CN207782511U - The firm DC brushless motor of stator maintenance - Google Patents
The firm DC brushless motor of stator maintenance Download PDFInfo
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- CN207782511U CN207782511U CN201721778438.8U CN201721778438U CN207782511U CN 207782511 U CN207782511 U CN 207782511U CN 201721778438 U CN201721778438 U CN 201721778438U CN 207782511 U CN207782511 U CN 207782511U
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- 238000012423 maintenance Methods 0.000 title claims abstract description 14
- 239000011148 porous material Substances 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- CEOCDNVZRAIOQZ-UHFFFAOYSA-N pentachlorobenzene Chemical compound ClC1=CC(Cl)=C(Cl)C(Cl)=C1Cl CEOCDNVZRAIOQZ-UHFFFAOYSA-N 0.000 description 1
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Abstract
A kind of firm DC brushless motor of stator maintenance, including holder, stator, the rotor of energy relative stator rotation, it can be powered and generate the coil and control coil alive circuit control panel in magnetic field, coil is wound on stator, coil, circuit control panel and electric power generating composition circuit, stator is fixed in holder, rotor passes through coil, stator can be rotatably arranged on holder, holder includes upper bracket and lower bracket, upper bracket is mutually fixed with lower bracket by bolt, stator holding is between upper bracket and lower bracket, the limiting groove of the bolt body of rod can be caught in by being provided with bolt corresponding position on stator side wall.It the advantage is that：Stator is interposed between upper bracket and lower bracket, sound construction, fixing-stable, it is not easy to loosen, the limiting groove of the bolt body of rod can be caught in by being provided on stator side wall, and limiting groove can position stator, further increase the fixed firmness of stator, it avoids stator from loosening, shake, the firm DC brushless motor of stator maintenance can be applied in the environment of high-frequency vibration.
Description
Technical field
The utility model is related to a kind of motor manufacture technology fields, and especially a kind of compact-sized stator maintenance is firm
DC brushless motor.
Background technology
It is existing that a kind of that application No. is CN201610952649.2 is entitled《A kind of DC three-phase brushless motors of domestic fan》
Chinese invention patent application disclose a kind of DC three-phases of domestic fan there is the DC brushless motor of rotor position limiting structure, packet
Coiling group, magnet frame, bearing and pcb board have been included, has further included having magnetite and pedestal, the magnet frame is provided with shaft core, the coiling group
It is sheathed on shaft core, the magnet frame is sheathed on the outer surface of coiling group, and the magnetite is between magnet frame and coiling group；The coiling
Group is connect with pcb board, and the base sleeve is set to shaft core and is arranged in the endoporus of coiling group, and one end and the magnet frame of the pedestal connect
It touches, the other end of the pedestal protrudes from pcb board, and the bearing holder (housing, cover) is set to shaft core and is installed in pedestal.The invention can incite somebody to action
The AC voltages of 220V are converted into the D/C voltage of 5V, and ensure that the invention can reach the operation of AC motors under the driving of 5V voltages
Rotating speed and air pressure air flow have not only saved electric energy, but also can meet the effect of heat dissipation.However, the device pcb board is close to coiling group, around
Line group magnetic field, which can generate pcb board magnetic interference, influences the normal work of PCB, and pedestal, pedestal and flexibly positioned possibility
Shaft core is worn, and then influences the service life of motor, therefore the structure of the device also needs to be further improved.
Invention content
Technical problem to be solved in the utility model be for the above-mentioned prior art present situation and provide it is a kind of compact-sized,
It is sturdy and durable, the firm DC brushless motor of stator maintenance with long service life.
Technical solution is used by the utility model solves above-mentioned technical problem：The firm brush DC of this stator maintenance
Motor, including holder, stator, can relative stator rotation rotor, can be powered generation magnetic field coil and control coil energization
Circuit control panel, the coil are wound on stator, the coil, circuit control panel and electric power generating composition circuit, and the stator is solid
It is scheduled in holder, the rotor passes through coil, stator that can be rotatably arranged on holder, it is characterised in that：The holder includes
Upper bracket and lower bracket, the upper bracket are mutually fixed with lower bracket by bolt, and the stator holding is in upper bracket and lower bracket
Between, the limiting groove that can be caught in the bolt body of rod is provided on stator side wall with bolt corresponding position.
As an improvement, the periphery of the upper bracket is preferably arranged at intervals with upper convex portion, the top setting of the lower bracket
There is connection bulge loop, is correspondingly arranged on lower protrusion on the inner wall of the connection bulge loop, the upper surface of the stator is contacted in upper convex portion
Bottom surface, the lower surface of the stator contacts in the top surface of lower protrusion, and the bolt for connecting upper bracket and lower bracket will be convex
Portion is plugged in together with lower protrusion.
It is further improved, cavity is preferably respectively arranged on the bottom surface of the upper bracket and the top surface of lower bracket under
It is respectively arranged with upper bearing (metal) and lower bearing in cavity, the upper cavity and lower cavity, output shaft is plugged in the rotor, it is described
One end of output shaft is plugged in upper bearing (metal), and the other end of the output shaft stretches out lower bracket across lower bearing and lower cavity.
It is further improved, the middle part of the output shaft is preferably provided with stopper protrusion, and the end face of the rotor contacts
In stopper protrusion.
As an improvement, the middle part of the stator is preferably provided with connection through-hole, it is spaced on the inner wall of the connection through-hole
Ground extends inwardly support arm, and the end of the support arm forms the location hole that can pass through rotor, and the stator setting is limiting
In frame, the position-limited rack is fixed in holder, and the coil is wrapped on the corresponding position-limited rack of support arm, is set on the position-limited rack
It is equipped with the coil baffle for preventing coil from being contacted with rotor.
It is further improved, the top of the position-limited rack is preferably provided with conductive insert, is inserted with conduction on circuit control panel
Piece corresponding position is provided with jack, and the conductive insert stretch into it is solid with circuit control panel welding in the jack of circuit control panel
It is scheduled on together.
It being further improved, the top of the position-limited rack is preferably provided with insert rack, and slot is provided at the top of the insert rack,
The conductive insert is plugged in slot in which can shirk, and the overhang is connected across insert rack with conductive insert.
It being further improved, the position-limited rack includes upper frame and lower frame, and the insert rack is arranged on the top surface of upper frame,
The wrapping post that conducting wire prevents coil from loosening can be wound by being provided on the bottom surface of the lower frame, stator setting upper frame with
In the position-limited rack that lower frame is combined to form.
It is connected with fan blade as an improvement, holder is stretched out in the lower end of the output shaft, the fan blade includes upper plate,
Lower plate and the blade being arranged at intervals between upper plate and lower plate are provided with disk body through-hole, institute in the middle part of the lower plate
It states upper plate with the lower end of rotor to be connected, the gap formed between adjacent blades is connected with the disk body through-hole of lower plate.
It is further improved, the outside of fan blade side wall, which is preferably provided with, determines impeller, is spaced on the side for determining impeller
It is provided with the flow deflector for directing air to blade, the bottom of the holder is provided with connection boss, the inner wall card for determining impeller
It is buckled on connection boss, the bottom of the holder is provided with motor housing in which can shirk, and the bottom of the motor housing is provided with
The intercommunicating pore being connected to inside and outside motor housing, it is described determine impeller and fan blade is arranged in the motor housing inner cavity on intercommunicating pore top.
Compared with prior art, the utility model includes upper bracket and lower bracket using holder, the upper bracket and lower branch
Frame is mutually fixed by bolt, the stator holding between upper bracket and lower bracket, on stator side wall with bolt corresponding position
The advantages of limiting groove of the bolt body of rod can be caught in by being provided with, this structure is：Stator be interposed in upper bracket and lower bracket it
Between, sound construction, fixing-stable is not easy to loosen, and the limiting groove that can be caught in the bolt body of rod is provided on stator side wall, and limit is recessed
Slot can position stator, further increase the fixed firmness of stator, stator is avoided to loosen, shake, so as to consolidate stator
The firm DC brushless motor in position is applied in the environment of high-frequency vibration；Upper bracket has separated stator and circuit control panel, is nested with
Farther out with circuit control panel distance, influence when coil is powered to circuit control panel weakens coil on stator, it is ensured that circuit
Control panel works normally；Coil is nested on support arm, and distance is short between rotor, and magnetic strength transmission effect is good, and smaller energy consumption is real
The quick rotation of existing rotor, improves the service efficiency of the firm DC brushless motor of stator maintenance；Coil is nested on support arm,
It is not easy to loosen, the position of coil more can be further limited by coil baffle, power output is more stable, and using effect is more preferable；
And coil less occupies the rack space in addition to stator, keeps the firm DC brushless motor structure of stator maintenance compact,
Under the premise of not influencing rotor output power, the smaller firm DC brushless motor of stator maintenance of volume is produced；Also
The connection through-hole of stator can mitigate the weight of stator, and then mitigate the weight of the firm DC brushless motor of stator maintenance, drop
Low making, transportation cost；Circuit control panel is plugged by jack and conductive insert, and coil passes through conductive insert and circuit control
Plate, which is connected, directly connect with circuit control panel relative to the conductor wire end of coil with not easy to break, is conducted electricity very well, is replaced and facilitate,
The advantages of fixing-stable, convenient welding；Stopper protrusion is provided on output shaft, stopper protrusion can contact on rotor, output shaft
When being moved up by outer force effect, stopper protrusion energy drive rotor moves together with output shaft, avoids that position occurs between the two
It moves, ensures that rotor output is stablized, good application effect；The top of output shaft is equipped with bearing with lower part, and bearing can reduce output
Abrasion between axis and holder extends the service life of output shaft；Determining impeller can guide air-flow in one direction to fan blade stream
It is dynamic, help to form the flowing velocity that whirlpool accelerates air-flow around fan blade, improve the efficiency of motor, flow deflector can stop
Grain object enters fan blade, reduces the influence of impurity, fan blade is hardly damaged, and extends the service life of fan blade, and determining impeller can take off
It is arranged with unloading and is replaced and cleaned conveniently on connection boss；Blade is fixed between upper plate and lower plate, upper plate and lower plate
Energy reinforced blade, improves the intensity of fan blade, more sturdy and durable；Upper plate is connected with output shaft, upper plate and output shaft
Connection area bigger, connection it is more stable, it is ensured that fan blade smooth rotation, using effect are more preferable；Fan blade can reduce motor
The temperature of air in cover body slows down motor heating, and forms upper and lower airflow circulating in motor housing, improves the work of motor
Efficiency.
Description of the drawings
Fig. 1 is the stereogram of the utility model embodiment；
Fig. 2 is the vertical view of Fig. 1；
Fig. 3 is the sectional view along line A-A in Fig. 2；
Fig. 4 is the structural exploded view of Fig. 1；
Fig. 5 is the further structural exploded view of Fig. 4；
Fig. 6 is the structural exploded view of undecomposed part in Fig. 5；
Fig. 7 is the structural exploded view that Fig. 5 is in another angle；
Fig. 8 is the structural exploded view of undecomposed part in Fig. 6；
Fig. 9 is the structural exploded view that Fig. 6 is in another angle；
Figure 10 is the structural exploded view of undecomposed part in Fig. 8；
Figure 11 is the structural exploded view of undecomposed part in Figure 10；
Figure 12 is the structural exploded view of undecomposed part in Fig. 4；
Figure 13 is the structural exploded view that Fig. 4 is in another angle；
Figure 14 is the stereogram of rotor and output shaft cooperation in Figure 10；
Figure 15 is the structural exploded view of Figure 14；
Figure 16 is the front projection figure of fan blade in Figure 10；
Figure 17 is the sectional view along line B-B in Figure 16；
Figure 18 is the upward view that impeller is determined in Fig. 8.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing embodiment.
As shown in Fig. 1 to Figure 18, the firm DC brushless motor of stator maintenance of the present embodiment, including holder 2, stator 3,
The rotor 5 that energy relative stator 3 rotates can be powered and generate the 4 alive circuit control panel 1 of coil 4 and control coil in magnetic field, described
Coil 4 is wound on stator 3, and the coil 4, circuit control panel 1 and electric power generating composition circuit, the stator 3 are fixed on holder 2
Interior, the rotor 5 passes through coil 4, stator 3 that can be rotatably arranged on holder 2, and the holder 2 includes upper bracket and lower bracket,
The upper bracket is mutually fixed with lower bracket by bolt, and 3 holding of the stator is between upper bracket and lower bracket, on stator side wall
The limiting groove 38 of the bolt body of rod can be caught in by being provided with bolt corresponding position.The periphery of the upper bracket is arranged at intervals with
Protrusion 25 is provided with connection bulge loop at the top of the lower bracket, lower protrusion 26 is correspondingly arranged on the inner wall of the connection bulge loop,
The upper surface of the stator is contacted in the bottom surface of upper convex portion 25, and the lower surface of the stator contacts in the top surface of lower protrusion 26, uses
Upper convex portion 25 and lower protrusion 26 are plugged in together in the bolt of connection upper bracket and lower bracket.The bottom surface of the upper bracket is under
It is respectively arranged with cavity 21 and lower cavity 22 on the top surface of holder, is respectively arranged in the upper cavity 21 and lower cavity 22
Bearing 23 and lower bearing 24 are plugged with output shaft 51 in the rotor 5, and one end of the output shaft 51 is plugged on upper bearing (metal) 23
In, the other end of the output shaft 51 stretches out lower bracket across lower bearing 24 and lower cavity 22.The middle part of the output shaft 51
It is provided with stopper protrusion 52, the end face of the rotor 5 contacts in stopper protrusion 52.
The middle part of stator 3 is provided with connection through-hole, and compartment of terrain extends inwardly support arm on the inner wall of the connection through-hole
31, the end of the support arm 31 forms the location hole 32 that can pass through rotor 5, and the stator 3 is arranged in position-limited rack, the limit
Position frame is fixed in holder 2, and the coil 4 is wrapped on 31 corresponding position-limited rack of support arm, and resistance is provided on the position-limited rack
The coil baffle 33 that only coil 4 is contacted with rotor 5.The top of the position-limited rack is provided with conductive insert 6, on circuit control panel 1
6 corresponding position of conductive insert is provided with jack 11, the conductive insert 6 stretch into the jack 11 of circuit control panel 1 and with
Circuit control panel 1 is welded and fixed together.The top of the position-limited rack is provided with insert rack 34, and the top of the insert rack 34 is provided with
Slot, the conductive insert 6 are plugged in slot in which can shirk, and the end of the coil 4 passes through insert rack 34 and 6 phase of conductive insert
Connection.The position-limited rack includes upper frame 35 and lower frame 36, and the insert rack 34 is arranged on the top surface of upper frame 35, under described
The wrapping post 37 that conducting wire prevents coil 4 from loosening can be wound by being provided on the bottom surface of frame body 36, and the stator 3 is arranged in upper frame 35
In the position-limited rack being combined to form with lower frame 36.
The lower end of output shaft 51 stretches out holder 2 and is connected with fan blade 7, and the fan blade 7 includes upper plate 71, lower plate
72 and the blade 73 that is arranged at intervals between upper plate 71 and lower plate 72, the middle part of the lower plate 72 is provided with disk body through-hole
74, the upper plate 71 is connected with the lower end of rotor, and the gap formed between adjacent blades 73 and the disk body of lower plate 72 are logical
Hole 74 is connected.It is provided on the outside of fan blade side wall and determines impeller 8, be arranged at intervals with air on the side for determining impeller 8
Guide the flow deflector 81 of blade 73 into, the bottom of the holder 2 is provided with connection boss 28, and the inner wall for determining impeller 8 is buckled in
It connects on boss 28, the bottom of the holder 2 is provided with motor housing 9 in which can shirk, and the bottom of the motor housing 9 is provided with
The intercommunicating pore being connected to inside and outside motor housing, it is described determine impeller 8 and fan blade 5 is arranged in 9 inner cavity of motor housing on intercommunicating pore top
In.The top of the holder 2 is provided with lug boss 27, and connecting hole, the connection are provided on the plate body of the circuit control panel 1
Hole is connected by screw with corresponding lug boss 27.The bottom of conductive insert 6 is provided with plug division 61, and the plug division 61 is inserted
It sets in the slot at 34 top of grafting protrusion.The lug boss 27 is cylinder, and being provided centrally with for the cylinder can be with company
The cylindrical hole that hole is connected is connect, the cylinder is three, and three cylinders are located at three apex angles of equilateral triangle
On.
Operation principle：Circuit control panel control coil is powered, and magnetic field, drive rotor rotation, output shaft are generated at coil
Rotation makes the firm DC brushless motor normal work of this stator maintenance to drive fan blade to rotate.
Claims (10)
1. a kind of firm DC brushless motor of stator maintenance, including holder (2), stator (3), what energy relative stator (3) rotated
Rotor (5), can be powered and generate the coil (4) and control coil (4) alive circuit control panel (1) in magnetic field, and the coil (4) twines
It is around on stator (3), the coil (4), circuit control panel (1) and electric power generating composition circuit, the stator (3) are fixed on holder
(2) in, the rotor (5) passes through coil (4), stator (3) that can be rotatably arranged on holder (2), it is characterised in that：The branch
Frame (2) includes upper bracket and lower bracket, and the upper bracket is mutually fixed with lower bracket by bolt, and stator (3) holding is upper
Between holder and lower bracket, the limiting groove that can be caught in the bolt body of rod is provided on stator side wall with bolt corresponding position
(38)。
2. DC brushless motor according to claim 1, it is characterised in that：The periphery of the upper bracket is arranged at intervals with
Protrusion (25) is provided with connection bulge loop at the top of the lower bracket, lower protrusion is correspondingly arranged on the inner wall of the connection bulge loop
(26), the upper surface of the stator is contacted in the bottom surface of upper convex portion (25), and the lower surface of the stator is contacted in lower protrusion (26)
Top surface, upper convex portion (25) and lower protrusion (26) be plugged in together by the bolt for connecting upper bracket and lower bracket.
3. DC brushless motor according to claim 2, it is characterised in that：The bottom surface of the upper bracket and the top of lower bracket
It is respectively arranged with cavity (21) and lower cavity (22) on face, is respectively arranged in the upper cavity (21) and lower cavity (22)
Bearing (23) and lower bearing (24) are plugged with output shaft (51) in the rotor (5), and one end of the output shaft (51) is plugged on
In upper bearing (metal) (23), the other end of the output shaft (51) passes through lower bearing (24) and lower cavity (22) and stretches out lower bracket.
4. DC brushless motor according to claim 3, it is characterised in that：The middle part setting of the output shaft (51) is limited
Position protrusion (52), the end face of the rotor (5) contact in stopper protrusion (52).
5. according to any DC brushless motor in Claims 1-4, it is characterised in that：It is set in the middle part of the stator (3)
It is equipped with connection through-hole, compartment of terrain extends inwardly support arm (31) on the inner wall of the connection through-hole, the support arm (31)
End forms the location hole (32) that can pass through rotor (5), and the stator (3) is arranged in position-limited rack, and the position-limited rack is fixed on
In holder (2), the coil (4) is wrapped on the corresponding position-limited rack of support arm (31), and prevention line is provided on the position-limited rack
The coil baffle (33) that circle (4) is contacted with rotor (5).
6. DC brushless motor according to claim 5, it is characterised in that：The top of the position-limited rack is provided with conductive insert
Piece (6) is provided with jack (11) on circuit control panel (1) with conductive insert (6) corresponding position, and the conductive insert (6) is stretched
Enter in the jack (11) of circuit control panel (1) and is welded and fixed together with circuit control panel (1).
7. DC brushless motor according to claim 6, it is characterised in that：The top of the position-limited rack is provided with insert rack
(34), slot is provided at the top of the insert rack (34), the conductive insert (6) is plugged in slot in which can shirk, the line
The end of circle (4) is connected across insert rack (34) with conductive insert (6).
8. DC brushless motor according to claim 7, it is characterised in that：The position-limited rack includes upper frame (35) under
Frame body (36), the insert rack (34) are arranged on the top surface of upper frame (35), and energy is provided on the bottom surface of the lower frame (36)
Winding conducting wire prevents the wrapping post (37) that coil (4) loosens, stator (3) setting right in upper frame (35) and lower frame (36)
It closes in the position-limited rack formed.
9. DC brushless motor according to claim 3 or 4, it is characterised in that：The lower end of the output shaft (51) is stretched out
Holder (2) is connected with fan blade (7), and the fan blade (7) includes upper plate (71), lower plate (72) and is arranged at intervals on
Blade (73) between disk body (71) and lower plate (72) is provided with disk body through-hole (74), institute in the middle part of the lower plate (72)
It states upper plate (71) with the lower end of rotor to be connected, the gap formed between adjacent blades (73) and the disk body of lower plate (72) are logical
Hole (74) is connected.
10. DC brushless motor according to claim 8, it is characterised in that：It is provided on the outside of fan blade side wall and determines leaf
It takes turns (8), the flow deflector (81) for directing air to blade (73), the holder is arranged at intervals on the side for determining impeller (8)
(2) bottom is provided with connection boss (28), and the inner wall for determining impeller (8) is buckled on connection boss (28), the holder
(2) bottom is provided with motor housing (9) in which can shirk, and the bottom of the motor housing (9) is provided in connection motor housing
Outer intercommunicating pore, it is described to determine impeller (8) and fan blade (7) and be arranged in motor housing (9) inner cavity on intercommunicating pore top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721778438.8U CN207782511U (en) | 2017-12-19 | 2017-12-19 | The firm DC brushless motor of stator maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721778438.8U CN207782511U (en) | 2017-12-19 | 2017-12-19 | The firm DC brushless motor of stator maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207782511U true CN207782511U (en) | 2018-08-28 |
Family
ID=63226577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721778438.8U Active CN207782511U (en) | 2017-12-19 | 2017-12-19 | The firm DC brushless motor of stator maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207782511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022019421A1 (en) * | 2020-07-20 | 2022-01-27 | 엘지전자 주식회사 | Motor assembly and hair dryer having same |
| WO2022035015A1 (en) * | 2020-08-12 | 2022-02-17 | 엘지전자 주식회사 | Fan motor |
-
2017
- 2017-12-19 CN CN201721778438.8U patent/CN207782511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022019421A1 (en) * | 2020-07-20 | 2022-01-27 | 엘지전자 주식회사 | Motor assembly and hair dryer having same |
| WO2022035015A1 (en) * | 2020-08-12 | 2022-02-17 | 엘지전자 주식회사 | Fan motor |
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Address after: No. 9 Chenguang Road, Gaoting Town, Daishan County, Zhoushan City, Zhejiang Province, 316200 Patentee after: Zhoushan Chenguang Motor Co.,Ltd. Address before: 316200 langjizhu Industrial Economic Development Zone, Daishan County, Zhoushan City, Zhejiang Province Patentee before: ZHOUSHAN CHENGUANG ELECTRIC APPLIANCE Co.,Ltd. |