CN202444345U - Rotor of permanent magnet auxiliary synchronous magnetic reluctance motor and motor thereof - Google Patents
Rotor of permanent magnet auxiliary synchronous magnetic reluctance motor and motor thereof Download PDFInfo
- Publication number
- CN202444345U CN202444345U CN 201220079988 CN201220079988U CN202444345U CN 202444345 U CN202444345 U CN 202444345U CN 201220079988 CN201220079988 CN 201220079988 CN 201220079988 U CN201220079988 U CN 201220079988U CN 202444345 U CN202444345 U CN 202444345U
- Authority
- CN
- China
- Prior art keywords
- permanent magnet
- rotor
- magnet trough
- permanent
- reluctance motor
- 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
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a rotor of a permanent magnet auxiliary synchronous magnetic reluctance motor and the motor thereof. The rotor of the permanent magnet auxiliary synchronous magnetic reluctance motor comprises a rotor core and a plurality of permanent magnet groups, wherein a plurality of permanent magnet groove groups are distributed on the rotor core along the circumferential direction uniformly by taking the axis center of the rotor as the center of the circle; each permanent magnet groove group comprises a single layer or a plurality of layers of permanent magnet grooves; the number of the plurality of permanent magnet groups are same with that of the plurality of permanent magnet groove groups; each permanent magnet group comprises a single layer or a plurality of layers of permanent magnets which are embedded into permanent magnet grooves of corresponding permanent magnet groove groups; the permanent magnet in each permanent magnet group is of same polarity; and two adjacent permanent magnets are in opposite polarities; the end parts of at least one layer of permanent magnet grooves in the plurality of permanent magnet groove groups are sharpened ends with cut planes; and the width T and the middle width W of the cut plane of the sharpened ends of the permanent magnet groove with the sharpened end meets the following relationship. With the utility model, the whole anti-demagnetization ability and the operation reliability of the motor are improved.
Description
Technical field
The utility model relates to machine field, more specifically, relates to a kind of permanent magnetism assist in synchronization magnetic resistance motor rotor and motor thereof.
Background technology
Permanent magnetism assist in synchronization reluctance motor is because permanent magnet is embedded in the rotor core, and the fastness of rotor strengthens, and reduces the inner eddy current loss of permanent magnet.Permanent magnetism assist in synchronization reluctance motor d axle, q direction of principal axis inductance there are differences, and except the permanent-magnet torque that can utilize motor, can also utilize the reluctance torque of motor, improve efficiency of motor, so it is used more and more widely.But; The magneto that uses at present; All have the risk that is prone under mal-conditions such as electric motor starting failure or motor desynchronizing running, take place demagnetization, wherein ferrite permanent magnet demagnetizes easily at low temperatures, and Nd-Fe-B permanent magnet at high temperature demagnetizes easily.Therefore in order to improve the reliability of motor, need to improve the anti-demagnetization capability of motor.
As a rule improving the anti-demagnetization capability of motor can realize through the method that improves permanent magnet material performance, increase permanent magnet thickness; But above method increases obviously the cost of motor; Even and if under the part situation, adopt the permanent magnet of optimum performance, and in the scope that structure allows, adopting the thickest permanent magnet, anti-demagnetization capability also possibly not satisfy the demands; For the permanent magnet internal permanent magnet synchronous motor that adopts the multilayer permanent magnet; For the whole anti-demagnetization capability that improves motor requires the anti-demagnetization capability of each layer permanent magnet consistent as far as possible, because the restriction of structure or technology is difficult to also make that the demagnetization current of each layer permanent magnet is consistent.
The utility model content
The utility model purpose is to provide a kind of permanent magnetism assist in synchronization magnetic resistance motor rotor and motor thereof that improves anti-demagnetization capability of motor and operating reliability.
The utility model provides a kind of rotor of permanent magnetism assist in synchronization reluctance motor; Comprise: rotor core; In said rotor core, be the center of circle by circumferencial direction a plurality of permanent magnet trough groups that evenly distribute with the axle center of said rotor, each permanent magnet trough group comprises the single or multiple lift permanent magnet trough; A plurality of set of permanent magnets; Identical with the quantity of a plurality of said permanent magnet trough groups; Each set of permanent magnets comprises that single or multiple lift is embedded in the permanent magnet in the permanent magnet trough of corresponding permanent magnet trough group respectively; Each permanent magnet in each set of permanent magnets is same polarity, and two adjacent set of permanent magnets polarity are opposite; The end of the permanent magnet trough of one deck at least in wherein a plurality of permanent magnet trough groups is the sharpening end with cutting face, relation below width T and the intermediate width W in cutting face of sharpening end with permanent magnet trough of sharpening end satisfies:
Further, the thickness of permanent magnet trough successively decreases from the middle to both ends gradually.
Further, the uniform in thickness of permanent magnet trough medial launder section, the thickness of end grooves section begins to successively decrease gradually to end from the junction of medial launder section and end grooves section.
Further, the uniform in thickness of permanent magnet trough medial launder section, the uniform in thickness of the lead-over groove section of connection sharpening end and medial launder section, and the thickness of lead-over groove section is littler than the thickness of medial launder section.
Further, the end that has a permanent magnet trough of sharpening end is a wedge angle.
Further, the end that has a permanent magnet trough of sharpening end has oblique angle or rounding.
Further, each permanent magnet trough group of said rotor comprises the multilayer permanent magnet trough, does not place permanent magnet in the outermost layer permanent magnet trough in the multilayer permanent magnet trough.
Further, each permanent magnet trough group of said rotor comprises the multilayer permanent magnet trough, the outermost layer permanent magnet trough in the multilayer permanent magnet trough the end be sharpening end with cutting face.
Further, the shape of the permanent magnet of said rotor is arc or box-shaped.
Further, the shape of the permanent magnet trough of said rotor is arc or U-shaped or V-arrangement.
Further, the permanent magnet trough of said rotor comprises medial launder section that is positioned at the middle part and the end grooves section of extending to the excircle of said rotor from the end of medial launder section, and said permanent magnet only is arranged in the said medial launder section.
The utility model also provides a kind of permanent magnetism assist in synchronization reluctance motor, comprise stator and by said track ring around rotating rotor, wherein said rotor is the rotor of aforesaid permanent magnetism assist in synchronization reluctance motor.
Rotor according to the permanent magnetism assist in synchronization reluctance motor of the utility model; Through the end of the permanent magnet trough of one deck at least in the permanent magnet trough group is fined away; Can improve the anti-demagnetization capability of equivalent layer permanent magnet, thereby improve the whole anti-demagnetization capability of motor, improve the operating reliability of motor.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide the further understanding to the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the rotor structure sketch map according to the permanent magnetism assist in synchronization reluctance motor of first embodiment of the utility model;
Fig. 2 is the rotor structure sketch map according to the permanent magnetism assist in synchronization reluctance motor of second embodiment of the utility model;
Fig. 3 is the rotor structure sketch map according to the permanent magnetism assist in synchronization reluctance motor of the 3rd embodiment of the utility model;
Fig. 4 is the rotor structure sketch map according to the permanent magnetism assist in synchronization reluctance motor of the 4th embodiment of the utility model;
Fig. 5 is the rotor structure sketch map according to the permanent magnetism assist in synchronization reluctance motor of the 5th embodiment of the utility model; And
Fig. 6 influences sketch map according to terminal sharpening of the rotor permanent magnet groove of the permanent magnetism assist in synchronization reluctance motor of first embodiment of the utility model to demagnetization current.
Embodiment
Below with reference to accompanying drawing and combine embodiment to specify the utility model.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Fig. 1 shows the rotor of the permanent magnetism assist in synchronization reluctance motor of the utility model first embodiment.This rotor has six set of permanent magnets, i.e. six utmost points, and each set of permanent magnets has two-layer permanent magnet, and permanent magnet trough and permanent magnet are arc.Below with reference to Fig. 1 and Fig. 6 first embodiment is specified.
The rotor 1 of the permanent magnetism assist in synchronization reluctance motor of first embodiment comprises rotor core 2 and a plurality of set of permanent magnets.Rotor core 2 is overrided to form by silicon steel plate; Axle center with rotor 1 in rotor core 2 is that the center of circle is by even six the permanent magnet trough groups that distribute of circumferencial direction; Each permanent magnet trough group comprises two-layer permanent magnet trough 3, promptly is positioned at inboard permanent magnet trough 3a and the outer permanent magnet trough 3b that is positioned at the outside.Six set of permanent magnets and six corresponding settings of permanent magnet trough group; Each set of permanent magnets comprises the two-layer permanent magnet 4 in the permanent magnet trough that is embedded in corresponding permanent magnet trough group respectively; Promptly be positioned at inboard permanent magnet 4a and the outer permanent magnet 4b that is positioned at the outside; Each permanent magnet 4 in each set of permanent magnets is same polarity, and the polarity of two adjacent set of permanent magnets is opposite, and six set of permanent magnets along the circumferential direction alternately distribute according to the N utmost point, the S utmost point.The arcuate structure of interior permanent magnet 4a and outer permanent magnet 4b is to projecting inward.Permanent magnet 4 is slightly shorter than corresponding permanent magnet trough 3, and permanent magnet 4 inserts permanent magnet trough 3 backs and respectively leaves certain gap at both ends, can fill air or other non-magnetic media in the space.
The end of the permanent magnet trough of one deck at least 3 in a plurality of permanent magnet trough groups of the utility model is fined away; Promptly the end of one deck permanent magnet trough 3 is the sharpening end with cutting face at least; Relation below width T and the intermediate width W in cutting face of sharpening end with permanent magnet trough 3 of sharpening end satisfies:
is in first embodiment; The end that is in particular outer permanent magnet trough 3b is fined away; As shown in Figure 1, the end of outer permanent magnet trough 3b is the end sharpening structure with oblique angle; The end thickness of interior permanent magnet trough 3a does not have significant change, but partly begins terminad attenuate gradually from the centre.
Experiment finds to have under the situation of two-layer permanent magnet 4 in set of permanent magnets; The demagnetization current of permanent magnet 4a in the demagnetization current of outer permanent magnet 4b is less than; Cause the whole demagnetization current of motor to descend; Through design with the terminal sharpening of outer permanent magnet trough 3b; Can effectively improve the demagnetization current of outer permanent magnet 4b; Thereby improve the whole demagnetization current of motor, wherein the ratio of the width T in the cutting face of the end of terminal permanent magnet trough 3 of fining away and intermediate width W is as shown in Figure 6 to the influence of demagnetization current, can know according to experimental result; When meeting
this condition, the motor demagnetization current can obviously increase.
Wherein, the thickness that has a permanent magnet trough 3 of sharpening end can be to successively decrease gradually from the middle to both ends.
For the demagnetization current that makes motor reaches maximum, the end with permanent magnet trough of sharpening end can also be wedge angle, i.e. T=0.
End with permanent magnet trough 3 of sharpening end can also have oblique angle or rounding.
Each permanent magnet trough group at rotor comprises under the situation of multilayer permanent magnet trough; Demagnetize for fear of the rotor outer layer permanent magnet; The parameters such as back-emf and inductance that cause motor change, and cause the motor-driven reliability decrease, in outermost permanent magnet trough 3, can not place permanent magnet 4.
The shape of the permanent magnet 4 of the rotor of permanent magnetism assist in synchronization reluctance motor can be arc or box-shaped.The shape of the permanent magnet trough 3 of rotor can be arc or U-shaped or V-arrangement.
Fig. 2 to Fig. 5 shows the rotor structure of permanent magnetism assist in synchronization reluctance motor of other embodiment of the utility model.
In second embodiment shown in Figure 2, be the rotor structure of camber for sextupole, every utmost point individual layer permanent magnet, permanent magnet trough 3 and permanent magnet 4.The interior thickness homogeneous of each permanent magnet trough 3, the processing of only fining away two ends makes the end of permanent magnet trough 3 form the structure of approximate trapezoid.
In the 3rd embodiment shown in Figure 3, be four utmost points, every extremely double-deck permanent magnet, U-shaped permanent magnet trough, place the rotor structure of box-shaped permanent magnet in the middle of the permanent magnet trough.Interior permanent magnet trough 3a and outer permanent magnet trough 3b have the medial launder section that is positioned at the middle part and from the end of medial launder section to the end grooves section of the excircle extension of rotor, permanent magnet only is arranged in the medial launder section.The medial launder section uniform in thickness of U-shaped permanent magnet trough, the end of permanent magnet trough does not have obvious varied in thickness, and the thickness of the end grooves section of U-shaped permanent magnet trough begins to successively decrease gradually to end from the junction of medial launder section and end grooves section.In Fig. 3 and Fig. 4, the width in the cutting face of the sharpening end of inside and outside permanent magnet trough is respectively with T1 and T2 representative, and corresponding intermediate width is with W1 and W2 representative.
In the 4th embodiment shown in Figure 4, be the rotor structure of four utmost points, every extremely double-deck permanent magnet, box-shaped permanent magnet, U-shaped permanent magnet trough.The end of permanent magnet trough 3a and the outer permanent magnet trough 3b processing of all fining away in it; The U-shaped bottom thickness homogeneous of U-shaped permanent magnet trough; Both sides uniform in thickness but can be different with the U-shaped bottom thickness is fined away in the end of permanent magnet trough 3a and 3b, has formed the end sharpening structure with oblique angle.
In the 5th embodiment shown in Figure 5, be the rotor structure of four utmost points, every extremely double-deck permanent magnet, box-shaped permanent magnet, V-arrangement permanent magnet trough.The interior thickness homogeneous of each permanent magnet trough, processings of only fining away two ends, wherein, the end of outer permanent magnet trough 3b be have the oblique angle end sharpening structure, and the end of interior permanent magnet trough 3b is the horn structure of representing with Z, i.e. T=0.
More than the permanent magnetism assist in synchronization magnetic resistance motor rotor of each embodiment; No matter be the V shape rotor of the extremely double-deck square permanent magnet of U-shaped rotor or four of the double-deck camber PM rotor of sextupole, sextupole individual layer camber PM rotor, four extremely double-deck square permanent magnets; As long as meet the condition of
; Can improve the motor demagnetization current, thereby improve the motor rotation reliability.
The permanent magnetism assist in synchronization reluctance motor of the utility model comprise stator and by track ring around rotating rotor, wherein, rotor is the rotor of aforesaid permanent magnetism assist in synchronization reluctance motor.This permanent magnetism assist in synchronization reluctance motor can improve the anti-demagnetization capability of motor, can be applied in the systems such as compressor of air conditioner, electric motor car and fan.
The installation method of the permanent magnetism assist in synchronization reluctance motor of the utility model may further comprise the steps:
From above description, can find out; The utility model the above embodiments have realized following technique effect: through the end of the permanent magnet trough of one deck at least in the permanent magnet trough group is fined away; Can improve the anti-demagnetization capability of equivalent layer permanent magnet; Thereby improve the whole anti-demagnetization capability of motor, improve the operating reliability of motor.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (12)
1. the rotor of a permanent magnetism assist in synchronization reluctance motor comprises:
Rotor core is the center of circle by circumferencial direction a plurality of permanent magnet trough groups that evenly distribute with the axle center of said rotor in said rotor core, and each permanent magnet trough group comprises the single or multiple lift permanent magnet trough;
A plurality of set of permanent magnets; Identical with the quantity of a plurality of said permanent magnet trough groups; Each set of permanent magnets comprises that single or multiple lift is embedded in the permanent magnet in the permanent magnet trough of corresponding permanent magnet trough group respectively; Each permanent magnet in each set of permanent magnets is same polarity, and two adjacent set of permanent magnets polarity are opposite; It is characterized in that,
The end of the permanent magnet trough of one deck at least in a plurality of permanent magnet trough groups is the sharpening end with cutting face, relation below width T and the intermediate width W in cutting face of sharpening end with permanent magnet trough of sharpening end satisfies:
2. the rotor of permanent magnetism assist in synchronization reluctance motor according to claim 1 is characterized in that the thickness of permanent magnet trough successively decreases from the middle to both ends gradually.
3. the rotor of permanent magnetism assist in synchronization reluctance motor according to claim 1 is characterized in that, the uniform in thickness of permanent magnet trough medial launder section, and the thickness of end grooves section begins to successively decrease gradually to end from the junction of medial launder section and end grooves section.
4. the rotor of permanent magnetism assist in synchronization reluctance motor according to claim 1; It is characterized in that; The uniform in thickness of permanent magnet trough medial launder section, the uniform in thickness of the lead-over groove section of connection sharpening end and medial launder section, and the thickness of lead-over groove section is littler than the thickness of medial launder section.
5. the rotor of permanent magnetism assist in synchronization reluctance motor according to claim 1 is characterized in that, the end with permanent magnet trough of sharpening end is a wedge angle.
6. the rotor of permanent magnetism assist in synchronization reluctance motor according to claim 1 is characterized in that, the end with permanent magnet trough of sharpening end has oblique angle or rounding.
7. according to the rotor of each described permanent magnetism assist in synchronization reluctance motor in the claim 1 to 6, it is characterized in that each permanent magnet trough group of said rotor comprises the multilayer permanent magnet trough, does not place permanent magnet in the outermost layer permanent magnet trough in the multilayer permanent magnet trough.
8. according to the rotor of each described permanent magnetism assist in synchronization reluctance motor in the claim 1 to 6; It is characterized in that; Each permanent magnet trough group of said rotor comprises the multilayer permanent magnet trough, and the end of the outermost layer permanent magnet trough in the multilayer permanent magnet trough is the sharpening end with cutting face.
9. according to the rotor of each described permanent magnetism assist in synchronization reluctance motor in the claim 1 to 6, it is characterized in that the shape of the permanent magnet of said rotor is arc or box-shaped.
10. according to the rotor of each described permanent magnetism assist in synchronization reluctance motor in the claim 1 to 6, it is characterized in that the shape of the permanent magnet trough of said rotor is arc or U-shaped or V-arrangement.
11. rotor according to each described permanent magnetism assist in synchronization reluctance motor in the claim 1 to 6; It is characterized in that; The permanent magnet trough of said rotor comprises medial launder section that is positioned at the middle part and the end grooves section of extending to the excircle of said rotor from the end of medial launder section, and said permanent magnet only is arranged in the said medial launder section.
12. a permanent magnetism assist in synchronization reluctance motor, comprise stator and by said track ring around rotating rotor, it is characterized in that said rotor is the rotor according to each described permanent magnetism assist in synchronization reluctance motor in the claim 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220079988 CN202444345U (en) | 2012-03-05 | 2012-03-05 | Rotor of permanent magnet auxiliary synchronous magnetic reluctance motor and motor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220079988 CN202444345U (en) | 2012-03-05 | 2012-03-05 | Rotor of permanent magnet auxiliary synchronous magnetic reluctance motor and motor thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202444345U true CN202444345U (en) | 2012-09-19 |
Family
ID=46825775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220079988 Expired - Lifetime CN202444345U (en) | 2012-03-05 | 2012-03-05 | Rotor of permanent magnet auxiliary synchronous magnetic reluctance motor and motor thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202444345U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019174312A1 (en) * | 2018-03-16 | 2019-09-19 | 珠海格力电器股份有限公司 | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric automobile |
| WO2019214226A1 (en) * | 2018-05-08 | 2019-11-14 | 珠海格力电器股份有限公司 | Rotor structure, permanent magnet assisted synchronous reluctance motor, and electric car |
| CN110518725A (en) * | 2019-07-25 | 2019-11-29 | 杭州电子科技大学 | A kind of hybrid permanent magnet type permanent-magnet synchronous magnetic resistance motor rotor structure for electric vehicle |
| CN112104180A (en) * | 2020-08-21 | 2020-12-18 | 石镇德 | Asynchronous starting permanent magnet auxiliary type synchronous reluctance motor |
| EP3761485A4 (en) * | 2018-03-16 | 2021-04-21 | Gree Electric Appliances, Inc. of Zhuhai | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle |
| EP3767793A4 (en) * | 2018-03-16 | 2021-04-21 | Gree Electric Appliances, Inc. of Zhuhai | Rotor structure, permanent magnet assisted synchronous reluctance motor and electric automobile |
-
2012
- 2012-03-05 CN CN 201220079988 patent/CN202444345U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019174312A1 (en) * | 2018-03-16 | 2019-09-19 | 珠海格力电器股份有限公司 | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric automobile |
| EP3761485A4 (en) * | 2018-03-16 | 2021-04-21 | Gree Electric Appliances, Inc. of Zhuhai | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle |
| EP3767793A4 (en) * | 2018-03-16 | 2021-04-21 | Gree Electric Appliances, Inc. of Zhuhai | Rotor structure, permanent magnet assisted synchronous reluctance motor and electric automobile |
| US11637464B2 (en) | 2018-03-16 | 2023-04-25 | Gree Electric Appliances, Inc. Of Zhuhai | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric vehicle |
| US11770038B2 (en) | 2018-03-16 | 2023-09-26 | Gree Electric Appliances, Inc. Of Zhuhai | Rotor structure, permanent magnet auxiliary synchronous reluctance motor, and electric vehicle |
| WO2019214226A1 (en) * | 2018-05-08 | 2019-11-14 | 珠海格力电器股份有限公司 | Rotor structure, permanent magnet assisted synchronous reluctance motor, and electric car |
| CN110518725A (en) * | 2019-07-25 | 2019-11-29 | 杭州电子科技大学 | A kind of hybrid permanent magnet type permanent-magnet synchronous magnetic resistance motor rotor structure for electric vehicle |
| CN110518725B (en) * | 2019-07-25 | 2020-10-23 | 杭州电子科技大学 | Mixed permanent magnet type permanent magnet synchronous reluctance motor rotor structure for electric automobile |
| CN112104180A (en) * | 2020-08-21 | 2020-12-18 | 石镇德 | Asynchronous starting permanent magnet auxiliary type synchronous reluctance motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202444345U (en) | Rotor of permanent magnet auxiliary synchronous magnetic reluctance motor and motor thereof | |
| CN102761183B (en) | Motor rotor and motor with same | |
| CN202142924U (en) | Motor rotor and motor with same | |
| CN103872819B (en) | Rotor assembly and permanent magnet motor including the same | |
| US8896175B2 (en) | Rotor of an electric machine with embedded permanent magnets and electric machine | |
| US8917005B2 (en) | Rotor barrier shaping for demagnetization mitigation in an internal permanent magnet machine | |
| CN101820238B (en) | Method and apparatus for a permanent magnet machine with asymmetrical rotor magnets | |
| CN202142926U (en) | Motor rotor and motor with same | |
| CN101707405B (en) | Halbach array external rotor of composite-structure permanent magnet motor | |
| CN102780291A (en) | Motor rotor and motor with same | |
| JP6211524B2 (en) | Rotating electrical machine rotor and rotating electrical machine with rotor | |
| CN102761182B (en) | Motor rotor and motor with same | |
| CN103066719B (en) | A kind of magneticfocusing stator permanent magnetic type vernier motor | |
| CN101707404B (en) | Halbach array disk rotor of permanent magnet motor with composite structure | |
| CN105814774A (en) | Rotary electric machine rotor | |
| CN102790457A (en) | Permanent magnet auxiliary synchronized reluctance motor rotor and motor thereof and installation method of motor | |
| EP2887504A2 (en) | Interior permanent magnet synchronous motor | |
| CN102801236A (en) | Permanent magnet auxiliary synchronous reluctance motor and rotor thereof, and assembly method for motor | |
| CN104380573A (en) | Rotor for electric motor | |
| CN202444391U (en) | Permanent magnetic assisted synchronous reluctance motor and rotor thereof | |
| CN106464050B (en) | The rotor of permanent magnet with the flux concentration for rotating electric machine | |
| CN102780292B (en) | Permanent magnet assistant synchronous reluctance motor rotor, motor with same and installation method | |
| CN202444342U (en) | Permanent magnetic assisted synchronous reluctance motor rotor and motor with same | |
| CN102761185B (en) | Permanent-magnetic auxiliary synchronous reluctance motor and installation method of rotor and motor of reluctance motor | |
| CN110875656B (en) | Motor rotor, motor and electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120919 |
|
| CX01 | Expiry of patent term |