CN207475297U - A kind of stator and driving motor of pure electric automobile - Google Patents
A kind of stator and driving motor of pure electric automobile Download PDFInfo
- Publication number
- CN207475297U CN207475297U CN201721361875.XU CN201721361875U CN207475297U CN 207475297 U CN207475297 U CN 207475297U CN 201721361875 U CN201721361875 U CN 201721361875U CN 207475297 U CN207475297 U CN 207475297U
- Authority
- CN
- China
- Prior art keywords
- stator
- rotor
- slot
- end cover
- driving motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Windings For Motors And Generators (AREA)
Abstract
The utility model discloses a kind of stator and driving motor of pure electric automobile,Its key points of the technical solution are that rotor diameter is 96 106mm,Stator outer diameter is 140 150mm,The height of stator is 110 145mm,Best preferably 110 fold high 3kw,130 fold high 4kw,Height is folded with difference to meet different capacity demand,Silicon steel sheet material is 50W470,Using rectangle wire casing,By this stator,Rotor and cooperation flat type copper wire,Reduce iron loss,Copper loss,Magnetic conduction ability is high,So as to improve current capacity,Reduce Wen Sheng,Entire three-phase asynchronous Ac motor has with small vibration,It is efficient,And high efficient district is wide,Overload capacity is strong,The advantages of torque is big,Motor service life can effectively be extended,Motor replaces traditional enameled wire with flat copper body,This kind of mode reduces employee and operates requirement,So as to improve production efficiency,Reduce enterprise's production cost,It is mainly applicable on new-energy automobile.
Description
Technical field
The utility model is related to driving motor of pure electric automobile technical field, more particularly to a kind of stator and pure electric vehicle vapour
Vehicle driving motor.
Background technology
After the threephase stator winding of motor is passed through three-phase symmetrical alternating current, a rotating excitation field, the rotation will be generated
Magnetic field intercepts rotor windings, so as to generate sensing electric current in rotor windings（Rotor windings are close access）, the rotor of current-carrying
Conductor will generate electromagnetic force under the effect of stator rotating excitation field, so as to form electromagnetic torque, drive motor on machine shaft
Rotation, and motor direction of rotation is identical with rotating excitation field direction.
The field frame assembly of automobile drive electric motor is very important electromagnetic component in motor, and whether design is rationally direct
Influence the comprehensive technical indexes such as performance, efficiency, calorific value and the noise of generator.Existing domestic automobile industry volume production motor is more
Number is using the stator of enamel insulated round copper wire, which has been mature on the whole, but there are copper factors for circular copper wire
It is relatively low, End winding is long and irregular, make that copper wastage is bigger than normal, heat dissipation effect is poor, motor efficiency is low while machine winding is people
Work embedding, it is low there are manufacture efficiency, the problems such as high labor cost.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of stator and pure electric automobile drives
Dynamic motor has and produces and processes advantage that is efficient, being improved convenient for assembling, electric efficiency.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of stator, including by
The iron core of first silicon steel sheet punching press synthesis, sets stator slot, stator slot number 45, the stator slot on the first silicon steel sheet
Groove profile be：Bs0=0.9mm, bs1=3.7mm, bs2=3.7mm, hs0=0.6mm, hs1=0.1mm, hs2=10.2mm.
By above-mentioned setting, in order to improve the performance of motor, the wire casing of stator is improved, by stator slot
Grooved size is changed, and so as to meet the installation requirement of flat type copper wire, production efficiency is improved, convenient for assembling, this stator line
Slot plays the role of reducing stator iron loss, and also have facilitation for its heat dissipation effect.
Concrete scheme as the utility model can be preferably：The diameter of stator bore 97-107mm, stator outer diameter 140-
150mm is highly 95-130mm, steel 50W470, setting flat type copper wire in stator slot, flat copper linear dimension for 2.8 ×
4.5mm。
By above-mentioned setting, the size of stator is limited according to designed stator slot, so as to enterprising from material
Row is reduced, volume-diminished, is effectively reduced in cost, in addition using flat type copper wire, avoids many windings of copper wire, and flat type copper wire can be with
High current is carried, kelvin effect is significantly better than circle winding at high frequencies, can reduce current density, can also improve wire casing sky
Between utilization rate.In process of manufacture, it is only necessary to flat type copper wire is installed in each wire casing, if wound using copper wire,
The space in populated wire casing is wanted then to need coiling multiturn.In addition 45 wire casings are employed, are useful on three phase electric machine, three-phase around
Magnetic field is formed after the external three phase mains of group connection, due to combining the flat shape and structure of flat type copper wire, wire casing utilization rate height can drop
The iron loss of low-silicon steel piece.
Concrete scheme as the utility model can be preferably：The flat type copper wire bending, which is inlaid in stator slot, to be formed
Three-phase windings, the three-phase windings extend outward three leading-out terminals.
By above-mentioned setting, reserve three leading-out terminals and be for connection to external three phase mains.
Concrete scheme as the utility model can be preferably：Including above-mentioned stator, further include by the second silicon steel sheet
The rotor of punching press synthesis sets rotor slot on the second silicon steel sheet, and rotor slot quantity is uniformly distributed for 41 or 48 or 51 or 58, institute
The groove profile for stating rotor slot is：Bs0=0.80mm, bs1=3.00mm, bs2=1.60mm, hs0=0.30mm, hs1=0.70mm, hs2
=15.70mm。
By above-mentioned setting, by designing the groove profile of rotor, to reduce the iron loss of rotor and thermal diffusivity.
Concrete scheme as the utility model can be preferably：The rotor be cast-aluminum rotor, the second silicon steel sheet outer diameter
For 96-107mm, rotor internal diameter 34mm, rotor axial length is 95-130mm.
By above-mentioned setting, stator is matched by designing rotor, by rotor profile dimension limitation, so as to small volume,
Material cost is reduced.
Concrete scheme as the utility model can be preferably：End ring, the axial dimension of end ring are set on the rotor
For 15mm；Radial dimension is 18.9mm, and the slot slope of rotor is 1-1.2 stator slot.
Concrete scheme as the utility model can be preferably：Further include housing, first end cover and second end cover, first
Binding post is fixed on end cap, the end set of binding post has the slot being inserted into for leading-out terminal, nut is additionally provided on binding post,
Nut bottom is provided with "O"-ring, and removable wiring plate is provided in the first end cover, and binding post is fixed on by nut
On terminal plate.
By above-mentioned setting, in order to improve the secured problem of the packaging efficiency problem of entire motor and binding post, use
After said stator, binding post needs connects with stator, so in binding post setting slot, so that leading-out terminal is inserted into
In slot, so that the two comes into full contact with, electric conductivity is improved.Binding post is fixed on further through nut on terminal plate, is being tieed up
It is easy to disassemble during shield, it is also convenient for staff in an assembling process and first welds binding post and then in link plate." O " type
Circle may insure the water resistance of binding post again.
Concrete scheme as the utility model can be preferably：The second end cover is set on the output shaft of rotor,
Oil sealing is additionally provided between second end cover and rotor.
By above-mentioned setting, second end cover then can be with effective protection rotor, and in addition oil enveloping structure can play dustproof and waterproof.
Oil sealing avoids foreign matter and excessively enters, and improves its service life.
Concrete scheme as the utility model can be preferably：It is set between the rotor and the madial wall of second end cover
There is corrugated gasket, the output shaft of the rotor is additionally provided with high temperature magnet on one end of first end cover.
By above-mentioned setting, corrugated gasket has certain elasticity, and Corrugation pad is set at rotor and second end cover position
After piece, in installation process there is certain elastic force, and prestressing force can be applied, improve bearing life.High temperature magnet
Magnetic relatively stable, this magnetism can be used for providing signal to magnetic coder, and reflect the rotating speed of output shaft.
Concrete scheme as the utility model can be preferably：Magnetic coder is additionally provided in the first end cover.
By above-mentioned setting, magnetic coder can be used for detecting the rotating speed of rotor of output shaft axle.
In conclusion the utility model has the advantages that：Design stator groove profile and slot shape of rotor, stator dimensions and
Rotor size is assembled using flat type copper wire, improves processing efficiency, reduces iron loss, and so as to improve the operational efficiency of motor, motor is with flat
Copper body replaces traditional enameled wire, and concrete technology is after flat copper body is pressed design span bending, to be inserted into stator, weldering of then twisting together again
It connects, this kind of mode reduces employee and operate requirement, so as to improve production efficiency, reduces enterprise's production cost, stable structure, group
Dress is convenient.
Description of the drawings
Fig. 1 is the structure diagram of first silicon steel sheet of the present embodiment；
A portion enlarged drawings of the Fig. 2 for Fig. 1, the grooved size figure of main presentation stator slot；
Structure diagrams of the Fig. 3 for stator, the assembling of main presentation flat type copper wire；
Fig. 4 is the wire structures of three-phase windings；
Fig. 5 is the structure diagram of the second silicon steel sheet；
Fig. 6 is the grooved size figure of rotor slot；
Fig. 7 be rotor structure schematic diagram, main presentation end ring structure；
Fig. 8 is the explosive view of driving motor of pure electric automobile；
Fig. 9 is the B portions enlarged drawing of Fig. 8；
Figure 10 is the structure diagram of driving motor of pure electric automobile.
In figure：1st, housing；2nd, stator；21st, iron core；211st, the first silicon steel sheet；22nd, stator slot；23rd, flat type copper wire；25th, go out
Line end；26th, three-phase windings；31st, first end cover；32nd, second end cover；33rd, rotor；331st, rotor slot；34th, binding post；35th, it inserts
Slot；36th, nut；37th, terminal plate；38th, output shaft；39th, oil sealing；41st, corrugated gasket；42nd, high temperature magnet；43rd, magnetic coder；
44th, bearing；45th, "O"-ring；46th, end ring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：A kind of stator, including the iron core 21 synthesized by 211 punching press of the first silicon steel sheet, the first silicon as shown in Figure 1
211 structure of steel disc sets stator slot 22,22 numbers 45 of stator slot on the first silicon steel sheet 211.
As shown in Fig. 2, the groove profile of stator slot 22 is：Bs0=0.9mm, bs1=3.7mm, bs2=3.7mm, hs0=0.6mm,
Hs1=0.1mm, hs2=10.2mm.
2 internal diameter of stator is 97-107mm, and 2 outer diameter of stator is 140-150mm, is highly 95-130mm, steel 50W470,
Setting flat type copper wire 23, a diameter of 2.8 × 4.5mm of flat type copper wire 23, insulation thickness 0.2mm, line packet height in stator slot 22
For 25mm, 211 material of the first silicon steel sheet is 50W470, and supply voltage 60V/72V, exchange maximum current is 285A.
The size of stator 2 is limited according to designed stator slot 22, so as to be reduced from material, volume
It reduces, is effectively reduced in cost, in addition using flat type copper wire 23, avoid many windings of copper wire, flat type copper wire 23 can carry greatly
Electric current, kelvin effect, which is significantly better than, at high frequencies justifies winding, can reduce current density, can also improve wire casing space utilization
Rate.In process of manufacture, it is only necessary to flat type copper wire 23 in each wire casing be installed, if wound using copper wire, to be filled out
The space substituted the bad for the good in wire casing then needs coiling multiturn.In addition 45 wire casings are employed, are useful on three phase electric machine, three-phase windings 26
Magnetic field is formed after the external three phase mains of connection, due to combining the flat shape and structure of flat type copper wire 23, wire casing utilization rate height can drop
The iron loss of low-silicon steel piece.
As shown in figure 3, the bending of flat type copper wire 23 is inlaid in stator slot 22 and forms three-phase windings 26, three-phase windings 26 are outside
Extend three leading-out terminals 25.It reserves three leading-out terminals 25 and is for connection to external three phase mains.
Leading-out terminal 25 is respectively the three-phase terminal point of U, V, W.Motor replaces traditional enameled wire, concrete technology with flat copper body
After by flat copper body by design span bending, stator slot 22, welding of then twisting together again are inserted into, this kind of mode reduces employee behaviour
It is required, so as to improve production efficiency.Reduce enterprise's production cost.
Windings section uses flat type copper wire 23, and connection mode is wave winding mode.
As shown in figure 4, the flat type copper wire 23 of the U phases of three-phase windings 26 is distributed as：2 in first wire casing, 2 in the second wire casing
It is a, 1 in third wire casing, 1 in the 8th wire casing, 2 in the 9th wire casing, 2 in the tenth wire casing, 2 in the 16th wire casing, the
2 in 17 wire casings, 1 in the 18th wire casing, 1 in the 19th wire casing, 2 in the 24th wire casing, the 25th wire casing
In 2,2 in the 31st wire casing, 2 in the 32nd wire casing, 1 in the 33rd wire casing, 1 in the 38th wire casing
It is a, 2 in the 39th wire casing, 2 in the 40th wire casing；
The flat type copper wire 23 of the W phases of three-phase windings 26 is distributed as：2 in 6th wire casing, 2 in the 7th wire casing, the 8th wire casing
In 1,1 in the 13rd wire casing, 2 in the 14th wire casing, 2 in the 15th wire casing, 2 in the 21st wire casing, second
2 in 12 wire casings, 1 in the 23rd wire casing, 1 in the 28th wire casing, 2 in the 29th wire casing, the 30th line
2 in slot, 2 in the 36th wire casing, 2 in the 37th wire casing, 1 in the 38th wire casing, 1 in the 43rd wire casing
It is a, 2 in the 44th wire casing, 2 in the 45th wire casing；
The flat type copper wire 23 of the V phases of three-phase windings 26 is distributed as：2 in 11st wire casing, 2 in the 12nd wire casing, the tenth
1 in three wire casings, 1 in the 18th wire casing, 2 in the 19th wire casing, 2 in the 20th wire casing, 2 in the 36th wire casing
It is a, 2 in the 27th wire casing, 1 in the 28th wire casing, 1 in the 33rd wire casing, 2 in the 34th wire casing, the
2 in 35 wire casings, 2 in the 41st wire casing, 2 in the 42nd wire casing, 1 in the 43rd wire casing, third line
1 in slot, 2 in the 4th wire casing, 2 in the 5th wire casing.
Embodiment 2：As shown in figure 5, a kind of driving motor of pure electric automobile, including above-mentioned stator 2, further includes by second
The rotor 33 of silicon steel sheet punching press synthesis, sets rotor slot 331 on the second silicon steel sheet, 331 quantitative range of rotor slot is 41,
48th, 51,58 slots are evenly distributed with, and the present embodiment uses 51 slot numbers.
As shown in fig. 6, the groove profile of the rotor slot 331 is：Bs0=0.80mm, bs1=3.00mm, bs2=1.60mm,
Hs0=0.30mm, hs1=0.70mm, hs2=15.70mm.
As shown in fig. 7, rotor 33 is cast-aluminum rotor, the second silicon steel sheet outer diameter is 103mm, the internal diameter 34mm of rotor 33, is turned
The axial length L of son 33 is 110mm.End ring 46 is set on rotor 33, and the axial dimension of end ring 46 is 15mm；Radial dimension is
18.9mm, the slot slope of rotor is 1-1.2 stator slot.
As shown in Figure 8 and Figure 9, driving motor of pure electric automobile includes housing 1, first end cover 31 and second end cover 32, the
Binding post 34 is fixed on one end cap 31, the end set of binding post 34 has the slot 35 being inserted into for leading-out terminal 25, binding post 34
On be additionally provided with nut 36,36 bottom of nut is provided with "O"-ring 45, removable wiring plate is provided in first end cover 31
37, binding post 34 is fixed on by nut 36 on terminal plate 37.Second end cover 32 is set on the output shaft 38 of rotor 33, and second
Oil sealing 39 is additionally provided between end cap 32 and rotor 33.
In order to improve the secured problem of the packaging efficiency problem of entire motor and binding post 34, said stator 2 is employed
Later, binding post 34 needs and stator 2 connects, so slot 35 is set in binding post 34, so as to which leading-out terminal 25 is inserted into
In slot 35, so that the two comes into full contact with, electric conductivity is improved.Binding post 34 is fixed on terminal plate 37 further through nut 36
On, it is easy to disassemble in maintenance process, it is also convenient for staff in an assembling process and first welds binding post 34 and then is connect in fixation
Line plate 37."O"-ring 45 may insure the water resistance of binding post 34 again.
Second end cover 32 then can be with effective protection rotor 33, and in addition 39 structure of oil sealing can play dustproof and waterproof.Oil sealing 39
It avoids foreign matter excessively to enter, improves its service life.
As shown in Figure 10, be provided with corrugated gasket 41 between rotor 33 and the madial wall of second end cover 32, rotor 33 it is defeated
Shaft 38 is additionally provided with high temperature magnet 42 on one end of first end cover 31.Corrugated gasket 41 has certain elasticity, is turning
At son 33 and end cap position after setting corrugated gasket 41, there is certain elastic force in installation process, and can apply pre-
Stress improves 44 service life of bearing.The magnetism of high temperature magnet 42 is relatively stable, this magnetism can be used for providing letter to magnetic coder 43
Number, and reflect the rotating speed of output shaft 38.Magnetic coder 43 is additionally provided in first end cover 31.Magnetic coder 43 can be used for examining
Survey the rotating speed of the output shaft 38 of rotor 33.
Specific embodiment is only explanation to the utility model, is not the limitation to the utility model, this field
Technical staff can as needed make the present embodiment the modification of no creative contribution after this specification is read, but only
It all to be protected in the right of the utility model by Patent Law.
Claims (10)
1. a kind of stator, including the iron core (21) synthesized by the first silicon steel sheet (211) punching press, the first silicon steel sheet is set on (211)
Stator slot (22), which is characterized in that stator slot (22) number 45, the groove profile of the stator slot (22) are：bs0=
0.9mm, bs1=3.7mm, bs2=3.7mm, hs0=0.6mm, hs1=0.1mm, hs2=10.2mm.
2. stator according to claim 1, it is characterised in that：The stator（2）Internal diameter 97-107mm, stator（2）Outer diameter
140-150mm is highly 110-130mm, steel 50W470, setting flat type copper wire (23), flat type copper wire in stator slot (22)
(23) size is 2.8 × 4.5mm.
3. stator according to claim 2, it is characterised in that：Flat type copper wire (23) bending is inlaid in stator slot (22)
Interior formation three-phase windings (26), the three-phase windings (26) extend outward three leading-out terminals (25).
4. a kind of driving motor of pure electric automobile, it is characterised in that：Including stator as described in any one of claims 1-3（2）, also
Including the rotor synthesized by the second silicon steel sheet punching press（33）, setting rotor slot (331), rotor slot on the second silicon steel sheet
(331) quantitative range is uniformly distributed for 33-42, and the groove profile of the rotor slot (331) is：Bs0=0.80mm, bs1=3.00mm,
Bs2=1.60mm, hs0=0.30mm, hs1=0.70mm, hs2=15.70mm.
5. driving motor of pure electric automobile according to claim 4, it is characterised in that：The rotor（33）Turn for cast aluminium
Son, the second silicon steel sheet outer diameter be 96-106mm, rotor（33）Internal diameter 34mm, rotor（33）Axial length be 110-130mm.
6. driving motor of pure electric automobile according to claim 5, it is characterised in that：The rotor（33）Upper setting end ring
(46), the axial dimension of end ring (46) is 15mm；Radial dimension is 18.9mm, rotor（33）Slot slope be 1-1.12 stator
Slot.
7. driving motor of pure electric automobile according to claim 4, it is characterised in that：Further include housing (1), first end cover
(31) and second end cover (32) binding post (34), is fixed in first end cover (31), the end set of binding post (34) is confessed
The slot (35) that line end (25) is inserted into is additionally provided with nut (36) on binding post (34), and nut (36) bottom is provided with "O"-ring
(45), removable wiring plate (37) is provided on the first end cover (31), binding post (34) is fixed on by nut (36)
On terminal plate (37).
8. driving motor of pure electric automobile according to claim 7, it is characterised in that：The second end cover (32) is set in
Rotor（33）Output shaft (38) on, second end cover (32) and rotor（33）Between be additionally provided with oil sealing (39).
9. driving motor of pure electric automobile according to claim 8, it is characterised in that：The rotor（33）And second end cover
(32) corrugated gasket (41), the rotor are provided between madial wall（33）Output shaft (38) close to first end cover (31)
High temperature magnet (42) is additionally provided on one end.
10. driving motor of pure electric automobile according to claim 9, it is characterised in that：On the first end cover (31) also
It is provided with magnetic coder (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721361875.XU CN207475297U (en) | 2017-10-20 | 2017-10-20 | A kind of stator and driving motor of pure electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721361875.XU CN207475297U (en) | 2017-10-20 | 2017-10-20 | A kind of stator and driving motor of pure electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475297U true CN207475297U (en) | 2018-06-08 |
Family
ID=62264609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721361875.XU Expired - Fee Related CN207475297U (en) | 2017-10-20 | 2017-10-20 | A kind of stator and driving motor of pure electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475297U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190696A (en) * | 2019-05-24 | 2019-08-30 | 浩夫尔动力总成（上海）有限公司 | A kind of flat type copper wire armature winding construction arrangement |
| WO2020107582A1 (en) * | 2018-11-29 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Electric motor, power device and robot |
-
2017
- 2017-10-20 CN CN201721361875.XU patent/CN207475297U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020107582A1 (en) * | 2018-11-29 | 2020-06-04 | 深圳市大疆创新科技有限公司 | Electric motor, power device and robot |
| CN110190696A (en) * | 2019-05-24 | 2019-08-30 | 浩夫尔动力总成（上海）有限公司 | A kind of flat type copper wire armature winding construction arrangement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106169840B (en) | It is a kind of by motor and controller collection at integrated electric motor drive system | |
| CN101431268A (en) | Vehicle alternator, manufacture method, rotary motor for car and vehicle | |
| CN207475297U (en) | A kind of stator and driving motor of pure electric automobile | |
| CN101577454A (en) | Three-phase water-cooling permanent magnet synchronous motor | |
| CN204407147U (en) | A kind of grounding transformer | |
| CN109301950B (en) | Stator winding and disc motor | |
| CN108418376B (en) | High-power-density motor | |
| CN106411082A (en) | AC asynchronous motor with circumferential windings | |
| CN107968509A (en) | Alternating current generator with flat wire stator winding | |
| CN205542311U (en) | Reactor | |
| CN101651385A (en) | Novel generator slip ring device | |
| CN101860152A (en) | Three-phase AC asynchronous motor for YDAX series of electric automobiles | |
| CN208272820U (en) | Desk permanent-magnet synchronizes exhaust blower motor | |
| CN100550581C (en) | Intermediate frequency magneto Three-phase Single-layer Windings | |
| CN106208541A (en) | A kind of built-in Oil pump electrical machinery and processing method thereof | |
| CN201742180U (en) | Refrigerator compressor motor stator | |
| CN201191796Y (en) | Brushless excitation system embedded synchronous electric motor | |
| CN208078743U (en) | stator | |
| CN100426636C (en) | A flat rare-earth permanent-magnetic brushless DC machine | |
| CN201846211U (en) | Double-magnetic disk type electric motor | |
| CN207719902U (en) | A kind of generator stator of vehicle | |
| CN207652201U (en) | A kind of trans- brushless motor and unmanned plane | |
| CN202374060U (en) | Nonuniform air gap motor | |
| CN203180678U (en) | Energy-saving direct-current motor | |
| CN206533216U (en) | A kind of rotor insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20191020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |