CN206790322U - Core structure, motor, compressor and refrigeration plant - Google Patents

Core structure, motor, compressor and refrigeration plant Download PDF

Info

Publication number
CN206790322U
CN206790322U CN201720598234.XU CN201720598234U CN206790322U CN 206790322 U CN206790322 U CN 206790322U CN 201720598234 U CN201720598234 U CN 201720598234U CN 206790322 U CN206790322 U CN 206790322U
Authority
CN
China
Prior art keywords
magnet ring
stator
core
equal
core 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.)
Withdrawn - After Issue
Application number
CN201720598234.XU
Other languages
Chinese (zh)
Inventor
乔正忠
郑军洪
刘芳芳
邱小华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Meizhi Compressor Co Ltd
Original Assignee
Guangdong Meizhi Compressor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Meizhi Compressor Co Ltd filed Critical Guangdong Meizhi Compressor Co Ltd
Priority to CN201720598234.XU priority Critical patent/CN206790322U/en
Application granted granted Critical
Publication of CN206790322U publication Critical patent/CN206790322U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of core structure, motor, compressor and refrigeration plant.Core structure includes:Stator core and rotor core, stator core are provided with stator tooth, and adjacent stator tooth surrounds the stator slot of one end open;Rotor core is provided with magnet ring;Wherein, the product of the width of the slot number of stator slot and stator tooth is A, and the product of the diameter of the working face of magnet ring and the remanent magnetism of magnet ring is that B, B and A ratio are more than or equal to 0.3, and less than or equal to 1.2.By the way that the slot number of stator slot is multiplied with the width of stator tooth, the diameter of the working face of magnet ring is multiplied with the remanent magnetism of magnet ring, and the ratio of two products is arranged to 0.3 to 1.2, while the power density of effectively lifting motor, it turn avoid stator tooth magnetic circuit saturation and the loss of stator core and rotor core is increased, and then the efficiency of motor is improved, effectively improve product quality so that product possesses the higher market competitiveness.

Description

Core structure, motor, compressor and refrigeration plant
Technical field
Technical field of motors is the utility model is related to, in particular to a kind of core structure, motor, compressor and system Cool equipment.
Background technology
At present, in the related art, compressor is typically embedded in the structure in rotor core with magneto with permanent magnet Based on.The magneto of embedded rotor structure, quadrature axis and d-axis have unequal inductance, and rotor gap is small;It is another Aspect, the magneto of embedded rotor structure, air gap magnetic density waveform is typically in the shape of a saddle, therefore built-in permanent magnetic motor is made an uproar Sound is big, causes the compressor noise for carrying it big, so as to influence to carry the air-conditioning of compressor or the comfortableness of refrigerator.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art or correlation technique.
Therefore, first purpose of the utility model is to propose a kind of core structure.
Second purpose of the present utility model is to propose a kind of motor.
3rd purpose of the present utility model is to propose a kind of compressor.
4th purpose of the present utility model is to propose a kind of refrigeration plant.
In view of this, a kind of core structure is provided, is used for according to first purpose of the present utility model, the utility model Motor, core structure include:Stator core and rotor core, stator core are provided with stator tooth, and adjacent stator tooth surrounds one The stator slot of end opening;Rotor core is provided with magnet ring;Wherein, the product of the width of the slot number of stator slot and stator tooth is A, magnetic The product of the diameter of the working face of ring and the remanent magnetism of magnet ring is that B, B and A ratio are more than or equal to 0.3, and is less than or equal to 1.2。
Core structure provided by the utility model, by setting magnet ring, and adjacent stator tooth on rotor core The opening surrounded reduces the noise of motor, and then reduce the refrigeration plant using the motor towards the working face of magnet ring Noise, can effectively lift the experience sense of user and the satisfaction to product;By by the slot number of stator slot and stator tooth Width be multiplied, the diameter of the working face of magnet ring is multiplied with the remanent magnetism of magnet ring, and by the ratio of two products be arranged to 0.3 to 1.2, while the power density of effectively lifting motor, it turn avoid stator tooth magnetic circuit saturation and make stator core and rotor The loss of iron core rises, and then improves the efficiency of motor, effectively improves product quality so that product possesses higher city Field competitiveness.
In addition, the core structure in above-mentioned technical proposal provided by the utility model can also have following supplementary technology special Sign:
In the above-mentioned technical solutions, it is preferable that magnet ring is sintering magnetic Nd-Fe-B ring, and the remanent magnetism of magnet ring is more than or equal to 1.1T, and it is less than or equal to 1.4T.
In the technical scheme, by the way that magnet ring is arranged into sintering magnetic Nd-Fe-B ring, sintering magnetic Nd-Fe-B ring is easy to orient Magnetize, it is ensured that the stability of working face;And by the way that remanent magnetism of the sintering magnetic Nd-Fe-B ring when environment temperature is 25 DEG C is set For 1.1T to 1.4T, while the magnetic flux density of magnet ring is effectively lifted, avoid causing stator tooth magnetic circuit because remanent magnetism is excessive Saturation, effectively improve the efficiency of motor.
In any of the above-described technical scheme, it is preferable that B and A ratio is more than or equal to 0.5, and is less than or equal to 1.2。
In the technical scheme, when magnet ring is sintering magnetic Nd-Fe-B ring, by the slot number of stator slot and the width of stator tooth It is multiplied, the diameter of the working face of magnet ring is multiplied with the remanent magnetism of magnet ring, and the ratio of two products is arranged to 0.5 to 1.2, Avoid further improving the efficiency of motor while magnetic circuit saturation, and then the overall performance of motor is got a promotion, effectively Ground improves the quality of product.
Specifically, in the technical scheme, when the remanent magnetism of magnet ring is 1.2T, number of stator slots is 9, then magnet ring working face is straight The ratio of the width of footpath and stator tooth is 3.75 to 9, and when magnet ring working face is 45mm, the width of stator tooth is 5mm to 12mm.
In any of the above-described technical scheme, it is preferable that magnet ring is Agglutinate neodymium-iron-boron magnet ring, and the remanent magnetism of magnet ring is more than or equal to 0.6T, and it is less than or equal to 1.0T.
In the technical scheme, by the way that magnet ring is arranged into Agglutinate neodymium-iron-boron, the corrosion resistance of magnet ring is effectively improved, And then improve the service life of motor;And by the way that remanent magnetism of the Agglutinate neodymium-iron-boron magnet ring when environment temperature is 25 DEG C is set For 0.6T to 1.0T, while the magnetic flux density of magnet ring is effectively lifted, avoid causing stator tooth magnetic circuit because remanent magnetism is excessive Saturation, effectively improve the efficiency of motor.
In any of the above-described technical scheme, it is preferable that B and A ratio is more than or equal to 0.3, and is less than or equal to 1.0。
In the technical scheme, when magnet ring is Agglutinate neodymium-iron-boron magnet ring, the corrosion resistance of magnet ring is effectively being lifted Meanwhile the slot number of stator slot is multiplied with the width of stator tooth, the diameter of the working face of magnet ring is multiplied with the remanent magnetism of magnet ring, and The ratio of two products is arranged to 0.5 to 1.2, the efficiency of motor is further improved while magnetic circuit saturation is avoided, is entered And make it that the overall performance of motor gets a promotion, and effectively improves the quality of product.
In any of the above-described technical scheme, it is preferable that rotor core is embedded in stator core;The lateral surface of magnet ring is magnet ring Working face.
In the technical scheme, magnet ring be embedded in stator core inside when, the lateral surface of magnet ring is working face, pass through by Magnet ring be embedded in stator core inside, be easy to assemble, can effectively improving production efficiency, and this kind of structure is applied widely, So that motor possesses certain versatility.
In any of the above-described technical scheme, it is preferable that rotor core is sheathed on the outside of stator core;The medial surface of magnet ring For the working face of magnet ring.
In the technical scheme, when magnet ring is sheathed on the outside of stator core, the medial surface of magnet ring is working face, is passed through Magnet ring is sheathed on to the outside of stator core so that motor is applicable to the product with special construction, effectively improves electricity The use range of machine.
According to second purpose of the present utility model, the utility model provides a kind of motor, including any skill as described above Core structure described in art scheme, therefore, the motor have the whole of the core structure described in any of the above-described technical scheme beneficial Effect.
According to the 3rd purpose of the present utility model, the utility model provides a kind of compressor, including any as described above Core structure described in technical scheme, therefore, the compressor have the whole of the core structure described in any of the above-described technical scheme Beneficial effect.
In the above-mentioned technical solutions, it is preferable that compressor also includes:Housing, bent axle, cylinder and piston, core structure are solid Due in housing;Bent axle is connected with rotor core, is rotated with the rotation of rotor core;Cylinder is fixed in housing, cylinder With cavity;Piston is embedded in cavity, is rotated or is moved back and forth in cavity, with compressed gas;Wherein, piston passes through Connecting rod is connected with bent axle, and bent axle is connected by base bearing and supplementary bearing with housing into rotation.
In the technical scheme, bent axle is connected by compressor by connecting rod with piston so that bent axle band piston, which is done, to be rotated Motion moves back and forth, and realizes the compression to gas, compression efficiency is high, and compression speed is fast, effectively improves the quality of product.
According to the 4th purpose of the present utility model, the utility model provides a kind of refrigeration plant, including appoints as described above Compressor described in one technical scheme, therefore, the refrigeration plant have the whole of the compressor described in any of the above-described technical scheme Beneficial effect.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment Become obvious and be readily appreciated that, wherein:
Fig. 1 shows the core structure schematic diagram according to one embodiment of the present utility model;
Fig. 2 shows the efficiency curve diagram according to one embodiment of the present utility model;
Fig. 3 shows the core structure schematic diagram according to another embodiment of the present utility model;
Fig. 4 shows the core structure schematic diagram according to further embodiment of the present utility model;
Fig. 5 shows the compressor arrangement schematic diagram according to one embodiment of the present utility model;
Wherein, the corresponding relation between the reference in Fig. 1 to Fig. 5 and component names is:
10 stator cores, 102 stator tooths, 104 stator slots, 20 rotor cores, 202 magnet rings, 30 housings, 40 bent axles, 50 masters Bearing, 60 pistons, 70 cylinders, 80 supplementary bearings.
Embodiment
In order to be more clearly understood that above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the accompanying drawings and tool The utility model is further described in detail body embodiment.It should be noted that in the case where not conflicting, this Shen The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality New to be different from other modes described here using other to implement, therefore, the scope of protection of the utility model is simultaneously Do not limited by following public specific embodiment.
Referring to Fig. 1 to Fig. 5 descriptions according to the utility model some embodiments core structure, motor, compressor And refrigeration plant.
In the utility model first aspect embodiment, as shown in figure 1, the utility model provides a kind of core structure, For motor, core structure includes:Stator core 10 and rotor core 20, stator core 10 is provided with stator tooth 102, adjacent Stator tooth 102 surrounds the stator slot 104 of one end open;Rotor core 20 is provided with magnet ring 202;Wherein, the slot number of stator slot 104 Product with the width of stator tooth 102 is A, and the product of the diameter of the working face of magnet ring 202 and the remanent magnetism of magnet ring 202 is B, B and A Ratio be more than or equal to 0.3, and less than or equal to 1.2.
In this embodiment, by setting magnet ring 202 on rotor core 20, and adjacent stator tooth 102 is surrounded Opening towards the working face of magnet ring 202, reduce the noise of motor, and then reduce and made an uproar using the refrigeration plant of the motor Sound, it can effectively lift the experience sense of user and the satisfaction to product;By by the slot number of stator slot 104 and stator tooth 102 Width be multiplied, the diameter of the working face of magnet ring 202 is multiplied with the remanent magnetism of magnet ring 202, and by the ratio setting of two products For 0.3 to 1.2, while the power density of effectively lifting motor, it turn avoid the magnetic circuit saturation of stator tooth 102 and make stator The loss of iron core 10 and rotor core 20 rises, and then improves the efficiency of motor, effectively improves product quality so that production Product possess the higher market competitiveness.
Specifically, as shown in Fig. 2 X-axis is B and A ratio, Y-axis is the efficiency of motor, by verification experimental verification, as B and A Ratio when between 0.3 to 1.2, the efficiency of motor is obviously improved.
In one embodiment of the present utility model, it is preferable that magnet ring 202 is sintering magnetic Nd-Fe-B ring, and magnet ring 202 remains Magnetic is more than or equal to 1.1T, and is less than or equal to 1.4T.
In this embodiment, by the way that magnet ring 202 is arranged into sintering magnetic Nd-Fe-B ring, sintering magnetic Nd-Fe-B ring is easy to orient Magnetize, it is ensured that the stability of working face;And by the way that remanent magnetism of the sintering magnetic Nd-Fe-B ring when environment temperature is 25 DEG C is set For 1.1T to 1.4T, while the magnetic flux density of magnet ring 202 is effectively lifted, avoid causing stator tooth because remanent magnetism is excessive 102 magnetic circuit saturations, effectively improve the efficiency of motor.
In one embodiment of the present utility model, it is preferable that B and A ratio be more than or equal to 0.5, and be less than or Equal to 1.2.
In this embodiment, when magnet ring 202 is sintering magnetic Nd-Fe-B ring, by the slot number of stator slot 104 and stator tooth 102 Width be multiplied, the diameter of the working face of magnet ring 202 is multiplied with the remanent magnetism of magnet ring 202, and by the ratio setting of two products For 0.5 to 1.2, the efficiency of motor is further improved while magnetic circuit saturation is avoided, and then cause the overall performance of motor Get a promotion, effectively improve the quality of product.
Specifically, in this embodiment, as shown in figure 3, when the remanent magnetism of magnet ring 202 is 1.2T, the number of stator slot 104 is 9, Then the ratio of the working surface diameter of magnet ring 202 and the width of stator tooth 102 is 3.75 to 9, when the working face of magnet ring 202 is 45mm, The width of stator tooth 102 is 5mm to 12mm.
In one embodiment of the present utility model, it is preferable that magnet ring 202 is Agglutinate neodymium-iron-boron magnet ring, and magnet ring 202 remains Magnetic is more than or equal to 0.6T, and is less than or equal to 1.0T.
In this embodiment, by the way that magnet ring 202 is arranged into Agglutinate neodymium-iron-boron, the corrosion resistant of magnet ring 202 is effectively improved Corrosion, and then improve the service life of motor;And by the way that Agglutinate neodymium-iron-boron magnet ring is surplus when environment temperature is 25 DEG C Magnetic is arranged to 0.6T to 1.0T, while the magnetic flux density of magnet ring 202 is effectively lifted, avoids causing to determine because remanent magnetism is excessive The sub- magnetic circuit saturation of tooth 102, effectively improve the efficiency of motor.
In one embodiment of the present utility model, it is preferable that B and A ratio be more than or equal to 0.3, and be less than or Equal to 1.0.
In this embodiment, when magnet ring 202 is Agglutinate neodymium-iron-boron magnet ring, the corrosion-resistant of magnet ring 202 is effectively being lifted While property, the slot number of stator slot 104 is multiplied with the width of stator tooth 102, by the diameter and magnet ring of the working face of magnet ring 202 202 remanent magnetism is multiplied, and the ratio of two products is arranged into 0.5 to 1.2, is further lifted while magnetic circuit saturation is avoided The efficiency of motor, and then the overall performance of motor is got a promotion, effectively improve the quality of product.
In one embodiment of the present utility model, it is preferable that as shown in figures 1 and 3, rotor core 20 is embedded in stator iron In core 10;The lateral surface of magnet ring 202 is the working face of magnet ring 202.
In this embodiment, when magnet ring 202 is embedded in the inside of stator core 10, the lateral surface of magnet ring 202 is working face, By the way that magnet ring 202 to be embedded in the inside of stator core 10, it is easy to assemble, can effectively improving production efficiency, and this kind of structure It is applied widely so that motor possesses certain versatility.
In one embodiment of the present utility model, it is preferable that as shown in figure 4, rotor core 20 is sheathed on stator core 10 outside;The medial surface of magnet ring 202 is the working face of magnet ring 202.
In this embodiment, when magnet ring 202 is sheathed on the outside of stator core 10, the medial surface of magnet ring 202 is work Face, by the outside that magnet ring 202 is sheathed on to stator core 10 so that motor is applicable to the product with special construction, has Improve to effect the use range of motor.
In the utility model second aspect embodiment, the utility model provides a kind of motor, including any as described above Core structure described in embodiment, therefore, the motor have the core structure described in any of the above-described embodiment all beneficial to effect Fruit.
In the utility model third aspect embodiment, the utility model provides a kind of compressor, including appoints as described above Core structure described in one embodiment, therefore, the whole that the compressor has the core structure described in any of the above-described embodiment have Beneficial effect.
In one embodiment of the present utility model, it is preferable that as shown in figure 5, compressor also includes:Housing 30, bent axle 40th, cylinder 70 and piston 60, core structure are fixed in housing 30;Bent axle 40 is connected with rotor core 20, with rotor core 20 rotation and rotate;Cylinder 70 is fixed in housing 30, and cylinder 70 has cavity;Piston 60 is embedded in cavity, in cavity Rotate or move back and forth, with compressed gas;Wherein, piston 60 is connected by connecting rod with bent axle 40, and bent axle 40 passes through Base bearing 50 and supplementary bearing 80 are rotatablely connected with housing 30.
In this embodiment, bent axle 40 is connected by compressor by connecting rod with piston 60 so that bent axle 40 is with piston 60 Rotate or move back and forth, realize the compression to gas, compression efficiency is high, and compression speed is fast, effectively improves product Quality.
In the utility model fourth aspect embodiment, the utility model provides a kind of refrigeration plant, including as described above Compressor described in any embodiment, therefore, the whole that the refrigeration plant has the compressor described in any of the above-described embodiment have Beneficial effect.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model Within, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (11)

1. a kind of core structure, for motor, it is characterised in that the core structure includes:
Stator core, the stator core are provided with stator tooth, and the adjacent stator tooth surrounds the stator slot of one end open;
Rotor core, the rotor core are provided with magnet ring;
Wherein, the product of the width of the slot number of the stator slot and the stator tooth be A, the diameter of the working face of the magnet ring and The product of the remanent magnetism of the magnet ring is that B, the B and the A ratio are more than or equal to 0.3, and less than or equal to 1.2.
2. core structure according to claim 1, it is characterised in that the magnet ring is sintering magnetic Nd-Fe-B ring, the magnetic The remanent magnetism of ring is more than or equal to 1.1T, and is less than or equal to 1.4T.
3. core structure according to claim 2, it is characterised in that the B and A ratio is more than or equal to 0.5, And less than or equal to 1.2.
4. core structure according to claim 1, it is characterised in that the magnet ring is Agglutinate neodymium-iron-boron magnet ring, the magnetic The remanent magnetism of ring is more than or equal to 0.6T, and is less than or equal to 1.0T.
5. core structure according to claim 4, it is characterised in that the B and A ratio is more than or equal to 0.3, And less than or equal to 1.0.
6. core structure according to any one of claim 1 to 5, it is characterised in that
The rotor core is embedded in the stator core;
The lateral surface of the magnet ring is the working face of the magnet ring.
7. core structure according to any one of claim 1 to 5, it is characterised in that
The rotor core is sheathed on the outside of the stator core;
The medial surface of the magnet ring is the working face of the magnet ring.
8. a kind of motor, it is characterised in that including the core structure as any one of claim 1 to 7.
9. a kind of compressor, it is characterised in that including the core structure as any one of claim 1 to 7.
10. compressor according to claim 9, it is characterised in that the compressor also includes:
Housing, the core structure are fixed in the housing;
Bent axle, the bent axle are connected with the rotor core, rotated with the rotation of rotor core;
Cylinder, the cylinder are fixed in the housing, and the cylinder has cavity;
Piston, the piston are embedded in the cavity, rotate or move back and forth in the cavity, with compressed gas;
Wherein, the piston is connected by connecting rod with the bent axle, and the bent axle passes through base bearing and supplementary bearing and the shell Body is rotatablely connected.
11. a kind of refrigeration plant, it is characterised in that including the compressor as described in claim 9 or 10.
CN201720598234.XU 2017-05-26 2017-05-26 Core structure, motor, compressor and refrigeration plant Withdrawn - After Issue CN206790322U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720598234.XU CN206790322U (en) 2017-05-26 2017-05-26 Core structure, motor, compressor and refrigeration plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720598234.XU CN206790322U (en) 2017-05-26 2017-05-26 Core structure, motor, compressor and refrigeration plant

Publications (1)

Publication Number Publication Date
CN206790322U true CN206790322U (en) 2017-12-22

Family

ID=60713304

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720598234.XU Withdrawn - After Issue CN206790322U (en) 2017-05-26 2017-05-26 Core structure, motor, compressor and refrigeration plant

Country Status (1)

Country Link
CN (1) CN206790322U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106992648A (en) * 2017-05-26 2017-07-28 广东美芝制冷设备有限公司 Core structure, motor, compressor and refrigeration plant

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106992648A (en) * 2017-05-26 2017-07-28 广东美芝制冷设备有限公司 Core structure, motor, compressor and refrigeration plant

Similar Documents

Publication Publication Date Title
CN203707931U (en) Ceiling fan motor
CN108233574A (en) Rotor and permasyn morot
CN105247764A (en) Motor with permanent magnet embedded therein, and compressor
CN103470630B (en) A kind of repulsion type combination magnet radially passive magnetic bearing
CN204030758U (en) A kind of rotor structure of permagnetic synchronous motor
CN206790322U (en) Core structure, motor, compressor and refrigeration plant
CN103633805A (en) Brushless DC motor used for small rotor type refrigeration compressor
CN208062911U (en) Rotor and permasyn morot
CN110233528A (en) For the rotor structure in built-in permanent magnetic motor
CN106992648A (en) Core structure, motor, compressor and refrigeration plant
CN201733147U (en) Limited angle torque motor
CN202475050U (en) Motor
CN108494204A (en) A kind of motor permanent magnet magnetic pole transition structure improving normal direction electromagnetic force
CN205070736U (en) No iron core generator
CN201994743U (en) Rotor structure of permanent magnet motor
CN210093088U (en) Rotor structure for embedded permanent magnet motor
CN201742272U (en) Low-speed permanent magnetic motor with applicable voltage of 1140V
CN202134974U (en) Non-salient pole type miniature permanent magnet DC motor
CN102270890A (en) Non-salient pole type miniature permanent magnet direct current motor
CN205663758U (en) Three degree of freedom magnetic bearings of permanent magnetism biasing
CN104565036A (en) Energy-saving permanent magnet biased magnetic bearing
CN203984112U (en) A kind of internal rotor iron core for rare earth permanent magnet brushless motor
CN202798417U (en) Hybrid stepping-motor rotor
CN205622358U (en) Permanent magnet rotor for motor
CN203734392U (en) Inner stator assembly of coreless brushed direct-current motor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20171222

Effective date of abandoning: 20230425

AV01 Patent right actively abandoned

Granted publication date: 20171222

Effective date of abandoning: 20230425