CN204089373U - The mounting structure of motor magnet ring and motor - Google Patents
The mounting structure of motor magnet ring and motor Download PDFInfo
- Publication number
- CN204089373U CN204089373U CN201420469787.1U CN201420469787U CN204089373U CN 204089373 U CN204089373 U CN 204089373U CN 201420469787 U CN201420469787 U CN 201420469787U CN 204089373 U CN204089373 U CN 204089373U
- Authority
- CN
- China
- Prior art keywords
- magnet ring
- ring
- motor
- storage tank
- mounting structure
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 238000003860 storage Methods 0.000 claims abstract description 70
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 12
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000003292 glue Substances 0.000 abstract description 9
- 238000004804 winding Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model is applicable to machine field, disclose the mounting structure of motor magnet ring and there is the motor of this mounting structure, the mounting structure of motor magnet ring comprises cage rotor and magnet ring, cage rotor comprises rotor core and is located at first end ring of rotor core one end, first end ring has the first axial end back to rotor core, first axial end is arranged with storage tank, and magnet ring is fixed in storage tank.It reduces the axial space that magnet ring takies at motor internal on the one hand, provides chance to the part that automated production is convenient in increase on stator winding, is beneficial to the automated production of stator module; Make Hall element not only can be placed horizontally in motor but also can be vertically placed in motor on the other hand, improve the degree flexible for installation of Hall element; Avoid on the one hand again and be fixed magnet ring and cause the generation of the phenomenon of rotating shaft course of processing complexity because processing seamed edge in rotating shaft and be fixed because dripping glue in rotating shaft the phenomenon that magnet ring causes bearing useful life short.
Description
Technical field
The utility model belongs to machine field, particularly relates to the mounting structure of motor magnet ring and has the motor of this mounting structure.
Background technology
As shown in Figure 6, existing have in the motor of magnet ring 2 ', its magnet ring 2 ' is generally separately mounted on the different shaft part places of rotating shaft 3 ' from rotor 1 ', namely magnet ring 2 ' is directly installed in rotating shaft 3 ', and magnet ring 2 ' generally needs to carry out axial location by split washer 4 ' after being installed on rotating shaft 3 ' above.The mounting structure of existing magnet ring 2 ' has the following disadvantages in a particular application:
1) magnet ring 2 ' is directly installed in rotating shaft 3 ', occupies the axial space that motor internal is larger, thus causes the hall sensing face of Hall element 6 ' to be set to radial direction; And hall sensing face is when being radial, Hall element 6 ' can only vertically insert in BMC shell (plastic shell) 5 ', and then causes the degree flexible for installation of Hall element 6 ' lower;
2) internal structure of motor is compact, and be unfavorable for increases the part that other are convenient to automated production on stator winding 8 ', thus is unfavorable for the automated production of stator module;
3) rotating shaft 3 ' needs processing seamed edge to be fixed magnet ring 2 ', thus cause the rotating shaft 3 ' course of processing complicated; Or need drip glue in rotating shaft 3 ' and be fixed magnet ring 2 ', glue has the hidden danger dropped on bearing 7 ', and then have a strong impact on the useful life of bearing 7 '.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provide the mounting structure of motor magnet ring and there is the motor of this mounting structure, its be intended to solve existing motor magnet ring is directly installed on rotating shaft causes Hall element degree flexible for installation low, be unfavorable for stator module automated production and the rotating shaft course of processing is complicated or bearing useful life is short technical problem.
For achieving the above object, the technical solution adopted in the utility model is: the mounting structure of motor magnet ring, comprise cage rotor and magnet ring, described cage rotor comprises rotor core and is located at first end ring of described rotor core one end, described first end ring has the first axial end back to described rotor core, described first axial end is arranged with storage tank, and described magnet ring is fixed in described storage tank.
As a specific embodiments of storage tank structure, described rotor core has the contact end face with described first end loop contacts, described first end ring has internal ring wall and external annulus, described internal ring wall encloses formation inner chamber with the described end face that contacts, described storage tank is recessed towards described external annulus from described internal ring wall, and described storage tank and described inner space.
As another specific embodiments of storage tank structure, described rotor core has the contact end face with described first end loop contacts, described first end ring has internal ring wall and external annulus, described internal ring wall encloses formation inner chamber with the described end face that contacts, and described storage tank is located between described internal ring wall and described external annulus.
As the specific embodiments of magnet ring at storage tank methods of internal fixation, described magnet ring is inserted by interference fit card and is fixed in described storage tank.
As magnet ring another specific embodiments at storage tank methods of internal fixation, described magnet ring is bonded and fixed in described storage tank by bond.
Particularly, cylindrically, and it is one-body molded for described magnet ring.
Or cylindrically, and it is spliced by several magnetic poles and encloses and form described magnet ring.
Preferably, described storage tank is less than the height that described ring axial magnetic extends along described first axial end towards the degree of depth that side, described rotor core place is recessed.
More preferably, described storage tank is greater than 1/2nd of the height that described ring axial magnetic extends along described first axial end towards the degree of depth that side, described rotor core place is recessed.
The mounting structure of the motor magnet ring that the utility model provides, by arranging storage tank on the first axial end of the first end ring, and is fixed on magnet ring in storage tank, thus effectively can realize the installation of magnet ring on cage rotor and fix.Magnet ring is installed in the storage tank of cage rotor by the utility model, the axial space that magnet ring takies at motor internal can be effectively reduced on the one hand, provide chance to increasing other parts being convenient to automated production on stator winding, thus be beneficial to the automated production of stator module; Make Hall element not only can be placed horizontally in motor but also can be vertically placed in motor on the other hand, improve the degree flexible for installation of Hall element dramatically; Avoid on the one hand again and be fixed magnet ring and cause the generation of the phenomenon of rotating shaft course of processing complexity because processing seamed edge in rotating shaft and be fixed because dripping glue in rotating shaft the phenomenon that magnet ring causes bearing useful life short.
The utility model additionally provides motor, and it comprises the mounting structure of above-mentioned motor magnet ring.
The motor that the utility model provides, owing to have employed the mounting structure of above-mentioned motor magnet ring, therefore, be beneficial to the automated production degree improving motor, improve the degree flexible for installation of Hall element, simplify the course of processing of rotating shaft, fully ensure that the useful life of bearing.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the mounting structure of the motor magnet ring that the utility model embodiment one provides;
Fig. 2 is the schematic diagram after removing magnet ring in Fig. 1;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the schematic diagram after the mounting structure dismounting magnet ring of the motor magnet ring that the utility model embodiment two provides;
Fig. 5 is the right view of Fig. 4;
Fig. 6 is the schematic diagram of the mounting structure of the motor magnet ring that prior art provides.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment one:
As shown in Figures 1 to 3, the mounting structure of the motor magnet ring that the utility model embodiment one provides, comprise cage rotor 1 and magnet ring 2, cage rotor 1 comprises rotor core 11 and is located at first end ring 12 of rotor core 11 one end, first end ring 12 has the first axial end 121 back to rotor core 11, towards turning to side, sub-iron core place to be arranged with storage tank 122 on first axial end 121, magnet ring 2 is fixed in storage tank 122.Magnet ring 2 is installed in the storage tank 122 of cage rotor 1 by the present embodiment, the axial space that magnet ring 2 takies at motor internal can be effectively reduced on the one hand, provide chance to increasing other parts being convenient to automated production in stator winding (not shown), thus be beneficial to the automated production of stator module (not shown); Make Hall element (not shown) not only can be placed horizontally in motor but also can be vertically placed in motor on the other hand, improve the degree flexible for installation of Hall element dramatically; Avoid on the one hand again and be fixed magnet ring 2 and cause the generation of the phenomenon of rotating shaft 3 course of processing complexity because processing seamed edge in rotating shaft 3 and be fixed because dripping glue in rotating shaft 3 phenomenon that magnet ring 2 causes bearing (not shown) useful life short.
Particularly, cylindrically, its central shaft is provided with axially extending bore 21 to running through to magnet ring 2.Magnet ring 2 specifically can be one-body molded; Or magnet ring 2 can be enclosed by the splicing of several magnetic poles and form, and like this, all can be processed to form cylindric magnet ring 2.
Particularly, as depicted in figs. 1 and 2, rotor core 11 has the contact end face 111 contacted with the first end ring 12, first end ring 12 has internal ring wall 123 and external annulus 124, internal ring wall 123 with contact end face 111 and enclose and form inner chamber 125, ring wall 124 is recessed toward the outside from internal ring wall 123 for storage tank 122, and storage tank 122 is communicated with inner chamber 125.In the form of a ring, and the disconnected cross section of the inner one-sided profile of storage tank 122 (being positioned at the in-profile that inner chamber 125 is one-sided) is roughly in L-type for storage tank 122, and it is formed by enclosing near the first side channel wall 1222 of the first end ring 12 external annulus 124 and kerve wall 1221.Magnet ring 2 is installed on after in storage tank 122, and the outer wall laminating of magnet ring 2 is resisted against on the first side channel wall 1222 of storage tank 122, and magnet ring 2 is resisted against on the kerve wall 1221 of storage tank 122 towards the end face of rotor core 11.The present embodiment, only carry out directly spacing to the outer wall of magnet ring 2, and do not carry out directly spacing to the inwall of magnet ring 2, and fit tightly on the first side channel wall 1222 of storage tank 122 due to the outer wall of magnet ring 2, therefore it can reach the object of effectively restriction magnet ring 2 moving displacement in storage tank 122.
Particularly, magnet ring 2 is inserted by interference fit card and is fixed in storage tank 122, like this, effectively can realize the installation of magnet ring 2 in storage tank 122 to fix, its installation process is simple, installation steadiness is high, and can not need to increase any retaining element due to it, therefore, be beneficial to the mounting process simplifying magnet ring 2.Of course, in embody rule, in order to improve the solid and reliable property that magnet ring 2 is installed at storage tank 122 further, magnet ring 2 is also bonded and fixed in storage tank 122 by bond (not shown) such as glue; Because the bonds such as glue are not herein add in rotating shaft 3, therefore it is beneficial to the phenomenon avoiding glue to drop on bearing and occurs.
Or, magnet ring 2 is inserted by gap fiting mode or interference fits mode card and is fixed in storage tank 122, and magnet ring 2 is bonded and fixed in storage tank 122 by bond (not shown) such as glue, like this, also can realize the installation of magnet ring 2 in storage tank 122 to fix.
Preferably, storage tank 122 is less than the axially extended height of magnet ring 2 along the first axial end 121 towards the degree of depth that side, rotor core 11 place is recessed, like this, magnet ring 2 is installed on after in storage tank 122 and has the resettlement section 22 be axially contained in storage tank 122 and the convex dew portion 23 axially protruded from outside storage tank 122.The setting in convex dew portion 23, is beneficial to the Magnetic Field of Hall element better on reaction magnetic ring 2, thus is beneficial to the accuracy improving Hall element Detection Information.Of course, in embody rule, also can by storage tank 122 along the first axial end 121 depth design recessed towards side, rotor core 11 place for being equal to or slightly less than the axially extended height of magnet ring 2, like this, magnet ring 2 is installed on after in storage tank 122 only has the resettlement section 22 be contained in storage tank 122, and not there is the convex dew portion 23 protruded from outside storage tank 122, the accuracy of its Hall element Detection Information is relatively low.
More preferably, storage tank 122 is greater than 1/2nd of the axially extended height of magnet ring 2 along the first axial end 121 towards the degree of depth that side, rotor core 11 place is recessed, like this, magnet ring 2 is installed on after in storage tank 122, axial height (resettlement section 22 is along the axially extended height of the magnet ring 2) L1 of its resettlement section 22 is greater than axial height (convex dew portion 23 is along the axially extended height of the magnet ring 2) L2 in convex dew portion 23, thus is beneficial to and ensures that magnet ring 2 is installed on solid and reliable property in storage tank 122.
Particularly, as shown in Figure 1, cage rotor 1 also comprises the second end ring 13 of being located at rotor core 11 other end and several are located at sliver (not shown) on rotor core 11 in each rotor (not shown) respectively, the two ends of each sliver connect the first end ring 12 and the second end ring 13 respectively and form cage modle winding, and the second end ring 13 has the second axial end (figure does not indicate) back to rotor core 11.
Particularly, sliver can be aluminum strip or copper bar, and it specifically can casting.First end ring 12 and the second end ring 13 specifically all can be aluminium ring or copper ring.
Particularly, magnet ring 2 can axial charging, also can radial magnetizing, and the selection flexibility ratio of its mode of operation that magnetizes is high.
The utility model embodiment one additionally provides motor, and it comprises the mounting structure of above-mentioned motor magnet ring 2.The motor that the utility model embodiment provides, owing to have employed the mounting structure of above-mentioned motor magnet ring 2, therefore, be beneficial to the automated production degree improving motor, improve the degree flexible for installation of Hall element, simplify the course of processing of rotating shaft 3, fully ensure that the useful life of bearing.
Particularly, motor also comprises rotating shaft 3, stator module (not shown), plastic shell (not shown), circuit board (not shown), Hall element (not shown), front end housing (not shown), rear end cap (not shown), fore bearing (not shown) and rear bearing (not shown), cage rotor 1 is installed in rotating shaft 3, stator module is sheathed on outside cage rotor 1, plastic shell plastic packaging is in stator module, outside circuit board and Hall element, front end housing and rear end cap are located at the two ends of plastic shell respectively, fore bearing and rear bearing are installed on the two ends of rotating shaft 3 respectively and are contained in front end housing and rear end cap respectively, cage rotor 1 is between fore bearing and rear bearing, first end ring 12 and Hall element are all arranged near rear bearing, second end ring 13 is arranged near fore bearing.
More specifically, the motor that the present embodiment provides is PG motor (motor that rotating speed is controlled by the silicon controlled angle of flow), and circuit board is PG plate.
Particularly, Hall element can be placed horizontally in motor, also can be vertically placed in motor, and the degree flexible for installation of its Hall element is high, is beneficial to the structure optimizing motor.
Embodiment two:
As shown in Figure 4 and Figure 5, the mounting structure of the motor magnet ring 2 that the present embodiment provides, rotor core 11 has the contact end face 111 contacted with the first end ring 12, first end ring 12 has internal ring wall 123 and external annulus 124, internal ring wall 123 with contact end face 111 and enclose and form inner chamber 125, storage tank 122 is located between internal ring wall 123 and external annulus 124.Storage tank 122 in the form of a ring, and the disconnected cross section of the inner one-sided profile of storage tank 122 (being positioned at the in-profile that inner chamber 125 is one-sided) is generally u-shaped, it is enclosed by kerve wall 1221, the first side channel wall 1222 near the first end ring 12 external annulus 124 and the second side channel wall 1223 near the first end ring 12 internal ring wall 123 and is formed.Magnet ring 2 is installed on after in storage tank 122, the outer wall laminating of magnet ring 2 is resisted against on the first side channel wall 1222 of storage tank 122, the inwall laminating of magnet ring 2 is resisted against on the second side channel wall 1223 of storage tank 122, and magnet ring 2 is resisted against on the kerve wall 1221 of storage tank 122 towards the end face of rotor core 11.The present embodiment is with the difference of embodiment one: the storage tank 122 in embodiment one is communicated with the inner chamber 125 of the first end ring 12, and the outer wall of storage tank 122 pairs of magnet rings 2 carries out directly spacing and do not carry out directly spacing to the inwall of magnet ring 2; And the storage tank 122 in the present embodiment does not have the inner chamber 125 of connection first end ring 12 to arrange, storage tank 122 carries out directly spacing to the outer wall of magnet ring 2 and inwall simultaneously, and it is beneficial to and improves magnet ring 2 and be installed on solid and reliable property in storage tank 122.
The planform of the mainly storage tank 122 of the difference in the mounting structure of the motor magnet ring 2 that the present embodiment provides, motor and embodiment one, the mounting structure of the motor magnet ring 2 that the present embodiment provides, other structures of motor specifically can design see embodiment one, are not described in detail in this.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. the mounting structure of motor magnet ring, comprise cage rotor and magnet ring, described cage rotor comprises rotor core and is located at first end ring of described rotor core one end, described first end ring has the first axial end back to described rotor core, it is characterized in that: described first axial end is arranged with storage tank, and described magnet ring is fixed in described storage tank.
2. the mounting structure of motor magnet ring as claimed in claim 1, it is characterized in that: described rotor core has the contact end face with described first end loop contacts, described first end ring has internal ring wall and external annulus, described internal ring wall encloses formation inner chamber with the described end face that contacts, described storage tank is recessed towards described external annulus from described internal ring wall, and described storage tank and described inner space.
3. the mounting structure of motor magnet ring as claimed in claim 1, it is characterized in that: described rotor core has the contact end face with described first end loop contacts, described first end ring has internal ring wall and external annulus, described internal ring wall encloses formation inner chamber with the described end face that contacts, and described storage tank is located between described internal ring wall and described external annulus.
4. the mounting structure of the motor magnet ring as described in any one of claims 1 to 3, is characterized in that: described magnet ring is inserted by interference fit card and is fixed in described storage tank.
5. the mounting structure of the motor magnet ring as described in any one of claims 1 to 3, is characterized in that: described magnet ring is bonded and fixed in described storage tank by bond.
6. the mounting structure of the motor magnet ring as described in any one of claims 1 to 3, is characterized in that: cylindrically, and it is one-body molded for described magnet ring.
7. the mounting structure of the motor magnet ring as described in any one of claims 1 to 3, is characterized in that: cylindrically, and it is spliced by several magnetic poles and encloses and form described magnet ring.
8. the mounting structure of the motor magnet ring as described in any one of claims 1 to 3, is characterized in that: described storage tank is less than the height that described ring axial magnetic extends along described first axial end towards the degree of depth that side, described rotor core place is recessed.
9. the mounting structure of motor magnet ring as claimed in claim 8, is characterized in that: described storage tank is greater than 1/2nd of the height that described ring axial magnetic extends along described first axial end towards the degree of depth that side, described rotor core place is recessed.
10. motor, is characterized in that: the mounting structure comprising the motor magnet ring as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469787.1U CN204089373U (en) | 2014-08-19 | 2014-08-19 | The mounting structure of motor magnet ring and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420469787.1U CN204089373U (en) | 2014-08-19 | 2014-08-19 | The mounting structure of motor magnet ring and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089373U true CN204089373U (en) | 2015-01-07 |
Family
ID=52182042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420469787.1U Expired - Lifetime CN204089373U (en) | 2014-08-19 | 2014-08-19 | The mounting structure of motor magnet ring and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204089373U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300707A (en) * | 2014-08-19 | 2015-01-21 | 广东威灵电机制造有限公司 | Installation structure of motor magnetic ring and motor |
| CN104617728A (en) * | 2015-01-21 | 2015-05-13 | 广东威灵电机制造有限公司 | Mouse cage type motor |
| CN104617715A (en) * | 2015-01-21 | 2015-05-13 | 广东威灵电机制造有限公司 | Mouse cage type motor and manufacturing method thereof |
-
2014
- 2014-08-19 CN CN201420469787.1U patent/CN204089373U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300707A (en) * | 2014-08-19 | 2015-01-21 | 广东威灵电机制造有限公司 | Installation structure of motor magnetic ring and motor |
| CN104617728A (en) * | 2015-01-21 | 2015-05-13 | 广东威灵电机制造有限公司 | Mouse cage type motor |
| CN104617715A (en) * | 2015-01-21 | 2015-05-13 | 广东威灵电机制造有限公司 | Mouse cage type motor and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102891542B (en) | Glue sealing stator | |
| CN202488283U (en) | Direct current motor with electrolytic corrosion prevention structure | |
| CN204089373U (en) | The mounting structure of motor magnet ring and motor | |
| CN203387367U (en) | External rotor type motor | |
| CN206517191U (en) | A kind of drag cup brush motor | |
| CN106464108A (en) | Permanent magnet motor | |
| CN104364533B (en) | The fixed structure of pump and pump | |
| CN104300707A (en) | Installation structure of motor magnetic ring and motor | |
| CN202978556U (en) | Motor leading wire fixing clamp assembly and motor using motor leading wire fixing clamp assembly | |
| CN104300708A (en) | Installation structure of motor magnet and motor | |
| CN204145194U (en) | The mounting structure of PG plate and field frame assembly, plastic packaging motor | |
| CN201256311Y (en) | Non iron core disc type motor | |
| CN204089374U (en) | The mounting structure of motor magnet and motor | |
| CN205657532U (en) | Motor structure and model aeroplane and model ship aircraft that has this structure | |
| CN204361814U (en) | A kind of electric corrosion prevention structure of plastic packaging motor | |
| CN2884674Y (en) | Series excited machine for barrel washing machine | |
| CN203416064U (en) | Rotor structure of permanent-magnetic motor | |
| CN203708059U (en) | Energy-saving permanent-magnet brushless direct-current motor | |
| CN205051544U (en) | External rotor PMSM on casing is fixed to bearing | |
| CN204497938U (en) | A kind of external rotor electric machine | |
| CN202918081U (en) | Permanent-magnetic brushless sensorless direct current motor | |
| CN203813553U (en) | Automobile generator rotor framework | |
| CN201893635U (en) | Lightweight permanent magnet synchronous electric main shaft | |
| CN109742905A (en) | Motor element and steering engine | |
| CN209419413U (en) | Motor element and steering engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |