CN107863831A - Large-power High-Speed disc type electric machine - Google Patents
Large-power High-Speed disc type electric machine Download PDFInfo
- Publication number
- CN107863831A CN107863831A CN201711330818.XA CN201711330818A CN107863831A CN 107863831 A CN107863831 A CN 107863831A CN 201711330818 A CN201711330818 A CN 201711330818A CN 107863831 A CN107863831 A CN 107863831A
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- Prior art keywords
- rotor
- encoder
- rear flange
- shaft
- flange component
- 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
- 238000000034 method Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 230000005855 radiation Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 210000003205 muscle Anatomy 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims 2
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/163—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at only one end of the rotor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A kind of Large-power High-Speed disc type electric machine, belong to industry automatic control technology and new-energy automobile motor technical field.Including forward flange component (1), rear flange component (2), stator module (3), rotor assembly (4);Rotor assembly (4) is linked together by bearing and rear flange component (2), forward flange component (1) and rear flange component (2) are connected by seam with stator module (3), and make to be screwed at one, rotor assembly (4) is connected by bearing with stator module (1), forms complete motor.Advantage is, motor has that power density is big, working speed is high, flat disc type, simple for structure, easy to process, reliable etc..
Description
Technical field
It is more particularly to a kind of big the invention belongs to industry automatic control technology and new-energy automobile motor technical field
Power high speed disc motor, it is suitable for use with the drive system of dc source power supply and AC power power supply.
Background technology
The development of electric machines control technology and motor are in the application in new-energy automobile field, increasing driving class motor control
System processed is used widely.These systems often require that motor operation in higher rotation speed, and have larger power output, simultaneously
The volume and weight of motor all must be controlled effectively.The external diameter of usual this kind of motor and the ratio of motor length are relatively small, axle
To the space for having abundance relatively, and there are some special application scenarios, it is desirable to which the fineness ratio of motor is big, and whole motor is flat
It is tray type structure such as plate, while also needs to be operated in higher rotating speed, this point exactly contradicts with the big fineness ratio of motor,
The present invention is exactly generation etc. in this context.
The content of the invention
The purpose of patent of the present invention is to provide a kind of Large-power High-Speed disc type electric machine, is that one kind is operated in height concretely
Under rotating speed and high-power driving motor that electric machine structure is flat.To solve the above problems, umbrella shape rotor set is used in the present invention
Part supporting construction, reversely through encoder connected mode, Tenon type rotor core fixed form, string and the radiation water channel combined
The a series of innovative approach such as design, the repertoire of motor is realized on the premise of the constraint of motor overall volume is met, very
Must solve contradiction of the prior art well.
The present invention includes forward flange component 1, rear flange component 2, stator module 3, rotor assembly 4 etc., and rotor assembly 4 passes through
Bearing is linked together with rear flange component 2, and forward flange component 1 and rear flange component 2 are connected by seam with stator module 3,
And make to be screwed at one, rotor assembly 4 is connected by bearing with stator module 1, and this four part forms complete motor.
Rotor assembly 4 includes rotor core 9, rotor set 10, cramp 11, special-shaped key 12, forms umbrella-type support structure;Using
Rotor core 9 is connected by the fixed form of rotor core 9 of Tenon type with rotor set 10;
Rear flange component 2 includes rear flange 5, main shaft 6, encoder 7, encoder connecting rod 8, uses reverse through mode
The connection of rotor assembly 4 and encoder 7 is carried out, the shaft of encoder 7 is connected with the shaft of rotor set 10 by shaft coupling 16, shape
Into reverse through encoder connected mode;
Stator module 1 includes radiating sleeve 13, shell 14, and shell 14 is enclosed on the outside of radiating sleeve 13 using the method for hot charging, into
For an entirety, the radiation water channel gone here and there and combined is formed.
Rear flange component 2 includes rear flange 5, main shaft 6, encoder 7, encoder connecting rod 8 etc., and main shaft 6 is logical with rear flange 5
Cross screw to be fixedly connected, encoder connecting rod 8 is fixed together using jackscrew and encoder 7, and passes through encoder 7 and main shaft 6
Fixed, encoder connecting rod 8 passes through the perforate above main shaft 6.
Rotor assembly 4 includes rotor core 9, rotor set 10, cramp 11, special-shaped key 12 etc.;Rotor core 9 is sleeved on rotor
On set 10, axial location is limited by the step above rotor set 10, special-shaped key is used between rotor core 9 and rotor set 10
12 control tangential displacement.
Stator module 1 includes radiating sleeve 13, shell 14 etc., and shell 14 is enclosed on the outside of radiating sleeve 13 using the method for hot charging,
Form an entirety.
The innovative point of the present invention
1 rotor assembly is umbrella-type support structure
Limited in space, electric machine structure is flat, and no image of Buddha conventional motor is like that in the certain axial space in rear end
Encoder 7 for feedback position signal is installed so that control system is controlled, to solve this problem, rotor set of the present invention
Part 4 employs umbrella-type support structure.It is different from conventional motor, the inner ring of rear end bearing 15 and main shaft 6 are fixed in the present invention, outside
Circle rotation, whole rotor assembly 4 is supported using the outer ring of bearing.Main shaft 6 is connected with rear flange 5, does not rotate, and passes through
It is rotating part that rotor contained by rotor assembly 4, which covers 10 output speeds and torque, rotor assembly 4,.Rotor set 10 is stepped knot
Structure, form umbrella-type support structural support with the ball of bearing and play whole rotating part.So, can be in rear end bearing 15
Installing space is reserved to encoder 7 so that the non-rotating part of encoder is fixed, and is not accounted for inside the main shaft 6 of circle
Use axial height.
2 reverse through encoder connected modes
To save axial space, the connection of rotor assembly 4 and encoder 7 is carried out using reverse through mode.Encoder 7
The shaft of shaft and rotor set 10 be connected by shaft coupling 16, the shafts of the connection of rotor set 10 are larger, and the shaft is provided with
Through hole enables encoder connecting rod 8 to extend there through.The larger side of the perforate of shaft coupling 16 is directly connected to rotor set 10
On shaft, the less side of the perforate of shaft coupling 16 is connected with covering the encoder connecting rod 8 of 10 shafts and shaft coupling 16 through rotor,
Realize that two shafts are reversely connected to wearing.Also, it is provided with smaller one section side of encoder connecting rod 8 being connected of the diameter of shaft coupling 7
Yi word pattern groove, for the adjustment of encoder 7 and the relative position of rotor assembly 4, encoder is connected using jackscrew after being adjusted in place
Bar 8 is connected with shaft coupling 16.In the centre position of encoder connecting rod 16, installation spring bearing 17 ensures to deform.
3 Tenon type rotor core fixed forms
It is vertical installation during motor operation, it is contemplated that the characteristics of during motor operation, fixed using the rotor core 9 of Tenon type
Rotor core 9 is connected by mode with rotor set 10.The part of the fixed form includes cramp 11, special-shaped key 12, rotor and covers 10, turns
Several parts such as sub- end ring 18.Special-shaped key 12 is slotted above, groove width and the consistency of thickness of cramp 11, is also opened above with rotor set 10
Well width is consistent.Rotor set 10 controls circumferentially opposite motion with rotor core 9 using special-shaped key 12, and cramp 11 is embedded into special-shaped key
Keyway control on 12 is moving axially relative, and rotor end ring 18 controls cramp 11 that radial displacement, triple nested guarantees will not occur
Stabilized structure.
4 radiation water channels gone here and there and combined
Water channel is opened up in the outer ring of shell 14 and carries out water-cooling.Multi-layer heat dissipation groove is provided with shell 14, in shell
Gap is milled out in the odd number radiating ribs of 14 side, gap is milled out on the even number muscle of offside.Cooling water flows into the first of water channel
Layer, the second layer is flowed into through the right and left semi-circular water route in parallel, and so on.First layer water route is parallel-connection structure, then with
Two layers of water route series connection, form the radiation water channel gone here and there and combined.
For the present invention because the axial space of use environment is limited, motor described in the motor is the flat disc type of vertical installation
Structure, it is desirable to which the fineness ratio of motor is very big.Meanwhile the operating point of motor requires to realize high-power output at high speeds again,
The tray type structure of this and big fineness ratio forms direct contradiction again.In the present invention using umbrella shape rotor assembly supporting construction, reversely
Through encoder connected mode, Tenon type rotor core fixed form, string and the radiation water channel of combination design etc. are a series of
Innovative approach, realizes the repertoire of motor on the premise of the constraint of motor overall volume is met, it is fine must solve it is existing
Contradiction in technology.Motor has the advantages that power density is big, working speed is high, flat disc type, reliable.Realize motor
It is simple for structure, easy to process, reliable in the flat structure of Large-power High-Speed running status.
Brief description of the drawings
Fig. 1 is Large-power High-Speed disc type electric machine outline drawing.
Fig. 2 is Large-power High-Speed disc type electric machine umbrella-type support structure and reverse through encoder connected mode schematic diagram.
Fig. 3 is the structure chart of Large-power High-Speed disk type electric motor rotor component 4.
Fig. 4 is Large-power High-Speed disc type electric machine string and the radiation water channel schematic diagram combined.
In figure, forward flange component 1, rear flange component 2, stator module 3, rotor assembly 4, rear flange 5, main shaft 6, encoder
7th, encoder connecting rod 8, rotor core 9, rotor set 10, cramp 11, special-shaped key 12, radiating sleeve 13, shell 14, rear end bearing
15th, encoder connecting rod 16, spring bearing 17, rotor end ring 18.
Embodiment
The purpose of patent of the present invention is to provide a kind of Large-power High-Speed disc type electric machine of vertical installation, is one concretely
Kind of work is at high speed and the flat heavy-duty motor of electric machine structure.
The present invention includes forward flange component 1, rear flange component 2, stator module 3, rotor assembly 4 etc., and rotor assembly 4 passes through
Bearing is linked together with rear flange component 2, and forward flange component 1 and rear flange component 2 are connected by seam with stator module 3,
And make to be screwed at one, rotor assembly 4 is connected by bearing with stator module 1, and this four part forms complete motor.
Wherein rear flange component 4 is made up of rear flange 5, main shaft 6, encoder 7, coder connecting shaft 8 etc.;Rotor assembly includes rotor iron
Core 9, rotor set 10, cramp 11, special-shaped key 12 etc.;Stator module 1 is made up of radiating sleeve 13, shell 14 etc..
1 umbrella shape rotor assembly supporting construction
Main shaft 6 is fixed on rear flange 5, and rear end spring bearing 15 is pressed on main shaft 6, and bearing inner race is fixed with main shaft 6
At one, because main shaft 6 and rear flange 5 are fixed, bearing inner race is also fixed, and so there was only bearing outer ring rotation.Rear end support shaft
Hold 15 outer rings and support whole rotor assembly 4, the supporting construction of rotor assembly 4 is multi-step rotor set 10, with bearing outer ring with
And the ball of Bearing inner forms umbrella-type support structure.Bearing uses angular contact ball bearing, produces support force obliquely, as
Beveled structure supports rotating part, it is ensured that rotation and axial impact at a high speed.
2 reverse through encoder connected modes
The rotation portion of encoder 7 realizes the connection of encoder 7 and rotor assembly 4 by encoder connecting rod 8.Encoder
The one end of connecting rod 8 is linked into an integrated entity by the rotating part of jackscrew and encoder 7, the shaft as encoder 7.Encoder 7
Shaft is connected with the shaft of rotor set 10 by shaft coupling 16.The shaft of the connection of rotor set 10 is larger, and is provided with through hole.Shaft coupling
The larger side of the perforate of device 16 is directly connected on the shaft of rotor set 10, and the less side of the perforate of shaft coupling 16 is with passing through rotor
Cover 10 shafts with the encoder connecting rod 8 of shaft coupling 16 to be connected, realize that two shafts are reversely connected to wearing.With the diameter of shaft coupling 7
The smaller one section connected side of encoder connecting rod 8 is provided with yi word pattern groove, for encoder 7 and the tune of the relative position of rotor assembly 4
It is whole, encoder connecting rod 8 is connected with shaft coupling 16 using jackscrew after being adjusted in place.Pacify in the centre position of encoder connecting rod 16
Dress spring bearing 17 ensures to deform.
The fixed form of 3 Tenon type rotor core 9
The step that rotor covers 10 bottoms and has projection is used for being supported rotor core 9, and top is provided with groove and is used for cramp
11 placement.Special-shaped key 12 is slotted above, groove width and the consistency of thickness of cramp 11, also covers groove width one above 10 with rotor
Cause.Rotor core 9 is pressed into rotor set 10, and torque is transmitted by special-shaped key 12.Cramp 11 is embedded into rotor set 10 and special-shaped key 12
In groove above, rotor core moving about 9 is prevented, has rotor end ring 18 to be used as spacing control cramp in the extension of cramp 11
11 radial displacement, so and other retaining elements are not needed to be achieved that the fixation of whole rotor core 9.Use cramp 11
Combination with special-shaped key 12 controls the axial direction of rotor core 9, radial displacement, simple and convenient reliable.
4 radiation water channels gone here and there and combined
Multi-layer heat dissipation groove is provided with the outer ring of radiating sleeve 14, the outer ring of radiating sleeve 14 is formed with the inner ring of casing 15 radiates
Water channel.Gap is milled out in the odd number radiating ribs of the side of radiating sleeve 14, gap is milled out on the even number muscle of offside.Work as cooling water
Flowed from after the entrance of odd-level side water inlet along the both sides of water annulus, form parallel-connection structure, pass through the gap of offside
The second layer is flowed into, the water route in parallel with the second layer is cascaded.Equally it is the water channel parallel connection of two semicircles in the second layer, then flows
Enter to next odd-level, move in circles, finally flowed out from discharge outlet.
Claims (6)
1. a kind of Large-power High-Speed disc type electric machine, it is characterised in that including forward flange component (1), rear flange component (2), stator
Component (3), rotor assembly (4);Rotor assembly (4) is linked together by bearing and rear flange component (2), forward flange component
(1) it is connected with rear flange component (2) by seam with stator module (3), and makes to be screwed at one, rotor assembly (4)
It is connected by bearing with stator module (1), forms complete motor;
Rotor assembly (4) includes rotor core (9), rotor set (10), cramp (11), special-shaped key (12), forms umbrella-type support knot
Structure;Rotor core (9) is connected with rotor set (10) using rotor core (9) fixed form of Tenon type;
Rear flange component (2) includes rear flange (5), main shaft (6), encoder (7), encoder connecting rod (8), using reversely to wearing
Mode carry out rotor assembly (4) and be connected with encoder (7), the shaft of encoder (7) passes through connection with the shaft of rotor set (10)
Axle device (16) connects, and forms reversely through encoder connected mode;
Stator module (1) includes radiating sleeve (13), shell (14), and shell (14) is enclosed on radiating sleeve (13) outside using the method for hot charging
Face, turn into an entirety, form the radiation water channel gone here and there and combined.
2. according to claim 1 Large-power High-Speed disc type electric machine, it is characterised in that rear flange component (2) include rear flange (5),
Main shaft (6), encoder (7), encoder connecting rod (8), main shaft (6) are screwed with rear flange (5) and are connected, and encoder connects
Extension bar (8) is fixed together using jackscrew with encoder (7), and fixed by encoder (7) and main shaft (6), encoder connection
Bar (8) passes through the perforate of main shaft (6) above;Form reversely through encoder connected mode.
3. according to claim 1 Large-power High-Speed disc type electric machine, it is characterised in that rotor assembly (4) include rotor core (9),
Rotor set (10), cramp (11), special-shaped key (12), form umbrella-type support structure;Rotor core (9) uses the rotor iron of Tenon type
Core;Sub- iron core (9) is sleeved on rotor set (10), axial location is limited by the step of rotor set (10) above, in rotor iron
Between core (9) and rotor set (10) tangential displacement is controlled using special-shaped key (12).
4. according to claim 1 Large-power High-Speed disc type electric machine, it is characterised in that stator module (1) includes radiating sleeve (13), outer
Shell 14, water channel is opened up in the outer ring of shell (14) and carries out water-cooling;Multi-layer heat dissipation groove is provided with shell (14), in shell
(14) gap is milled out in the odd number radiating ribs of side, gap is milled out on the even number muscle of offside;Cooling water flows into the of water channel
One layer, the second layer is flowed into through the right and left semi-circular water route in parallel, and so on;First layer water route is parallel-connection structure, then with
Second layer water route is connected, and forms the radiation water channel gone here and there and combined.
5. Large-power High-Speed disc type electric machine according to claim 1, it is characterised in that:Rotor set 10 connection shafts compared with
Greatly, and the shaft is provided with through hole so that encoder connecting rod (8) can extend there through;The larger side of shaft coupling (16) perforate
It is directly connected on the shaft of rotor set (10), shaft coupling (16) less side of perforate is with passing through rotor set (10) shaft and connection
The encoder connecting rod (8) of axle device (16) is connected, and realizes that two shafts are reversely connected to wearing;Also, with shaft coupling (7) diameter compared with
Small one section connected encoder connecting rod (8) side is provided with yi word pattern groove, for encoder (7) and rotor assembly (4) relative position
Adjustment, encoder connecting rod (8) is connected with shaft coupling (16) using jackscrew after being adjusted in place;In encoder connecting rod (16)
Centre position installation spring bearing (17) ensures to deform.
6. Large-power High-Speed disc type electric machine according to claim 1, it is characterised in that:Special-shaped key (12) is slotted above, opens
Well width and cramp (11) consistency of thickness, also groove width is consistent above with rotor set (10);Rotor set (10) and rotor core
(9) circumferentially opposite motion is controlled using special-shaped key (12), the keyway that cramp (11) is embedded on special-shaped key (12) controls axial phase
To motion, radial displacement will not occur for rotor end ring (18) control cramp (18), and triple nestings ensure that stabilized structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711330818.XA CN107863831A (en) | 2017-12-13 | 2017-12-13 | Large-power High-Speed disc type electric machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201711330818.XA CN107863831A (en) | 2017-12-13 | 2017-12-13 | Large-power High-Speed disc type electric machine |
Publications (1)
Publication Number | Publication Date |
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CN107863831A true CN107863831A (en) | 2018-03-30 |
Family
ID=61705984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201711330818.XA Pending CN107863831A (en) | 2017-12-13 | 2017-12-13 | Large-power High-Speed disc type electric machine |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2544461Y (en) * | 2002-06-11 | 2003-04-09 | 沈阳蓝光驱动技术有限公司 | Gearless permanent magnetic synchronous hauler |
CN104009565A (en) * | 2014-06-13 | 2014-08-27 | 重庆大学 | Supporting system used for rotor of high-speed and high-power interior permanent magnet synchronous motor and provided with reinforcing ribs |
US20150008779A1 (en) * | 2012-02-22 | 2015-01-08 | Shenzhen Hopewin Technology Co., Ltd. | Disc-type electric machine with amorphous iron alloy axial magnetic circuit as well as its manufacturing method and stator assembly |
CN104410237A (en) * | 2014-11-27 | 2015-03-11 | 沈阳工业大学 | Integral direct-drive disc-type wheel hub motor |
CN105245070A (en) * | 2015-10-27 | 2016-01-13 | 罗彪 | Large power disk generator |
CN208539678U (en) * | 2017-12-13 | 2019-02-22 | 冶金自动化研究设计院 | Large-power High-Speed disc type electric machine |
-
2017
- 2017-12-13 CN CN201711330818.XA patent/CN107863831A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2544461Y (en) * | 2002-06-11 | 2003-04-09 | 沈阳蓝光驱动技术有限公司 | Gearless permanent magnetic synchronous hauler |
US20150008779A1 (en) * | 2012-02-22 | 2015-01-08 | Shenzhen Hopewin Technology Co., Ltd. | Disc-type electric machine with amorphous iron alloy axial magnetic circuit as well as its manufacturing method and stator assembly |
CN104009565A (en) * | 2014-06-13 | 2014-08-27 | 重庆大学 | Supporting system used for rotor of high-speed and high-power interior permanent magnet synchronous motor and provided with reinforcing ribs |
CN104410237A (en) * | 2014-11-27 | 2015-03-11 | 沈阳工业大学 | Integral direct-drive disc-type wheel hub motor |
CN105245070A (en) * | 2015-10-27 | 2016-01-13 | 罗彪 | Large power disk generator |
CN208539678U (en) * | 2017-12-13 | 2019-02-22 | 冶金自动化研究设计院 | Large-power High-Speed disc type electric machine |
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