CN107612165A - Tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor - Google Patents
Tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor Download PDFInfo
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- CN107612165A CN107612165A CN201710917757.0A CN201710917757A CN107612165A CN 107612165 A CN107612165 A CN 107612165A CN 201710917757 A CN201710917757 A CN 201710917757A CN 107612165 A CN107612165 A CN 107612165A
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Abstract
The present invention relates to technical field of motors, a kind of specifically tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor, including casing and the stator core and rotor that are arranged in casing, the casing both ends connect an end cap respectively, rotating shaft by bearing rotating support on end cap, it is characterized in that：The stator core has two groups, every group of stator core includes the stator yoke positioned at first end and the stator teeth positioned at the second end, the end face of the stator yoke of two groups of stator cores is bonded to each other, there is locating ring in the peripheral surface of stator yoke, two groups of stator cores are arranged in casing using locating ring；The end face of the stator teeth of every group of stator core is respectively formed stator conical face, and every group of stator core is equipped with a rotor.The efficiency of motor production assembling can be effectively improved using the motor, while the service efficiency of motor can also be improved.
Description
Technical field
The present invention relates to technical field of motors, the specifically a kind of synchronous electricity of tapered air gap axial direction double loop magnetic field permanent magnet
Machine.
Background technology
Permagnetic synchronous motor has efficiency high, contributes high, speed is adjustable, and dynamic property is good, high reliability.But
It is that existing magneto, magnet steel is often arranged in thorax in stator core, because being limited by space, it is necessary to it is high from " magnetic energy product ",
The rare earth magnetic steel of small volume.This magnet steel is because very high containing rare earth element Samarium or neodymium (SmCo magnet steel or Nd-Fe-B magnet steel) price
It is expensive, and resource-constrained.(certainly, external-rotor motor, magnet steel can also be arranged in stator core periphery, but equally by
External diameter limits).Space limitation is high with cost, significantly limit development and the scope of application of permagnetic synchronous motor.Patent
Number solve the shortcoming of above-mentioned conventional permanent magnet motor well for 201420685869.x utility model patent, and further
Efficiency is improved, reduces cost.But with going deep into patented technology production practices, it is found by the applicant that：1st, stator core
Split is independently present in casing, although there is fixed work order below, is needed pre-determined bit in advance, is wasted time and energy；2nd, iron core by
Punching folds into, still " laminates " and the on-mechanical operation such as " fastening shaping ", more when accounting for, and influences to produce in batches.
The content of the invention
The present invention is in view of the above-mentioned problems, provide a kind of tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor, using this
Motor can effectively improve the efficiency of motor production assembling, while can also improve the service efficiency of motor.
According to technical scheme：A kind of tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor, including casing
And stator core and rotor in casing are arranged at, the casing both ends connect an end cap respectively, and rotating shaft is rotated by bearing
It is supported on end cap, it is characterized in that：The stator core has two groups, and every group of stator core includes the stator yoke positioned at first end
Portion and the stator teeth positioned at the second end, the end face of the stator yoke of two groups of stator cores is bonded to each other, in the week of stator yoke
There is locating ring to surface, two groups of stator cores are arranged in casing using locating ring；The end of the stator teeth of every group of stator core
Face is respectively formed stator conical face, and every group of stator core is equipped with a rotor, and the rotor has to be kissed with stator conical face
The rotor taper face of conjunction, and form tapered air gap between stator conical face and rotor taper face；The rotor includes arranged for interval
Magnetic conductor and magnet steel, the polarity of two neighboring magnet steel is different；Two rotors are fixedly installed in rotating shaft, on two rotors
The different magnet steel of equal interlaced arrangement polarity, and the polarity of magnet steel axially opposing on two rotors is different；Each stator
It is equipped with stator winding on each stator teeth of iron core, passes through stator yoke phase between the stator winding on two groups of stator cores
Interval.
The stator core is coiled iron core.
The taper surface of stator core is inner conical surface or male cone (strobilus masculinus), when being engaged the rotor taper face of rotor then for male cone (strobilus masculinus) or
Inner conical surface.
The stator teeth includes the straightway in adjacent stator yoke portion and the cone tooth section away from stator yoke；The stator around
The wire that group includes winding skeleton and is wound on winding skeleton；Be set with the straightway of each stator teeth stator around
Group, and the axis of stator winding is parallel with rotating shaft.
The cross section of the magnet steel includes the radial inner end close to rotor center, the radial outer end close to rotor edge, position
First side and second side between radial inner end and radial outer end, the wherein width of radial inner end are more than the width of radial outer end
Degree.
In sector, vertical section is in inclined wedge-shaped in the cross section of the magnetic conductor；There is fitting surface in the first end of magnetic conductor, leading
There is joint face at second end of magnet, and has step between the end face at joint face and the end of magnetic conductor second；Assembling during installation
Axis of the face with joint face each parallel to rotating shaft, several magnetic conductors are arranged at intervals to form a rotor taper body with magnet steel,
The first end of rotor taper body has locating cover, and the edge of locating cover sets the positioning sleeve perpendicular to locating cover, the positioning sleeve set
On fitting surface；There is locating ring at the second end of rotor taper body, the locating ring is enclosed on joint face.
There is axle sleeve between the rotating shaft and rotor, the axle sleeve is set along axle sleeve close to the one end at the end of rotor taper body second
The axle sleeve ring to extend radially outwardly, the external diameter b2 of the axle sleeve ring is more than the diameter b1 of joint face；Set on the axle sleeve
The locating slot of axial direction, the magnetic conductor are located in the locating slot close to the side of rotating shaft.
The locating ring is fixed in the stator yoke of two stator cores, during installation, by the stator with stator winding
Stator core is fixed in casing by iron core using the interference fit of locating ring and casing inner wall；The axial dimension of the locating ring
A2 is less than the axial dimension a1 of stator yoke.
Filled out between stator core and casing with thermal conductive adhesive.
The both ends of the stator yoke extend axially outward along stator core, formed several be parallel to each other it is described fixed
Sub- teeth portion, the stator teeth are evenly arranged along the circumferencial direction of stator core, are Stator Slots between adjacent stator teeth, institute
Stator conical face is stated to be formed by the outer face of several stator teeths.
The taper of the tapered air gap is 30 ° ~ 120 °.
The taper of the tapered air gap is 45 ° ~ 90 °.
Invention has technical effect that：Product of the present invention carries out technological improvement by the deficiency for existing product, in machine
Two groups of stator cores are set in shell, every group of stator core is rolled by punching-winding integrated machine to be formed, while by two groups of stators
Iron core is placed back-to-back, and two groups of stator cores form independent " sub-motor " with the cone rotor at both ends respectively, two sets of " son electricity
Machine " and used time, it can be used in parallel or in series according to the condition of power supply.Specifically, the application also has following features：
1st, magnet steel is moved in the conical surface at stator core both ends by the interior thorax of stator core, and the space in stator core is released
Put.
2nd, the tapered air gap between stator core and rotor instead of original planar air-gap, add magnetic conduction face
Product.
3rd, stator core rush tooth and winding is integral, instead of and original laminate block form.Solves original stator
The loose of iron core, indexing and the difficulty of positioning, reduce the noise of electric and magnetic oscillation.
4th, two stator yokes are brought into close contact back-to-back, and axial double loop magnetic field structure is formed together with rotor, and composition is same
Two sub-motors of axle connection.According to loading condition, can be operated with bi-motor can also single motor operating.Using closed-loop drive
During system, one end can be used as speed-testing engine to replace feedback original paper as motor, the other end.This patent covering has public
The one winding stator at " yoke portion end ".
5th, the design of locating ring, the space of stator winding with located stator core, can be both supported again.
6th, the independent stator winding being axially wound on stator teeth, makes wire perfectly be utilized, saves copper
Material, electric heating loss is reduced, improves electric efficiency.
7th, the adhesive with heat conduction function is advantageous to motor radiating.
8th, rotor includes magnet steel and magnetic conductor, with angled between magnet steel and magnetic conductor（That is the width of radial inner end is more than
The width of radial outer end）Combination, drastically increase rotor at a high speed rotate when bond strength.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the invention.
Fig. 2 is the structural representation of second of embodiment of the invention.
Fig. 3 is rotor and the scheme of installation of rotating shaft.
Fig. 4 is Fig. 3 A-A views.
Fig. 5 is the structure chart of magnet steel.
Fig. 6 is the structure chart of magnetic conductor.
Fig. 7 is two groups of stator core schematic diagrames.
Fig. 8 is that the schematic diagram after locating ring is installed outside the winding of two groups of stator cores.
Fig. 9 is the structure chart of stator winding skeleton.
Figure 10 is the scheme of installation of stator core, winding and locating ring.
Embodiment
The embodiment of the present invention is further described below in conjunction with the accompanying drawings.
In Fig. 1 ~ 10, including stator winding 1, stator core 2, stator conical face 21, Stator Slots 22, stator yoke 23,
The binding face 25 of 24, two stator yokes of stator teeth, magnet steel 3, radial inner end 31, radial outer end 32, first side 33, second
Side 34, rotor 4, bearing 5, rotating shaft 6, end cap 7, casing 8, tapered air gap 9, locating ring 10, adhesive 11, small end ring 12, key
13；Check magnetic conductor 14, hole 141, fitting surface 142, joint face 143, locating cover 15, positioning sleeve 151, axle sleeve 16, axle sleeve ring
161st, locating slot 162, holding screw 17, stator winding skeleton 18 etc..
As shown in Fig. 1 ~ 10, a kind of tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor, including casing 8 and be arranged at
Stator core 2 and rotor 4 in casing 8, the both ends of casing 8 connect an end cap 7 respectively, and rotating shaft 6 rotates branch by bearing 5
Hold on end cap 7, it is characterized in that：The stator core 2 has two groups, and every group of stator core 2 includes the stator positioned at first end
Yoke portion 23 and the stator teeth 24 positioned at the second end, the end face of the stator yoke 23 of two groups of stator cores 2 are bonded to each other, and form patch
Conjunction face 25, axial double back line structure is formed together with rotor 4, form two sub-motors coaxially coupled.In stator yoke 23
Peripheral surface has locating ring 10, and two groups of stator cores 2 are arranged in casing 8 using locating ring 10；The stator of every group of stator core 2
The end face of teeth portion 24 is respectively formed stator conical face 21, and every group of stator core 2 is equipped with a rotor 4, and the rotor 4 has
The rotor taper face 41 being coincide with stator conical face 21, and form tapered air gap between stator conical face 21 and rotor taper face 41
9, it is ensured that rotor 4 can rotate relative to stator core 2；The rotor 4 includes spaced apart magnetic conductor 14 and magnet steel 3, phase
The polarity of adjacent two magnet steel 3 is different；Two rotors 4 are fixedly installed in rotating shaft 6, and rotor 4 is by rotating shaft 6 by key 13 with turn
It is dynamic, the different magnet steel 3 of equal interlaced arrangement polarity on two rotors 4, and the pole of magnet steel 3 axially opposing on two rotors 4
Property it is different；It is equipped with stator winding 1 on each stator teeth 24 of each stator core 2, determines on two groups of stator cores 2
Between sub- winding 1 by stator yoke 23 separately, two " sub-motors " are formed, when in use, can be only with a set of, can also
Two sets are used in combination, and can preferably be met the requirement of different clients, can be effectively improved service efficiency.
As shown in Figure 7,8, the stator core 2 is coiled iron core.The stator core 2 in the fabrication process, using punching
Sanction-winding integrated machine, which rolls, to be formed；Stator yoke and locating ring are installed on after fixing in the middle part of casing, by by two stator cores
2 place back-to-back and set two sets of independent stator winding 1, are engaged respectively with the rotor 4 of taper, form two independently of each other
" sub-motor ", coaxial operating.
The taper surface 21 of stator core 2 is inner conical surface or male cone (strobilus masculinus), and the rotor taper face 41 of rotor 4 is then outer when being engaged
The conical surface or inner conical surface.When stator conical face 21 is inner conical surface, rotor 4 is arranged inside the end of stator core 2；When stator core 2
When the stator conical face 21 that outer end is formed is male cone (strobilus masculinus), rotor 4 is arranged at outside the stator conical face 21 of stator core 2, now
The stator conical face 21 of stator core 2 is coated on interior by rotor 4.
The stator teeth 24 includes the straightway in adjacent stator yoke portion 23 and the cone tooth section away from stator yoke 23；It is described
Stator winding 1 includes winding skeleton 18 and the wire being wound on winding skeleton 18；On the straightway of each stator teeth 24
Stator winding 1 is set with, and the axis of stator winding 1 is parallel with rotating shaft 6.
As shown in figure 5, the cross section of the magnet steel 3 includes the radial inner end 31 close to the center of rotor 4, close to the side of rotor 4
The radial outer end 32 of edge, first side 33 and second side 34 between radial inner end 31 and radial outer end 32, wherein radially
The width of the inner 31 is more than the width of radial outer end 32.When specifically used, the fit form of magnet steel 3 and magnetic conductor 14 has two
Kind, a kind of mode is that the cross section of magnet steel 3 is right-angled trapezium, and now first side 33 and a line in second side 34 are right angle
Side, another a line are hypotenuse.Magnet steel 3 be embedded in after, the straight flange of the straight flange and magnetic conductor 14 of magnet steel 3 fits, the hypotenuse of magnet steel 3 and
The hypotenuse of magnetic conductor 14 is fitted, and when rotor 4 rotates at a high speed, magnet steel 3 will not be thrown out of.
Second of fit form of magnet steel 3 and magnetic conductor 14 is that the cross section of magnet steel 3 is isosceles trapezoid, i.e. first side
33 is identical with the length of second side 34, and the width of radial inner end 31 is more than the width of radial outer end 32, and magnet steel 3 is after setting-in, rotor
When rotating at a high speed, magnet steel 3 will not be thrown out of.
As shown in fig. 6, the cross section of the magnetic conductor 14, in sector, vertical section is in inclined wedge-shaped；The first of magnetic conductor 14
There is fitting surface 142 at end, there is joint face 143 at the second end of magnetic conductor 14, and in joint face 143 and the end of magnetic conductor 14 second
There is step between end face；The fitting surface 142 and joint face 143 are each parallel to the axis of rotating shaft 6, several magnetic conductors 14 during installation
It is arranged at intervals with magnet steel 3 and forms a rotor taper body, has locating cover 15, the side of locating cover 15 in the first end of rotor taper body
Edge sets the positioning sleeve 151 perpendicular to locating cover 15, and the positioning sleeve 151 is enclosed on fitting surface 142；The of rotor taper body
There is small end ring 12 at two ends, and the small end ring 12 is enclosed on joint face 143.
As shown in figure 3, there is axle sleeve 16 between the rotating shaft 6 and rotor 4, the axle sleeve 16 is close to the end of rotor taper body second
One end the axle sleeve ring 161 to extend radially outwardly along axle sleeve 6 is set, the external diameter b2 of the axle sleeve ring 161 is more than joint face 143
Diameter b1；Axial locating slot 162 is set on the axle sleeve 16, and the magnetic conductor 14 is located at institute close to the side of rotating shaft 6
State in locating slot 162.It is fixedly connected between locating cover 15 and axle sleeve 16 by holding screw 17.
As shown in figure 8, the locating ring 10 is fixed in the stator yoke 23 of two stator cores 2, during installation, will carry
Stator core 2 is fixed on casing 8 by the stator core 2 of stator winding 1 using the interference fit of locating ring 10 and the inwall of casing 8
It is interior；The axial dimension a2 of the locating ring 10 is less than the axial dimension a1 of stator yoke 23.Locating ring 10 both can be with located stator
Iron core 2, the space of stator winding 1 is supported again.
As shown in figure 1, filled out between stator core 2 and casing 8 with thermal conductive adhesive 11.So as to further fixed stator iron
Core 2 and winding 2, this adhesive 11 have good heat conductivility, are advantageous to the radiating of motor internal.
As shown in Figure 7,8, both ends the extending axially outward along stator core 1 of the stator yoke 23, forms several
The stator teeth 24 being parallel to each other, circumferencial direction of the stator teeth 24 along stator core 1 are evenly arranged, and adjacent determines
It is Stator Slots 22 between sub- teeth portion 24, the stator conical face 21 is formed by the outer face of several stator teeths 24.
As shown in Figure 1, 2, the taper of the tapered air gap 9 is 30 ° ~ 120 °.The taper of preferable tapered air gap 9 for 45 ° ~
90°.The ingenious uniqueness of design concept of the present invention, when in use, flexibly two " sub-motors " can be set according to actual conditions needs
Connection state, effectively improve the operating efficiency of product.
Claims (12)
1. a kind of tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor, including casing (8) and being arranged in casing (8) is determined
Sub- iron core (2) and rotor (4), casing (8) both ends connect an end cap (7) respectively, and rotating shaft (6) is rotated by bearing (5)
It is supported on end cap (7), it is characterized in that：The stator core (2) has two groups, every group of stator core（2）Include being located at first
The stator yoke at end（23）With the stator teeth positioned at the second end（24）, the stator yoke of two groups of stator cores (2)（23）End
Face is bonded to each other, in stator yoke（23）Peripheral surface have locating ring（10）, two groups of stator cores (2) utilize locating ring（10）
It is arranged in casing (8)；The stator teeth of every group of stator core (2)（24）End face be respectively formed stator conical face (21), every group
Stator core (2) is equipped with a rotor (4), the rotor（4）Bored with the rotor being coincide with stator conical face (21)
Shape face（41）, and in stator conical face (21) and rotor taper face（41）Between form tapered air gap（9）；The rotor（4）Including
Spaced apart magnetic conductor（14）And magnet steel（3）, two neighboring magnet steel（3）Polarity it is different；Two rotors（4）It is fixedly mounted
In rotating shaft（6）On, in two rotors（4）The different magnet steel (3) of upper equal interlaced arrangement polarity, and two rotors（4）Upper axial direction
Relative magnet steel（3）Polarity it is different；Each stator teeth of each stator core (2)（24）On be equipped with stator winding
(1), stator yoke is passed through between the stator winding (1) on two groups of stator cores (2)（23）Separately.
2. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：The stator
Iron core (2) is coiled iron core.
3. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：Stator core
(2) taper surface (21) is inner conical surface or male cone (strobilus masculinus), rotor when being engaged（4）Rotor taper face（41）It is then male cone (strobilus masculinus) or interior
The conical surface.
4. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：The stator
Teeth portion（24）Including adjacent stator yoke portion（23）Straightway and away from stator yoke（23）Cone tooth section；The stator winding
（1）Including winding skeleton（18）And it is wound in winding skeleton（18）On wire；In each stator teeth（24）Straightway on
It is set with stator winding（1）, and the axis of stator winding (1) is parallel with rotating shaft (6).
5. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：The magnet steel
（3）Cross section include close to rotor（4）The radial inner end at center（31）, close to rotor（4）The radial outer end at edge（32）, position
In radial inner end（31）With radial outer end（32）Between first side（33）And second side（34）, wherein radial inner end（31）'s
Width is more than radial outer end（32）Width.
6. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：The magnetic conduction
Body（14）Cross section in sector, vertical section is in inclined wedge-shaped；In magnetic conductor（14）First end have fitting surface（142）, in magnetic conduction
Body（14）The second end have joint face（143）, and in joint face（143）With magnetic conductor（14）There is platform between the end face at the second end
Rank；Fitting surface during installation（142）With joint face（143）Each parallel to rotating shaft（6）Axis, several magnetic conductors（14）With
Magnet steel（3）It is arranged at intervals and forms a rotor taper body, has locating cover in the first end of rotor taper body（15）, locating cover（15）
Edge set perpendicular to locating cover（15）Positioning sleeve（151）, the positioning sleeve（151）It is enclosed on fitting surface（142）On；Turning
There is small end ring at second end of sub- bullet（12）, the small end ring（12）It is enclosed on joint face（143）On.
7. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 6, it is characterized in that：At described turn
Axle（6）With rotor（4）Between have axle sleeve（16）, the axle sleeve（16）Set close to the one end at the second end of rotor taper body along axle sleeve
（16）The axle sleeve ring to extend radially outwardly（161）, the axle sleeve ring（161）External diameter b2 be more than joint face（143）Diameter
b1；In the axle sleeve（16）The upper locating slot that axial direction is set（162）, the magnetic conductor（14）Close to axle sleeve（16）Side be located at
The locating slot（162）It is interior.
8. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：The positioning
Ring（10）It is fixed on the stator yoke of two stator cores (2)（23）On, during installation, the stator iron of stator winding (1) will be carried
Core (2) utilizes locating ring（10）Stator core (2) is fixed on casing with the interference fit of casing (8) inwall（8）It is interior；It is described fixed
Position ring（10）Axial dimension a2 be less than stator yoke（23）Axial dimension a1.
9. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：In stator iron
Core (2) and casing（8）Between fill out with thermal conductive adhesive（11）.
10. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：It is described fixed
Sub- yoke portion（23）Both ends along stator core（1）Extend axially outward, form several stator teeths being parallel to each other
（24）, the stator teeth（24）Along stator core（1）Circumferencial direction be evenly arranged, adjacent stator teeth（24）Between be fixed
Pilot trench portion（22）, the stator conical face（21）By several stator teeths（24）Outer face formed.
11. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 1, it is characterized in that：The cone
Type air gap（9）Taper be 30 ° ~ 120 °.
12. according to the tapered air gap axial direction double loop magnetic field permanent magnet synchronous motor described in claim 9, it is characterized in that：The cone
Type air gap（9）Taper be 45 ° ~ 90 °.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917757.0A CN107612165B (en) | 2017-09-30 | 2017-09-30 | Conical air gap axial double-loop magnetic field permanent magnet synchronous motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917757.0A CN107612165B (en) | 2017-09-30 | 2017-09-30 | Conical air gap axial double-loop magnetic field permanent magnet synchronous motor |
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| CN107612165B CN107612165B (en) | 2023-03-14 |
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| CN201710917757.0A Active CN107612165B (en) | 2017-09-30 | 2017-09-30 | Conical air gap axial double-loop magnetic field permanent magnet synchronous motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599513A (en) * | 2018-06-21 | 2018-09-28 | 许昌市大力电机制造有限公司 | A kind of permanent magnetic brushless with long service life |
| CN112910125A (en) * | 2019-11-19 | 2021-06-04 | 通用汽车环球科技运作有限责任公司 | Axial flux motor assembly with variable thickness rotor and rotor with built-in magnets |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2596929A1 (en) * | 1986-04-08 | 1987-10-09 | Ducellier & Cie | Dynamo-electric machine, in particular motor vehicle alternator |
| DE19954196A1 (en) * | 1998-12-28 | 2000-06-29 | Feldmann Johann | Electromagnetic energy converter preferably synchronous machine, has annular core winding with conical narrowing from inner to outer core periphery, and rotor plate surfaces carrying permanent magnets inclined accordingly |
| JP2003269445A (en) * | 2002-03-18 | 2003-09-25 | Nippon Densan Corp | Motor and disc device |
| CN200962542Y (en) * | 2006-09-30 | 2007-10-17 | 陈坤 | A micro tray permanent magnetic generator |
| CN102510197A (en) * | 2011-11-14 | 2012-06-20 | 江苏大学 | Tapered bearingless asynchronous motor |
| CN103248182A (en) * | 2012-02-07 | 2013-08-14 | 株式会社电装 | Axial gap-type rotating motor and vehicle wheel |
| CN104795955A (en) * | 2015-05-07 | 2015-07-22 | 周焕民 | Conical air-gap axial dual-loop magnetic-field permanent-magnet synchronous motor |
| CN205081582U (en) * | 2015-10-23 | 2016-03-09 | 周焕民 | Two return circuit PMSM |
| CN106329776A (en) * | 2016-10-13 | 2017-01-11 | 华中科技大学 | Permanent-magnet motor of built-in rotor structure |
| CN107070146A (en) * | 2017-05-03 | 2017-08-18 | 周焕民 | Permagnetic synchronous motor |
-
2017
- 2017-09-30 CN CN201710917757.0A patent/CN107612165B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2596929A1 (en) * | 1986-04-08 | 1987-10-09 | Ducellier & Cie | Dynamo-electric machine, in particular motor vehicle alternator |
| DE19954196A1 (en) * | 1998-12-28 | 2000-06-29 | Feldmann Johann | Electromagnetic energy converter preferably synchronous machine, has annular core winding with conical narrowing from inner to outer core periphery, and rotor plate surfaces carrying permanent magnets inclined accordingly |
| JP2003269445A (en) * | 2002-03-18 | 2003-09-25 | Nippon Densan Corp | Motor and disc device |
| CN200962542Y (en) * | 2006-09-30 | 2007-10-17 | 陈坤 | A micro tray permanent magnetic generator |
| CN102510197A (en) * | 2011-11-14 | 2012-06-20 | 江苏大学 | Tapered bearingless asynchronous motor |
| CN103248182A (en) * | 2012-02-07 | 2013-08-14 | 株式会社电装 | Axial gap-type rotating motor and vehicle wheel |
| CN104795955A (en) * | 2015-05-07 | 2015-07-22 | 周焕民 | Conical air-gap axial dual-loop magnetic-field permanent-magnet synchronous motor |
| CN205081582U (en) * | 2015-10-23 | 2016-03-09 | 周焕民 | Two return circuit PMSM |
| CN106329776A (en) * | 2016-10-13 | 2017-01-11 | 华中科技大学 | Permanent-magnet motor of built-in rotor structure |
| CN107070146A (en) * | 2017-05-03 | 2017-08-18 | 周焕民 | Permagnetic synchronous motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599513A (en) * | 2018-06-21 | 2018-09-28 | 许昌市大力电机制造有限公司 | A kind of permanent magnetic brushless with long service life |
| CN112910125A (en) * | 2019-11-19 | 2021-06-04 | 通用汽车环球科技运作有限责任公司 | Axial flux motor assembly with variable thickness rotor and rotor with built-in magnets |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107612165B (en) | 2023-03-14 |
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