CN109494898A - A kind of stator core, stator, motor and electric car - Google Patents
A kind of stator core, stator, motor and electric car Download PDFInfo
- Publication number
- CN109494898A CN109494898A CN201811545127.6A CN201811545127A CN109494898A CN 109494898 A CN109494898 A CN 109494898A CN 201811545127 A CN201811545127 A CN 201811545127A CN 109494898 A CN109494898 A CN 109494898A
- Authority
- CN
- China
- Prior art keywords
- stator core
- motor
- stator
- teeth portion
- guide groove
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of stator cores, belong to technical field of motors, comprising: yoke portion (1) and multiple teeth portion (2)；Multiple teeth portion (2) are distributed uniformly and circumferentially in the inside of yoke portion (1), and radially extending along yoke portion (1)；Stator slot (3) are formed between two neighboring teeth portion (2)；Teeth portion (2) is provided with the oil guide groove (4) axially extended close to the one end of yoke portion (1).Stator core of the invention enters stator core by the oil guide groove by opening up oil guide groove in teeth portion, convenient for cooling oil, increases the area of cooling oil contact heat source, effectively improves the heat dissipation of stator core；And do not influence the elastic conjunction technique between the rigidity and stator core and casing of stator core；Meanwhile oil guide groove is opened up in teeth portion, do not increase the volume of motor, so that motor can be with lightweight.
Description
Technical field
The present invention relates to technical field of motors more particularly to a kind of stator core, stator, motor and electric cars.
Background technique
Currently, with the rapid development of electric car, the motor innovation of a new round is caused, magneto is efficient with it
The advantages such as rate, high power density are widely used in electric car.
The direction of the requirement of motor high power density, inevitable requirement motor towards high-speed small-size is developed, and high-speed small-size
Change brings the temperature rise of motor to improve, and the mode for generalling use casing water cooling in the prior art cools down motor, but the cooling
Mode constrains further increasing for power of motor density.
To solve the above problems, the prior art generallys use the cold electric machine structure of oil, it is cold by being sprayed in electric motor winding end
Oily, cooling structure is set in stator core, but both technical solutions itself have following defects that
1, one is oil guide groove is opened up in stator core yoke portion, cooling oil is moved axially along stator core, this
Kind of structure realizes the promotion of power density by cooling of the cooling oil to entire stator core, but rigid due to stator yoke
Degree plays an important role the inhibition of the vibrating noise of motor, and stator core can be reduced by opening up oil guide groove in stator yoke
Rigidity is unfavorable for inhibiting vibration noise of motor.
2, one is helical groove structure is opened up on the outside of stator core, enable cooling oil sidesway outside stator core
It is dynamic, it realizes the transmitting and cooling of heat, although this mode can improve motor radiating, virtually increases the outer of motor
Diameter causes motor volume to increase, simultaneously as electric machine stator iron and casing are fixed together by interference fit, leads
Oil groove opens up excessive, so that effective contact area between frame diameter and casing internal diameter reduces, can reduce two in this way
Antitorque endurance between person, in the transmitting of the Motor torque of big torque, there are the wind that stator core and casing relatively rotate
Danger.
Summary of the invention
(1) goal of the invention
The object of the present invention is to provide a kind of stator core, stator, motor and electric car, stator core passes through in teeth portion
Oil guide groove is opened up, stator core is entered by the oil guide groove convenient for cooling oil, and flow along the axial direction of stator core, increased cold
But the area of oil contact heat source, effectively improves the heat dissipation of stator core, realizes the cooling of entire stator core；And it does not influence
Elastic conjunction technique between the rigidity and stator core and casing of stator core；Meanwhile oil guide groove is opened up in teeth portion, do not increase
Add the volume of motor, so that motor can be with lightweight.
(2) technical solution
To solve the above problems, the first aspect of the present invention provides a kind of stator core, comprising: yoke portion and multiple teeth
Portion；Multiple teeth portion are distributed uniformly and circumferentially the inside in the yoke portion, and radially extending along the yoke portion；It is adjacent
Stator slot is formed between two teeth portion；The teeth portion is provided with the Oil Guide axially extended close to the one end in the yoke portion
Slot.The stator core enters stator core by the oil guide groove by opening up oil guide groove in teeth portion, convenient for cooling oil, and along stator
The axial flowing of iron core, increases the area of cooling oil contact heat source, effectively improves the heat dissipation of the stator core of motor, realize
The cooling of entire stator core；And do not influence the elastic conjunction work between the rigidity and stator core and casing of stator core
Skill；Meanwhile oil guide groove is opened up in teeth portion, do not increase the volume of motor, so that motor can be with lightweight.
Further, the stator slot is parallel slot, and the teeth portion is trapezium structure；The oil guide groove is close to the yoke portion
Width is greater than its width far from the yoke portion, so that effective width of the teeth portion close to the yoke portion is equal to it far from described
The effective width in yoke portion.The stator core is set greater than its width far from yoke portion by the width by oil guide groove close to yoke portion
Degree, so that effective width of the teeth portion close to yoke portion is equal to its effective width far from yoke portion, so that the flux density of teeth portion is distributed
Uniformly, and not the performance of motor is influenced.
Further, the cross section of the oil guide groove is triangle or trapezoidal.By setting three for the cross section of oil guide groove
It is angular or trapezoidal, so that effective width of the teeth portion close to yoke portion is equal to its effective width far from yoke portion, so that teeth portion
Flux density is evenly distributed, and does not influence the performance of motor.
Further, the triangle is isosceles triangle.
Further, described trapezoidal for isosceles trapezoid.
Further, the oil guide groove is provided in each teeth portion.
According to another aspect of the present invention, a kind of stator is provided, including stator core described above, further includes: around
Group is wrapped in the teeth portion of the stator core；Casing is located at the outside of the stator core, is used for fixed stator iron core.It should
Stator effectively improves the heat dissipation of stator core by using said stator iron core, and does not influence the rigidity of stator core and determine
Elastic conjunction technique between sub- iron core and casing, while not will lead to motor volume increase, so that motor can be mentioned with lightweight
High power of motor density.
Further, the conducting wire of the winding is flat structure.
According to another aspect of the invention, a kind of motor is provided, including stator described above.The motor is by using upper
Stator is stated, the heat dissipation of stator core is effectively improved, it is cooling to realize motor, and do not influence the rigidity and stator iron of stator core
Elastic conjunction technique between the heart and casing, while not will lead to motor volume increase, so that motor can be improved with lightweight
Power of motor density.
According to another aspect of the invention, a kind of electric car is provided, including motor described above.The electric car is logical
It crosses using above-mentioned motor, stator core good heat dissipation effect improves the power density of motor, while stator core rigidity is not by shadow
It rings, there is good anti-vibration characteristic, have the advantages that vibrating noise is low.
(3) beneficial effect
Above-mentioned technical proposal of the invention has following beneficial technical effect:
1, stator core provided by the invention, by opening up oil guide groove in teeth portion, convenient for cooling oil by the oil guide groove into
Enter stator core, and flowed along the axial direction of stator core, increases the area of cooling oil contact heat source, effectively improve motor
The heat dissipation of stator core realizes the cooling of entire stator core；And do not influence the rigidity and stator core and machine of stator core
Elastic conjunction technique between shell；Meanwhile oil guide groove is opened up in teeth portion, do not increase the volume of motor, allows motor light
Quantization, improves power of motor density；It solves and opens up oil guide groove in stator yoke in the prior art and can reduce stator core
Rigidity is unfavorable for the technical issues of inhibiting vibration noise of motor, while solving and opening up helical groove structure on the outside of stator core,
The technical issues of causing motor outer diameter to increase, and influencing the elastic conjunction technique between stator core and casing.
2, stator core provided by the invention, since the stator slot of stator core is parallel slot structure, teeth portion is not up and down not
The flux density of the trapezium structure of equal in width, such teeth portion is unevenly distributed, close to yoke portion teeth portion due to size it is wider, flux density is just
Small, the width dimensions of teeth portion have surplus herein, allow to open up oil guide groove and remove a part of iron core.The stator core pass through by
Width of the oil guide groove close to yoke portion is set greater than its width far from yoke portion, so that effective width of the teeth portion close to yoke portion is equal to
Its effective width far from yoke portion so that the flux density of teeth portion is evenly distributed, and does not influence the performance of motor.
3, stator provided by the invention effectively improves the heat dissipation of stator core by using stator core of the invention,
And the elastic conjunction technique between the rigidity and stator core and casing of stator core is not influenced, while not will lead to motor volume
Increase, so that motor can improve power of motor density with lightweight.
4, motor provided by the invention effectively improves the heat dissipation of stator core by using stator of the invention, realizes
Motor is cooling, and does not influence the elastic conjunction technique between the rigidity and stator core and casing of stator core, while will not
Motor volume is caused to increase, so that motor can improve power of motor density with lightweight.
5, electric car provided by the invention, by using motor of the invention, stator core good heat dissipation effect is improved
The power density of motor, while stator core rigidity is unaffected, has good anti-vibration characteristic, has vibrating noise low
Advantage.
Detailed description of the invention
The structural schematic diagram for the stator core that Fig. 1 one embodiment of the invention provides.
Appended drawing reference:
1, yoke portion, 2, teeth portion, 3, stator slot, 4, oil guide groove.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
The structural schematic diagram for the stator core that Fig. 1 one embodiment of the invention provides.
Fig. 1 is please referred to, in an embodiment of the present invention, provides a kind of stator core, comprising: yoke portion 1 and multiple teeth portion 2.
Yoke portion 1 is annular structure；Multiple teeth portion 2 are distributed uniformly and circumferentially in the inside in yoke portion 1, and along yoke portion 1
Radially extend；Stator slot 3 is formed between two neighboring teeth portion 2；Teeth portion 2 is provided with close to the one end in yoke portion 1 prolongs along axial direction
The oil guide groove 4 stretched.
Optionally, an oil guide groove 4 is provided in each teeth portion 2.By the way that an oil guide groove 4 is arranged in each teeth portion 2,
So that stator core can realize the cooling of entire stator core with Homogeneouslly-radiating.
Stator core in the present embodiment is based on the oily cold type of cooling, by opening up oil guide groove 4 in teeth portion 2, convenient for cold
But oil enters stator core by the oil guide groove 4, and flows along the axial direction of stator core, increases the face of cooling oil contact heat source
Product, effectively improves the heat dissipation of the stator core of motor, realizes the cooling of entire stator core；And do not influence stator core
Elastic conjunction technique between rigidity and stator core and casing；Meanwhile oil guide groove 4 is opened up in teeth portion 2, it not will lead to motor body
Product increases, so that motor can improve power of motor density with lightweight；It solves to open up in stator yoke in the prior art and lead
Oil groove can reduce the rigidity of stator core, be unfavorable for the technical issues of inhibiting vibration noise of motor, while solving in stator iron
Helical groove structure is opened up on the outside of the heart, motor outer diameter is caused to increase, and influences the elastic conjunction technique between stator core and casing
The technical issues of.
In one embodiment, stator slot 3 is parallel slot, and teeth portion 2 is trapezium structure；Width of the oil guide groove 4 close to yoke portion 1 is big
In its width far from yoke portion 1, so that effective width of the teeth portion 2 close to yoke portion 1 is equal to its effective width far from yoke portion 1.Tool
Body, width of the oil guide groove 4 close to yoke portion 1 be greater than its width far from yoke portion 1 refer to oil guide groove 4 cross section width by tooth
The tooth top of the tooth root in portion 2 towards teeth portion 2 is gradually reduced.
Optionally, parallel slot includes but is not limited to rectangular channel.
In the present embodiment, the stator slot 3 of stator core uses parallel slot structure, and parallel slot structure is particularly suitable for strip conductor
Technique, strip conductor help to improve the copper factor of motor stator, further improve the efficiency of motor.
In the present embodiment, since the stator slot of stator core 3 is parallel slot structure, teeth portion 2 is upper and lower unequal width
The flux density of trapezium structure, such teeth portion 2 is unevenly distributed, close to yoke portion 1 teeth portion 2 due to size it is wider, flux density is with regard to small, herein
The width dimensions of teeth portion 2 have surplus, allow to open up oil guide groove 4 and remove a part of iron core.The stator core is by by Oil Guide
Width of the slot 4 close to yoke portion 1 is set greater than its width far from yoke portion 1, so that effective width etc. of the teeth portion 2 close to yoke portion 1
In its effective width far from yoke portion 1, so that the flux density of teeth portion 2 is evenly distributed, and the performance of motor is not influenced.
In the present embodiment, the effective width of teeth portion 2 refers to the practical interferric width of teeth portion 2, the i.e. original trapezoidal knot of teeth portion 2
After the interferric width of structure subtracts the width of oil guide groove 4, the interferric width of remainder.
Optionally, the cross section of oil guide groove 4 is triangle or trapezoidal.The stator core is by by the cross section of oil guide groove 4
It is set as triangle or trapezoidal, so that the effective width of teeth portion 2 is equal, so that the flux density of teeth portion 2 is evenly distributed.Passing through will
The cross section of oil guide groove 4 is set as triangle or trapezoidal, so that effective width of the teeth portion 2 close to yoke portion 1 is equal to it far from yoke portion 1
Effective width so that the flux density of teeth portion 2 is evenly distributed, and do not influence the performance of motor.
Optionally, triangle is isosceles triangle.
Optionally, trapezoidal is isosceles trapezoid.
The stator core is by setting isosceles triangle or isosceles trapezoid for the cross section of oil guide groove 4, so that same tooth
The width of part in portion 2 positioned at 4 two sides of oil guide groove is equal, further such that the flux density of teeth portion 2 is evenly distributed.
The size of oil guide groove 4 and specifically design it is closely related, in the range of structure and intensity allow, oil guide groove
4 size is the bigger the better, and 4 size of oil guide groove is big, and to the good cooling results of stator core, while the effect of loss of weight is obvious, mold
Punching it is also relatively easy；The size of oil guide groove 4 is too small, poor to the cooling effect of stator core, while the effect of loss of weight is unknown
Aobvious, the punching of mold is also relatively difficult.
Another embodiment of the present invention provides a kind of stators, including the stator core in above-described embodiment, further includes: winding and
Casing.
Wherein, winding is wrapped in the teeth portion 2 of stator core；Casing is located at the outside of stator core, for fixed fixed
Sub- iron core.
Optionally, the conducting wire of winding is flat structure, and the conducting wire of flat structure helps to improve the copper factor of stator,
Further improve the efficiency of motor.
Stator provided in this embodiment effectively improves the heat dissipation of stator core by using said stator iron core, and not
The elastic conjunction technique between the rigidity and stator core and casing of stator core is influenced, while not will lead to motor volume increasing
Add, so that motor can improve power of motor density with lightweight.
Further embodiment of this invention provides a kind of motor, including the stator in above-described embodiment.The motor of the present embodiment leads to
It crosses using said stator, effectively improves the heat dissipation of stator core, it is cooling to realize motor, and do not influence the rigidity of stator core
And the elastic conjunction technique between stator core and casing, while not will lead to motor volume increase, so that motor can be with light weight
Change, improves power of motor density.
Further embodiment of this invention provides a kind of electric car, including the motor in above-described embodiment.The electricity of the present embodiment
Electrical automobile, by using above-mentioned motor, stator good heat dissipation effect improves the power density of motor, while stator core rigidity
It is unaffected, there is good anti-vibration characteristic, have the advantages that vibrating noise is low.
Motor in above-described embodiment, is applicable not only to electric car, is equally applicable to need the electrical equipment of power source
And device.
The present invention is directed to protect a kind of stator core, stator, motor and electric car, there is following beneficial technology effect
Fruit:
1, stator core provided by the invention, by opening up oil guide groove in teeth portion, convenient for cooling oil by the oil guide groove into
Enter stator core, and flowed along the axial direction of stator core, increases the area of cooling oil contact heat source, effectively improve motor
The heat dissipation of stator core realizes the cooling of entire stator core；And do not influence the rigidity and stator core and machine of stator core
Elastic conjunction technique between shell；Meanwhile oil guide groove is opened up in teeth portion, do not increase the volume of motor, allows motor light
Quantization, improves power of motor density；It solves and opens up oil guide groove in stator yoke in the prior art and can reduce stator core
Rigidity is unfavorable for the technical issues of inhibiting vibration noise of motor, while solving and opening up helical groove structure on the outside of stator core,
The technical issues of causing motor outer diameter to increase, and influencing the elastic conjunction technique between stator core and casing.
2, stator core provided by the invention, since the stator slot of stator core is parallel slot structure, teeth portion is not up and down not
The flux density of the trapezium structure of equal in width, such teeth portion is unevenly distributed, close to yoke portion teeth portion due to size it is wider, flux density is just
Small, the width dimensions of teeth portion have surplus herein, allow to open up oil guide groove and remove a part of iron core.The stator core pass through by
Width of the oil guide groove close to yoke portion is set greater than its width far from yoke portion, so that effective width of the teeth portion close to yoke portion is equal to
Its effective width far from yoke portion so that the flux density of teeth portion is evenly distributed, and does not influence the performance of motor.
3, stator provided by the invention effectively improves the heat dissipation of stator core by using stator core of the invention,
And the elastic conjunction technique between the rigidity and stator core and casing of stator core is not influenced, while not will lead to motor volume
Increase, so that motor can improve power of motor density with lightweight.
4, motor provided by the invention effectively improves the heat dissipation of stator core by using stator of the invention, realizes
Motor is cooling, and does not influence the elastic conjunction technique between the rigidity and stator core and casing of stator core, while will not
Motor volume is caused to increase, so that motor can improve power of motor density with lightweight.
5, electric car provided by the invention, by using motor of the invention, stator core good heat dissipation effect is improved
The power density of motor, while stator core rigidity is unaffected, has good anti-vibration characteristic, has vibrating noise low
Advantage.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of stator core characterized by comprising yoke portion (1) and multiple teeth portion (2)；
Multiple teeth portion (2) are distributed uniformly and circumferentially in the inside of the yoke portion (1), and along the diameter of the yoke portion (1)
To extension；
Stator slot (3) are formed between the two neighboring teeth portion (2)；
The teeth portion (2) is provided with the oil guide groove (4) axially extended close to one end of the yoke portion (1).
2. stator core according to claim 1, which is characterized in that
The stator slot (3) is parallel slot, and the teeth portion (2) is trapezium structure；
The oil guide groove (4) is greater than its width far from the yoke portion (1) close to the width of the yoke portion (1), so that the tooth
Portion (2) is equal to its effective width far from the yoke portion (1) close to the effective width of the yoke portion (1).
3. stator core according to claim 2, which is characterized in that
The cross section of the oil guide groove (4) is triangle or trapezoidal.
4. stator core according to claim 3, which is characterized in that
The triangle is isosceles triangle.
5. stator core according to claim 3, which is characterized in that
It is described trapezoidal for isosceles trapezoid.
6. stator core described in any one of -5 according to claim 1, which is characterized in that
The oil guide groove (4) is provided on each teeth portion (2).
7. a kind of stator, which is characterized in that including stator core described in any one of claim 1-6, further includes:
Winding is wrapped in the teeth portion (2) of the stator core；
Casing is located at the outside of the stator core.
8. stator according to claim 7, which is characterized in that
The conducting wire of the winding is flat structure.
9. a kind of motor, which is characterized in that including stator described in claim 7 or 8.
10. a kind of electric car, which is characterized in that including motor as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545127.6A CN109494898A (en) | 2018-12-17 | 2018-12-17 | A kind of stator core, stator, motor and electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811545127.6A CN109494898A (en) | 2018-12-17 | 2018-12-17 | A kind of stator core, stator, motor and electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109494898A true CN109494898A (en) | 2019-03-19 |
Family
ID=65710589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811545127.6A Pending CN109494898A (en) | 2018-12-17 | 2018-12-17 | A kind of stator core, stator, motor and electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109494898A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446787A (en) * | 2020-04-23 | 2020-07-24 | 安徽机电职业技术学院 | Stator structure and permanent magnet motor |
| CN112953047A (en) * | 2021-01-28 | 2021-06-11 | 浙江方正电机股份有限公司 | Novel flat copper wire oil-cooled motor stator with stepped chute and motor |
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| US3675056A (en) * | 1971-01-04 | 1972-07-04 | Gen Electric | Hermetically sealed dynamoelectric machine |
| JPS5950545U (en) * | 1982-09-22 | 1984-04-03 | 富士電機株式会社 | Iron core of rotating electric machine |
| CN201438649U (en) * | 2009-06-15 | 2010-04-14 | 水利部杭州机械设计研究所 | Stator iron core of synchronous generator |
| CN202513685U (en) * | 2012-04-06 | 2012-10-31 | 杭州萧山环宇冲件有限公司 | Stator stamping sheet with air vents |
| CN206442196U (en) * | 2017-01-22 | 2017-08-25 | 无锡市宏泰电机股份有限公司 | A kind of stator punching with air vent |
| US20180054096A1 (en) * | 2016-08-17 | 2018-02-22 | Atieva, Inc. | Motor Cooling System Utilizing Axial Cooling Channels |
| CN207559701U (en) * | 2017-06-30 | 2018-06-29 | 广东美芝制冷设备有限公司 | Stator core and stator, motor and compressor with the stator core |
-
2018
- 2018-12-17 CN CN201811545127.6A patent/CN109494898A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3675056A (en) * | 1971-01-04 | 1972-07-04 | Gen Electric | Hermetically sealed dynamoelectric machine |
| JPS5950545U (en) * | 1982-09-22 | 1984-04-03 | 富士電機株式会社 | Iron core of rotating electric machine |
| CN201438649U (en) * | 2009-06-15 | 2010-04-14 | 水利部杭州机械设计研究所 | Stator iron core of synchronous generator |
| CN202513685U (en) * | 2012-04-06 | 2012-10-31 | 杭州萧山环宇冲件有限公司 | Stator stamping sheet with air vents |
| US20180054096A1 (en) * | 2016-08-17 | 2018-02-22 | Atieva, Inc. | Motor Cooling System Utilizing Axial Cooling Channels |
| CN206442196U (en) * | 2017-01-22 | 2017-08-25 | 无锡市宏泰电机股份有限公司 | A kind of stator punching with air vent |
| CN207559701U (en) * | 2017-06-30 | 2018-06-29 | 广东美芝制冷设备有限公司 | Stator core and stator, motor and compressor with the stator core |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111446787A (en) * | 2020-04-23 | 2020-07-24 | 安徽机电职业技术学院 | Stator structure and permanent magnet motor |
| CN112953047A (en) * | 2021-01-28 | 2021-06-11 | 浙江方正电机股份有限公司 | Novel flat copper wire oil-cooled motor stator with stepped chute and motor |
| CN112953047B (en) * | 2021-01-28 | 2021-09-07 | 浙江方正电机股份有限公司 | Flat copper wire oil-cooled motor stator with stepped chute and motor |
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Application publication date: 20190319 |
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