CN205753906U - A kind of permasyn morot - Google Patents
A kind of permasyn morot Download PDFInfo
- Publication number
- CN205753906U CN205753906U CN201620479173.0U CN201620479173U CN205753906U CN 205753906 U CN205753906 U CN 205753906U CN 201620479173 U CN201620479173 U CN 201620479173U CN 205753906 U CN205753906 U CN 205753906U
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- Prior art keywords
- permanent magnet
- iron core
- stator
- permanent
- magnet
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Abstract
This utility model provides a kind of permasyn morot, including ferrum core, stator and permanent magnet, described iron core and the fixing connection of permanent magnet, described stator is positioned at the center of iron core, described iron core includes iron core yoke, rotor core pole and permanent magnet trough, described rotor core pole is positioned at the peripheral surface of iron core yoke and is secured to connect, described permanent magnet trough is positioned at the outer surface of rotor core pole and is secured to connect, described permanent magnet trough is fixing with permanent magnet to be connected, described permanent magnet trough is asymmetric elliposoidal hollow permanent magnet trough, the shape of described permanent magnet is identical with permanent magnet trough, the size being smaller in size than permanent magnet trough of described permanent magnet.The stock utilization of permasyn morot of the present utility model is high, it is not easy to be corroded oxidation.
Description
Technical field
This utility model relates to motor construction technical field, particularly relates to a kind of permasyn morot.
Background technology
Motor refers to realize electric energy conversion or a kind of calutron of transmission according to the law of electromagnetic induction.Motor includes
Polytype.Wherein permasyn morot is widely used with its superior performance.Permasyn morot belongs to
In asynchronous starting permasyn morot, generally, its field system is made up of one or more permanent magnets, generally
It is the inside at the cage-type rotor being welded with cast aluminium or copper bar, studs with the magnetic of permanent magnet by required number of poles dress
Pole.Stator structure is similar with asynchronous motor.Its operation principle is after stator winding switches on power, motor
Dynamic turning, during accelerated service to synchronous rotational speed, by rotor permanent magnet magnetic field and stator magnet is started with asynchronous motor principle
The synchronization electromagnetic torque that field produces, rotor permanent magnet magnetic field the magnetic resistance that the electromagnetic torque produced produces with stator field
Torque synthesizes, and is pulled in by rotor, and motor enters synchronous operation.Synchronous permanent-magnet motor of the prior art
The stock utilization of machine is relatively low, and it tests the speed and signal output apparatus structure is complicated, poor reliability, and cost is high.
And the poor-performing of the corrosion-resistant oxidation of permasyn morot of the prior art.
Such as disclosed in Chinese patent 105553143A a kind of rotor core and there is its permagnetic synchronous motor.
Rotor core, including: iron core body, on the periphery wall of iron core body, the axial direction along iron core body offers
Groove, groove includes the first groove and the second groove being connected, and the first groove is along iron core body in the radial direction
The degree of depth more than the second groove along the iron core body degree of depth in the radial direction.First groove air gap is maximum, magnetic resistance
Greatly, air gap flux density is little, reduces with the pulsation of stator teeth groove opplied moment, and the degree of depth of the first groove and the second groove is not
With, excessive by the second groove so that fundamental wave magnetic field increases and closer to sine, reduces cogging torque, makes
Motor is exerted oneself increases, harmonic wave reduction.This permagnetic synchronous motor core material utilization rate relatively low.
The most such as disclosed in Chinese patent 105429410A a kind of permagnetic synchronous motor.This permagnetic synchronous motor bag
Include rotor, rotor is provided with mouse cage, mouse cage offers cage grooves, inside mouse cage, offer magnet steel groove, magnetic
Being provided with magnet steel in steel tank, the first end of magnet steel groove is provided with the first of arc every magnetic air gap, and first every magnetic air gap
And formed first every magnetic bridge between mouse cage, first every the circumferential angle shared by magnetic air gap be (0.9～1.2) ×
360/n1 degree, wherein α is 0.9 to 1.2 times of the circumference angle between adjacent two cage grooves, and n1 is
Rotor bus quantity.The structure of this permagnetic synchronous motor is exposed, and be easily corroded oxidation.
Utility model content
For overcoming the stock utilization of permagnetic synchronous motor present in prior art low, be easily corroded oxidation
Problem, this utility model provides a kind of permasyn morot.
A kind of permasyn morot, fixing even including iron core, stator and permanent magnet, described iron core and permanent magnet
Connecing, described stator is positioned at the center of iron core, and described iron core includes iron core yoke, rotor core pole and permanent magnet
Groove, described rotor core pole is positioned at the peripheral surface of iron core yoke and is secured to connect, and described permanent magnet trough is positioned at
The outer surface of rotor core pole also is secured to connect, and described permanent magnet trough is fixed with permanent magnet and is connected, described forever
Magnet slot is asymmetric elliposoidal hollow permanent magnet trough, and the shape of described permanent magnet is identical with permanent magnet trough, described
The size being smaller in size than permanent magnet trough of permanent magnet.
Further, described permanent magnet trough is asymmetric elliposoidal hollow permanent magnet trough, and described magnet slot is near turning
One end of sub-iron core pole is the semielliptical shape that short axle is shorter, and the port of described magnet slot is the semielliptical that short axle is bigger
Shape.
Further, the number of described permanent magnet is 36, and 36 described permanent magnets are fixed on corresponding permanent magnetism
In body groove, described 36 permanent magnets space between equal.
Further, described iron core is made up of single solid steel.
Further, described iron core is made up of stalloy superposition.
Further, described iron core is made up of ferromagnetic composite material.
Further, described stator connects thermel protection device, described thermel protection device, the coil position of stator
The outer ring of thermel protection device Yu the coupling part of stator is provided with plastic packaging resin shell, and described plastic packaging resin shell is respectively
Fix with thermel protection device and stator and be connected.
Further, described plastic packaging resin shell is epoxy phenolics plastic packaging resin shell.
Further, described iron core and stator connect inverter, 2 binding posts of described inverter respectively with
Iron core and stator are by electrical connection.
Further, described inverter is by the first switching tube, second switch pipe, the 3rd switching tube, the 4th switch
Pipe, the first diode, the second diode, the first capacitor, the second capacitor, the 3rd capacitor and the 4th electricity
Container forms；First capacitor, the second capacitor, the 3rd capacitor and the 4th capacitor and the 3rd switching tube and
4th paralleled power switches connects, and the first switching tube and the second diode be connected, and the other end and control device
Connect and be placed in loop；Described second switch pipe and the first diode are connected, and with the first switching tube and second
Diode forms parallel circuit.
Compared with prior art, the beneficial effects of the utility model are:
(1) this utility model by being set to asymmetric spheroid-like by permanent magnet trough, uses inner small and outside big
Structure so that the magnetic of the permanent magnet being fixed therein is concentrated by form in center set so that permanent magnetism
The performance utilization rate of body reaches optimal.
(2) this utility model improves permasyn morot by arranging epoxy phenolics plastic packaging resin shell
Sealing, and be adopted as epoxy phenolics make plastic packaging resin shell, it is corrosion-resistant, oxidative resistance is strong.
(3) direct current energy can be changed into AC energy by arranging inverter by this utility model so that forever
The suitability of magnetic-synchro motor strengthens, and common mode voltage-based during the inverter use in this utility model
This is constant, will not produce common mode leakage current, high safety, and stability is high.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the structural representation of inverter of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further elaborated.Should be appreciated that this
Specific embodiment described by place, only in order to explain this utility model, is not used to limit this utility model.
As depicted in figs. 1 and 2, this detailed description of the invention discloses a kind of permasyn morot, including iron core
1, stator 3 and permanent magnet 2, described iron core 1 and the fixing connection of permanent magnet 2, described stator 3 is positioned at iron core 1
Center.
Preferably, the permasyn morot in this specific embodiment also includes shell 6, around shell 6 inner chamber
Equipped with stator 3, stator 3 is by some sections of stator blocks 31 around forming, and stator block 31 is arcuate stator block,
Each stator block 31 is formed by some identical core stamping laminations, and the magnetic pole on each stator block 31 is wound with stator
Winding 32.Iron core 1 is positioned at the middle position of shell 6, iron core 1 and permanent magnet 2 and constitutes rotor.Stator 3
Described in the field drives produced after energising, PM rotor rotates, thus drives and coaxially set with described PM rotor
The wheel rotation put.Preferably, the coil windings of described stator 3 uses copper-in-aluminum enameled wire, new in this practicality
In another enforcement of type, it can also is that copper cladding aluminium-magnesium enamelled wire or aluminium enamel-covered wire are made.Use copper cover aluminum enamel-cover
Line can effectively promote the performance of coil windings.The advantage of copper-in-aluminum enameled wire includes: the direct current of copper-clad aluminum conductor
Resistivity is about 1.45 times of pure copper wire, and when resistance is identical, copper-clad aluminum conductor weight is about the 1/2 of pure copper wire；
Copper-clad aluminum conductor is one layer of fine copper due to the concentric cladding in its surface, therefore have as pure copper wire can soldering
Property, without doing special handling as aluminum steel, meanwhile, copper-clad aluminum conductor has thicker layers of copper, it is ensured that scraping
Product scolding tin performance is not interfered with during paint；Copper-clad aluminum conductor density is the 1/2.5 of the pure copper wire in same line footpath, to fall
The weight of low coil is largely effective；Use Divine Land copper-clad aluminum conductor to substitute copper cash, at least can save the one-tenth of more than 30%
This.But, copper-in-aluminum enameled wire is oxidized easily, for preventing it from occurring by thermal oxide in this specific embodiment,
The copper clad aluminum material wherein using modification makes.Concrete, use doping silane and the copper powder of metatitanic acid and aluminum
Powder carries out mixed sintering CCAW.Silane and metatitanic acid is used to be doped and can effectively prevent copper table
The oxidation in face, thus the service life of extension coil winding.
Preferably, the particular make-up of the copper powder of doping silane and metatitanic acid is used to include the silane that mass fraction is 1%,
Mass fraction is the metatitanic acid of 1%, and surplus is copper powder.Although silane and metatitanic acid can effectively prevent the oxidation of copper,
But the silane of excess and metatitanic acid can affect the characteristic of itself thus affect the performance of coil windings.
Preferably, iron core 1 can also connect rotary transformer, and is connected with controlling device by rotary transformer
Connect, during use, understood duty i.e. rotating speed and the operating current etc. of motor by rotary transformer.?
In another embodiment of the present utility model, control the inverter 5 that device can also include being connected with commutator.
2 binding posts of the inverter 5 in another example of the present utility model respectively with iron core 1 and stator 3
By electrical connection.Concrete, described inverter 5 is by the first switching tube 501, second switch pipe the 502, the 3rd
Switching tube the 503, the 4th switching tube the 504, first diode the 505, second diode the 506, first capacitor
507, the second capacitor the 508, the 3rd capacitor 509 and the 4th capacitor 510 form.Wherein, the first electricity
Container the 507, second capacitor the 508, the 3rd capacitor 509 and the 4th capacitor 510 and the 3rd switching tube 503
Being connected in parallel with the 4th switching tube 504, the first switching tube 501 is connected with the second diode 506, and separately
One end is connected is placed in loop with controlling device.Second switch pipe 502 is connected with the first diode 505, and
Parallel circuit is formed with the first switching tube 501 and the second diode 506.When motor output or the electricity of input
Pressure is in positive half period, and second switch pipe the 502, the 4th switching tube 504 is held off, the first switching tube 501
The most open-minded, the 3rd switching tube 503 carries out HF switch by sinusoidal rule.At the negative half-cycle of line voltage,
First switching tube the 501, the 3rd switching tube 503 is held off, and second switch pipe is the most open-minded, the 4th switching tube
HF switch is carried out by sinusoidal rule.
Additionally, in another embodiment of the present utility model, inverter 5 is also provided with current/voltage inspection
Surveying device, controller, signal resolution device, inverter 5 is connected with controller, current/voltage detection device respectively,
Current/voltage detection device is also connected with controller, controller is also connected with signal resolution device, signal resolution device and
Rotary transformer connects.Described inverter 5 is DC voltage to become sequence of voltage pulses and then be processed into
The device of the alternating voltage needed for motor.Described controller is the voltage that can control inverter output as required
The cycle of pulse width and pulse train is to reach the device of variable voltage variable frequency purpose.
Additionally, stator 3 by four sections of stator blocks 31 around forming.When permanent-magnet moment servo dynamo runs, three
The cross streams rectified device of electricity carries unidirectional current to inverter 5, through inverter 5 to current/voltage detector, permanent magnetism
Moment servomotor provides variable-frequency power sources, and on permanent-magnet moment servo dynamo, rotating shaft rotates, current/voltage detection device
The current and voltage signals of detection is fed back to controller, meanwhile, is contained in rotary transformer in rotating shaft and detects
The angular signal of the rotating shaft of permanent-magnet moment servo dynamo, to the angular signal of signal resolution device conveying rotating shaft, signal
This signal of resolver strengthens and amplifies and change the conveying of backward controller, and controller is according to turning that signal resolution device provides
The feedback of voltage and current signal of the motor input that Shaft angle position signalling and current/voltage detection device provide, by interior
The formula that portion finishes exports a cun purport to inverter 5 and makes signal, inverter 5 according to the instruction of controller to permanent magnetic
The stator winding 32 of torque motor inputs suitable sinusoidal ac, it is achieved to permanent-magnet moment servo dynamo corner position
Put the closed loop regulation with speed.
Additionally, described iron core 1 includes iron core yoke 11, rotor core pole 12 and permanent magnet trough 13, described rotor
Iron core pole 12 is positioned at the peripheral surface of iron core yoke 11 and is secured to connect, and described permanent magnet trough 13 is positioned at and turns
The outer surface of sub-iron core pole 12 also connects by the way of glue is bonding with it, described permanent magnet trough 13 and permanent magnetism
Body 2 connects by the way of glue is bonding.Preferably, in this specific embodiment, described permanent magnet trough 13
For asymmetric elliposoidal hollow permanent magnet trough, the shape of described permanent magnet 2 is identical with permanent magnet trough 13, described
The size being smaller in size than permanent magnet trough 13 of permanent magnet 2.Preferably, described permanent magnet trough 13 is asymmetric ellipse
Spherical hollow permanent magnet trough, described permanent magnet trough 13 is half that short axle is shorter near one end of rotor core pole 12
Elliposoidal, the port of described permanent magnet trough 13 is the semielliptical shape that short axle is bigger.I.e. permanent magnet 13 in interior little outside
Big hollow elliposoidal groove.In another example of the present utility model, permanent magnet trough 13 can also is that other shapes
Shape, the most inner small and outside big is spherical, cuboid or other geometries.Use inner small and outside big irregular
The permanent magnet trough 13 of elliposoidal and permanent magnet 2, enable to magnetic force degree by the ellipsoid structure of long arc shape and concentrate,
Thus effectively improve the utilization rate of magnet.The Distribution of Magnetic Field of the magnet of regular shape is uniform, the magnetic force degree of outer end
Equal with the inner, use the mode of annular spread yet with it, the gross density of inner permanent magnet is more than outer end
Permanent magnet gross density so that inner permanent magnet utilization rate is relatively low.And use the inner to be smaller in size than outer end chi
Very little irregular elliposoidal then can avoid this situation, inner ellipsoid radius to be less than the ellipsoid radius of outer end,
So that the magnetic density of the inner permanent magnet with outer end is suitable, thus cost-effective, improve the utilization of permanent magnet
Rate.
Preferably, the number of described permanent magnet 2 is 36, and described 36 permanent magnets are fixed on corresponding permanent magnetism
In body groove 13, described 36 permanent magnets space between equal.
Preferably, described iron core 1 is made up of single solid steel or stalloy superposition forms.Of the present utility model separately
In one embodiment, iron core 1 can also be made up of ferromagnetic composite material.
Additionally, described stator 3 connects thermel protection device 31, described thermel protection device 31, the line of stator 3
The outer ring of the coupling part of circle position and thermel protection device 31 and stator 3 is provided with plastic packaging resin shell 4, described
Plastic packaging resin shell 4 is fixed be connected with thermel protection device 31 and stator 3 respectively.Preferably, described plastic packaging resin
Shell 4 is epoxy phenolics plastic packaging resin shell.The epoxy group content of epoxy phenolics is high, and viscosity is relatively big, Gu
Changing afterproduct crosslink density high, its fibre reinforced plastics have good physical and mechanical properties.Thermostability is higher than E
Type epoxy resin, its corrosion resistance is higher.
Preferably, in this specific embodiment, stator 3 is fixedly mounted on iron core 1 and permanent magnetism by coil rack
Ferrum 2 composition rotor assembly housing 6 on, the coil winding wound of described stator 3 on described coil rack,
The coil windings of described stator 3 connects described thermel protection device 31, and described thermel protection device 31 connects lead-out wire
Inserted sheet, uses half plastic packaging sealing means by described thermel protection device 31, described stator 3 by coil rack
Coil windings and described thermel protection device 31 and the described lead-out wire complete plastic packaging of inserted sheet connecting portion are at plastic packaging resin
In shell 4.And at least some of surface exposure of the remainder of described coil rack, not by plastic packaging resin shell 4
Plastic packaging.It is further preferred that part on housing 6 also by together plastic packaging in resin shell 4, so can
Better ensure that liquid does not penetrates into inside the stator coil of half plastic packaging.In another embodiment of the present utility model
In, described stator coil winding and described lead-out wire inserted sheet connecting portion can also cover or coated insulation thing, make
It can more effectively avoid connection connect position oxidized and corrosion.Described insulant can be insulating cement, insullac
Etc..
Plastic packaging resin shell 4 of the present utility model, by such process molding, twines on described coil rack
After the coil windings of stator 3, determine required mould according to the position wanting plastic packaging, by mould is put into shell
Surround coil rack, Reperfu-sion resin in body 6, take mould away after resin cooling consolidation and i.e. form plastic packaging resin shell
4.By plastic packaging resin shell 4 by winding plastic packaging in being possible to prevent winding oxidized on ring framework and corrosion, again
Fine radiating effect can be obtained.Owing to using the resin molding methods such as conventional perfusion or injection to form half plastic packaging
Sealing means, plastic packaging the most all can leave poorly sealed gap with not plastic packaging sunlight junction.And half plastic packaging side
Method, generally also can leave this trickle gap in the junction of plastic packaging with not plastic packaging.If not using extra
Special process technique or step, cannot avoid this phenomenon the most substantially.Use the mode of totally-enclosed plastic packaging then
Do not have this phenomenon.Such as in this utility model, plastic packaging resin shell 4 is in forming process, in resin bonded
After take mould away, for overcoming the stiction force between mould and resin naturally can produce one in this junction
The gap that a little naked eyes cannot be discovered.Generally this can only see whether by being ducked in drink that producing bubble judges
Whether there is this gap.
It is further preferred that in order to make radiating effect become apparent from, the top layer of described shell 6 and plastic packaging resin shell
4 positions connected are provided with an exhaust passage 61.Exhaust passage 61 forming method is existing known technology,
Such as after half plastic package process completes, cut out continuously in this junction further by modes such as gas cuttings or not
The a plurality of described exhaust passage 61 of continuous print.Exhaust passage 61 is capable of dispelling the heat while aerofluxus without making
There is the phenomenon of refluence liquid.
Preferably, in another embodiment of the present utility model, the resin material of plastic packaging resin shell 4 also may be used
To be plastics or epoxy resin, perfusion or method of molding is used to form plastic packaging.
For guaranteeing that permasyn morot can start the most smoothly, implement at of the present utility model another
In example, can one end of permasyn morot connect start motor, by start driven by motor its start from
And solve it and start slow problem.Preferably, start and be provided with clutch between motor and permasyn morot,
Starting motor can drive permasyn morot to rotate by clutch, and when permasyn morot rotates not
Starting motor can be had influence on.It is further preferred that start motor with between clutch by flexible engage by the way of
Be connected with each other, having started rear clutch will not rotate along with permagnetic synchronous motor, now close start motor
By retractor device, starting motor is exited clutch.Then will be able to be started by retractor device when needing to use
The front end of motor is sent in clutch, and engages, thus realizes driving clutch to rotate.
Described above illustrate and describes preferred embodiment of the present utility model, as previously mentioned, it should be understood that this
Utility model is not limited to form disclosed herein, is not to be taken as the eliminating to other embodiments, and can
For other combinations various, amendment and environment, and can pass through in utility model contemplated scope described herein
Above-mentioned teaching or the technology of association area or knowledge are modified.And the change that those skilled in the art are carried out and change
Without departing from spirit and scope of the present utility model, the most all should be at the protection domain of this utility model claims
In.
Claims (10)
1. a permasyn morot, including iron core (1), stator (3) and permanent magnet (2), described iron core (1)
Connection fixing with permanent magnet (2), described stator (3) is positioned at the center of iron core (1), and its feature exists
In: described iron core (1) includes iron core yoke (11), rotor core pole (12) and permanent magnet trough (13), institute
State rotor core pole (12) be positioned at the peripheral surface of iron core yoke (11) and be secured to connect, described permanent magnet
Groove (13) is positioned at the outer surface of rotor core pole (12) and is secured to connect, described permanent magnet trough (13)
Fixing with permanent magnet (2) and be connected, described permanent magnet trough (13) is asymmetric elliposoidal hollow permanent magnet trough,
The shape of described permanent magnet (2) is identical with permanent magnet trough (13), being smaller in size than forever of described permanent magnet (2)
The size of magnet slot (13).
A kind of permasyn morot the most according to claim 1, it is characterised in that: described permanent magnet trough (13)
For asymmetric elliposoidal hollow permanent magnet trough, described magnet slot (13) is near one end of rotor core pole (12)
For the semielliptical shape that short axle is shorter, the port of described magnet slot (13) is the semielliptical shape that short axle is bigger.
A kind of permasyn morot the most according to claim 1, it is characterised in that: described permanent magnet (2)
Number be 36,36 described permanent magnets are fixed in corresponding permanent magnet trough (13), described in 36 forever
Magnet spaces between equal.
A kind of permanent-magnet synchronous electric motor the most according to claim 1, it is characterised in that: described iron core (1)
It is made up of single solid steel.
A kind of permanent-magnet synchronous electric motor the most according to claim 1, it is characterised in that: described iron core (1)
It is made up of stalloy superposition.
A kind of permanent-magnet synchronous electric motor the most according to claim 1, it is characterised in that: described iron core (1)
It is made up of ferromagnetic composite material.
A kind of permanent-magnet synchronous electric motor the most according to claim 1, it is characterised in that: described stator (3)
Connect and have thermel protection device (31), described thermel protection device (31), the coil position of stator (3) and Re Bao
Protection unit (31) is provided with plastic packaging resin shell (4), described plastic packaging with the outer ring of the coupling part of stator (3)
Resin shell (4) is fixing with thermel protection device (31) and stator (3) respectively to be connected.
A kind of permanent-magnet synchronous electric motor the most according to claim 7, it is characterised in that: described plastic packaging resin shell
(4) it is epoxy phenolics plastic packaging resin shell.
A kind of permanent-magnet synchronous electric motor the most according to claim 1, it is characterised in that: described iron core (1)
With stator (3) connect have inverter (5), 2 binding posts of described inverter (5) respectively with iron core (1)
With stator (3) by electrical connection.
A kind of permanent-magnet synchronous electric motor the most according to claim 9, it is characterised in that: described inverter (5)
By the first switching tube (501), second switch pipe (502), the 3rd switching tube (503), the 4th switching tube (504),
First diode (505), the second diode (506), the first capacitor (507), the second capacitor (508),
3rd capacitor (509) and the 4th capacitor (510) composition；First capacitor (507), the second capacitor
(508), the 3rd capacitor (509) and the 4th capacitor (510) and the 3rd switching tube (503) and the 4th
Switching tube (504) is connected in parallel, and the first switching tube (501) is connected with the second diode (506), and
And the other end is connected with control device and is placed in loop；Second switch pipe (502) and the first diode (505)
It is connected, and forms parallel circuit with the first switching tube (501) with the second diode (506).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620479173.0U CN205753906U (en) | 2016-05-24 | 2016-05-24 | A kind of permasyn morot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620479173.0U CN205753906U (en) | 2016-05-24 | 2016-05-24 | A kind of permasyn morot |
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| Publication Number | Publication Date |
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| CN205753906U true CN205753906U (en) | 2016-11-30 |
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| CN201620479173.0U Expired - Fee Related CN205753906U (en) | 2016-05-24 | 2016-05-24 | A kind of permasyn morot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017201991A1 (en) * | 2016-05-24 | 2017-11-30 | 海安县申菱电器制造有限公司 | Permanent magnet synchronous motor |
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2016
- 2016-05-24 CN CN201620479173.0U patent/CN205753906U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017201991A1 (en) * | 2016-05-24 | 2017-11-30 | 海安县申菱电器制造有限公司 | Permanent magnet synchronous motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161130 Termination date: 20190524 |