type of motor, the vibration-damping connection member of the motor can make the stator assembly in the motor and the casing reliably connected, and at the same time, improve the transmission of the vibration generated during the operation of the motor to the casing and cause NVH The problem of degraded performance.
  • Another object of the present application is to provide a vehicle power system including the above electric machine.
  • the present application provides a motor as follows, including a vibration-damping connection member, a stator assembly and a casing, the stator assembly is formed with a first mounting hole, and the casing is formed with a second mounting hole,
  • the vibration-damping connecting member includes an inner sleeve, an elastic portion and a connecting piece, the inner sleeve is made of rigid material, and the inner sleeve is formed with a first through hole passing through along its axial direction, the elastic The part is made of elastic material, the elastic part is fixedly installed on the outer peripheral surface of the inner sleeve, the connecting piece passes through the first through hole,
  • the vibration-damping connection member is inserted into the first mounting hole and the second mounting hole such that the stator assembly and the housing are connected via the vibration-damping connection member in an indirect contact manner.
  • the vibration-damping connection member further includes an outer sleeve, the outer sleeve is made of a rigid material,
  • the outer sleeve is formed with a second through hole penetrating along the axial direction, the inner sleeve, the elastic part and the connecting piece are all located in the second through hole, the outer sleeve
  • the elastic part is sleeved on the radially outer side of the elastic part, and the elastic part is fixedly installed on the inner peripheral surface of the outer sleeve.
  • the rigid material is metal
  • the elastic material is rubber
  • the elastic part is vulcanized and fixed to the inner sleeve and/or the outer sleeve.
  • the elastic portion extends along the axial direction, and the elastic portion extends continuously along the circumferential direction of the inner sleeve; and/or the elastic portion is included in A plurality of ribs arranged at intervals in the circumferential direction of the inner sleeve, each of the ribs extending along the axial direction.
  • an axial end of the elastic portion is formed with a chamfer.
  • the length of the inner sleeve in the axial direction is greater than the length of the elastic portion in the axial direction.
  • the second installation hole is a stepped hole
  • the inner sleeve is inserted into the stepped hole
  • the connecting piece is inserted into the stepped hole and connected with the housing threaded connection.
  • the stator assembly includes a stator, and the first installation hole is formed in the iron core of the stator; or the stator assembly includes a stator and a stator bracket fixed to each other, and the first installation hole is formed in the iron core of the stator. A mounting hole is formed in the stator bracket.
  • the present application also provides the following vehicle power system, including the motor described in any one of the above technical solutions.
  • the vehicle power system further includes a transmission, and the casing is also used as a casing of the transmission.
  • the present application provides a novel motor and a vehicle power system including the motor.
  • the motor includes a vibration-damping connection member, a stator assembly and a casing.
  • the stator assembly is formed with a first mounting hole
  • the casing is formed with a second mounting hole corresponding to the position of the first mounting hole.
  • the vibration-damping connection member includes an inner sleeve, an elastic part and a connecting piece.
  • the inner sleeve is made of a rigid material, and the inner sleeve is formed with a first through hole extending along its axial direction. The part is fixedly installed on the outer peripheral surface of the inner sleeve; the connecting piece passes through the first through hole.
  • the vibration-damping connection member is inserted into the first mounting hole and the second mounting hole, so that the stator assembly is connected to the vibration-damping connection member via the elastic portion, and the housing is connected to the vibration-damping connection member via the connector and the inner sleeve, thereby The stator assembly and the housing are connected via a vibration-damping connection member in an indirect contact manner.
  • the stator assembly and the casing of the motor are connected via the vibration-damping connection member in a non-direct contact manner, the stator assembly and the casing can be reliably connected together and the vibration-damping connection member can reduce the vibration of the stator assembly. Vibration transmitted to the housing, thereby improving NVH performance.
  • the NVH performance of vehicle powertrains including the aforementioned electric motors is also improved.
  • FIG. 1 is a schematic sectional view showing a partial structure of a vehicle power system.
  • FIG. 2A is a schematic cross-sectional view showing a partial structure of a vehicle power system according to a first embodiment of the present application.
  • FIG. 2B is a schematic cross-sectional view showing a partial structure of a vibration-damping connection member of the vehicle power system in FIG. 2A .
  • Fig. 3A is a schematic cross-sectional view showing a partial structure of a vehicle power system according to a second embodiment of the present application.
  • FIG. 3B is a schematic cross-sectional view showing a partial structure of a vibration-damping connection member of the vehicle power system in FIG. 3A .
  • Vibration-damping connection member 11 Inner sleeve 11h First through hole 12 Elastic part 13 Connector 14 Outer sleeve 14h Second through hole 2 Stator 2h Iron core installation hole 3 Stator bracket 3h Bracket installation hole 4 Housing 4h Housing installation hole
  • axial refers to the axial direction of the inner sleeve of the vibration-damping connection member
  • one side of the axial direction refers to the left side in Figures 2A and 3A
  • the other side of the axial direction refers to the right side in Fig. 2A and Fig. 3A.
  • the vibration-damping connection member of the vehicle power system is used to reliably connect the stator assembly and the casing of the vehicle power system while reducing the vibration transmitted from the stator assembly to the casing, thereby improving the HVH of the vehicle power system performance.
  • the vehicle power system includes a vibration-damping connection member 1 , a stator assembly (stator 2 and stator bracket 3 ), and a housing 4 .
  • the stator 2 and the stator bracket 3 are fixed to each other.
  • the stator bracket 3 is formed with a bracket installation hole (first installation hole) 3h
  • the housing 4 is formed with a housing installation hole (second installation hole) 4h corresponding to the position of the bracket installation hole 3h.
  • the vibration-damping connection member 1 is inserted into the bracket mounting hole 3 h as a whole and is interference-fitted with the stator bracket 3 , so that the stator bracket 3 can be connected to the vibration-damping connection member 1 via the elastic portion 12 .
  • the installation hole 4h is a stepped hole, the connector 13 and the inner sleeve 11 of the vibration-damping connection member 1 are inserted into the housing installation hole 4h, and the housing 4 is connected to the vibration-damping connection member 1 via the connector 13 and the inner sleeve 11 .
  • the vibration-damping connection member 1 includes an inner sleeve 11 , an elastic portion 12 and a connecting piece 13 .
  • the inner sleeve 11 is made of a rigid material such as metal, and the inner sleeve 11 is formed in a linearly extending cylindrical shape.
  • the inner sleeve 11 is formed with a first through hole 11h penetrating in the axial direction A thereof.
  • the thickness of the side walls of the inner sleeve 11 in the radial direction R is always equal over the entire axial length of the inner sleeve 11 .
  • the elastic part 12 is made of elastic material such as rubber, and the elastic part 12 can be fixedly installed on the outer peripheral surface of the inner sleeve 11 by vulcanization.
  • the elastic portion 12 is formed so as to extend along the axial direction A and continuously extend along the entire circumference in the circumferential direction.
  • the thickness of the elastic portion 12 in the radial direction R is always equal throughout the entire axial length of the elastic portion 12 .
  • the axial length of the elastic part 12 is smaller than the axial length of the inner sleeve 11, the axial end of the elastic part 12 is relatively large from the axial end of the inner sleeve 11, and the axial length of the elastic part 12 The distance between the other side end and the other axial end of the inner sleeve 11 is small, so that the elastic part 12 will not affect the insertion of the inner sleeve 11 including its axial side end into the housing 4 as shown in FIG. 2A in the housing mounting hole 4h.
  • the connector 13 is inserted through the first through hole 11h.
  • the connecting piece 13 is a bolt, and the connecting piece 13 is formed with external threads.
  • the connecting piece 13 can also be other parts such as rivets. In this way, when the inner sleeve 11 and the connecting piece 13 are inserted into the housing 4 , the connecting piece 13 can fix the inner sleeve 11 to the housing 4 .
  • the stator bracket 3 and the housing 4 are connected via the vibration-damping connection member 1 in a non-direct contact manner, that is to say, the stator assembly and the housing 4 are connected via the vibration-damping connection member 1 in a non-direct contact manner (the stator components and the housing 4 are spaced apart from each other), thus the elastic part 12 of the damping connector 13 can effectively absorb the vibration generated during the working process of the stator assembly and the rotor, thereby reducing the vibration transmitted to the housing 4 and improving the The NVH performance of the vehicle powertrain.
  • the structure of the vehicle power system according to the second embodiment of the present application is basically the same as that of the vehicle power system according to the first embodiment of the present application, and the differences between the two are mainly described below.
  • the stator assembly only includes the stator 2 and does not include the stator bracket.
  • the iron core of the stator 2 is formed with an iron core installation hole (first installation hole) 2h
  • the housing 4 is formed with a housing installation hole (second installation hole) 4h corresponding to the position of the iron core installation hole 2h.
  • the vibration-damping connection member 1 is integrally inserted into the iron core installation hole 2h and is interference-fitted with the iron core of the stator 2 .
  • the connector 13 of the vibration-damping connection member 1 is inserted into the housing mounting hole 4h so that the stator 2 is connected with the vibration-damping connection member 1 via the outer sleeve 14 .
  • the housing installation hole 4h may be a stepped hole, the connector 13 and the inner sleeve 11 are both inserted into the housing installation hole 4h, and the housing 4 is connected to the vibration-damping connection member 1 via the connector 13 and the inner sleeve 11 .
  • the vibration-damping connection member 1 includes an outer sleeve 14 in addition to including the same structure as that explained in the first embodiment.
  • the outer sleeve 14 may be made of the same rigid material as the inner sleeve 11, and the outer sleeve 14 is formed in a linearly extending cylindrical shape.
  • the outer sleeve 14 is arranged coaxially with the inner sleeve 11 , and the outer sleeve 14 is formed with a second through hole 14h penetrating along the axial direction A.
  • the inner sleeve 11, the elastic part 12 and the connecting piece 13 are all located in the second through hole 14h, the outer sleeve 14 is set on the radially outside of the elastic part 12, and the elastic part 12 can be fixedly installed inside the outer sleeve 14 by vulcanization.
  • Zhou Mian Zhou Mian.
  • the axial length of the outer sleeve 14 is smaller than the axial length of the inner sleeve 11.
  • the outer sleeve 14 and the housing 4 are spaced apart from each other after being installed in place.
  • the axial end of the elastic portion 12 may be chamfered.
  • the elastic portion 12 may also include a plurality of ribs arranged at intervals in the circumferential direction of the inner sleeve 11 , the plurality of ribs are evenly distributed in the circumferential direction and each rib extends a predetermined length along the axial direction of the inner sleeve 11 .
  • stator 2 and the housing 4 are connected via the vibration-damping connection member 1 in a non-direct contact manner, that is to say, the stator assembly and the housing 4 are connected via the vibration-damping connection member 1 in a non-direct contact manner (the stator assembly and the housing 4 are spaced apart from each other), whereby the vehicle power system according to the second embodiment of the present application can play the same role as the vehicle power system according to the first embodiment of the present application.
  • vibration-damping connection member 1 of the present application can not only be applied to the vehicle power system, but also can be applied to the connection between two components of other systems, and reduce the vibration transmitted between these two components.
  • the inner sleeve 11 and the outer sleeve 14 can be made of different rigid materials, and the rigid material is not limited to metal.
  • the elastic part 12 can be made of various elastic materials as long as it can absorb the vibration transmitted between the two components.
  • the vehicle power system may also include a transmission, and the motor including the above-mentioned stator assembly and the rotor may share a casing with the transmission, or it can be said that the casing of the motor and the casing of the transmission are integrally formed.
  • the vehicle power system may be an electric bridge drive system or a hybrid drive system.
  • the present application also provides a motor, which may include a rotor, the aforementioned stator assembly, a vibration-damping connection member, and a casing (or called a motor casing).
  • a vibration dampening connection member mounts the stator assembly to the housing.
  • the stator assembly can be mounted to a plurality of casing installation holes of the casing via a plurality of vibration-damping connecting members, and the plurality of casing installation holes can be distributed in the circumferential direction of the casing or the stator assembly.
  • the plurality of vibration-damping connection members may use different types of connections, for example using dowels and bolts.

Landscapes

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

Abstract

The present application provides a motor and a vehicle power system. The motor comprises a vibration-damping connection component, a stator assembly, and a housing. The vibration-damping connection component comprises an inner sleeve, an elastic portion, and a connection member. The inner sleeve is made of a rigid material, and a first through hole passing through the inner sleeve along the axial direction is formed in the inner sleeve. The elastic portion is made of an elastic material, and the elastic portion is fixedly mounted to the outer peripheral surface of the inner sleeve. The connection member passes through the first through hole. The stator assembly and the housing are connected in an indirect contact mode by means of the vibration-damping connection component. In this way, the stator assembly and the housing can be reliably connected together, and the vibration-damping connection component can reduce the vibration transmitted from the stator assembly to the housing, thereby improving NVH performance. The NVH performance of the vehicle power system comprising the motor is also improved.

Description

电机及车辆动力***Electric motor and vehicle power system 技术领域technical field
本申请涉及电机领域，具体地涉及一种电机及包括该电机的车辆动力***。The present application relates to the field of motors, in particular to a motor and a vehicle power system including the motor.
背景技术Background technique
当前，电机广泛地应用于纯电动车辆和混合动力车辆，以用于车辆的驱动。在如图1所示的车辆动力***中，车辆动力***包括定子组件(包括定子20和定子支架30)、转子(未示出)和壳体40。定子组件和转子收纳于壳体40中。定子20安装固定于定子支架30，定子支架30经由例如螺栓等的连接件10与壳体40固定连接，转子能够相对于定子20转动且用于输出扭矩。在该车辆动力***中，在定子20和转子工作过程中产生的振动将直接传递到壳体40，这将导致车辆动力***整体的NVH(噪声、振动和声振粗糙度)性能劣化。Currently, electric motors are widely used in pure electric vehicles and hybrid vehicles for driving the vehicles. In the vehicle power system shown in FIG. 1 , the vehicle power system includes a stator assembly (including a stator 20 and a stator bracket 30 ), a rotor (not shown) and a housing 40 . The stator assembly and the rotor are accommodated in the housing 40 . The stator 20 is installed and fixed on the stator bracket 30 , the stator bracket 30 is fixedly connected to the housing 40 via a connecting member 10 such as a bolt, and the rotor can rotate relative to the stator 20 and is used for outputting torque. In the vehicle power system, the vibration generated during the working process of the stator 20 and the rotor will be directly transmitted to the casing 40, which will lead to the degradation of the overall NVH (noise, vibration and harshness) performance of the vehicle power system.
发明内容Contents of the invention
鉴于上述技术中存在的缺陷而做出了本申请。本申请的一个目的在于提供一种新型的电机，该电机的减振连接构件能够使得电机中的定子组件和壳体可靠连接的同时，改善电机工作过程中产生的振动传递到壳体而导致NVH性能劣化的问题。本申请的另一个目的在于提供包括上述电机的车辆动力***。The present application is made in view of the defects existing in the above-mentioned technologies. One object of the present application is to provide a new type of motor, the vibration-damping connection member of the motor can make the stator assembly in the motor and the casing reliably connected, and at the same time, improve the transmission of the vibration generated during the operation of the motor to the casing and cause NVH The problem of degraded performance. Another object of the present application is to provide a vehicle power system including the above electric machine.
为了实现上述目的，本申请采用如下的技术方案。In order to achieve the above purpose, the present application adopts the following technical solutions.
本申请提供了一种如下的电机，包括减振连接构件、定子组件和壳体，所述定子组件形成有第一安装孔，所述壳体形成有第二安装孔，The present application provides a motor as follows, including a vibration-damping connection member, a stator assembly and a casing, the stator assembly is formed with a first mounting hole, and the casing is formed with a second mounting hole,
所述减振连接构件包括内套筒、弹性部和连接件，所述内套筒由刚性材料制成，所述内套筒形成有沿着其轴向贯通的第一通孔，所述弹性部由弹性材料制成，所述弹性部固定安装于所述内套筒的外周面，所述连接件穿过所述第一通孔，The vibration-damping connecting member includes an inner sleeve, an elastic portion and a connecting piece, the inner sleeve is made of rigid material, and the inner sleeve is formed with a first through hole passing through along its axial direction, the elastic The part is made of elastic material, the elastic part is fixedly installed on the outer peripheral surface of the inner sleeve, the connecting piece passes through the first through hole,
所述减振连接构件***所述第一安装孔和所述第二安装孔中，使得所述定子组件和所述壳体以非直接接触的方式经由所述减振连接构件连接。The vibration-damping connection member is inserted into the first mounting hole and the second mounting hole such that the stator assembly and the housing are connected via the vibration-damping connection member in an indirect contact manner.
在一种可选的方案中，所述减振连接构件还包括外套筒，所述外套筒由刚性材料制成，In an optional solution, the vibration-damping connection member further includes an outer sleeve, the outer sleeve is made of a rigid material,
所述外套筒形成有沿着所述轴向贯通的第二通孔，所述内套筒、所述弹性部和所述连接件均位于所述第二通孔中，所述外套筒套装于所述弹性部的径向外侧，并且所述弹性部固定安装于所述外套筒的内周面。The outer sleeve is formed with a second through hole penetrating along the axial direction, the inner sleeve, the elastic part and the connecting piece are all located in the second through hole, the outer sleeve The elastic part is sleeved on the radially outer side of the elastic part, and the elastic part is fixedly installed on the inner peripheral surface of the outer sleeve.
在另一种可选的方案中，所述刚性材料为金属，所述弹性材料为橡胶，所述弹性部硫化固定于所述内套筒和/或所述外套筒。In another optional solution, the rigid material is metal, the elastic material is rubber, and the elastic part is vulcanized and fixed to the inner sleeve and/or the outer sleeve.
在另一种可选的方案中，所述弹性部沿着所述轴向延伸，并且所述弹性部沿着所述内套筒的周向连续地延伸；并且/或者所述弹性部包括在所述内套筒的周向上间隔开布置的多个肋，每个所述肋沿着所述轴向延伸。In another optional solution, the elastic portion extends along the axial direction, and the elastic portion extends continuously along the circumferential direction of the inner sleeve; and/or the elastic portion is included in A plurality of ribs arranged at intervals in the circumferential direction of the inner sleeve, each of the ribs extending along the axial direction.
在另一种可选的方案中，所述弹性部的轴向端部形成有倒角。In another optional solution, an axial end of the elastic portion is formed with a chamfer.
在另一种可选的方案中，所述内套筒在所述轴向上的长度大于所述弹性部在所述轴向上的长度。In another optional solution, the length of the inner sleeve in the axial direction is greater than the length of the elastic portion in the axial direction.
在另一种可选的方案中，所述第二安装孔为台阶孔，所述内套筒***到所述台阶孔中，所述连接件***到所述台阶孔中并与所述壳体螺纹连接。In another optional solution, the second installation hole is a stepped hole, the inner sleeve is inserted into the stepped hole, the connecting piece is inserted into the stepped hole and connected with the housing threaded connection.
在另一种可选的方案中，所述定子组件包括定子，所述第一安装孔形成于所述定子的铁芯中；或者所述定子组件包括彼此固定的定子和定子支架，所述第一安装孔形成于所述定子支架中。In another optional solution, the stator assembly includes a stator, and the first installation hole is formed in the iron core of the stator; or the stator assembly includes a stator and a stator bracket fixed to each other, and the first installation hole is formed in the iron core of the stator. A mounting hole is formed in the stator bracket.
本申请还提供了一种如下的车辆动力***，包括以上技术方案中任意一项技术方案所述的电机。The present application also provides the following vehicle power system, including the motor described in any one of the above technical solutions.
在一种可选的方案中，所述车辆动力***还包括变速器，所述壳体还用作所述变速器的壳体。In an optional solution, the vehicle power system further includes a transmission, and the casing is also used as a casing of the transmission.
通过采用上述技术方案，本申请提供了一种新型的电机及包括该电机的车辆动力***。该电机包括减振连接构件、定子组件和壳体，定子组件形成有第一安装孔，壳体形成有与第一安装孔位置对应的第二安装孔。减振连接构件包括内套筒、弹性部和连接件，内套筒由刚性材料制成，内套筒形成有沿着其轴向贯通的第一通孔，弹性部由弹性材料制成，弹性部固定安装于内套筒的外周面；连接件穿过第一通孔。这样，减振连接构件***第一安装孔和第二安装孔中，使得定子组件经由弹性部与减振连接构件连接，且壳体经由连接件和内套筒与减振连接构件连接，由此定子组件和壳体以非直接接触的方式经由减振连接构件连接。By adopting the above technical solution, the present application provides a novel motor and a vehicle power system including the motor. The motor includes a vibration-damping connection member, a stator assembly and a casing. The stator assembly is formed with a first mounting hole, and the casing is formed with a second mounting hole corresponding to the position of the first mounting hole. The vibration-damping connection member includes an inner sleeve, an elastic part and a connecting piece. The inner sleeve is made of a rigid material, and the inner sleeve is formed with a first through hole extending along its axial direction. The part is fixedly installed on the outer peripheral surface of the inner sleeve; the connecting piece passes through the first through hole. In this way, the vibration-damping connection member is inserted into the first mounting hole and the second mounting hole, so that the stator assembly is connected to the vibration-damping connection member via the elastic portion, and the housing is connected to the vibration-damping connection member via the connector and the inner sleeve, thereby The stator assembly and the housing are connected via a vibration-damping connection member in an indirect contact manner.
通过采用上述方案，在电机的定子组件和壳体以非直接接触的方式经由减振连接构件连接的情况下，定子组件和壳体能够可靠地连接在一起并且减振连接构件能够减小定子组件向壳体传递的振动，由此改善NVH性能。包括上述电机的车辆动力***的NVH性能也得到了改善。By adopting the above solution, in the case where the stator assembly and the casing of the motor are connected via the vibration-damping connection member in a non-direct contact manner, the stator assembly and the casing can be reliably connected together and the vibration-damping connection member can reduce the vibration of the stator assembly. Vibration transmitted to the housing, thereby improving NVH performance. The NVH performance of vehicle powertrains including the aforementioned electric motors is also improved.
附图说明Description of drawings
图1是示出了一种车辆动力***的局部结构的剖视示意图。FIG. 1 is a schematic sectional view showing a partial structure of a vehicle power system.
图2A是示出了根据本申请的第一实施例的车辆动力***的局部结构的剖视示意图。2A is a schematic cross-sectional view showing a partial structure of a vehicle power system according to a first embodiment of the present application.
图2B是示出了图2A中的车辆动力***的减振连接构件的局部结构的剖视示意图。FIG. 2B is a schematic cross-sectional view showing a partial structure of a vibration-damping connection member of the vehicle power system in FIG. 2A .
图3A是示出了根据本申请的第二实施例的车辆动力***的局部结构的 剖视示意图。Fig. 3A is a schematic cross-sectional view showing a partial structure of a vehicle power system according to a second embodiment of the present application.
图3B是示出了图3A中的车辆动力***的减振连接构件的局部结构的剖视示意图。FIG. 3B is a schematic cross-sectional view showing a partial structure of a vibration-damping connection member of the vehicle power system in FIG. 3A .
附图标记说明Explanation of reference signs
10连接件 20定子 30定子支架 40壳体10 Connecting piece 20 Stator 30 Stator bracket 40 Housing
1减振连接构件 11内套筒 11h第一通孔 12弹性部 13连接件 14外套筒 14h第二通孔 2定子 2h铁芯安装孔 3定子支架 3h支架安装孔 4壳体 4h壳体安装孔1 Vibration-damping connection member 11 Inner sleeve 11h First through hole 12 Elastic part 13 Connector 14 Outer sleeve 14h Second through hole 2 Stator 2h Iron core installation hole 3 Stator bracket 3h Bracket installation hole 4 Housing 4h Housing installation hole
A轴向 R径向。A axial R radial.
具体实施方式Detailed ways
下面参照附图描述本申请的示例性实施方式。应当理解，这些具体的说明仅用于示教本领域技术人员如何实施本申请，而不用于穷举本申请的所有可行的方式，也不用于限制本申请的范围。Exemplary embodiments of the present application are described below with reference to the accompanying drawings. It should be understood that these specific descriptions are only used to teach those skilled in the art how to implement the present application, but are not intended to exhaust all possible ways of the present application, nor are they used to limit the scope of the present application.
在本申请中，如无特殊说明，“轴向”是指减振连接构件的内套筒的轴向，“轴向一侧”是指图2A和图3A中的左侧，“轴向另一侧”是指图2A和图3A中的右侧。In this application, unless otherwise specified, "axial" refers to the axial direction of the inner sleeve of the vibration-damping connection member, "one side of the axial direction" refers to the left side in Figures 2A and 3A, and "the other side of the axial direction" "One side" refers to the right side in Fig. 2A and Fig. 3A.
概括来说，根据本申请的车辆动力***的减振连接构件用于使车辆动力***的定子组件和壳体可靠连接的同时减小定子组件向壳体传递的振动，从而改善车辆动力***的HVH性能。以下将结合说明书附图说明根据本申请的不同实施例的车辆动力***的具体构造。In summary, the vibration-damping connection member of the vehicle power system according to the present application is used to reliably connect the stator assembly and the casing of the vehicle power system while reducing the vibration transmitted from the stator assembly to the casing, thereby improving the HVH of the vehicle power system performance. The specific structure of the vehicle power system according to different embodiments of the present application will be described below with reference to the accompanying drawings.
(根据本申请的第一实施例的车辆动力***)(Vehicle power system according to the first embodiment of the present application)
如图2A和图2B所示，根据本申请的第一实施例的车辆动力***包括减振连接构件1、定子组件(定子2和定子支架3)和壳体4。定子2和定子支架3 彼此固定。定子支架3形成有支架安装孔(第一安装孔)3h，壳体4形成有与支架安装孔3h位置对应的壳体安装孔(第二安装孔)4h。减振连接构件1整体***支架安装孔3h中且与定子支架3过盈配合，使得定子支架3能够经由弹性部12与减振连接构件1连接。安装孔4h是台阶孔，减振连接构件1的连接件13和内套筒11***壳体安装孔4h中，壳体4经由连接件13和内套筒11与减振连接构件1连接。As shown in FIGS. 2A and 2B , the vehicle power system according to the first embodiment of the present application includes a vibration-damping connection member 1 , a stator assembly (stator 2 and stator bracket 3 ), and a housing 4 . The stator 2 and the stator bracket 3 are fixed to each other. The stator bracket 3 is formed with a bracket installation hole (first installation hole) 3h, and the housing 4 is formed with a housing installation hole (second installation hole) 4h corresponding to the position of the bracket installation hole 3h. The vibration-damping connection member 1 is inserted into the bracket mounting hole 3 h as a whole and is interference-fitted with the stator bracket 3 , so that the stator bracket 3 can be connected to the vibration-damping connection member 1 via the elastic portion 12 . The installation hole 4h is a stepped hole, the connector 13 and the inner sleeve 11 of the vibration-damping connection member 1 are inserted into the housing installation hole 4h, and the housing 4 is connected to the vibration-damping connection member 1 via the connector 13 and the inner sleeve 11 .
进一步地，如图2A和图2B所示，减振连接构件1包括内套筒11、弹性部12和连接件13。Further, as shown in FIG. 2A and FIG. 2B , the vibration-damping connection member 1 includes an inner sleeve 11 , an elastic portion 12 and a connecting piece 13 .
在本实施例中，内套筒11由例如金属等的刚性材料制成，内套筒11形成为直线状延伸的圆筒形状。内套筒11形成有沿着其轴向A贯通的第一通孔11h。在内套筒11的整个轴向长度上，内套筒11的侧壁在径向R上的厚度始终相等。In the present embodiment, the inner sleeve 11 is made of a rigid material such as metal, and the inner sleeve 11 is formed in a linearly extending cylindrical shape. The inner sleeve 11 is formed with a first through hole 11h penetrating in the axial direction A thereof. The thickness of the side walls of the inner sleeve 11 in the radial direction R is always equal over the entire axial length of the inner sleeve 11 .
在本实施例中，弹性部12由例如橡胶等的弹性材料制成，弹性部12可以通过硫化固定安装于内套筒11的外周面。具体地，弹性部12被形成为沿着轴向A延伸的同时，还沿着周向连续地延伸一整周。在弹性部12的整个轴向长度上，弹性部12在径向R上的厚度始终相等。进一步地，弹性部12的轴向长度小于内套筒11的轴向长度，弹性部12的轴向一侧端与内套筒11的轴向一侧端间隔较大，弹性部12的轴向另一侧端与内套筒11的轴向另一侧端间隔较小，使得弹性部12不会影响内套筒11的包括其轴向一侧端的部分如图2A所示地***壳体4的壳体安装孔4h中。In this embodiment, the elastic part 12 is made of elastic material such as rubber, and the elastic part 12 can be fixedly installed on the outer peripheral surface of the inner sleeve 11 by vulcanization. Specifically, the elastic portion 12 is formed so as to extend along the axial direction A and continuously extend along the entire circumference in the circumferential direction. The thickness of the elastic portion 12 in the radial direction R is always equal throughout the entire axial length of the elastic portion 12 . Further, the axial length of the elastic part 12 is smaller than the axial length of the inner sleeve 11, the axial end of the elastic part 12 is relatively large from the axial end of the inner sleeve 11, and the axial length of the elastic part 12 The distance between the other side end and the other axial end of the inner sleeve 11 is small, so that the elastic part 12 will not affect the insertion of the inner sleeve 11 including its axial side end into the housing 4 as shown in FIG. 2A in the housing mounting hole 4h.
在本实施例中，连接件13***穿过第一通孔11h。具体地，在本实施例中，连接件13为螺栓，连接件13形成有外螺纹。连接件13还可以为铆钉等其它零件。这样，在内套筒11和连接件13***壳体4的情况下，连接件13能够将内套筒11固定于壳体4。In this embodiment, the connector 13 is inserted through the first through hole 11h. Specifically, in this embodiment, the connecting piece 13 is a bolt, and the connecting piece 13 is formed with external threads. The connecting piece 13 can also be other parts such as rivets. In this way, when the inner sleeve 11 and the connecting piece 13 are inserted into the housing 4 , the connecting piece 13 can fix the inner sleeve 11 to the housing 4 .
通过采用上述结构，定子支架3和壳体4以非直接接触的方式经由减振连接构件1连接，也就是说定子组件和壳体4以非直接接触的方式经由减振连接构件1连接(定子组件和壳体4彼此间隔开)，由此减振连接件13的弹性部12能够有效吸收在定子组件和转子工作过程中产生的振动，进而减小了从传递到壳体4的振动，改善了车辆动力***的NVH性能。By adopting the above-mentioned structure, the stator bracket 3 and the housing 4 are connected via the vibration-damping connection member 1 in a non-direct contact manner, that is to say, the stator assembly and the housing 4 are connected via the vibration-damping connection member 1 in a non-direct contact manner (the stator components and the housing 4 are spaced apart from each other), thus the elastic part 12 of the damping connector 13 can effectively absorb the vibration generated during the working process of the stator assembly and the rotor, thereby reducing the vibration transmitted to the housing 4 and improving the The NVH performance of the vehicle powertrain.
以下说明根据本申请的第二实施例的车辆动力***。A vehicle power system according to a second embodiment of the present application will be described below.
(根据本申请的第二实施例的车辆动力***)(Vehicle power system according to the second embodiment of the present application)
根据本申请的第二实施例的车辆动力***的结构与根据本申请的第一实施例的车辆动力***的结构基本相同，以下主要说明两者之间的不同之处。The structure of the vehicle power system according to the second embodiment of the present application is basically the same as that of the vehicle power system according to the first embodiment of the present application, and the differences between the two are mainly described below.
在本实施例中，如图3A和图3B所示，定子组件仅包括定子2，而不包括定子支架。定子2的铁芯本身形成有铁芯安装孔(第一安装孔)2h，壳体4形成有与铁芯安装孔2h位置对应的壳体安装孔(第二安装孔)4h。减振连接构件1整体***铁芯安装孔2h中且与定子2的铁芯过盈配合。减振连接构件1的连接件13***壳体安装孔4h中，使得定子2经由外套筒14与减振连接构件1连接。壳体安装孔4h可以是台阶孔，连接件13和内套筒11均***壳体安装孔4h中，壳体4经由连接件13和内套筒11与减振连接构件1连接。In this embodiment, as shown in FIG. 3A and FIG. 3B , the stator assembly only includes the stator 2 and does not include the stator bracket. The iron core of the stator 2 is formed with an iron core installation hole (first installation hole) 2h, and the housing 4 is formed with a housing installation hole (second installation hole) 4h corresponding to the position of the iron core installation hole 2h. The vibration-damping connection member 1 is integrally inserted into the iron core installation hole 2h and is interference-fitted with the iron core of the stator 2 . The connector 13 of the vibration-damping connection member 1 is inserted into the housing mounting hole 4h so that the stator 2 is connected with the vibration-damping connection member 1 via the outer sleeve 14 . The housing installation hole 4h may be a stepped hole, the connector 13 and the inner sleeve 11 are both inserted into the housing installation hole 4h, and the housing 4 is connected to the vibration-damping connection member 1 via the connector 13 and the inner sleeve 11 .
另外，如图3B所示，除了包括与第一实施例中说明的结构同样的结构，减振连接构件1还包括外套筒14。In addition, as shown in FIG. 3B , the vibration-damping connection member 1 includes an outer sleeve 14 in addition to including the same structure as that explained in the first embodiment.
具体地，外套筒14可以由与内套筒11相同的刚性材料制成，外套筒14形成为直线状延伸的圆筒形状。外套筒14与内套筒11同轴配置，外套筒14形成有沿着轴向A贯通的第二通孔14h。内套筒11、弹性部12和连接件13均位于第二通孔14h中，外套筒14套装于弹性部12的径向外侧，弹性部12可以通过硫化固定安装于外套筒14的内周面。为了不妨碍内套筒11***壳体4中，外套 筒14的轴向长度小于内套筒11的轴向长度。另外，在安装到位之后，外套筒14与壳体4彼此间隔开。Specifically, the outer sleeve 14 may be made of the same rigid material as the inner sleeve 11, and the outer sleeve 14 is formed in a linearly extending cylindrical shape. The outer sleeve 14 is arranged coaxially with the inner sleeve 11 , and the outer sleeve 14 is formed with a second through hole 14h penetrating along the axial direction A. As shown in FIG. The inner sleeve 11, the elastic part 12 and the connecting piece 13 are all located in the second through hole 14h, the outer sleeve 14 is set on the radially outside of the elastic part 12, and the elastic part 12 can be fixedly installed inside the outer sleeve 14 by vulcanization. Zhou Mian. In order not to hinder the insertion of the inner sleeve 11 into the housing 4, the axial length of the outer sleeve 14 is smaller than the axial length of the inner sleeve 11. In addition, the outer sleeve 14 and the housing 4 are spaced apart from each other after being installed in place.
为了便于安装外套筒14，弹性部12的轴向端部可以形成有倒角。进一步地，还可以使得弹性部12包括在内套筒11的周向上间隔开布置的多个肋，多个肋在周向上均匀分布且每个肋沿着内套筒11的轴向延伸预定长度。To facilitate the installation of the outer sleeve 14, the axial end of the elastic portion 12 may be chamfered. Further, the elastic portion 12 may also include a plurality of ribs arranged at intervals in the circumferential direction of the inner sleeve 11 , the plurality of ribs are evenly distributed in the circumferential direction and each rib extends a predetermined length along the axial direction of the inner sleeve 11 .
这样，定子2和壳体4以非直接接触的方式经由减振连接构件1连接，也就是说定子组件和壳体4以非直接接触的方式经由减振连接构件1连接(定子组件和壳体4彼此间隔开)，由此根据本申请的第二实施例的车辆动力***能够发挥与根据本申请的第一实施例的车辆动力***相同的作用。In this way, the stator 2 and the housing 4 are connected via the vibration-damping connection member 1 in a non-direct contact manner, that is to say, the stator assembly and the housing 4 are connected via the vibration-damping connection member 1 in a non-direct contact manner (the stator assembly and the housing 4 are spaced apart from each other), whereby the vehicle power system according to the second embodiment of the present application can play the same role as the vehicle power system according to the first embodiment of the present application.
在以上的具体实施方式中对本申请的技术方案进行了详细的阐述，以下进行补充说明。The technical solutions of the present application have been described in detail in the above specific implementation manners, and supplementary descriptions are given below.
i.应当理解，本申请的减振连接构件1不仅能够应用于车辆动力***，而且还可以应用于其它***的两个部件之间的连接，并减小这两个部件之间传递的振动。i. It should be understood that the vibration-damping connection member 1 of the present application can not only be applied to the vehicle power system, but also can be applied to the connection between two components of other systems, and reduce the vibration transmitted between these two components.
ii.应当理解，在本申请的减振连接构件1中，内套筒11和外套筒14可以通过不同的刚性材料制成，该刚性材料也不限于金属。而且，弹性部12只要能够吸收两个部件之间传递的振动，可以通过各种不同的弹性材料制成。ii. It should be understood that in the vibration-damping connection member 1 of the present application, the inner sleeve 11 and the outer sleeve 14 can be made of different rigid materials, and the rigid material is not limited to metal. Moreover, the elastic part 12 can be made of various elastic materials as long as it can absorb the vibration transmitted between the two components.
iii.该车辆动力***还可以包括变速器，包括上述定子组件以及转子的电机和变速器可以共用一个壳体，或者可以说电机的壳体与变速器的壳体形成为一体。该车辆动力***可以是电桥驱动***，也可以是混合动力驱动***。iii. The vehicle power system may also include a transmission, and the motor including the above-mentioned stator assembly and the rotor may share a casing with the transmission, or it can be said that the casing of the motor and the casing of the transmission are integrally formed. The vehicle power system may be an electric bridge drive system or a hybrid drive system.
iv.本申请还提供一种电机，该电机可以包括转子、上述定子组件、减振连接构件以及壳体(或称电机壳体)。减振连接构件将定子组件安装到壳体。iv. The present application also provides a motor, which may include a rotor, the aforementioned stator assembly, a vibration-damping connection member, and a casing (or called a motor casing). A vibration dampening connection member mounts the stator assembly to the housing.
v.定子组件可以经由多个减振连接构件安装到壳体的多个壳体安装孔，多个壳体安装孔可以在壳体或者说定子组件的周向上分布。该多个减振连接构件可以使用不同类型的连接件，例如，使用定位销和螺栓。v. The stator assembly can be mounted to a plurality of casing installation holes of the casing via a plurality of vibration-damping connecting members, and the plurality of casing installation holes can be distributed in the circumferential direction of the casing or the stator assembly. The plurality of vibration-damping connection members may use different types of connections, for example using dowels and bolts.

Claims (10)

  1. 一种电机，其特征在于，包括减振连接构件(1)、定子组件(2、3)和壳体(4)，所述定子组件(2、3)形成有第一安装孔(2h、3h)，所述壳体(4)形成有第二安装孔(4h)，A motor, characterized in that it includes a vibration-damping connection member (1), a stator assembly (2, 3) and a housing (4), and the stator assembly (2, 3) is formed with a first installation hole (2h, 3h ), the housing (4) is formed with a second mounting hole (4h),
    所述减振连接构件(1)包括内套筒(11)、弹性部(12)和连接件(13)，所述内套筒(11)由刚性材料制成，所述内套筒(11)形成有沿着其轴向(A)贯通的第一通孔(11h)，所述弹性部(12)由弹性材料制成，所述弹性部(12)固定安装于所述内套筒(11)的外周面，所述连接件(13)穿过所述第一通孔(11h)，The vibration-damping connection member (1) includes an inner sleeve (11), an elastic portion (12) and a connecting piece (13), the inner sleeve (11) is made of rigid material, and the inner sleeve (11 ) is formed with a first through hole (11h) penetrating along its axial direction (A), the elastic part (12) is made of elastic material, and the elastic part (12) is fixedly mounted on the inner sleeve ( 11), the connector (13) passes through the first through hole (11h),
    所述减振连接构件(1)***所述第一安装孔(2h、3h)和所述第二安装孔(4h)中，使得所述定子组件(2、3)和所述壳体(4)以非直接接触的方式经由所述减振连接构件(1)连接。The vibration-damping connection member (1) is inserted into the first installation hole (2h, 3h) and the second installation hole (4h), so that the stator assembly (2, 3) and the housing (4 ) are connected via the vibration-damping connection member (1) in a non-direct contact manner.
  2. 根据权利要求1所述的电机，其特征在于，所述减振连接构件(1)还包括外套筒(14)，所述外套筒(14)由刚性材料制成，The motor according to claim 1, characterized in that, the vibration-damping connection member (1) further comprises an outer sleeve (14), and the outer sleeve (14) is made of a rigid material,
    所述外套筒(14)形成有沿着所述轴向(A)贯通的第二通孔(14h)，所述内套筒(11)、所述弹性部(12)和所述连接件(13)均位于所述第二通孔(14h)中，所述弹性部(12)固定安装于所述外套筒(14)的内周面。The outer sleeve (14) is formed with a second through hole (14h) penetrating along the axial direction (A), and the inner sleeve (11), the elastic part (12) and the connecting piece (13) are all located in the second through hole (14h), and the elastic part (12) is fixedly installed on the inner peripheral surface of the outer sleeve (14).
  3. 根据权利要求2所述的电机，其特征在于，所述刚性材料为金属，所述弹性材料为橡胶，所述弹性部(12)硫化固定于所述内套筒(11)和/或所述外套筒(14)。The motor according to claim 2, characterized in that, the rigid material is metal, the elastic material is rubber, and the elastic part (12) is vulcanized and fixed to the inner sleeve (11) and/or the Outer sleeve (14).
  4. 根据权利要求1至3中任一项所述的电机，其特征在于，A motor according to any one of claims 1 to 3, characterized in that,
    所述弹性部(12)沿着所述轴向(A)延伸，并且所述弹性部(12)沿着所述内套筒(11)的周向连续地延伸；并且/或者The elastic portion (12) extends along the axial direction (A), and the elastic portion (12) continuously extends along the circumferential direction of the inner sleeve (11); and/or
    所述弹性部(12)包括在所述内套筒(11)的周向上间隔开布置的多个肋，每个所述肋沿着所述轴向(A)延伸。The elastic part (12) includes a plurality of ribs arranged at intervals in the circumferential direction of the inner sleeve (11), each of the ribs extending along the axial direction (A).
  5. 根据权利要求1至3中任一项所述的电机，其特征在于，所述弹性部(12)的轴向端部形成有倒角。The motor according to any one of claims 1 to 3, characterized in that the axial end of the elastic portion (12) is chamfered.
  6. 根据权利要求1至3中任一项所述的电机，其特征在于，所述内套筒(11)在所述轴向(A)上的长度大于所述弹性部(12)在所述轴向(A)上的长度。The motor according to any one of claims 1 to 3, characterized in that, the length of the inner sleeve (11) in the axial direction (A) is longer than that of the elastic part (12) in the axial direction (A). Length toward (A).
  7. 根据权利要求1至3中任一项所述的电机，其特征在于，A motor according to any one of claims 1 to 3, characterized in that,
    所述第二安装孔(4h)为台阶孔，所述内套筒(11)***到所述台阶孔中，所述连接件(13)***到所述台阶孔中并与所述壳体(4)螺纹连接。The second mounting hole (4h) is a stepped hole, the inner sleeve (11) is inserted into the stepped hole, the connecting piece (13) is inserted into the stepped hole and connected with the housing ( 4) threaded connection.
  8. 根据权利要求1至3中任一项所述的电机，其特征在于，A motor according to any one of claims 1 to 3, characterized in that,
    所述定子组件包括定子(2)，所述第一安装孔(2h)形成于所述定子(2)的铁芯中；或者The stator assembly includes a stator (2), and the first mounting hole (2h) is formed in an iron core of the stator (2); or
    所述定子组件包括彼此固定的定子(2)和定子支架(3)，所述第一安装孔(3h)形成于所述定子支架(3)中。The stator assembly includes a stator (2) and a stator bracket (3) fixed to each other, and the first installation hole (3h) is formed in the stator bracket (3).
  9. 一种车辆动力***，其特征在于，包括权利要求1至8中任一项所述的电机。A vehicle power system, characterized by comprising the electric motor described in any one of claims 1-8.
  10. 根据权利要求9所述的车辆动力***，其特征在于，所述车辆动力***还包括变速器，所述壳体(4)还用作所述变速器的壳体。The vehicle power system according to claim 9, characterized in that the vehicle power system further comprises a transmission, and the housing (4) is also used as a housing of the transmission.
PCT/CN2022/111102 2021-10-28 2022-08-09 Motor and vehicle power system WO2023071380A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202111267028.8 2021-10-28
CN202111267028.8A CN116054469A (en) 2021-10-28 2021-10-28 Motor and vehicle power system

Publications (1)

Publication Number Publication Date
WO2023071380A1 true WO2023071380A1 (en) 2023-05-04

Family

ID=86130068

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/111102 WO2023071380A1 (en) 2021-10-28 2022-08-09 Motor and vehicle power system

Country Status (2)

Country Link
CN (1) CN116054469A (en)
WO (1) WO2023071380A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008199845A (en) * 2007-02-15 2008-08-28 Toyota Motor Corp Stator attachment structure
CN105966228A (en) * 2016-05-11 2016-09-28 同济大学 Light-weight structure of electric wheel in which torsional vibration damper is arranged
WO2019242805A1 (en) * 2018-06-20 2019-12-26 Schaeffler Technologies AG & Co. KG Electric drive device, drive unit and drive arrangement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008199845A (en) * 2007-02-15 2008-08-28 Toyota Motor Corp Stator attachment structure
CN105966228A (en) * 2016-05-11 2016-09-28 同济大学 Light-weight structure of electric wheel in which torsional vibration damper is arranged
WO2019242805A1 (en) * 2018-06-20 2019-12-26 Schaeffler Technologies AG & Co. KG Electric drive device, drive unit and drive arrangement

Also Published As

Publication number Publication date
CN116054469A (en) 2023-05-02

Similar Documents

Publication Publication Date Title
US8469399B2 (en) Interlocking seal
US7196438B2 (en) Resilient isolation members and related methods of reducing acoustic noise and/or structural vibration in an electric machine
US20100065364A1 (en) Bearing Device for the Vibration-Decoupled Rotatable Support of an Intermediate Shaft on the Engine Block of a Motor Vehicle, and Method for the Vibration-Decoupled Rotatable Support of an Intermediate Shaft on the Engine Block of a Motor Vehicle
CN110571976A (en) Engine and motor assembly
KR101755517B1 (en) Mounting unit for cooling module of vehicle
WO2023071380A1 (en) Motor and vehicle power system
CN110601451A (en) Engine and motor assembly
CN113022284A (en) Power assembly suspension bush
JP2002153014A (en) Commutator motor
KR20140077261A (en) Device for supporting bearing for motor
JP3017924B2 (en) Motor anti-vibration device
CN211063494U (en) Engine and motor assembly
CN219062436U (en) Sealing device, fin system and vehicle
CN210469010U (en) Electric drive device
JPH10159792A (en) Blower
CN217381526U (en) Integrated gear box motor
CN218678617U (en) Fixed disk structure
CN220060339U (en) Single-stage vibration isolation compressor suspension bracket for hoisting
CN108223724B (en) Keyless rotation transmission unit and hybrid starter generator
CN221004483U (en) Motor controller mounting structure, driving system and vehicle
CN216069592U (en) Power assembly and vehicle with same
CN212367038U (en) Shaft fastening device and electric driving device
CN210469024U (en) Electric drive device
JP7433078B2 (en) Liquid cooling device and rotating electric machine equipped with liquid cooling device
JPH02150527A (en) Damper coupling of engine with separate accessories

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22885280

Country of ref document: EP

Kind code of ref document: A1