CN103475131A - Plastic package motor stator and method for preventing injection molding deformation of coil winding end part thereof - Google Patents
Plastic package motor stator and method for preventing injection molding deformation of coil winding end part thereof Download PDFInfo
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- CN103475131A CN103475131A CN2013104504559A CN201310450455A CN103475131A CN 103475131 A CN103475131 A CN 103475131A CN 2013104504559 A CN2013104504559 A CN 2013104504559A CN 201310450455 A CN201310450455 A CN 201310450455A CN 103475131 A CN103475131 A CN 103475131A
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- 238000004804 winding Methods 0.000 title claims abstract description 174
- 229920003023 plastic Polymers 0.000 title claims abstract description 34
- 239000004033 plastic Substances 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000001746 injection moulding Methods 0.000 title claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 42
- 238000007598 dipping method Methods 0.000 abstract description 10
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 239000003973 paint Substances 0.000 abstract description 2
- 230000008093 supporting effect Effects 0.000 abstract 1
- 238000004080 punching Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000004806 packaging method and process Methods 0.000 description 9
- 239000004922 lacquer Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000002950 deficient Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 241000272165 Charadriidae Species 0.000 description 1
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The invention discloses a plastic package motor stator, which comprises a stator core with a winding mounting groove and a coil winding arranged in the winding mounting groove, wherein a first end part of the coil winding is connected with a second end part through a tensioning part, the tensioning part bypasses the outer peripheral surface of the stator core and generates outward tensioning force to the first end part and the second end part along the radial direction of the stator core, the first end part and the second end part are in a tensioned state, and in the radial direction of the stator core, the first end part and the second end part are integrally positioned between the outer peripheral surface and the inner peripheral surface of the stator core. According to the invention, the end part of the stator coil winding is in a tightened state through the tensioning piece, so that the fixing and supporting effects are achieved, the end part of the coil winding is prevented from being deformed due to large injection pressure during injection molding, the aim of reducing the paint dipping link is further achieved, and the problem that the inner circle and the outer circle of the end part of the coil winding are easy to rebound after the stator wire is inserted and shaped is well solved. In addition, the invention also discloses a method for preventing the end part of the coil winding of the plastic package motor stator from being deformed by injection molding.
Description
Technical field
The present invention relates to technical field of motors, a kind of stator for plastic packaging motor particularly, this stator comprises the stator core with winding mounting groove and the coil windings be arranged in the winding mounting groove, and described coil windings has the winding overhang that protrudes from the stator core end face.In addition, the invention still further relates to a kind of method that prevents the coil windings end injection molding deformation of said stator.
Background technology
Plastic packaging motor is a kind of of motor, has been widely used in the every field of industrial production and life.Plastic packaging motor is to adopt plastic package technology that the stator core of motor, winding etc. are carried out to overall package with engineering plastics, can cancel traditional motor stator insulated treatment process and the metal chassis of common electric machine.
Plastic packaging motor has stator 15 and rotor 18, is respectively equipped with the end cap 11,12 that can be fastened on stator end in the front and back end of stator 15, and stator 15 surrounds a rotor chamber with end cap 11,12, and rotor 18 is contained in rotor chamber, and can be with respect to stator 15 rotations.Armature spindle 19 is arranged in rotor 18, and with rotor 18 interference fit, armature spindle 19 rotates under the drive of rotor 18, and outputting power thus.Stator 15 has stator core 16, and a plurality of coil windings 17 are arranged in the winding mounting groove of stator core 16.Be wrapped with plastic part 10 at stator core 16 and coil windings 17, plastic part 10 is injection molded by injection molding machine after stator core 16 and coil windings assembling, and it seals stator core 16 and coil windings 17 fully.
Usually by the multi-disc shape, identical stator punching is overrided to form stator core 16, and referring to Fig. 2, stator punching 20 is stamped to form by silicon steel sheet, and it roughly is circular, and has the yoke section 21 that is positioned at outer peripheral edges, and yoke section 21 is circular.Stator punching 20 also is provided with a plurality of teeth 22 that radially extend to the middle part of stator punching 20 along stator punching 20 from yoke section 21, forms a winding mounting groove 23 between two adjacent teeth 22, and coil windings is arranged in winding mounting groove 23.And the middle part of stator punching 20 arranges the interior circular hole 24 of a hollow, after multi-disc stator punching 20 laminates and forms stator core 16, the interior circular hole 24 of stator punching 20 forms rotor hole, and rotor is installed in rotor hole.
In current production practices, when the stator core that stator punching 20 is overrided to form is installed coil windings, sometimes need to install two-layer coil windings, be respectively interior loop winding and exterior loop winding.Referring to Fig. 3 and Fig. 4, exterior loop winding 35 is arranged on the bottom of the winding mounting groove 33 of stator core 16, from the axis of stator core 16 away from.Interior loop winding 36 is arranged on winding mounting groove 33 position near notches, from the axis of stator core 16 close to.
Each interior loop winding 36 will be crossed over a plurality of winding mounting grooves 33, and each exterior loop winding 35 also crosses over a plurality of winding mounting grooves 33, and interior loop winding 36 is not arranged on same winding mounting groove 33 with exterior loop winding 35.The winding mounting groove 33 that interior loop winding 36 is installed will have exterior loop winding 35 to cross over, and the winding mounting groove 33 that exterior loop winding 35 is installed also has interior loop winding 36, upwards there is overlapping part with exterior loop winding 35 in interior loop winding 36 in the week of stator core 16.
At stator core 16 notch positions, enough spaces of dodging are arranged in order to meet adjacent two interior loop windings 36 or exterior loop winding 35 after rule, this part of will inside and outside coil winding stretching out stator core 16 end faces is wanted long enough, and long enough is wanted in the end that is exactly interior loop winding 36 and exterior loop winding 35.
For the plastic packaging motor that adopts distributed winding, because its winding overhang is built on stilts and the neither one support is fixed, stator when injection moulding because injection pressure is very large, the winding overhang distortion is seriously exposed the plastic packaging stator inner circle and is caused bad order, even because of injection pressure favourable opposition broken string circle winding, causes whole stator to scrap.Current most of producer mainly adopts stator dipping technique to solve stator winding injection molding deformation problem, but the complete line of stator embedding is to dipping lacquer, dipping lacquer all can have a time requirement to the stator injection moulding, at this moment, section coil windings inside and outside circle easily has a rebound to be out of shape and causes inner circle little cylindrical in end large, after injection moulding, still there is coil windings the bad order phenomenon such as to expose, easily in the stator core inner circle, stay the paint slag after another stator dipping, while causing injection moulding, stator can't be put into injection mould, and can affect production efficiency because increasing the dipping lacquer operation, increase and produce and the process warehouse cost, extend order delivery date etc.
Summary of the invention
A technical problem to be solved by this invention is the defect for prior art, a kind of novel plastic packaged motor stator is provided, with the motor manufacturing cost that prevents from that its coil windings end is out of shape greatly or thrusts because of injection pressure, reduce causing because of paint-dipping process simultaneously, increase.
Another technical problem to be solved of the present invention is to provide a kind of method that prevents the coil windings end injection molding deformation of plastic packaged motor stator.
For solving above-mentioned first technical problem, the present invention has adopted following technical scheme: design a kind of plastic packaged motor stator, comprise the stator core with winding mounting groove and be arranged on the coil windings in described winding mounting groove, described stator core comprises the first end face, the second end face and the outer peripheral face and the inner peripheral surface that between above-mentioned two end faces, extend, described coil windings has the first end that protrudes from described the first end face and protrudes from the second end of described the second end face, described first end is connected with the second end by tensioner, described tensioner is walked around described outer peripheral face and described first end and the second end is produced along the stretching force of the radial outward of described stator core, described first end and the second end are in tensioned state, and the footpath at described stator core makes progress, described first end and the second end integral body are between the outer peripheral face and inner peripheral surface of described stator core.
From such scheme, by tensioner, make the stator coil winding overhang in tensioned state, play the fixed support effect, cause greatly the coil windings Leading Edge Deformation because of injection pressure while avoiding injection moulding, and then reach the purpose that reduces the dipping lacquer link, improved well after the stator built-in line shaping the easily problem of bounce-back of coil windings end inside and outside circle simultaneously, reduced widely the fraction defective in the process of producing product, reduced the manufacturing cost of this type of motor, improve production efficiency, accelerated the deadline of order.
Preferably, described coil windings comprises interior loop winding and exterior loop winding, wherein in the footpath of described stator core, makes progress, and the axis of the described stator core of described interior loop winding distance is nearer, and the axis of the described stator core of described exterior loop winding distance is far away.
Further, the first end of the first end of described interior loop winding and described exterior loop winding by the first fixture near being fixed together, the second end of the second end of described interior loop winding and described exterior loop winding by the second fixture near being fixed together.
Further, described tensioner is binding piece, described binding piece comprises the first colligation section, the second colligation section and is connected to the pars intermedia between above-mentioned two colligation sections, wherein, described the first colligation section is wrapped on the first end of described coil windings, described the second colligation section is wrapped on the second end of described coil windings, and described pars intermedia is close on the outer peripheral face of described stator core.
For solving above-mentioned second technical problem, the present invention has adopted following technical scheme: a kind of method that prevents the coil windings end injection molding deformation of plastic packaged motor stator is provided, described plastic packaged motor stator comprises the stator core with winding mounting groove and is arranged on the coil windings in described winding mounting groove, described stator core comprises the first end face, the second end face and the outer peripheral face and the inner peripheral surface that between above-mentioned two end faces, extend, described coil windings has the first end that protrudes from described the first end face and protrudes from the second end of described the second end face, wherein, said method comprising the steps of: utilize tensioner that described first end is connected with the second end, described tensioner is walked around described outer peripheral face and described first end and the second end is produced along the stretching force of the radial outward of described stator core, make described first end and the second end in tensioned state, and the footpath at described stator core makes progress, described first end and the second end integral body are between the outer peripheral face and inner peripheral surface of described stator core.
From such scheme, by technology for binding, make the stator coil winding overhang in tensioned state, play the fixed support effect, cause greatly the coil windings Leading Edge Deformation because of injection pressure while avoiding injection moulding, and then reach the purpose that reduces the dipping lacquer link, improved well after the stator built-in line shaping the easily problem of bounce-back of coil windings end inside and outside circle simultaneously, reduced widely the fraction defective in the process of producing product, reduced the manufacturing cost of this type of motor, improve production efficiency, accelerated the deadline of order.
Further, described coil windings comprises interior loop winding and exterior loop winding, wherein in the footpath of described stator core, make progress, the axis of the described stator core of described interior loop winding distance is nearer, and the axis of the described stator core of described exterior loop winding distance is far away.
Further, before the step of utilizing tensioner that described first end is connected with the second end, utilize the first fixture by the first end of the first end of described interior loop winding and described exterior loop winding near being fixed together, and utilize the second fixture by the second end of the second end of described interior loop winding and described exterior loop winding near being fixed together.
Further, described tensioner adopts binding piece, at first described binding piece is wrapped on the first end of described coil windings, then described binding piece is walked around to the outer peripheral face of described stator core, then described binding piece is wrapped on the second end of described coil windings, again described binding piece walked around to the outer peripheral face of described stator core and be wrapped on described first end, repeat above step, until complete the end banding of described coil windings on the whole circumference of described plastic packaged motor stator.
The accompanying drawing explanation
Fig. 1 is the cutaway view of existing a kind of plastic packaging motor.
Fig. 2 is the structure enlarged drawing of existing a kind of stator punching.
Fig. 3 is the structural representation that existing stator core is equipped with coil windings.
Fig. 4 is the plane graph of structure shown in Fig. 3.
Fig. 5 is the stereogram of a kind of plastic packaged motor stator of the present invention.
Fig. 6 is another visual angle stereogram of plastic packaged motor stator shown in Fig. 5.
Fig. 7 is the stereogram of plastic packaged motor stator shown in Fig. 5 before the secondary colligation.
Embodiment
Stator of the present invention is applicable to plastic packaging motor, especially adopts the plastic packaging motor of distributed winding.As shown in Figures 5 to 7, this stator comprises the stator core 4 with winding mounting groove and is arranged on interior loop winding 5 and the exterior loop winding 6 in the winding mounting groove, wherein in the footpath of stator core 4, make progress, interior loop winding 5 is nearer apart from the axis of stator core, and exterior loop winding 6 is far away apart from the axis of stator core, the stator core that coil windings is installed shown in said structure and Fig. 3 is basic identical.Stator core 4 comprises the first end face 41, the second end face 42 and the outer peripheral face 43 and the inner peripheral surface 44 that extend between above-mentioned two end faces, interior loop winding 5 has the first end 51 that protrudes from the first end face 41 and the second end 52 that protrudes from the second end face 42, exterior loop winding 6 has the first end 61 that protrudes from the first end face 41 and the second end 62 that protrudes from the second end face 42 equally, and upwards there is overlapping part with exterior loop winding 6 in interior loop winding 5 in the week of stator core 4.
The first end 51 of described interior loop winding 5 with the first end 61 of exterior loop winding 6 by the first fixture 71 near being fixed together, the second end 52 of interior loop winding 5 with the second end 62 of exterior loop winding 6 by the second fixture 72 near being fixed together, wherein the first fixture 71 and the second fixture 72 can adopt internal coil windings 5 and exterior loop winding 6 to carry out the fixtures such as the binding wire of colligation or binding strap.
Interior loop winding 5 and exterior loop winding 6 is connected by the binding piece such as the tensioning such as binding wire or binding strap with passing through between the second end of colligation through the first end of colligations.Described tensioning binding piece comprises the first colligation section 81, the second colligation section 82 and is connected to the pars intermedia 83 between above-mentioned two colligation sections, wherein, described the first colligation section 81 is wrapped on interior loop winding 5 and the exterior loop winding 6 process first ends 51,61 of colligation, described the second colligation section 82 is wrapped on interior loop winding 5 and the exterior loop winding 6 process the second ends 52,62 of colligation, and described pars intermedia 83 is close on the outer peripheral face 43 of stator core 4.
Above-mentioned tensioning binding piece is walked around the outer peripheral face 43 of stator core 4 and the first end 51,61 through colligation and the second end 52,62 is produced along the stretching force of the radial outward of stator core 4, make first end 51,61 and the second end 52,62 in tensioned state, and the footpath at stator core 4 makes progress, the first end 51,61 of process colligation and the second end 52,62 integral body are between the outer peripheral face 43 and inner peripheral surface 44 of stator core 4.
The implementation method of above-mentioned plastic packaged motor stator is as follows:
1. carry out a colligation, as shown in Figure 7: utilize the fixtures such as binding wire or binding strap that the first end of interior loop winding 5 51 and first end 61 colligations of exterior loop winding 6 are fixed together, and utilize the fixtures 72 such as binding wire or binding strap that the second end of interior loop winding 5 52 and the second end 62 colligations of exterior loop winding 6 are fixed together;
2. carry out the secondary colligation: utilize the tensioning binding pieces such as binding wire or binding strap by the first end 51 through colligation of interior loop winding 5 and exterior loop winding 6, 61 with the second end 52, 62 connect, at first the tensioning binding piece is wrapped in to the first end 51 through colligation, on 61, then the tensioning binding piece is walked around to the outer peripheral face 43 of stator core, then the tensioning binding piece is wrapped in to the second end 52 through colligation, on 62, then again the tensioning binding piece walked around to the outer peripheral face 43 of stator core and be wrapped in the first end 51 through colligation, on 61, repeat above step, until complete the end banding of coil windings on the whole circumference of plastic packaged motor stator, as shown in Figure 5 and Figure 6.
Completing the internal coil windings of tensioning binding piece of secondary colligation and first end and the second end of exterior loop winding produces along the stretching force of the radial outward of stator core, footpath at stator core makes progress, first end and the second end integral body are between the outer peripheral face and inner peripheral surface of stator core, make first end, the second end and tensioning binding piece are all in tensioned state, and first end and the second end along the radial outward of stator core in limiting value (limited by the coil windings actual size) but can not surpass the stator core outer peripheral face, simultaneously because the tensioning binding piece is tightened first end and the second end trend along stator core radial inward (toward the stator core inner peripheral surface) bounce-back of having controlled.
By above-mentioned secondary technology for binding, make the stator coil winding overhang in tensioned state, play the fixed support effect, cause greatly the coil windings Leading Edge Deformation because of injection pressure while avoiding injection moulding, and then reach the purpose that reduces the dipping lacquer link, improved well after the stator built-in line shaping the easily problem of bounce-back of coil windings end inside and outside circle simultaneously, reduced widely the fraction defective in the process of producing product, reduced the manufacturing cost of this type of motor, improve production efficiency, accelerated the deadline of order.
Above-described is only the preferred embodiment of the present invention; should be understood that; for the person of ordinary skill of the art; without departing from the inventive concept of the premise, can also make some distortion and improvement, for example; coil windings in stator of the present invention is except inside and outside double-layer coil winding described above; can also be the lattice coil winding more than three layers, can be also the single layer coil winding, and these all belong to protection scope of the present invention.
Claims (8)
1. a plastic packaged motor stator, comprise the stator core with winding mounting groove and be arranged on the coil windings in described winding mounting groove, described stator core comprises the first end face, the second end face and the outer peripheral face and the inner peripheral surface that between above-mentioned two end faces, extend, described coil windings has the first end that protrudes from described the first end face and protrudes from the second end of described the second end face, it is characterized in that: described first end is connected with the second end by tensioner, described tensioner is walked around described outer peripheral face and described first end and the second end is produced along the stretching force of the radial outward of described stator core, described first end and the second end are in tensioned state, and the footpath at described stator core makes progress, described first end and the second end integral body are between the outer peripheral face and inner peripheral surface of described stator core.
2. plastic packaged motor stator according to claim 1, it is characterized in that: described coil windings comprises interior loop winding and exterior loop winding, wherein in the footpath of described stator core, make progress, the axis of the described stator core of described interior loop winding distance is nearer, and the axis of the described stator core of described exterior loop winding distance is far away.
3. plastic packaged motor stator according to claim 2, it is characterized in that: the first end of the first end of described interior loop winding and described exterior loop winding by the first fixture near being fixed together, the second end of the second end of described interior loop winding and described exterior loop winding by the second fixture near being fixed together.
4. according to the described plastic packaged motor stator of claims 1 to 3 any one, it is characterized in that: described tensioner is binding piece, described binding piece comprises the first colligation section, the second colligation section and is connected to the pars intermedia between above-mentioned two colligation sections, wherein, described the first colligation section is wrapped on the first end of described coil windings, described the second colligation section is wrapped on the second end of described coil windings, and described pars intermedia is close on the outer peripheral face of described stator core.
5. a method that prevents the coil windings end injection molding deformation of plastic packaged motor stator, described plastic packaged motor stator comprises the stator core with winding mounting groove and is arranged on the coil windings in described winding mounting groove, described stator core comprises the first end face, the second end face and the outer peripheral face and the inner peripheral surface that extend between above-mentioned two end faces, described coil windings has the first end that protrudes from described the first end face and protrudes from the second end of described the second end face, it is characterized in that, said method comprising the steps of:
Utilize tensioner that described first end is connected with the second end, described tensioner is walked around described outer peripheral face and described first end and the second end is produced along the stretching force of the radial outward of described stator core, make described first end and the second end in tensioned state, and the footpath at described stator core makes progress, and described first end and the second end integral body are between the outer peripheral face and inner peripheral surface of described stator core.
6. method according to claim 5, it is characterized in that: described coil windings comprises interior loop winding and exterior loop winding, wherein in the footpath of described stator core, make progress, the axis of the described stator core of described interior loop winding distance is nearer, and the axis of the described stator core of described exterior loop winding distance is far away.
7. method according to claim 6, it is characterized in that, before the step of utilizing tensioner that described first end is connected with the second end, utilize the first fixture by the first end of the first end of described interior loop winding and described exterior loop winding near being fixed together, and utilize the second fixture by the second end of the second end of described interior loop winding and described exterior loop winding near being fixed together.
8. according to the described method of claim 5 to 7 any one, it is characterized in that: described tensioner adopts binding piece, at first described binding piece is wrapped on the first end of described coil windings, then described binding piece is walked around to the outer peripheral face of described stator core, then described binding piece is wrapped on the second end of described coil windings, again described binding piece walked around to the outer peripheral face of described stator core and be wrapped on described first end, repeat above step, until complete the end banding of described coil windings on the whole circumference of described plastic packaged motor stator.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310450455.9A CN103475131B (en) | 2013-09-27 | 2013-09-27 | Plastic package motor stator and method for preventing injection molding deformation of coil winding end part thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310450455.9A CN103475131B (en) | 2013-09-27 | 2013-09-27 | Plastic package motor stator and method for preventing injection molding deformation of coil winding end part thereof |
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| CN103475131A true CN103475131A (en) | 2013-12-25 |
| CN103475131B CN103475131B (en) | 2015-12-09 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160276A (en) * | 2016-07-08 | 2016-11-23 | 珠海凯邦电机制造有限公司 | Stator holder, motor stator and motor stator injection molding method |
| CN107231053A (en) * | 2017-07-26 | 2017-10-03 | 珠海凯邦电机制造有限公司 | Winding protection cover and motor with same |
| CN108134492A (en) * | 2018-01-30 | 2018-06-08 | 三集团有限公司北京分公司 | For the molding machine and winding assembly of winding |
| CN108880021A (en) * | 2018-06-11 | 2018-11-23 | 贵州航天林泉电机有限公司 | A kind of high frequency rotation power transformation pivot and its winding fixing means |
| CN111448742A (en) * | 2017-12-04 | 2020-07-24 | 马勒国际有限公司 | Method for producing a stator of an electric machine |
| CN114072991A (en) * | 2019-07-12 | 2022-02-18 | 三菱电机株式会社 | Stator, motor, compressor, air conditioner, method for manufacturing stator, and method for magnetizing stator |
| CN114513098A (en) * | 2022-01-28 | 2022-05-17 | 浙江科恩特电机科技有限公司 | Motor stator protective sleeve mounting method |
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| CN102969844A (en) * | 2012-12-26 | 2013-03-13 | 哈尔滨电气动力装备有限公司 | Process for binding and fixing end part of stator winding of large-size AC (Alternate Current) motor |
| CN203481963U (en) * | 2013-09-27 | 2014-03-12 | 珠海格力电器股份有限公司 | plastic package motor stator |
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| US5508571A (en) * | 1994-12-12 | 1996-04-16 | General Motors Corporation | Neutral connection for wire wound stator |
| CN2558142Y (en) * | 2002-06-28 | 2003-06-25 | 邓允河 | End structure of loose embedded winding for stator of generator |
| US20100194230A1 (en) * | 2009-02-03 | 2010-08-05 | Hitachi, Ltd. | Process of Manufacture and Manufacturing Device of Stator |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160276A (en) * | 2016-07-08 | 2016-11-23 | 珠海凯邦电机制造有限公司 | Stator holder, motor stator and motor stator injection molding method |
| CN106160276B (en) * | 2016-07-08 | 2019-12-13 | 珠海格力电器股份有限公司 | Stator holder, motor stator and motor stator injection molding method |
| CN107231053A (en) * | 2017-07-26 | 2017-10-03 | 珠海凯邦电机制造有限公司 | Winding protection cover and motor with same |
| CN111448742A (en) * | 2017-12-04 | 2020-07-24 | 马勒国际有限公司 | Method for producing a stator of an electric machine |
| CN111448742B (en) * | 2017-12-04 | 2022-08-09 | 马勒国际有限公司 | Method for producing a stator of an electric machine |
| US12062960B2 (en) | 2017-12-04 | 2024-08-13 | Mahle International Gmbh | Method for producing a stator for an electric machine |
| CN108134492A (en) * | 2018-01-30 | 2018-06-08 | 三集团有限公司北京分公司 | For the molding machine and winding assembly of winding |
| CN108880021A (en) * | 2018-06-11 | 2018-11-23 | 贵州航天林泉电机有限公司 | A kind of high frequency rotation power transformation pivot and its winding fixing means |
| CN108880021B (en) * | 2018-06-11 | 2020-10-16 | 贵州航天林泉电机有限公司 | High-frequency rotary transformer armature and winding fixing method thereof |
| CN114072991A (en) * | 2019-07-12 | 2022-02-18 | 三菱电机株式会社 | Stator, motor, compressor, air conditioner, method for manufacturing stator, and method for magnetizing stator |
| CN114513098A (en) * | 2022-01-28 | 2022-05-17 | 浙江科恩特电机科技有限公司 | Motor stator protective sleeve mounting method |
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| CN103475131B (en) | 2015-12-09 |
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