CN109904948A - Winding water cooling microlight-type axial-flux electric machine - Google Patents
Winding water cooling microlight-type axial-flux electric machine Download PDFInfo
- Publication number
- CN109904948A CN109904948A CN201810782116.3A CN201810782116A CN109904948A CN 109904948 A CN109904948 A CN 109904948A CN 201810782116 A CN201810782116 A CN 201810782116A CN 109904948 A CN109904948 A CN 109904948A
- Authority
- CN
- China
- Prior art keywords
- stator
- cooling
- electric machine
- microlight
- flux electric
- 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
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention discloses a kind of winding water cooling microlight-type axial-flux electric machine comprising discoid stator and rotor, the stator are located at middle position, and the rotor is two, is respectively provided at the two sides of the stator；Wherein, cooling water pipe is surrounded between stator core inner edge and adjacent stator core, the cooling water pipe include with the quantity such as stator core, be located between stator core in Π shape first part and be located at second, third part that the first part adjacent with two sides of stator core inner edge be connected to, it is cooling water pipe that the both ends of the adjacent Π shape first part of the cooling water pipe pass through the connection of second, third part compartment of terrain respectively.The present invention solves the problems, such as that stator is cooling, and the radial space for simultaneously effective reducing motor occupies size.
Description
Technical field
The present invention relates to a kind of axial-flux electric machines, belong to technical field of motors.
Background technique
Permanent magnet high-speed motor, which can be applied, directly drives the occasions such as electricity generation system in such as aerator, compressor, gas turbine, uses
To replace the common combination for adding gear-box using low speed asynchronous machine before.There is power density height, it is small in size, it is light-weight,
It is high-efficient, the characteristics of high reliablity.Exclusive advantage is all embodied in performance in all respects.
The cooling of axial-flux electric machine generally has using air-cooled and water cooling, and end cap water is usually used in its water-cooling system
Cold and casing water cooling, such as permanent magnetism water cooling disc type electric machine disclosed in 201210142931.6, including water tank end cap, stator, casing,
Rotor, bearing, main shaft, fastening bolt.First the heater stator of magneto is fastened on water tank end cap, main shaft and permanent magnetism turn
Son is fixedly connected, and the both ends of main shaft are separately mounted on water tank end cap and drive end bearing bracket by bearing, is equipped with and is dissipated on water tank end cap
The water tank of backing and water inlet pipe, outlet pipe and water tank end cap leads to, and water tank and the circulating cooling water source of water tank end cap interlink；From
And realize cooling.
The application for a patent for invention of Patent No. 201810024665.4 discloses a kind of disc type electric machine, the disc type electric machine packet
Include the internal casing and stator module with installation cavity.Its mainly cover internal be arranged the first cooling duct, while
The second cooling duct is equipped with inside main casing, the second cooling duct is by being set to the intracorporal axial interface channel of the main casing and institute
State the connection of the first cooling duct.To realize end cap and shell while cooling.However, either end cap is cooling or shell is cold
But, all directly stator winding cannot directly cool down well, therefore its cooling effect is not achieved most preferably.
The application for a patent for invention text of Publication No. CN107591944A discloses a kind of disc type electric machine radiator structure and disk
Formula motor, the disc type electric machine radiator structure include end cap, stator module, the first heat-conducting glue layer and cooling structure, are mainly
Inwardly protruded cooling duct is set in two end cap inner surfaces, and sets heat-conducting glue between stator module and the inner wall of end cap
Filling, conducting the heat of the stator module to the cooling duct on end cap inner wall.Although which raises dissipating for stator
Thermal effect, but since the setting for increasing cooling duct and heat-conducting glue filling on end cap can all increase axial length,
Axial space occupies greatly, can not directly cool down to stator.
Moreover, in order to improve power of motor density and torque density, it is important to how to improve the cooling effect of stator winding.
CN203537176U utility model patent discloses a kind of compact high performance disc type electric machine water-cooling system, including electricity
Machine stator, the motor stator include the stator core of circular ring shape, the stator core surface is radially even be distributed with it is several
Groove, is the stator core teeth portion of protrusion between two neighboring groove, each stator core teeth portion be mounted on stator around
Coil is organized, S type cooling water pipe, the S type cooling water pipe and the stator winding line are provided in the groove of the stator core
Circle fitting.Disc type electric machine water-cooling system disclosed in the utility model patent is directly cooled down to stator winding, cooling effect
Fruit obviously has relative to aforementioned patent good cooling results, still, due to its cooling water pipe around stator core it is S-type surround, water pipe
In can generate circulation, and then increase loss.In addition, since cooling water pipe is S-shaped circular in stator core, i.e., it is inside and outside in iron core
There is cooling water pipe, undoubtedly will increase motor radial space size.
Another problem existing for axial-flux electric machine is that stator core is usually used silicon steel sheet and is made, main
It is to be easy fever, so that its loss height, low efficiency.Meanwhile the rotor magnet of axial-flux electric machine is generally using common main
The arrangement of magnetic pole, which magnetic pole is uniformly distributed, therefore effectively flux density and invalid flux density is uniformly distributed, and rotor yoke thickness is thicker, from
And it is larger that axial space is occupied.
Therefore, one kind can reduce stator core fever, and can directly cool down to stator core, and be avoided that water
Pipe generate circulation and reduce motor is axial, radially take up space and the axial magnetic flux that electric efficiency reduces loss can be improved
Motor becomes the target that those skilled in the art pursue.Meanwhile how to improve the poly- magnetic effect of magnetic pole, so that effective air gap flux density increases
Add, invalid magnetic field tails off, so that rotor yoke thickness be made to reduce, reduces motor and axially takes up space size, become this field skill
The target that art personnel pursue.
Summary of the invention
High it is an object of the invention to solve existing axial-flux electric machine stator temperature, stator S-shaped cooling water pipe is to fixed
Sub- winding into it is cooling when lead to the problem of circulation and its radial space occupy it is big.
Another object of the present invention is to solve its stator itself in the prior art to generate heat big, loss greatly, low efficiency is asked
Topic, and then reach directly reduction iron core calorific value itself, improve efficiency.
Another object of the present invention is to solve the arrangement of its rotor magnetic steel in the prior art, for axial-flux electric machine
For, rotor rim thickness is big, and it is excessive so as to cause axial-flux electric machine thickness, increase axial the problem of taking up space.
To achieve the above object, the present invention provides: a kind of winding water cooling microlight-type axial-flux electric machine comprising in being located at
Between position stator, which includes core end plate, is located at the stator core being circumferentially evenly arranged on core end plate and coiling
Winding outside it, and constitute rotor rim and the rotor on stator opposing end surface that the magnet of multiple magnetic poles is configured in plate-like；
The stator is located at middle position, and the rotor is two, is respectively provided at the two sides of the stator；It is characterized in that, described
Stator core inner edge and stator slot (between adjacent stator core) are surrounded with cooling water pipe, and the cooling water pipe includes and determines
The quantity such as sub- iron core, be located between stator core in Π shape first part and be located at the adjacent with two sides of stator core inner edge
First part connection second, third part, the both ends of the adjacent Π shape first part of the cooling water pipe pass through respectively
The connection of second, third part compartment of terrain is cooling water pipe.
Winding water cooling microlight-type axial-flux electric machine of the present invention, it is preferred that, the cooling water pipe by
1-4 root is constituted, and each includes a water inlet and a water outlet.
Winding water cooling microlight-type axial-flux electric machine of the present invention, it is preferred that, the cooling water pipe
First part is in Π shape tabular, second and third part is in arc plate.
Winding water cooling microlight-type axial-flux electric machine of the present invention, it is preferred that, the stator core uses
Non-crystalline material coiling forms.
Winding water cooling microlight-type axial-flux electric machine of the present invention, it is preferred that, the stator core also wraps
It includes intermediate mandrel and both ends end plate, the flaky non-crystalline material made of soft magnetic materials and is wound around the intermediate mandrel
On.
Winding water cooling microlight-type axial-flux electric machine of the present invention, it is preferred that, the intermediate mandrel is cut
Face is trapezoidal, and it is with the radial dimension of 1/10-1/5 of entire iron core.
Winding water cooling microlight-type axial-flux electric machine of the present invention, it is preferred that, the magnetic pole of the rotor by
The main magnet of axial magnetized and the magnet composition that magnetizes of circumferential magnetization.
Winding water cooling microlight-type axial-flux electric machine of the present invention, it is preferred that, the magnetic that magnetizes of circumferential magnetization
The polarity of iron are as follows: the pole the N main magnet side close to stator side is the pole N, and the pole the S main magnet side close to stator side is the pole S.Its
In, main magnet and the magnet that magnetizes are made of rare-earth permanent magnet.
Winding water cooling microlight-type axial-flux electric machine of the present invention, it is preferred that, the rotor magnetic of the rotor
The back side of yoke is provided with several flabellums of radial arrangement.For further decreasing the temperature of motor, cooling effect is improved.
Due to the adoption of the above technical scheme, between adjacent iron cores and iron core inner edge is equipped with cooling water pipe to the present invention,
By cleverly designing, cooling water pipe only between adjacent stator and stator inner edge setting, without being wound around outside stator, because
This, is not only due to that the cooling of stator directly may be implemented close to stator, while can reduce the radial space occupancy of stator,
Therefore the radial dimension of motor can be reduced.Simultaneously as the cooling water pipe between adjacent stator tooth is arranged in Π shape, i.e.,
It is made of the Π pipe inwardly to flow back again outward, is in reverse reflux in the cooling water pipe of adjacent between cog, therefore, which overcome existing
The problem of circulation can be generated around the S-type circular cooling water pipe of stator core in technology, and then increase loss.
Cooling water pipe may further be made into more by the present invention, and used in parallel, thus increased water flow amount, increase is cooling to be imitated
Fruit.
The present invention further uses non-crystalline material that iron core is made, it is possible thereby to iron core fever be reduced, especially by smaller
Soft magnetic materials be made into mandrel, so as to which the non-crystalline material coiling of sheet is formed the iron core being made of substantially non-crystalline material.
The present invention is further, and rotor magnet is constituted using the main magnet of axial magnetized and the magnet that magnetizes of circumferential magnetization,
It is possible thereby to effectively increase the magnet accumulating cap of magnetic pole, so that effective air gap flux density increases, magnetic field sine improves, while invalid
Magnetic field becomes smaller, required rotor rim is thinning, and then the axial space for reducing axial-flux electric machine of the present invention occupies.
Thus, it can be seen that the present invention has the advantage that
1, heat dissipation effect is outstanding, no leakage hidden trouble；
2, cooling device is compact-sized, light and handy and be not take up the motor useful space；
3, rotor is due to increasing the magnet that magnetizes, so that rotor loss reduces；
4, big low speed torque, light-weight, power density is high.
Detailed description of the invention
Fig. 1 is the cross-sectional view of winding water cooling microlight-type axial-flux electric machine of the present invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the side view of Fig. 1；
Fig. 4 is the stereogram exploded view of winding water cooling microlight-type axial-flux electric machine of the present invention removed after shell；
Fig. 5 a is the schematic perspective view of iron core；
Fig. 5 b is the longitudinal section view of iron core；
Fig. 5 c is the sectional elevation of iron core；
Fig. 6 is stator cooling device structural schematic diagram of the invention；
Fig. 7 is stator cooling water pipe structural schematic diagram of the invention；
Fig. 8 is rotor magnetic pole layout drawing of the present invention；
Fig. 9 is rotor main magnet of the present invention, magnetize magnet circumferential direction local expansion figure.
Wherein: 12 insulating layer of stator 1 rotor, 2 casing, 3 end cap, 4 end cap, 5 iron core, 11 stator winding, 13 cooling water
6 first part of pipe, 61 second part, 62 Part III, 63 entrance 611 exports 612 water inlet, 64 water outlet, 65 iron core core
111 1112 iron core main part of intermediate 1111 end plate of mandrel, 112 rotor rim of axis, 21 main pole 22 magnet 23 that magnetizes is suitable
The hour hands magnet 231 that magnetizes magnetizes 232 flabellum 24 of magnet counterclockwise
Specific embodiment
Embodiment 1 is winding water cooling microlight-type axial-flux electric machine of the present invention referring to Fig. 1-4, is disc type electricity
Machine, including being located at intermediate stator 1 and be symmetrically arranged at the rotor 2 at stator both ends, be located at the casing 3 outside rotor 2 and stator 1 with
And it is located at the end cap 4,5 at both ends；Stator 1 includes that iron core 11, the iron core being circumferentially evenly arranged are externally provided with stator winding 12, fixed
Sub- winding is externally provided with insulating layer 13；It further includes a cooling device, which is to be surrounded on the stator core with winding
Cooling water pipe 6 between 11 inner edges and stator core 11, referring to Fig. 7 A, 7B, cooling water pipe 6 includes and the numbers such as stator core
The first part 61 that measure, is located between stator core and the first part connection adjacent with two sides for being located at stator core inner edge
The both ends of second, third part 62,63, the adjacent Π shape first part 61 of cooling water pipe 6 pass through second, third part respectively
62, the connection of 63 compartment of terrain is cooling water pipe.
Specifically, first part 61 is in Π shape tubulose in terms of the section of Fig. 7 B comprising two openings, an entrance
611, one outlet 612, plate-like, in this way convenient for saving circumferential space, preferably gap is got between water inlet pipe and outlet pipe
It is small better, it can also are as follows: separate to form two openings by a partition among the cavity of a plate.Referring to Fig. 7 A comprising
One total water inlet 64 and a total water outlet 65, cooling water pass into Part III 63 into first from water inlet 64
The entrance 611 of part 61 is connected to the first part of adjacent stators between cog from the outlet of first part 612 by second part 62
61 entrance 611, then be connected to the entrance 611 of adjacent first part 61 by Part III 63, i.e. first part 61 enter
Mouth 611, outlet 612 are that interval exchanges, and the entrance 611 of first first part 61 exports 612 on the outside in inboard, second
Then on the outside, outlet 612 is in inboard, and successively compartment of terrain passes through second part 62, Part III for the entrance 611 of a first part 61
63 are connected to, so until water outlet 65 flows out.Second, third part 61,63 is the inside for being located at stator core 11, in sky
Heart arc plate, thus, it is possible to which only motor can be saved without being arranged on the outside in the inside of iron core 11 setting cooling water pipe 6
Radial space.In the present embodiment, cooling water pipe 6 is one comprising a total water inlet 64 and a total water outlet
65, or more root canals, such as 2-4 root canal are used in parallel.Such benefit is that water flow is multiplied, and cooling effect is more
It is good.
Cooling water pipe of the invention is made preferably with aluminium, and stator-winding copper is externally provided with insulating layer, keeps it internal basic
There is no electric current to flow through, to realize that motor strength is cooling and does not have leakage hidden trouble, and the radial dimension of motor can be reduced.
Referring to Fig. 5 A, 5B, 5C, in order to reduce the fever of motor stator, stator core 11 of the invention uses non-crystalline material
It is made, the non-crystalline material of the iron core 11 is flaky material, is formed by its 111 coiling of iron core mandrel for being located at center, iron
Core mandrel 111 has intermediate mandrel 1111 and the end positioned at mandrel both ends made of soft magnetic materials in inverted trapezoidal including a section
Plate 1112 is made in intermediate mandrel 111 of soft magnetic materials, preferably in the consistent inverted trapezoidal of core configuration, it is possible thereby at it
On be wound with sheet non-crystalline material constitute iron core main part 112, thus the iron core that Formation cross-section is trapezoidal.This especially sets
Core loss can be greatly reduced in iron core made of the non-crystalline material of meter, to reduce iron core fever, reduce loss, improve motor
Efficiency.
Show rotor magnetic steel end face arrangement schematic diagram referring to Fig. 8, Fig. 9, Fig. 8, Fig. 9 is that magnet steel is circumferentially unfolded
Figure；Winding water cooling microlight-type axial-flux electric machine of the present invention, the disc-shaped rotor 2 including being located at 1 two sides of stator turn
Son 2 include rotor rim 21 and and be located at rotor rim 21 and the adjoining one side of stator be in stator winding corresponding position
Main pole 22 circumferentially, and in the magnet 23 that magnetizes of circumferential magnetization, which includes: the magnet that magnetizes clockwise
It 231 and magnetizes magnet 232 counterclockwise；In the direction of the clock: between the pole the N main magnet and the pole S main magnet close to stator side
It is the magnet 231 that magnetizes clockwise between the pole S main magnet and the pole N main magnet for the magnet 232 that magnetizes counterclockwise；Magnetize magnet 23
Polarity are as follows: the pole the N main magnet side close to stator side is the pole N, and the pole the S main magnet side close to stator side is the pole S.Wherein, main
Magnet 22 and the magnet that magnetizes are rare-earth permanent magnet.Viewed in circumferential, the pole N main magnet is identical with the magnet pole widths of the pole S main magnet, inverse
Hour hands magnetize the magnet 232 and magnet 231 that magnetizes is of same size clockwise.According to magnetic pole thickness, air gap, the difference of pole span, main magnetic
The optimal proportion of 22 magnetic pole of iron and 23 width of magnet that magnetizes is different.23 proportion of magnet that magnetizes increases, although directly generate
Air gap direction magnetic field reduces, but the magnet accumulating cap of the magnetic pole to be magnetized by two sides circumferencial direction, can make up air-gap field
Reduce.Two kinds of effect comprehensive functions determine the proportion of final various magnetic poles.Referring to Fig. 9 as can be seen that in the magnet that magnetizes
Under effect, increase close to the pole N of the main magnet 22 of stator side and effective flux density of the pole S, so that magnetic field sine improves；The other side
Main magnet 22 invalid field weakening, so as to reduce the thickness of rotor rim, make motor thickness be thinned, it is more compact.
Referring to fig. 4, it in order to further increase the cooling effect of motor, is provided at the back side of rotor rim 21 radial
The flabellum 24 of arrangement, height are determined according to the size in space.
Winding water cooling microlight-type axial-flux electric machine of the invention because field structure does not have stator yoke, and only turns
Sub- yoke portion, so being thinned for rotor yoke may be implemented using magnetic pole and the main magnet combination of magnetizing, it can effectively low reduction
The volume of integrated motor.
It is possible thereby to see, the magnetic pole of rotor of the present invention can be increased poly- magnetic effect, that is, be existed using main magnet and the magnet that magnetizes
Stator side magnetic field becomes strong, and the effective air gap flux density for being increases, and the sine in magnetic field improves.Meanwhile in the side of rotor rim
Magnetic field tails off, and thus needs rotor yoke thinning, and then the axial space that can reduce motor occupies, and reduces the size of motor.
Above embodiments are only demonstration explanation to be carried out to the present invention, rather than limit the protection scope of the application, this field
Technical staff can carry out conventional modifications or substitutions on the basis of the above embodiments, such as: change the number of cooling water pipe
Amount is changed main magnet and is magnetized magnet but these modifications or substitutions still should belong to the application's using more water pipe parallel connections
Protection scope.
Claims (10)
1. a kind of winding water cooling microlight-type axial-flux electric machine comprising be located at the stator in middle position, which includes iron core
End plate is located at the winding of the stator core being circumferentially evenly arranged on core end plate and coiling outside it, and constitutes multiple magnetic poles
The rotor rim and the rotor on stator opposing end surface that magnet is configured in plate-like；The rotor is two, it is described to be respectively provided at
The two sides of stator；It is characterized in that, being surrounded with cooling water pipe, the cooling between the stator core inner edge and stator slot
Water pipe include with the quantity such as stator core, be located between stator core in Π shape first part and be located at stator core inner edge
Adjacent with two sides first part's connection second, third part, the adjacent Π shape first part of the cooling water pipe
It is cooling water pipe that both ends pass through the connection of second, third part compartment of terrain respectively.
2. winding water cooling microlight-type axial-flux electric machine according to claim 1, which is characterized in that the cooling water pipe
It is made of 1-4 root, each includes a water inlet and a water outlet.
3. winding water cooling microlight-type axial-flux electric machine according to claim 1, which is characterized in that the cooling water pipe
First part be in Π shape tabular, second and third part be in arc plate.
4. winding water cooling microlight-type axial-flux electric machine described in -3 any items according to claim 1, which is characterized in that institute
Stator core is stated to form using non-crystalline material coiling.
5. winding water cooling microlight-type axial-flux electric machine according to claim 4, which is characterized in that the stator core is also
The intermediate core is wound around including intermediate mandrel and both ends end plate, the flaky non-crystalline material made of soft magnetic materials
On axis.
6. winding water cooling microlight-type axial-flux electric machine according to claim 5, which is characterized in that the intermediate mandrel
Section is trapezoidal, and its 1/10-1/5 with entire iron core radial direction area.
7. winding water cooling microlight-type axial-flux electric machine described in -6 any items according to claim 1, which is characterized in that institute
The magnetic pole for stating rotor is made of the magnet that magnetizes of the main magnet of axial magnetized and circumferential magnetization.
8. winding water cooling microlight-type axial-flux electric machine according to claim 7, which is characterized in that circumferential magnetization magnetizes
The polarity of magnet are as follows: the pole the N main magnet side close to stator side is the pole N, and the pole the S main magnet side close to stator side is the pole S.
9. winding water cooling microlight-type axial-flux electric machine according to claim 8, which is characterized in that the main magnet width
It is identical；The magnet width that magnetizes is identical.
10. winding water cooling microlight-type axial-flux electric machine described in -9 according to claim 1, which is characterized in that the rotor
The back side of rotor rim is provided with several flabellums of radial arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782116.3A CN109904948A (en) | 2018-07-17 | 2018-07-17 | Winding water cooling microlight-type axial-flux electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810782116.3A CN109904948A (en) | 2018-07-17 | 2018-07-17 | Winding water cooling microlight-type axial-flux electric machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109904948A true CN109904948A (en) | 2019-06-18 |
Family
ID=66943086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810782116.3A Pending CN109904948A (en) | 2018-07-17 | 2018-07-17 | Winding water cooling microlight-type axial-flux electric machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109904948A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030401A (en) * | 2019-12-18 | 2020-04-17 | 苏州英磁新能源科技有限公司 | Disc type full-superconducting motor |
| CN112821644A (en) * | 2021-01-29 | 2021-05-18 | 上海电机学院 | Water cooling system of disc type coreless permanent magnet motor |
| CN114337000A (en) * | 2021-11-03 | 2022-04-12 | 无锡川木智能装备有限公司 | A novel stator structure for improving motor efficiency |
| WO2022156505A1 (en) * | 2021-01-25 | 2022-07-28 | 中国第一汽车股份有限公司 | Motor cooling system, motor cooling method, and motor |
| WO2022160027A1 (en) * | 2021-02-01 | 2022-08-04 | Weg Equipamentos Eletricos S.A. | Axial-flux electric machine and method for assembling a stator of an axial-flux electric machine |
-
2018
- 2018-07-17 CN CN201810782116.3A patent/CN109904948A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111030401A (en) * | 2019-12-18 | 2020-04-17 | 苏州英磁新能源科技有限公司 | Disc type full-superconducting motor |
| WO2022156505A1 (en) * | 2021-01-25 | 2022-07-28 | 中国第一汽车股份有限公司 | Motor cooling system, motor cooling method, and motor |
| CN112821644A (en) * | 2021-01-29 | 2021-05-18 | 上海电机学院 | Water cooling system of disc type coreless permanent magnet motor |
| WO2022160027A1 (en) * | 2021-02-01 | 2022-08-04 | Weg Equipamentos Eletricos S.A. | Axial-flux electric machine and method for assembling a stator of an axial-flux electric machine |
| CN114337000A (en) * | 2021-11-03 | 2022-04-12 | 无锡川木智能装备有限公司 | A novel stator structure for improving motor efficiency |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109904948A (en) | Winding water cooling microlight-type axial-flux electric machine | |
| US7847456B2 (en) | Permanent magnet electrical rotating machine, wind power generating system, and a method of magnetizing a permanent magnet | |
| US20160294229A1 (en) | Electric rotating machine with laterally magnetized magnets | |
| JP2008131813A5 (en) | ||
| CN108270301B (en) | Stator structure with winding end cooling structure and motor thereof | |
| CN109787405A (en) | A kind of efficient flux barrier motor based on combination cooling technology | |
| KR20010030256A (en) | An alternating current dynamo for a vehicle | |
| CN208539670U (en) | Winding water cooling microlight-type axial-flux electric machine | |
| CN108777538A (en) | Two-way flux coupled formula magnetic field modulation direct driving motor for electric vehicle | |
| WO2011094909A1 (en) | Heat dissipation device for high power vertical axis wind generator | |
| JPS60219945A (en) | Permanent magnet type synchronous motor | |
| CN112383191B (en) | Self-fan cold axial flux motor with external centrifugal fan | |
| CN110365134A (en) | A kind of permanent-magnetic synchronous motor stator body and permanent magnet synchronous motor | |
| CN112383194B (en) | Self-cooling axial flux motor with built-in centrifugal fan | |
| CN207819594U (en) | A kind of New-type electric machine of Low gullet torque | |
| CN112491197A (en) | Oil-cooled axial flux motor with built-in axial flow fan | |
| CN110112844A (en) | A kind of doubly salient permanent magnet motor | |
| WO2008067705A1 (en) | A multiple-pole inner rotor permanent mangent generator | |
| CN107769510A (en) | A kind of stator is embedded with the composite stepper motor of U-shaped permanent magnet | |
| WO2009036666A1 (en) | Generator | |
| CN101005216A (en) | Stator of multipole internal rotor permanent magnet generator | |
| CN204597738U (en) | Axially to magnetic rare earth permanent-magnetic generator | |
| CN208754161U (en) | A kind of cartridge type list air gap internal rotor is without reluctance motor | |
| WO2011049555A1 (en) | Compact permanent magnet generator | |
| RU2002114622A (en) | Combined Cooling Electric Machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |