CN109391110A - A kind of disc type electric machine structure - Google Patents

A kind of disc type electric machine structure Download PDF

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Publication number
CN109391110A
CN109391110A CN201710671227.2A CN201710671227A CN109391110A CN 109391110 A CN109391110 A CN 109391110A CN 201710671227 A CN201710671227 A CN 201710671227A CN 109391110 A CN109391110 A CN 109391110A
Authority
CN
China
Prior art keywords
end cap
winding
shaft
rare
electric machine
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
Application number
CN201710671227.2A
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Chinese (zh)
Inventor
巩彦红
管绮珺
易旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sound Automation Technology (shanghai) Co Ltd
Original Assignee
Sound Automation Technology (shanghai) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sound Automation Technology (shanghai) Co Ltd filed Critical Sound Automation Technology (shanghai) Co Ltd
Priority to CN201710671227.2A priority Critical patent/CN109391110A/en
Publication of CN109391110A publication Critical patent/CN109391110A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K16/00Machines with more than one rotor or stator
    • H02K16/04Machines with one rotor and two stators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/27Rotor cores with permanent magnets
    • H02K1/2793Rotors axially facing stators
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/28Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K21/00Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/24Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K5/00Casings; Enclosures; Supports
    • H02K5/04Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The present invention provides a kind of disc type electric machine structure, comprising: rotor disk and shaft, rotor disk are Rare-Earth Magnetic steel loop, and Rare-Earth Magnetic steel loop fixing sleeve is located in the shaft;Left stator disk, including left magnetic yoke, left winding and left end cap, the left magnetic yoke is between left winding and left end cap;Right stator disc, including right magnetic yoke, right winding and right end cap, the right magnetic yoke is between right winding and right end cap;The left stator disk and right stator disc are set in the both ends of shaft, and bearing is equipped between the left end cap and shaft, and bearing is equipped between the right end cap and shaft, and the left winding and right winding are located at the left and right sides of Rare-Earth Magnetic steel loop.The present invention reduces rare earth magnetic steel dosage by the structure of bimorph transducer disk and single-turn sub-disk, and the Rare-Earth Magnetic steel loop in the present invention is integrally formed, integrally magnetizes, greatly facilitate production, effectively improve production efficiency.

Description

A kind of disc type electric machine structure
Technical field
The present invention relates to electric machine structure field more particularly to a kind of disc type electric machine structures.
Background technique
Disc type electric machine has obtained very fast development in recent years.This motor usually has iron-core-free characteristic, and magnetic field is axial, magnet steel Using rare earth permanent-magnetic material.Such motor uses double rotor single stator structure, and stator coil is located among birotor.This kind of motor Magnetic gap it is larger, need to improve torque using a large amount of rare earth permanent-magnetic material.In order to improve the benefit of rare earth permanent-magnetic material With rate, Halbach (Halbach) array is mostly used greatly to improve the service efficiency of magnetic material.But Halbach array is difficult in group It is whole after the completion of dress to magnetize, and to assemble then difficulty after magnetizing again larger for each small magnet steel, it is very inconvenient in actual processing production. Therefore, how to improve the production efficiency of disc type electric machine is those skilled in the art's technical issues that need to address.
Summary of the invention
The technical problem to be solved in the present invention is that provide a kind of disc type electric machine structure for effectively improving production efficiency, with gram Take the defect in the prior art.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme: a kind of disc type electric machine structure, comprising:
Rotor disk and shaft, rotor disk are Rare-Earth Magnetic steel loop, and Rare-Earth Magnetic steel loop fixing sleeve is located in the shaft;
Left stator disk, including left magnetic yoke, left winding and left end cap, the left magnetic yoke is between left winding and left end cap;
Right stator disc, including right magnetic yoke, right winding and right end cap, the right magnetic yoke is between right winding and right end cap;
The left stator disk and right stator disc are set in the both ends of shaft, and bearing is equipped between the left end cap and shaft, Bearing is equipped between the right end cap and shaft, the left winding and right winding are located at the left and right sides of Rare-Earth Magnetic steel loop.
Preferably, the rotor disk is fixed in the shaft by magnet steel inner sleeve.
Further, the inner periphery of the magnet steel inner sleeve is equipped with internal spline, the excircle of the shaft be equipped with it is described interior The external splines of spline fitted.
Further, the magnet steel inner sleeve bonds together with Rare-Earth Magnetic steel loop.
Further, the excircle of the magnet steel inner sleeve is equipped with multiple first recesses, the inner circle of the Rare-Earth Magnetic steel loop Multiple the second recesses corresponding with first recess, the first recess and the second recess is provided on week to position by bolt.
Preferably, the left magnetic yoke is pasted on left end cap, and the right magnetic yoke is pasted on right end cap.
Preferably, the left winding sticks in left magnetic yoke, and the right winding sticks in right magnetic yoke.
Preferably, the left end cap or right end cap are equipped with outlet hole.
Preferably, the left end cap is connected with right end cap by shell, and the left winding and right winding are installed in institute It states on shell, the rotor disk is located in shell.
As described above, a kind of disc type electric machine structure of the present invention, has the advantages that
1, the present invention reduces rare earth permanent-magnetic material (Rare-Earth Magnetic steel loop) by the structure of bimorph transducer disk and single-turn sub-disk Dosage.
2, the Rare-Earth Magnetic steel loop in the present invention is integrally formed, and is not required to by multiple small magnet steel assembly, and can integrally magnetize, greatly Ground facilitates production, effectively improves production efficiency.
3, the left winding in the present invention and right winding are capable of the end cap of directly two sides, greatly facilitate left winding and it is right around The heat dissipation of group, to improve current of electric density.
4, the Rare-Earth Magnetic steel loop in the present invention on rotor disk is not necessarily to carousel supports, creates a further reduction rotary inertia, has Conducive to the dynamic characteristic for improving motor.
5, the present invention uses the structure of bimorph transducer disk and single-turn sub-disk, eliminates two rotors in single stator disc birotor disk Magnet steel has the influence of mutual attractive force between disk, has advanced optimized the production technology of disc type electric machine.
Detailed description of the invention
Fig. 1 is the structure chart of rotor disk in the present invention.
Fig. 2 is cross-sectional view at H-H in Fig. 1.
Fig. 3 is the fractionation schematic diagram of rotor disk in the present invention.
Fig. 4 is overall structure diagram of the invention.
Fig. 5 is cross-sectional view at I-I in Fig. 4.
Fig. 6 is fractionation schematic diagram of the invention.
Fig. 7 is the first structure chart of left magnetic yoke and right magnetic yoke in the present invention.
Fig. 8 is the second structure chart of left magnetic yoke and right magnetic yoke in the present invention.
Fig. 9 is the third structure chart of left magnetic yoke and right magnetic yoke in the present invention.
Figure 10 is the star-like view of series connection of left stator disk and right stator disc in the present invention.
Figure 11 is the series connection triangular form view of left stator disk and right stator disc in the present invention.
Figure 12 is the star-like view of parallel connection of left stator disk and right stator disc in the present invention.
Figure 13 is the triangular form view in parallel of left stator disk and right stator disc in the present invention.
In figure:
1 rotor disk, 100 location hole
10 magnet steel inner sleeve, 13 bolt
11 second recess, 101 internal spline
102 first recess, 4 shaft
The left magnetic yoke of 41 external splines 21
22 left 23 left end caps of winding
The 31 right windings of right magnetic yoke 32
33 right end cap, 5 bearing
6 shell, 7 outlet hole
8 bolt, 200 silicon steel sheet
300 soft magnetic materials
Specific embodiment
Structure depicted in Figure of description, ratio, size etc., only to cooperate the revealed content of specification, with Understand for those skilled in the art and read, be not intended to limit the invention enforceable qualifications, therefore does not have technically Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size can be generated not influencing the present invention Under effect and the purpose that can reach, it should all fall in the range of disclosed technology contents can cover.Meanwhile this Cited such as "upper", "lower", "left", "right", " centre " term in specification are merely convenient to being illustrated for narration, rather than To limit the scope of the invention, relativeness is altered or modified, under the content of no substantial changes in technology, when also It is considered as the enforceable scope of the present invention.
Embodiment one: as shown in figs 1 to 6, the present invention discloses a kind of disc type electric machine structure, comprising:
Rotor disk 1 and shaft 4, in conjunction with Fig. 1-Fig. 3, the rotor disk 1 is Rare-Earth Magnetic steel loop, Rare-Earth Magnetic steel loop fixing sleeve It is located in the shaft 4.The Rare-Earth Magnetic steel loop 11 is integrated disk-shaped structure, its one piece magnetizes to form permanent magnetism when processing It is simple to manufacture process for magnet steel.
Left stator disk, in conjunction with Fig. 4-Fig. 6 comprising left magnetic yoke 21, left winding 22 and left end cap 23, the left magnetic yoke 21 Between left winding 22 and left end cap 23.Right stator disc comprising right magnetic yoke 31, right winding 32 and right end cap 33, the right magnetic Yoke 31 is between right winding 32 and right end cap 33.With reference to Fig. 5 and Fig. 6, the left stator disk and right stator disc are set in shaft 4 Both ends, wherein between the left end cap 23 and shaft 4 be equipped with bearing 5, between the right end cap 33 and shaft 4 be equipped with bearing 5, the left winding 22 and right winding 32 are located at the left and right sides of Rare-Earth Magnetic steel loop.When shaft 4 rotate when, shaft 4 with The rotation of Rare-Earth Magnetic steel loop, left and right stator disc are relatively fixed.
The principle of the present invention is: using bimorph transducer disk single rotor dish structure, rotor disk 1 is located at left stator disk and right stator disc Centre, whole iron-core-free, to effectively reduce magnetic gap.Specific: the Rare-Earth Magnetic steel loop in the present invention is rare earth permanent magnet material Material is the disk-shaped structure of a monolith, without array format, so as to improve production efficiency convenient for magnetizing.The rare earth permanent magnet Material refers to alloy that rare earth metal and magnesium-yttrium-transition metal (such as cobalt, iron etc.) are formed through permanent-magnet material made of certain technique. The magnetic field of Rare-Earth Magnetic steel loop is axial charging, and the left winding 22 and right winding 32 on left stator disk and right stator disc have identical knot Structure, spatially (axial direction) arranged superposed.There is left magnetic yoke 21 in the outside of left winding 22, and there is right magnetic yoke 31 in the outside of right winding 32, And then the utilization rate of rare earth permanent-magnetic material can be effectively improved.That is, the present invention can realize the maximum of rare earth material Change and utilize, while production efficiency can also be effectively improved.Rare-Earth Magnetic steel loop in the present invention is not necessarily to carousel supports, further reduces The rotary inertia of rotor is conducive to the dynamic characteristic for improving motor.Dynamic characteristic is improved i.e. so that motor speed-raising is fast, drops It is fast fast.
Embodiment two:
In conjunction with Fig. 1-Fig. 6, on the basis of example 1, specifically, when shaft 4 is by non-magnetic material (such as aluminium alloy) When production, it can directly be engaged with Rare-Earth Magnetic steel loop;But referring to figs. 2 and 3, when shaft 4 is by magnetic material When expecting (such as steel alloy) production, cannot directly it be engaged with Rare-Earth Magnetic steel loop, at this point, the rotor disk 1 passes through magnet steel Inner sleeve 10 is fixed in the shaft 4.The magnet steel inner sleeve can be made of non-magnetic material, such as PPS high-strength engineering plastic, height Intensity magnesium alloy etc..As shown in figure 3, in the present embodiment, the inner periphery of the magnet steel inner sleeve 10 is equipped with internal spline 101, institute The excircle for stating shaft 4 is equipped with the external splines 41 cooperated with the internal spline 101.The magnet steel inner sleeve 10 in the present embodiment with Rare-Earth Magnetic steel loop is bonded together by structure glue.
Further, as shown in Figures 2 and 3, it is recessed to be equipped with multiple first for 10 excircle of magnet steel inner sleeve in the present embodiment Mouthfuls 102, multiple second recesses 11 corresponding with first recess 102 are provided on the inner periphery of the Rare-Earth Magnetic steel loop, the One recess 102 and the second recess 11 are positioned by bolt 13.And then facilitate the inner periphery of Rare-Earth Magnetic steel loop and magnet steel inner sleeve 10 Excircle is fixed.In order to ensure that the verticality after magnet steel inner sleeve 10 and the assembling of shaft 4, the length of internal spline 101 and external splines 41 Degree is greater than the axial width of magnet steel inner sleeve 10.
The specific structure of left stator disk 2 and right stator disc 3 is in the present embodiment: the left magnetic yoke 21 is embedded in and passes through structure Glue is on the inner wall of left end cap 23, to enhance the intensity of left end cap 23;The right magnetic yoke 31 is embedded in and passes through structure gluing It is attached on the inner wall of right end cap 33, to enhance the intensity of right end cap 33.In order to effectively radiate, the left winding 22 sticks on left magnetic On yoke 21, the right winding 32 is sticked in right magnetic yoke 31, right because the area of left magnetic yoke 21 is less than left winding 22 with reference to Fig. 5 The area of magnetic yoke 31 is less than right winding 33, left winding 22 and right winding 32 some be to be bearing directly against 23 He of left end cap respectively On right end cap 33.And then the heat of left winding 22 is allowed directly to be distributed by left magnetic yoke 21 and left end cap 23, right winding 32 Heat directly distributed by right magnetic yoke 31 and right end cap 33, improve radiating efficiency, so as to effectively improve this motor Current density, can also promote rated power.In addition, heat-conducting silicone grease etc can be coated on left winding 22 and right winding 32 Heat Conduction Material, to further enhance the heat dissipation effect of left winding 22 and right winding 32.
Left magnetic yoke 21 and right magnetic yoke 31 in the present invention can be rolled by electrical steel sheet 200, be pressed, and in axial direction On the circular ring structure that is made of multiple concentric cylinders, with reference to Fig. 7.Left magnetic yoke 21 and right magnetic yoke 31 can also be by the soft of No yield point Magnetic material 300 is made, the entirety circular ring structure as made of SMC, with reference to Fig. 8.Left magnetic yoke 21 and right magnetic yoke 31 can also be with more The circular ring structure shape magnetic yoke that a soft magnetic materials 300 with sector structure is along the circumferential direction spliced, with reference to Fig. 9.
Such as Fig. 4 or with shown in 5, in the present embodiment, it is equipped with outlet hole 7 on right end cap 33, motor outlet wire can be drawn.Institute Stating outlet hole 7 can also be provided on left end cap 23.
In the present embodiment, with reference to Fig. 6, location hole 100 is offered respectively on the left winding 22 and right winding 32, is passed through Location hole 100 is connect with shell 6 by 8 accurate fit of bolt, and left winding 22 and right winding 32 be spatially when ensuring to assemble (axial direction) arranged superposed.
With reference to Fig. 5 and Fig. 6, the left end cap 23 is connected with right end cap 33 by shell 6, and shell 6 is ring structure, institute It states left winding 22 and right winding 32 to be mounted on the shell 6 by bolt 8, the left end cap 23 and right end cap 33 and shell 6 are connected by bolt 8.After assembling, the rotor disk 1 is located in shell 6, and left stator disk 2 and right stator disc 3 are by rotor disk 1 It is clipped in the middle.
Left winding 22 and right winding 32 in the present invention are respectively three-phase windings, respectively there are six contact, left winding 22 Three-phase windings contact is respectively A11, B11, C11 and A12, B12, C12, the three-phase windings contact of right winding 32 be respectively A21, B21, C21 and A22, B22, C22.The contact connection of two windings can be subjected to serial or parallel connection.
In actual use, Figure 10 be series connection star-like connection, i.e., by contact A12, B12, C12 respectively with contact A21, B21, C21, which is connected, is used as Interposer contact, and contact A11, B11, C11 are connected in turn, the lead-out wire of entire motor be A22, B22、C22。
Figure 11 is series connection triangular form connection, i.e., contact A12, B12, C12 is connected with contact A21, B21, C21 conduct respectively Contact B11, C11, A11 are connected with contact A22, B22, C22 by Interposer contact respectively, the lead-out wire of entire motor be A22, B22、C22。
Figure 12 is star-like connection in parallel, and contact A11, B11, C11 are connect with contact A21, B21, C21 respectively, contact A11, B11, C11 are connected in turn, and contact A12, B12, C12 are connect with contact A22, B22, C22 respectively, the extraction of entire motor Line is A22, B22, C22.
Figure 13 is triangular form connection in parallel, and contact A11, B11, C11 are connect with contact A21, B21, C21 respectively, contact A12, B12, C12 are connect with contact A22, B22, C22 respectively, and contact A21 is connect with contact B22, and contact B21 and contact C22 connect It connects, contact C21 is connect with contact A22, and the lead-out wire of entire motor is A22, B22, C22.
In conclusion a kind of disc type electric machine structure of the present invention, can be improved production efficiency, rare earth resources are saved.So this Invention overcomes some practical problems in the prior art effectively to have very high utility value and use meaning.
The principle of the present invention and its effect is only illustrated in above embodiment, and is not intended to limit the present invention.This hair It is bright to be improved under the premise of without prejudice to overall thought there are many more aspect, it all can be for those skilled in the art Without prejudice under spirit and scope of the invention, can carry out modifications and changes to above-described embodiment.Therefore, technical field such as Middle all equivalent modifications for being completed without departing from the spirit and technical ideas disclosed in the present invention of tool usually intellectual or Change, should be covered by the claims of the present invention.

Claims (9)

1. a kind of disc type electric machine structure characterized by comprising
Rotor disk (1) and shaft (4), rotor disk (1) are Rare-Earth Magnetic steel loop, and Rare-Earth Magnetic steel loop fixing sleeve is located at the shaft (4) on;
Left stator disk, including left magnetic yoke (21), left winding (22) and left end cap (23), the left magnetic yoke (21) are located at left winding (22) between left end cap (23);
Right stator disc, including right magnetic yoke (31), right winding (32) and right end cap (33), the right magnetic yoke (31) are located at right winding (32) between right end cap (33);
The left stator disk and right stator disc are set in the both ends of shaft (4), are equipped between the left end cap (23) and shaft (4) Bearing (5) is equipped with bearing (5) between the right end cap (33) and shaft (4), and the left winding (22) and right winding (32) are respectively Positioned at the left and right sides of Rare-Earth Magnetic steel loop.
2. a kind of disc type electric machine structure according to claim 1, it is characterised in that: the rotor disk (1) passes through in magnet steel Set (10) is fixed on the shaft (4).
3. a kind of disc type electric machine structure according to claim 2, it is characterised in that: the inner periphery of the magnet steel inner sleeve (10) Equipped with internal spline (101), the excircle of the shaft (4) is equipped with the external splines (41) cooperated with the internal spline (101).
4. a kind of disc type electric machine structure according to claim 2, it is characterised in that: the magnet steel inner sleeve (10) and Rare-Earth Magnetic Steel loop (11) bonds together.
5. a kind of disc type electric machine structure according to claim 2, it is characterised in that: the excircle of the magnet steel inner sleeve (10) Multiple first recesses (102) are equipped with, are provided on the inner periphery of the Rare-Earth Magnetic steel loop multiple with the first recess (102) phase Corresponding second recess (11), the first recess (102) and the second recess (11) are positioned by bolt.
6. a kind of disc type electric machine structure according to claim 1, it is characterised in that: the left magnetic yoke (21) is pasted onto left end It covers on (23), the right magnetic yoke (31) is pasted on right end cap (33).
7. a kind of disc type electric machine structure according to claim 1, it is characterised in that: the left winding (22) sticks on left magnetic On yoke (21), the right winding (32) is sticked on right magnetic yoke (31).
8. a kind of disc type electric machine structure according to claim 1, it is characterised in that: the left end cap (23) or right end cap (33) outlet hole (7) are equipped with.
9. a kind of disc type electric machine structure according to claim 1, it is characterised in that: the left end cap (23) and right end cap (33) it is connected by shell (6), the left winding (22) and right winding (32) are installed on the shell (6), and described turn Sub-disk (1) is located in shell (6).
CN201710671227.2A 2017-08-08 2017-08-08 A kind of disc type electric machine structure Pending CN109391110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710671227.2A CN109391110A (en) 2017-08-08 2017-08-08 A kind of disc type electric machine structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710671227.2A CN109391110A (en) 2017-08-08 2017-08-08 A kind of disc type electric machine structure

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Publication Number Publication Date
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110417225A (en) * 2019-08-20 2019-11-05 黄向阳 A kind of Double-rotor disc wheel hub permasyn morot
CN110417220A (en) * 2019-08-20 2019-11-05 黄向阳 A kind of bimorph transducer single rotor disc type permanent magnet motor
CN110829706A (en) * 2019-10-28 2020-02-21 北京精密机电控制设备研究所 Superspeed composite rotor connecting structure
CN113346702A (en) * 2021-06-23 2021-09-03 浙江盘毂动力科技有限公司 Method for weakening target harmonic in axial flux motor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1753284A (en) * 2005-09-20 2006-03-29 沈阳工业大学 Bistator single rotor disk type brushless double feed ulternating current electric motor
CN201928127U (en) * 2010-12-03 2011-08-10 天津荣亨集团股份有限公司 Flywheel energy-storage device for double-stator alternating-current motor
CN202997874U (en) * 2012-12-24 2013-06-12 合肥瑞箭新能源汽车零部件技术有限公司 Double-stator disc type motor
CN207184291U (en) * 2017-08-08 2018-04-03 擎声自动化科技(上海)有限公司 A kind of disc type electric machine structure

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1753284A (en) * 2005-09-20 2006-03-29 沈阳工业大学 Bistator single rotor disk type brushless double feed ulternating current electric motor
CN201928127U (en) * 2010-12-03 2011-08-10 天津荣亨集团股份有限公司 Flywheel energy-storage device for double-stator alternating-current motor
CN202997874U (en) * 2012-12-24 2013-06-12 合肥瑞箭新能源汽车零部件技术有限公司 Double-stator disc type motor
CN207184291U (en) * 2017-08-08 2018-04-03 擎声自动化科技(上海)有限公司 A kind of disc type electric machine structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110417225A (en) * 2019-08-20 2019-11-05 黄向阳 A kind of Double-rotor disc wheel hub permasyn morot
CN110417220A (en) * 2019-08-20 2019-11-05 黄向阳 A kind of bimorph transducer single rotor disc type permanent magnet motor
CN110829706A (en) * 2019-10-28 2020-02-21 北京精密机电控制设备研究所 Superspeed composite rotor connecting structure
CN113346702A (en) * 2021-06-23 2021-09-03 浙江盘毂动力科技有限公司 Method for weakening target harmonic in axial flux motor

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