CN206992887U - Motor shaft assembly and the motor with motor shaft assembly - Google Patents
Motor shaft assembly and the motor with motor shaft assembly Download PDFInfo
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- CN206992887U CN206992887U CN201720749900.5U CN201720749900U CN206992887U CN 206992887 U CN206992887 U CN 206992887U CN 201720749900 U CN201720749900 U CN 201720749900U CN 206992887 U CN206992887 U CN 206992887U
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- motor shaft
- radiating fin
- shaft assembly
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Abstract
The utility model, which provides a kind of motor shaft assembly and the motor with motor shaft assembly, the motor shaft assembly, to be included：Motor shaft；Hot superconductive radiating fin component, include the hot superconductive radiating fin of several parallel intervals arrangement；The hot superconductive radiating fin is placed on the periphery of described motor shaft one end；Formed with Super-conductive conduit road in the hot superconductive radiating fin, the Super-conductive conduit road is closing pipe line, and heat-transfer working medium is filled with the Super-conductive conduit road.The utility model on motor shaft by setting hot superconductive radiating fin component, because hot superconductive radiating fin uses hot super heat conduction, with high heat transfer rate and the characteristics of high heat flux, when motor shaft rotates, the heat of the motor shaft can quickly be delivered to one end where the hot superconductive radiating fin component via the motor shaft, and distributed via the hot superconductive radiating fin component, to reach the effect for making motor shaft fast cooling.
Description
Technical field
The utility model belongs to technical field of heat transfer, more particularly to a kind of motor shaft assembly and with motor shaft assembly
Motor.
Background technology
Existing water-cooled motor in support typically by setting deflector type or spiral water-cooling structure to enter motor
Row cooling, a kind of structure of water-cooled motor is as shown in figure 1, be provided with single cooling by water loop 14, due to stator in support 13
11 are fixed on the support 13, and the heat of the stator 11 directly can be conducted to cold by single cooling by water loop 14
But water is taken away, and the cooling effect of the stator 11 is preferable.But because rotor 12 and the support 13 have gap, and again due to electricity
Motivation inner air does not flow substantially, and air thermal resistance is very big, and the heat of rotor 12 is difficult to single water cooling by air transmitted
Cooling circuit 14 is taken away, and the radiating effect of the rotor 12 is very poor, and the temperature of the rotor 12 will be higher by the temperature of the stator 11
Degree is a lot, and this is by the increase of restrictions motor load capacity significantly.
Utility model content
In view of the above the shortcomings that prior art, the purpose of this utility model is to provide a kind of motor shaft assembly and tool
Have the motor of motor shaft assembly, for solve existing for motor of the prior art due to but cooling by water loop with turn
Son has gap, and the radiating effect of rotor is very poor, the problem of so as to greatly limit the load capacity of motor.
In order to achieve the above objects and other related objects, the utility model provides a kind of motor shaft assembly, the motor shaft
Component includes：
Motor shaft；
Hot superconductive radiating fin component, include the hot superconductive radiating fin of several parallel intervals arrangement；The hot superconduction
Radiating fin is placed on the periphery of described motor shaft one end；It is described formed with Super-conductive conduit road in the hot superconductive radiating fin
Super-conductive conduit road is closing pipe line, and heat-transfer working medium is filled with the Super-conductive conduit road.
As a kind of preferred scheme of motor shaft assembly of the present utility model, the hot superconductive radiating fin is to include through hole
Loop configuration, the shape of the through hole is identical with the shape of the sealing of motor spindle end face, and the size of the through hole is more than or equal to
The size of the sealing of motor spindle end face.
As a kind of preferred scheme of motor shaft assembly of the present utility model, the hot superconductive radiating fin is semi-circular shape
Structure, the inside radius of the hot superconductive radiating fin are more than or equal to the radius of the motor shaft.
As a kind of preferred scheme of motor shaft assembly of the present utility model, it is parallel that the Super-conductive conduit road includes several
The arc pipeline of arrangement and several connecting pipelines that arc pipeline is connected.
As a kind of preferred scheme of motor shaft assembly of the present utility model, the motor shaft assembly also includes fin bottom
Seat, the fin base are placed on the periphery of the motor shaft, and between the motor shaft and the hot superconductive radiating fin.
As a kind of preferred scheme of motor shaft assembly of the present utility model, the fin base is to include the annular of through hole
Structure, the shape of the through hole is identical with the shape of the sealing of motor spindle end face, and the size of the through hole is more than or equal to the electricity
The size of arbor end face.
As a kind of preferred scheme of motor shaft assembly of the present utility model, the fin base is semi-circular shape structure,
The inside radius of the fin base is more than or equal to the radius of the motor shaft.
As a kind of preferred scheme of motor shaft assembly of the present utility model, the surface of the fin base is additionally provided with some
The installation groove of bar parallel interval arrangement, the circumferentially extending of the length direction of the installation groove along the motor shaft；The peace
Fill groove and be suitable to the fixed hot superconductive radiating fin of installation.
The utility model also provides a kind of motor with motor shaft assembly, the motor with motor shaft assembly
Including the motor shaft assembly as described in above-mentioned either a program.
It is described that there is motor shaft group as a kind of preferred scheme of the motor of the present utility model with motor shaft assembly
The motor of part also includes：
Support；The hot superconductive radiating fin is located at the outside of the support；
Rotor, in the support, and the periphery of the motor shaft is fixed on, suitable under the drive of the motor shaft
Rotation；
Stator, in the support, and positioned at the periphery of the rotor；The stator is fixed on the inwall of the support.
As a kind of preferred scheme of the motor of the present utility model with motor shaft assembly, it is additionally provided with the support
Cooling by water loop.
As described above, motor shaft assembly of the present utility model and the motor with motor shaft assembly, have beneficial below
Effect：The utility model on motor shaft by setting hot superconductive radiating fin component, because hot superconductive radiating fin uses
Hot super heat conduction, there is the characteristics of high heat transfer rate and high heat flux, when motor shaft rotates, the heat of the motor shaft
The one end that can be quickly delivered to via the motor shaft where the hot superconductive radiating fin component, and via the hot superconduction
Radiating fin component distributes, to reach the effect for making motor shaft fast cooling；Again because rotor directly contacts with motor shaft
Fixed, the heat of rotor can pass through the motor shaft, the motor shaft and the hot superconductive radiating fin component Quick diffusing
Go out, be reached for the effect of rotor fast cooling.
Brief description of the drawings
Fig. 1 is shown as the structural representation of water-cooled motor of the prior art.
Fig. 2 is shown as the structural representation of the motor shaft assembly provided in the utility model embodiment one.
Fig. 3 to Fig. 4 is shown as the hot superconductive radiating fin in the motor shaft assembly that is provided in the utility model embodiment one
Along the end structure illustration of the length direction of the motor shaft.
Fig. 5 is shown as the part of the hot superconductive radiating fin in the motor shaft assembly that is provided in the utility model embodiment one
Enlarged section.
Fig. 6 is shown as fin base in the motor shaft assembly that is provided in the utility model embodiment one along the motor shaft
Length direction end structure illustration.
Fig. 7 is shown as Fig. 6 overlooking the structure diagram.
Fig. 8 is shown as the structural representation of the motor with motor shaft assembly provided in the utility model embodiment two.
Component label instructions
11 stators
12 rotors
13 supports
14 single cooling by water loops
21 motor shafts
22 radiating fins
221 first sheet materials
222 second sheet materials
223 Super-conductive conduit roads
2231 arc pipelines
2232 connecting pipelines
224 non-pipeline portions
225 bossings
226 heat-transfer working mediums
227 through holes
23 fin bases
231 fin base main bodys
232 installation grooves
233 fixing holes
24 supports
25 rotors
26 stators
27 cooling by water loops
28 filling exits
Embodiment
Illustrate embodiment of the present utility model below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of the present utility model easily.The utility model can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With, without departing from it is of the present utility model spirit under carry out various modifications or alterations.
Fig. 2 to Fig. 8 is referred to, it is necessary to illustrate, the diagram provided in the present embodiment only illustrates this in a schematic way
The basic conception of utility model, though when the component relevant with the utility model is only shown in diagram rather than being implemented according to reality
Component count, shape and size are drawn, and it is actual when implementing form, quantity and the ratio of each component can be a kind of changing arbitrarily
Become, and its assembly layout form may also be increasingly complex.
Embodiment one
Fig. 2 to Fig. 5 is referred to, the utility model provides a kind of motor shaft assembly, and the motor shaft assembly includes：Motor shaft
21；Hot superconductive radiating fin component, the hot superconduction that the hot superconductive radiating fin component includes the arrangement of several parallel intervals dissipate
Hot fin 22；The hot superconductive radiating fin 22 is placed on the periphery of described one end of motor shaft 21；The hot superconductive radiating fin
Formed with Super-conductive conduit road 223 in 22, the Super-conductive conduit road 223 is closing pipe line, is filled with the Super-conductive conduit road 223
Heat-transfer working medium 226.
It should be noted that hot super heat conduction, which is included in closed interconnected micro-channel system, fills work
Medium, the hot pipe technique of hot superconductive heat transfer is realized with condensation phase transformation by the evaporation of working media；And by controlling enclosed system
Middle working media micro-architectural state, i.e., in diabatic process, the boiling (or condensation of gaseous medium) of liquid medium is suppressed, and
Reach the uniformity of working medium micro-structural on this basis, and realize the phase transformation of efficient heat transfer and suppress (PCI) heat transfer technology.It is preferred that
Ground, in the present embodiment, the hot superconductive radiating fin 22 is that phase transformation suppresses radiating fin, now, in the Super-conductive conduit road 223
The heat-transfer working medium 226 seethe with excitement or condense during heat transfer and be suppressed, and reach working medium micro-structural on this basis
Uniformity and realize heat transfer.
In one example, it is described referring to Fig. 3, the hot superconductive radiating fin 22 is the loop configuration for including through hole 227
The shape of through hole 227 is identical with the shape of the end face of motor shaft 21, and the size of the through hole 227 is more than or equal to the motor
The size of the end face of axle 21.Preferably, in the present embodiment, the hot superconductive radiating fin 22 can be cirque structure, described logical
Hole 227 is circular hole, and the motor shaft 21 is cylinder axis, and the diameter of the through hole 227 is more than or equal to the straight of the motor shaft 21
Footpath.Certainly, in other examples, the shape of through hole 227 and the motor shaft 21 end face can also be square, rectangle etc.
Deng.It should be noted that when the hot superconductive radiating fin 22 is directly placed on the periphery of the motor shaft 21, the through hole
227 diameter is slightly larger than or the diameter equal to the motor shaft 21, to ensure that it is described that the hot superconductive radiating fin 22 is placed on
Directly contacted with the motor shaft 21 during motor shaft 21, to ensure there is higher radiating efficiency.
In another example, referring to Fig. 4, the hot superconductive radiating fin 22 is semi-circular shape structure, the hot superconduction
The inside radius of radiating fin 22 is more than or equal to the radius of the motor shaft 21.It should be noted that work as the hot superconductive radiating
When fin 22 is directly placed on the periphery of the motor shaft 21, the inside radius of the hot superconductive radiating fin 22 is slightly larger than or is equal to
The radius of the motor shaft 21, during ensuring that the hot superconductive radiating fin 22 is placed on the motor shaft 21 with the motor shaft
21 directly contact, to ensure to have higher radiating efficiency.
As shown in Figures 3 and 4, if the arc pipeline 2231 on the Super-conductive conduit road 223 including several parallel arrangements and
The dry connecting pipeline 2232 that the arc pipeline 2231 is connected.
It should be noted that in Fig. 3 and Fig. 4, the heat-transfer working medium 226 in the Super-conductive conduit road 223 is via filling
Mouth 28 is filled with, and after filling the heat-transfer working medium 226, the filling exit 28 is sealed, to ensure the Super-conductive conduit road
223 be sealing pipeline structure.
As an example, as shown in figure 5, the hot superconductive radiating fin 22 is composite board type structure, the hot superconductive radiating
The surface of fin 22 can be two-sided swollen state as shown in Figure 5, the hot superconductive radiating fin 22 include the first sheet material 221 and
Second sheet material 222, first sheet material 221 are combined with each other with second sheet material 222 by rolling process；The hot superconduction
Pipeline 223 is formed by blowing-up technology, while Super-conductive conduit road 223 are formed, in first sheet material 221 and described
The surface of second sheet material 222 forms the bulge-structure 225 corresponding with the Super-conductive conduit road 223.Except knot as shown in Figure 5
Structure, when the hot superconductive radiating fin 22 includes first sheet material 221 and second sheet material 222, inflation can also be passed through
Technique is while Super-conductive conduit road 223 are formed, in the surface of first sheet material 221 or second sheet material 222
Surface forms the bulge-structure 225 corresponding with the Super-conductive conduit road 223, i.e., the table of described hot superconductive radiating fin 22
Face is in one side bulging state.Certainly, in other examples, the surface of the hot superconductive radiating fin 22 can also be in two-sided flat shape
State, now, the concrete structure of the hot superconductive radiating fin 22 can with the patent application of Application No. 20151029540.3
The structure of described two-sided flat hot superconductive radiating harden structure is identical, referring specifically to the patent application document, is not repeated herein.
As an example, the heat-transfer working medium 226 is fluid, it is preferable that the heat-transfer working medium 226 is gas or liquid or gas
The mixture of body and liquid, it is further preferable that in the present embodiment, the heat-transfer working medium 226 is the mixture of liquid and gas.
As an example, the material of the hot superconductive radiating fin 22 should be the good material of thermal conductivity, it is preferable that this implementation
In example, the material of the hot superconductive radiating fin 22 can be at least one in copper, copper alloy, aluminium, aluminium alloy, titanium or titanium alloy
Kind, i.e., the material of described hot superconductive radiating fin 22 can be copper, copper alloy, aluminium, aluminium alloy, titanium or titanium alloy, or
At least any two kinds of combination in copper, copper alloy, aluminium, aluminium alloy, titanium or titanium alloy.
As an example, between the Super-conductive conduit road 223 on the hot superconductive radiating fin 22 and/or the hot superconduction
The region of non-pipeline portions 224 of the periphery of pipeline 223 is also provided with thermal vias (not shown)；The thermal vias is preferably to pass through
Wear the whole thickness through hole of hot superconductive radiating fin 22.The shape of the thermal vias can be arranged to round according to being actually needed
Shape, rectangle or hexagon etc. are variously-shaped.Thermal vias, Ke Yizeng described in biomass on the hot superconductive radiating fin 22
Add the cross-ventilation between the hot superconductive radiating fin 22, so as to further improve radiating efficiency.
As an example, the thickness of the hot superconductive radiating fin 22 can be set according to being actually needed, preferably
In the present embodiment, the thickness of the hot superconductive radiating fin 22 can be but be not limited only to be less than or equal to 1mm.
As an example, referring to Fig. 6 and Fig. 7 incorporated by reference to Fig. 2, the motor shaft assembly also includes fin base 23, the wing
Piece base 23 is placed on the periphery of the motor shaft 21, and positioned at the motor shaft 21 and the hot superconductive radiating fin 22 it
Between, i.e., described fin base 23 is placed on the periphery of the motor shaft 21, and the hot superconductive radiating fin 22 is fixed on the wing
On piece base 23.
As an example, the fin base 23 and the fin component can bases compared to the position of the motor shaft 21
It is actually needed and is set, it is preferable that in the present embodiment, the fin base 23 and the fin component is located at close to the electricity
The position of one end of arbor 21.
In one example, the fin base 23 can be to include the loop configuration of through hole, the shape of the through hole and institute
State that the shape of the end face of motor shaft 21 is identical, the size of the through hole is more than or equal to the size of the end face of motor shaft 21.
In another example, as shown in fig. 6, the fin base 23 can be semi-circular shape structure, the fin base 23
Inside radius be more than or equal to the motor shaft 21 radius.
As an example, the fin base 23 can be common metal base, i.e., described fin base 23 can be existing
Metab, that is, the fin base 23 can be the internal structure without any pipeline, or be internally provided with
Heat dissipation pipeline, the interior structure for being filled with phase-change heat transfer working medium of heat dissipation pipeline.In other examples, the fin base 23 can be with
For hot superconduction fin base 23, it is preferable that in the present embodiment, the fin base 23 is that phase transformation suppresses thermofin base, i.e.,
Formed with Super-conductive conduit road in the fin base 23, filled with phase transformation suppression heat-transfer working medium in the Super-conductive conduit road.It is described
When fin base 23 is that phase transformation suppresses thermofin base, the structure on the structure of its application and internal Super-conductive conduit road can be with
The structure of above-mentioned hot superconductive radiating fin and the structure on Super-conductive conduit road 223 are identical, specifically incorporated by reference to Fig. 3 to Fig. 5 refer on
The description of hot superconductive radiating fin, is not repeated herein.
As an example, referring to Fig. 6 and Fig. 7, the surface of the fin base 23 is additionally provided with some parallel interval arrangements
Installation groove 232, the circumferentially extending of the length direction of the installation groove 232 along the motor shaft 21；The installation groove
232 are suitable to the fixed hot superconductive radiating fin 22 of installation, specifically, to insert the installation recessed for the hot superconductive radiating fin 22
In groove 232, and fill heat-conducting glue between the hot superconductive radiating fin 22 and the fin base 23 and be adhesively fixed, or pass through
The hot superconductive radiating fin 22 is fixed with the fin base 23 by techniques such as welding.
As an example, being additionally provided with fixing hole 233 in the fin base 23, the fixing hole 233 is preferably distributed in institute
State four vertex of fin base main body 231.When the fin base 23 is semi-circular shape structure, two semi-circular shape knots
The fin base 23 of structure is relatively placed on the periphery of the motor shaft 21, and is fixedly connected by the fixing hole 233,
To realize the periphery for being placed on the motor shaft 21.Certainly, the fin base 23 can also be fixed directly by welding procedure
In the periphery of the motor shaft 21.
Embodiment two
It is described with motor shaft referring to Fig. 8, the utility model also provides a kind of motor with motor shaft assembly
Motor includes the motor shaft assembly described in embodiment one.
As an example, the motor also includes：Support 24；The hot superconductive radiating fin component is located at the pedestal 24
Outside；Rotor 25, the rotor 25 is located in the support 24, and is fixed on the periphery of the motor shaft 21, suitable in institute
State and rotated under the drive of motor shaft 21；Stator 26, the stator 26 are located in the support 24, and positioned at the outer of the rotor 25
Enclose；The stator 26 is fixed on the inwall of the support 24.
As an example, being additionally provided with cooling by water loop 27 in the support 24, the cooling by water loop 27 is used for for institute
Stator 26 is stated to radiate.
The motor of the present utility model, can be by institute by setting the motor shaft assembly on the motor shaft 24
The heat Quick diffusing for stating rotor 26 and the motor shaft 24 is gone out, it is possible to achieve is quickly the rotor 26 and the motor shaft
24 coolings, so as to improve the load capacity of the motor.
In summary, the utility model provides a kind of motor shaft assembly and the motor with motor shaft assembly, the electricity
Arbor assembly includes：Motor shaft；Hot superconductive radiating fin component, include the hot superconductive radiating wing of several parallel intervals arrangement
Piece；The hot superconductive radiating fin is placed on the periphery of described motor shaft one end；Formed with heat in the hot superconductive radiating fin
Superconduction pipeline, the Super-conductive conduit road are closing pipe line, and heat-transfer working medium is filled with the Super-conductive conduit road.The utility model leads to
Cross and hot superconductive radiating fin component is set on motor shaft, because hot superconductive radiating fin uses hot super heat conduction, tool
There is the characteristics of high heat transfer rate and high heat flux, when motor shaft rotates, the heat of the motor shaft can be via the motor
Axle is quickly delivered to one end where the hot superconductive radiating fin component, and is distributed via the hot superconductive radiating fin component
Go out, to reach the effect for making motor shaft fast cooling；Again because rotor with motor shaft directly contacts fixation, the heat of rotor can
To be gone out by the motor shaft, the motor shaft and the hot superconductive radiating fin component Quick diffusing, it is fast to be reached for rotor
The effect of prompt drop temperature.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for this practicality is limited
Type.Any person skilled in the art can all be carried out without prejudice under spirit and scope of the present utility model to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
God and all equivalent modifications completed under technological thought or change, should be covered by claim of the present utility model.
Claims (11)
1. a kind of motor shaft assembly, it is characterised in that the motor shaft assembly includes：
Motor shaft；
Hot superconductive radiating fin component, include the hot superconductive radiating fin of several parallel intervals arrangement；The hot superconductive radiating
Fin is placed on the periphery of described motor shaft one end；It is super formed with Super-conductive conduit road, the heat in the hot superconductive radiating fin
Rodding is closing pipe line, and heat-transfer working medium is filled with the Super-conductive conduit road.
2. motor shaft assembly according to claim 1, it is characterised in that：The hot superconductive radiating fin is to include through hole
Loop configuration, the shape of the through hole is identical with the shape of the sealing of motor spindle end face, and the size of the through hole is more than or equal to institute
State the size of sealing of motor spindle end face.
3. motor shaft assembly according to claim 1, it is characterised in that：The hot superconductive radiating fin is semi-circular shape knot
Structure, the inside radius of the hot superconductive radiating fin are more than or equal to the radius of the motor shaft.
4. the motor shaft assembly according to Claims 2 or 3, it is characterised in that：The Super-conductive conduit road is flat including several
The arc pipeline and several connecting pipelines that arc pipeline is connected of row arrangement.
5. motor shaft assembly according to claim 1, it is characterised in that：The motor shaft assembly also includes fin base,
The fin base is placed on the periphery of the motor shaft, and between the motor shaft and the hot superconductive radiating fin.
6. motor shaft assembly according to claim 5, it is characterised in that：The fin base is to include the ring junction of through hole
Structure, the shape of the through hole is identical with the shape of the sealing of motor spindle end face, and the size of the through hole is more than or equal to the motor
The size of axial end.
7. motor shaft assembly according to claim 5, it is characterised in that：The fin base is semi-circular shape structure, institute
The inside radius for stating fin base is more than or equal to the radius of the motor shaft.
8. motor shaft assembly according to claim 5, it is characterised in that：The surface of the fin base is additionally provided with some
The installation groove of parallel interval arrangement, the circumferentially extending of the length direction of the installation groove along the motor shaft；The installation
Groove is suitable to the fixed hot superconductive radiating fin of installation.
9. a kind of motor with motor shaft assembly, it is characterised in that the motor with motor shaft assembly is included such as
Motor shaft assembly any one of claim 1 to 8.
10. the motor according to claim 9 with motor shaft assembly, it is characterised in that：It is described that there is motor shaft group
The motor of part also includes：
Support；The hot superconductive radiating fin is located at the outside of the support；
Rotor, in the support, and the periphery of the motor shaft is fixed on, suitable for the drive backspin in the motor shaft
Turn；
Stator, in the support, and positioned at the periphery of the rotor；The stator is fixed on the inwall of the support.
11. the motor according to claim 10 with motor shaft assembly, it is characterised in that：It is additionally provided with the support
Cooling by water loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749900.5U CN206992887U (en) | 2017-06-26 | 2017-06-26 | Motor shaft assembly and the motor with motor shaft assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720749900.5U CN206992887U (en) | 2017-06-26 | 2017-06-26 | Motor shaft assembly and the motor with motor shaft assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206992887U true CN206992887U (en) | 2018-02-09 |
Family
ID=61399810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720749900.5U Active CN206992887U (en) | 2017-06-26 | 2017-06-26 | Motor shaft assembly and the motor with motor shaft assembly |
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| Country | Link |
|---|---|
| CN (1) | CN206992887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114502848A (en) * | 2019-09-30 | 2022-05-13 | 西门子股份公司 | Drive shaft for an electric machine and method for producing the same |
-
2017
- 2017-06-26 CN CN201720749900.5U patent/CN206992887U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114502848A (en) * | 2019-09-30 | 2022-05-13 | 西门子股份公司 | Drive shaft for an electric machine and method for producing the same |
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Legal Events
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201109 Address after: Room 201, 2 / F, building 2, No. 9, Taiji Road, Yuhang Economic and Technological Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG JIAXI OPTOELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. Address before: Room 06, 1 / F, jilou, 555 Dongchuan Road, Minhang District, Minhang District, Shanghai, 200241 Patentee before: KARHE TECHNOLOGY Co.,Ltd. |
|
| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: 311100 Room 201, 2 / F, building 2, No. 9, Taiji Road, Yuhang Economic and Technological Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Zhejiang Jiaxi Technology Co.,Ltd. Address before: Room 201, 2 / F, building 2, No. 9, Taiji Road, Yuhang Economic and Technological Development Zone, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG JIAXI OPTOELECTRONIC EQUIPMENT MANUFACTURING Co.,Ltd. |