CN207328119U - A kind of electric automobile deflecting roller direct-drive type wheel motor drive device - Google Patents
A kind of electric automobile deflecting roller direct-drive type wheel motor drive device Download PDFInfo
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- CN207328119U CN207328119U CN201721209342.XU CN201721209342U CN207328119U CN 207328119 U CN207328119 U CN 207328119U CN 201721209342 U CN201721209342 U CN 201721209342U CN 207328119 U CN207328119 U CN 207328119U
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- motor
- brake
- coolant jacket
- wheel
- deflecting roller
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Abstract
The utility model discloses a kind of electric automobile deflecting roller direct-drive type wheel motor drive device, including：Wheel hub motor, brake, motor coolant jacket and knuckle, the wheel hub motor include electric machine casing and the motor shaft extended in the axial direction, and the motor shaft is directly connected to wheel rim, without setting reducing gear；The motor coolant jacket is connected with the electric machine casing, and the cooling circuit for cooling media flow is provided with the motor coolant jacket；The brake with the motor axis connection；The knuckle is between the motor coolant jacket and the brake and is integrated on the motor coolant jacket, is provided with the knuckle and the upper suspension arm of suspension and lower control arm and the upper suspension arm connection structure being connected with steering linkage, lower control arm connection structure and steering linkage connection structure.Motor driver provided by the utility model can make full use of the space in wheel rim, maximize the performance of motor.
Description
Technical field
The utility model belong to new-energy automobile deflecting roller driving motor driver technical field, more particularly to one
Kind electric automobile deflecting roller direct-drive type wheel motor drive device.
Background technology
It is well known that electric automobile is due in environmental protection and energy saving etc. big advantage at present, increasingly by each whole
Depot business is paid attention to.But in the prior art, the type of drive of electric automobile uses centralized arrangement mostly, that is, use and be arranged in machine
Driving motor in cabin drives the transmission components such as retarder, differential mechanism, transmission shaft to drive vehicle wheel rotation.It is this to be derived from tradition
The power assembly arrangement of automobile, can not only take substantial amounts of forward engine room space and power conveying flow is grown, and efficiency is low, lacks
Weary competitive advantage.
However, using the In-wheel motor driving system of distribution arrangement, also there is the problem of certain to restrict wheel hub electricity
The popularization of electromechanical motor-car.Wheel motor drive device is generally divided into two major classes, and one kind uses the configuration side of small machine+retarder
Formula, since motor is smaller, so this configuration can not make the structure of suspension fork mechanism become complicated or not make suspension fork mechanism
Big change occurs for structure, and is configured with simple suspension frame structure, so that can arrange in pairs or groups in deflecting roller and non-steering wheels,
But due to the presence of retarder, complicated, part is more, and reliability is relatively poor, and power needs to slow down by multipole, assembly
Efficiency it is relatively low；In addition one kind is to use big motor direct-drive wheel, does not use retarder.The drive efficiency of this scheme
Height, parts are few, good reliability, but since motor is excessive, it is necessary to the very big change of traditional suspension progress, can not generally apply
In deflecting roller, if can not apply in deflecting roller, wheel hub motor can not inherently realize 4 wheel driven, ABS, TCS, ESP, after
The functions such as active steering are taken turns, are greatly reduced the competitiveness of the pure electric vehicle using In-wheel motor driving.Existing many patents
There is the problem of above.For example, refer to that one kind is integrated with cycloidal type deceleration in patent document 1 (Publication No. CN103391858A)
The wheel hub motor system of device, the main problem of the electric system are due to being integrated with retarder, inevitably because subtracting
The transmission loss of fast device, causes the overall output efficiency of electric system to decline, vehicle economy is relatively low；Patent document 2
(CN103459182A) be referred to a kind of wheel hub motor in, the rotation axis of the wheel hub motor and the rotation axis of wheel formed it is orthogonal,
Oblique and staggeredly in a certain relation mode be installed on wheel on.The main problem of the electric system is due to motor body
Need to hide traditional steering, motor does not make full use of wheel rim inner space, the volume and performance potential of electric system
It is limited, due to adding retarder, cause that assembly efficiency is slightly lower, high gear has noise problem and the parts more reliable
The property probability that goes wrong is relatively large；A kind of wheel hub electricity of direct drive is disclosed in patent document 3 (CN103296829A)
Machine, and brake drum is integrated in inside electric system.The main problem of the wheel hub motor system is, due in brake
To put, the repair demolition of whole brake all can be extremely difficult, and is not airtight construction inside the electric system, poor reliability,
And there is no knuckle, can not apply in deflecting roller；A kind of directly drive is disclosed in patent document 4 (CN105281486A)
Disk brake is simultaneously arranged on the outside of motor assembly by the wheel hub motor of dynamic formula, but the device is only used for trailing wheel and pacifies with vehicle bridge
Dress, configuration is very poor to the fitness on chassis, lacks turning function.
In summary, how at low cost in the confined space, realize high-performance, efficient can be used in deflecting roller taking turns
Hub motor driver is designed to the task of top priority.
Utility model content
For above-mentioned technical problem, can be used in electric automobile deflecting roller the purpose of this utility model is to provide a kind of
High efficiency direct-drive type wheel motor drive device.
The technical solution adopted in the utility model is：
The utility model embodiment provides a kind of electric automobile deflecting roller direct-drive type wheel motor drive device, its feature
It is, including：Wheel hub motor, brake, motor coolant jacket and knuckle, the wheel hub motor include electric machine casing and along axis
The motor shaft of direction extension, the motor shaft are directly connected to wheel rim, without setting reducing gear, so that the motor
Axis rotates together with the wheel rim；The motor coolant jacket is connected with the electric machine casing and turned together with the electric machine casing
It is dynamic, the cooling circuit for cooling media flow is provided with the motor coolant jacket；The brake connects with the motor shaft
Connect and rotated together with the motor shaft；The knuckle is between the motor coolant jacket and the brake and is integrated in
To be rotated together with the motor coolant jacket on the motor coolant jacket, the upper suspension arm with suspension is provided with the knuckle
Upper suspension arm connection structure, lower control arm connection structure and the steering linkage connection being connected with lower control arm and with steering linkage
Structure, the steering linkage connection structure rotate together with the steering linkage.
Alternatively, the brake is disk brake, and the disk brake includes brake disc and brake caliper.
Alternatively, the motor shaft is connected by hub bearing with the wheel rim, wherein, the hub bearing includes wheel hub
Bearing outer ring, hub bearing inner ring and spin, the hub bearing outer ring is connected with the electric machine casing, in the hub bearing
Circle is connected with the wheel rim；By hub bearing by supporting on electric machine casing, other side passes through for the motor shaft side
Bearing is supported on motor coolant jacket afterwards.
Alternatively, described motor shaft one end is provided with driving external splines, and the other end is provided with braking external splines, the driving
External splines is engaged with the internal spline of wheel hub inner ring, and the braking external splines is connected with the internal spline of the brake disc.
Alternatively, the brake caliper connection structure being connected with the brake caliper is additionally provided with the knuckle.
Alternatively, the motor coolant jacket is connected with the electric machine casing by bolt respectively with the hub bearing outer ring
Connect.
Alternatively, further include motor shaft seal, the motor shaft seal between the brake disc and rear bearing,
Prevent foreign from entering motor.
Compared with prior art, motor driver provided by the utility model due to need not hide traditional suspension,
Braking and steering, therefore motor outside diameter can be made as big as possible, so as to make full use of the space in wheel rim, make motor
Performance maximize；Motor driver provided by the utility model is more efficient by motor direct-drive wheel；By disc type system
Dynamic system is arranged on the outside of motor driver, is met the quick detachable maintaining demand of braking system；Motor coolant jacket
With knuckle Integrated design so that the straight wheel hub motor that drives can be applied in deflecting roller.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of the motor driver of the utility model embodiment；
Fig. 2 is the side view of the motor driver of the utility model embodiment；
Fig. 3 is the motor coolant jacket and slewing journal structure schematic diagram of the motor driver of the utility model embodiment；
Fig. 4 is the motor coolant jacket internal cooling water route schematic diagram of the motor driver of the utility model embodiment；
Fig. 5 is the schematic diagram for the motor driver that one embodiment of the utility model supports McPherson suspension；
Fig. 6 be the utility model embodiment motor driver in hub bearing local structural graph；
Fig. 7 be the utility model embodiment motor driver in motor shaft local structural graph；
Fig. 8 is the structure diagram of the rotor assembly of the utility model embodiment.
Embodiment
In order to make the technical problems, technical solutions and advantages to be solved by the utility model clearer, below in conjunction with attached drawing
And specific embodiment is described in detail.
Fig. 1 is the diagrammatic cross-section of the motor driver of the utility model embodiment.Fig. 2 is the utility model embodiment
Motor driver side view.Fig. 3 is motor coolant jacket and the steering of the motor driver of the utility model embodiment
Section structure schematic diagram.Fig. 4 is the motor coolant jacket internal cooling water route signal of the motor driver of the utility model embodiment
Figure Fig. 5 is the schematic diagram for the motor driver that one embodiment of the utility model supports McPherson suspension.Fig. 6 is the utility model
The local structural graph of hub bearing in the motor driver of embodiment.Fig. 7 is the motor driving dress of the utility model embodiment
Put the local structural graph of middle motor shaft；Fig. 8 is the structure diagram of the rotor assembly of the utility model embodiment.
As depicted in figs. 1 and 2, electric automobile deflecting roller direct-drive type wheel motor drive device provided by the utility model
Including wheel hub motor 1, brake 2, motor coolant jacket 4 and knuckle 8.The wheel hub motor 1 is arranged in brake 2 and wheel rim 20
Between, wheel hub motor 1 and brake 2 are connected in series, and the output terminal of wheel hub motor 1 is directly connected to wheel rim 20, no gear reducer
Structure.Motor shaft 11, field frame assembly 5, rotor assembly 6, rotation change assembly 7 and motor shaft seal 12 are provided with wheel hub motor 1
Deng.The brake 2 can be disk brake, including brake caliper 23 and brake disc 24, brake disc 24 and the motor shaft 11
Connection, brake caliper 23 are connected on the knuckle 8.
As shown in figure 8, the rotor assembly 6 includes rotor field spider disk 35, rotor core 36 and permanent magnet 37.Permanent magnet
37 by being adhesive on rotor core 36, is interference fitted between rotor core and rotor field spider disk 35.As shown in Figure 1, rotor is total
It is bolted into 6 by rotor field spider disk 35 and motor shaft 1.The front and rear axially position of motor shaft 11 is hub bearing respectively
Inner ring 25 and rear bearing 10.Motor shaft 11 is supported on electric machine casing 3 by hub bearing 9, and electricity is supported on by rear bearing 10
On machine coolant jacket 4.
The knuckle 8 of the utility model is not an independent part, but a knot on the motor coolant jacket 4
Structure, the accommodation space of the brake disc 2 on the knuckle 8, as shown in figure 3, the knuckle 8 of the utility model is provided with control
Arm connection structure 17, lower control arm connection structure 18, steering linkage connection structure 19 and brake caliper connection structure 14 processed.On
Control arm connection structure 17, lower control arm connection structure 18, steering linkage connection structure 19 and brake caliper connection structure 14
Upper suspension arm 32, lower control arm 33 and the brake caliper 24 for being respectively used to connection steering linkage 16 and automotive suspension connect.
In one example of the utility model, the suspension being connected with knuckle is McPherson suspension.In this way, as shown in figure 5, the utility model
Motor driver by knuckle 8, connect with the upper suspension arm 32, lower control arm 33 and steering linkage 16 of automotive suspension
Connect, so that the motor driver is fixed in the deflecting roller of vehicle.Specifically, can be in knuckle 8 on peripheral position (side
Edge) formed with integrally formed upper suspension arm connection structure 17, lower control arm connection structure 18, steering linkage connection structure 19 with
And brake caliper connection structure 14, upper suspension arm connection structure 17 is around brake and the upper suspension arm 32 (damper) of suspension
Connection, lower control arm connection structure 18 around brake 2 and with the control arm of the outermost point of the lower control arm 33 of the suspension of vehicle
Bulb connects, and steering linkage connection structure 19 is connected around brake 2 with the steering linkage 16 of steering system, and can be with described turn
Rotated together to pull rod 16, brake caliper connection structure 14 is used to be connected with brake caliper 23.In the utility model, upper control
The edge that arm connection structure 17, lower control arm connection structure 18, steering linkage connection structure 19 are formed as low damage section 8 is outside
Extend curved warp architecture, and mounting hole is both provided with end, will pass through the connecting components such as bolt and steering linkage
16 and upper suspension arm 32, lower control arm 33 and the brake caliper 23 of automotive suspension connect.As shown in figure 5, brake caliper connects
Binding structure 14 stretches out curved bending arm configuration including two edges for being formed as low damage section 8, can be in each bend arm
One fixing screwed hole of end set of structure, so will can each bend arm configuration by bolt and be connected with brake caliper 23
Come.
" bypassing " in the utility model refers to and upper suspension arm connection structure 17, lower control arm connection structure 18, steering
The movement of the control arm bulb, steering linkage and damper of the connection of bar jointing structure 19 will not produce interference with brake,
I.e. from the limitation of brake, in this way, brake may be provided at upper suspension arm connection structure 17, lower control arm connection structure 18,
In the space that steering linkage connection structure 19 is surrounded.In addition, knuckle 8 be centrally formed with power supply arbor 11 pass through it is logical
Hole.The knuckle 8 of the utility model needs to meet certain rigidity/intensity, ensures its reliability/durability, does not have to material
Especially limitation, considers the factors such as its cost/weight, and cast iron/wrought aluminium may be selected to be manufactured.
As shown in figure 4, the motor coolant jacket 4 is connected with the electric machine casing 3 of the wheel hub motor, it is preferable that can pass through spiral shell
Bolt is connected with the electric machine casing 3.It is provided with the circumferencial direction of the motor coolant jacket 4 common for the cold of cooling media flow
But circuit 31 and the outlet that the inlet tube 21 of cooling medium is provided and is gone out for the cooling medium stream to the cooling circuit
22, in the utility model, cooling medium is cooled down using liquid such as water.Cooling circuit 31 is used to carry out field frame assembly 5
Cooling.In the utility model, the motor shaft 11 of wheel hub motor 1 is connected by hub bearing 9 with the wheel rim 20, so that real
Existing wheel hub motor 1 rotates together with the connection simultaneously of wheel rim 20.Specifically, as shown in fig. 6, hub bearing 9 is included outside hub bearing
Circle 32,34 three parts of hub bearing inner ring 25 and spin.Wherein, hub bearing inner ring 25 may include inner ring internal spline 27 and interior
Enclose 28 two-part structure of flange.Hub bearing outer ring 32 is connected with electric machine casing 3, and inner ring flange 28 is connected with wheel rim 20.Such as Fig. 7
Shown, motor shaft 11 obtains one end and is supported on by rear bearing 10 in wheel hub motor, and there are external splines, one end in the both ends of motor shaft 11
External splines is driving external splines 29, and other end is braking external splines 30.Drive the internal spline 27 of external splines 29 and wheel hub inner ring
Engagement, braking external splines 30 is connected with the internal spline structure in brake disc 24, so that motor shaft 11 can turn together with brake disc 24
It is dynamic.
Motor shaft seal 12 prevents foreign from entering motor between brake disc 24 and rear bearing 10.
Electric automobile deflecting roller provided by the utility model is with the operation principle of direct-drive type wheel motor drive device：
Electric automobile deflecting roller is that a kind of machinery for converting electrical energy into kinetic energy fills with direct-drive type wheel motor drive device
Put, the major impetus bang path of the device is that electric energy is passed to the motor driver 1, electric energy streams by electrical fitting 15
Through field frame assembly 5, so as to form stable electromagnetic field, field frame assembly 5 is set to produce phase with rotor assembly 6 by electromagnetic induction effect
To movement, electric energy is converted into mechanical energy.The power that rotor assembly 6 produces makes 11 turns of the motor shaft mechanically connected with rotor assembly 6
It is dynamic.The driving external splines 29 of motor shaft 11 is meshed with the inner ring internal spline 27 of the hub bearing inner ring 25 of hub bearing 9, so that
Hub bearing inner ring 25 is driven to rotate.Since the inner ring flange 28 of hub bearing inner ring 25 is connected with wheel rim 20, thus hub spindle
Wheel rim 20 can be driven by holding the rotation of inner ring 25, power is finally reached wheel, there is provided driving force.When vehicle is braked, braking clamp
Pincers 23 clamp brake disc 24 and produce brake force, and brake disc 24 is connected due to the braking external splines 30 mechanically with motor shaft 11
Connect, therefore brake force can be delivered on motor shaft 11, so that brake force passes through bang path：The outer flower of motor shaft 11 → driving
28 → wheel rim of key 29 → inner ring internal spline 27 → inner ring flange 20, so that brake force is delivered on wheel, completion was braked
Journey.
In vehicle rotation process, vehicle is by pulling steering linkage 16, so as to drive what is be connected with steering linkage 16 to turn
Bar jointing structure 19 is turned into section 8 to rotate together.Since knuckle 8 is integrated on motor coolant jacket 4, so that motor cools down
Set 4 also rotates therewith.The both ends of electric machine casing 3 are bolted with motor coolant jacket 4 and hub bearing outer ring 32 respectively.Cause
This, the rotation of motor coolant jacket has also driven the rotation of hub bearing 9, and rotatory force is transferred to wheel rim by inner ring flange 28
20, finally realize the rotation of whole deflecting roller.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (7)
- A kind of 1. electric automobile deflecting roller direct-drive type wheel motor drive device, it is characterised in that including：Wheel hub motor, system Dynamic device, motor coolant jacket and knuckle, the wheel hub motor includes electric machine casing and the motor shaft extended in the axial direction, described Motor shaft is directly connected to wheel rim, without setting reducing gear, so that the motor shaft rotates together with the wheel rim； The motor coolant jacket is connected with the electric machine casing and rotated together with the electric machine casing, is set on the motor coolant jacket There is the cooling circuit for cooling media flow；The brake together with the motor shaft with the motor axis connection and turning It is dynamic；The knuckle between the motor coolant jacket and the brake and be integrated on the motor coolant jacket with institute State motor coolant jacket to rotate together, be provided with the knuckle with the upper suspension arm of suspension and lower control arm and drawn with turning to Upper suspension arm connection structure, lower control arm connection structure and the steering linkage connection structure of bar connection, the steering linkage connection Structure rotates together with the steering linkage.
- 2. electric automobile deflecting roller direct-drive type wheel motor drive device according to claim 1, the brake are Disk brake, the disk brake include brake disc and brake caliper.
- 3. electric automobile deflecting roller direct-drive type wheel motor drive device according to claim 2, it is characterised in that institute Motor shaft is stated to be connected with the wheel rim by hub bearing,Wherein, the hub bearing includes hub bearing outer ring, hub bearing inner ring and spin, the hub bearing outer ring and institute Electric machine casing connection is stated, the hub bearing inner ring is connected with the wheel rim；By hub bearing by supporting on electric machine casing, other side supports to electricity by rear bearing for the motor shaft side On machine coolant jacket.
- 4. electric automobile deflecting roller direct-drive type wheel motor drive device according to claim 2, it is characterised in that institute State motor shaft one end and be provided with driving external splines, the other end is provided with braking external splines, the driving external splines and wheel hub inner ring Internal spline engagement, it is described braking external splines be connected with the internal spline of the brake disc.
- 5. electric automobile deflecting roller direct-drive type wheel motor drive device according to claim 2, on the knuckle It is additionally provided with the brake caliper connection structure being connected with the brake caliper.
- 6. electric automobile deflecting roller direct-drive type wheel motor drive device according to claim 3, it is characterised in that institute Motor coolant jacket is stated to be bolted with the electric machine casing respectively with the hub bearing outer ring.
- 7. electric automobile deflecting roller direct-drive type wheel motor drive device according to claim 3, it is characterised in that also Including motor shaft seal, the motor shaft seal prevents foreign from entering between the brake disc and rear bearing Motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209342.XU CN207328119U (en) | 2017-09-20 | 2017-09-20 | A kind of electric automobile deflecting roller direct-drive type wheel motor drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721209342.XU CN207328119U (en) | 2017-09-20 | 2017-09-20 | A kind of electric automobile deflecting roller direct-drive type wheel motor drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207328119U true CN207328119U (en) | 2018-05-08 |
Family
ID=62369104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721209342.XU Active CN207328119U (en) | 2017-09-20 | 2017-09-20 | A kind of electric automobile deflecting roller direct-drive type wheel motor drive device |
Country Status (1)
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| CN (1) | CN207328119U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572400A (en) * | 2019-01-29 | 2019-04-05 | 北京大圣格尔冶金设备有限公司 | The running gear and mine truck of a kind of wheel, vehicle |
| CN110816658A (en) * | 2019-08-02 | 2020-02-21 | 中国第一汽车股份有限公司 | Front suspension system of direct-drive hub motor vehicle |
| CN111516753A (en) * | 2020-04-24 | 2020-08-11 | 东风汽车集团有限公司 | Knuckle for connecting driving wheel of hub motor with Macpherson front axle and connecting structure of knuckle |
| CN112092606A (en) * | 2020-10-13 | 2020-12-18 | 武汉鲸鱼座机器人技术有限公司 | Wheeled electric drive axle with power supply system and control method thereof |
| WO2022000665A1 (en) * | 2020-06-28 | 2022-01-06 | 江苏大学 | High-integration modular hub motor and cooling system therefor |
| WO2023054276A1 (en) * | 2021-09-28 | 2023-04-06 | いすゞ自動車株式会社 | Vehicle |
| DE102022200031A1 (en) | 2022-01-04 | 2023-07-06 | Volkswagen Aktiengesellschaft | Vehicle wheel for a motor vehicle |
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2017
- 2017-09-20 CN CN201721209342.XU patent/CN207328119U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572400A (en) * | 2019-01-29 | 2019-04-05 | 北京大圣格尔冶金设备有限公司 | The running gear and mine truck of a kind of wheel, vehicle |
| CN109572400B (en) * | 2019-01-29 | 2024-03-08 | 北京大圣格尔冶金设备有限公司 | Wheel, running gear of vehicle and mining truck |
| CN110816658A (en) * | 2019-08-02 | 2020-02-21 | 中国第一汽车股份有限公司 | Front suspension system of direct-drive hub motor vehicle |
| CN110816658B (en) * | 2019-08-02 | 2020-10-16 | 中国第一汽车股份有限公司 | Front suspension system of direct-drive hub motor vehicle |
| CN111516753A (en) * | 2020-04-24 | 2020-08-11 | 东风汽车集团有限公司 | Knuckle for connecting driving wheel of hub motor with Macpherson front axle and connecting structure of knuckle |
| WO2022000665A1 (en) * | 2020-06-28 | 2022-01-06 | 江苏大学 | High-integration modular hub motor and cooling system therefor |
| CN112092606A (en) * | 2020-10-13 | 2020-12-18 | 武汉鲸鱼座机器人技术有限公司 | Wheeled electric drive axle with power supply system and control method thereof |
| CN112092606B (en) * | 2020-10-13 | 2024-03-26 | 武汉鲸鱼座机器人技术有限公司 | Wheel type electric drive axle with power supply system and control method thereof |
| WO2023054276A1 (en) * | 2021-09-28 | 2023-04-06 | いすゞ自動車株式会社 | Vehicle |
| JP2023048211A (en) * | 2021-09-28 | 2023-04-07 | いすゞ自動車株式会社 | vehicle |
| JP7264197B2 (en) | 2021-09-28 | 2023-04-25 | いすゞ自動車株式会社 | vehicle |
| DE102022200031A1 (en) | 2022-01-04 | 2023-07-06 | Volkswagen Aktiengesellschaft | Vehicle wheel for a motor vehicle |
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