CN207835257U - A kind of noise reduction switch reluctance motor - Google Patents
A kind of noise reduction switch reluctance motor Download PDFInfo
- Publication number
- CN207835257U CN207835257U CN201721920398.6U CN201721920398U CN207835257U CN 207835257 U CN207835257 U CN 207835257U CN 201721920398 U CN201721920398 U CN 201721920398U CN 207835257 U CN207835257 U CN 207835257U
- Authority
- CN
- China
- Prior art keywords
- noise reduction
- rotor
- engine base
- reluctance motor
- switch reluctance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a kind of noise reduction switch reluctance motors, its key points of the technical solution are that including casing, the main shaft being rotatably connected on casing, the rotor being fixed on main shaft, the motor stator and position detector being fixed in casing, further include noise reduction components, noise reduction components include the noise reduction frame of two annulars for being fixed in casing internal, main shaft passes through noise reduction frame, motor stator and rotor are located between two noise reduction framves, noise reduction slot is provided on noise reduction frame, it is connected with acoustical cotton in the noise reduction slot, the surface of noise reduction frame is uniformly provided with multiple sound-absorption holes interconnected, achieve the effect that effective drop low noise motor makes a noise.
Description
Technical field
The utility model is related to a kind of motor, more particularly to a kind of noise reduction switch reluctance motor.
Background technology
Switched reluctance machines are a kind of novel speed regulating motors, and governing system has both direct current, exchanges the excellent of two class governing systems
Point is the latest generation stepless time adjustment system after frequency conversion speed-adjusting system, Speed Regulating System of Brushless DC Motor.Its structure is simple
Firm, speed-regulating range width, speed adjusting performance is excellent, and all has greater efficiency in entire speed adjustable range, and system reliability is high.
Whole system is mainly made of switched reluctance machines, power inverter, controller and four part of position detector.It opens
Reluctance motor system double-salient-pole variable reluctance motor is closed, the salient pole of stator and rotor is overrided to form by oOrdinary silicon steel sheet.Rotor was both
Without winding also without permanent magnet, it is wound with concentratred winding in stator poles, two windings diametrically link up, referred to as " phase ",
SR motor can be designed to a variety of different phase table structures, and there are many different collocation for the number of poles of stator and rotor.Now apply compared with
More is four phase structures and three-phase structure.Include power inverter and control circuit in controller, and rotor position detector is then
Be typically mounted at one end of motor, this motor generally with domestic Y-series induction conductivity with power with the same shape of seat No..
Existing switched reluctance machines, if application publication number is that CN105356630A discloses a kind of switched reluctance machines, including stator
Salient pole portion, rotor with salient pole portion and motor adjustment circuit.
Since this switched reluctance machines behave, vibrations are bigger, and noise is larger.
Utility model content
The purpose of this utility model is to provide a kind of noise reduction switch reluctance motor, can effectively reduce noise.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of noise reduction switch reluctance motor, including casing, the main shaft being rotatably connected on casing, the electricity that is fixed on main shaft
Machine rotor, the motor stator and position detector being fixed in casing, further include noise reduction components, and noise reduction components include two solid
Be connected on the noise reduction frame of the annular of casing internal, main shaft passes through noise reduction frame, motor stator and rotor be located at two noise reduction framves it
Between, noise reduction slot is provided on noise reduction frame, is connected with acoustical cotton in the noise reduction slot, the surface of noise reduction frame be uniformly provided with it is multiple mutually
The sound-absorption hole of connection.
By using above-mentioned technical proposal, noise reduction frame is set at the both ends of rotor and motor stator, by motor operation
When the partial noise that sends out of rotor and motor stator spread out of casing by noise reduction frame, noise is by the sound-absorption hole on noise reduction frame
An acoustic energy part is reflected, a part of penetrable material, some loses in contacting friction with noise reduction frame material, to
Realization sponges partial noise.Noise reduction slot is set and places acoustical cotton, on the one hand can further increase noise reduction using acoustical cotton
The sound-absorbing effect of frame；On the other hand so that the shape of acoustical cotton is fixed using noise reduction slot constraint acoustical cotton, acoustical cotton is avoided to interfere with
The normal work of internal structure of motor.
Preferably, being provided on noise reduction frame through close and far from rotor end face the heat dissipation channel of noise reduction frame.
By using above-mentioned technical proposal, heat dissipation channel is set, it can be to avoid being generated in switched reluctance machines operation process
Heat and absorb the heat generated on noise reduction frame during noise, be gathered between two noise reduction framves, heat can pass through
Heat dissipation channel scatters and disappears outward.Motor overheating is avoided to influence its performance.
Preferably, heat dissipation channel is in integrally the ring-type coaxial with main shaft.
By using above-mentioned technical proposal, sets heat dissipation channel to annular, heat dissipation can be made to be more uniformly distributed, surface switches
Reluctance motor internal difference in temperature is excessive.
Preferably, multiple tracks bending is uniformly arranged in the outboard sidewalls of the heat dissipation channel, noise reduction slot is arranged in the bending
Between.
By using above-mentioned technical proposal, it sets heat dissipation channel to the length that can increase heat dissipation channel of bending, from
The contact surface of the noise and heat dissipation channel that are spread out of in heat dissipation channel becomes larger, while can utilize bending part, increases noise and is dissipating
Reflection in the passage of heat can further increase noise reduction.
Preferably, be arranged on noise reduction frame every cover, it is described that acoustical cotton is enclosed in noise reduction slot every cover.
By using above-mentioned technical proposal, acoustical cotton is fixed in noise reduction slot using every cover, avoids acoustical cotton in motor
Shaken noise reduction slot when operation, reducing acoustical cotton disengaging configuration influences the possibility of switched reluctance machines normal operation.
Preferably, casing includes engine base, is fixed in the drive end bearing bracket at engine base both ends and rear end cap, is respectively and fixedly connected to drive end bearing bracket two
The fore bearing inner end cap of side and fore bearing outer end cap, and it is respectively and fixedly connected to the rear bearing inner end cap of rear end cap both sides and rear bearing
Outer end cap；The side wall of engine base is hollow-core construction, and noise reduction components further include the acoustical cotton for being placed on engine base side wall hollow position.
By using above-mentioned technical proposal, increase acoustical cotton in engine base, absorbs part and passed via the solid dielectric of casing
The noise gone out helps to further increase noise reduction.
Preferably, be provided with mounting hole on engine base, be connected with connecting tube in the mounting hole, connecting tube internal thread be connected with
The fixing bolt that motor stator abuts.
By using above-mentioned technical proposal, the position of electronics stator is fixed using fixing bolt, and connecting tube is set, can be kept away
Exempt to be in direct contact acoustical cotton when fixing bolt penetrates casing, to reduce the bonding strength of fixing bolt, while avoiding fixed spiral shell
Bolt, which touches acoustical cotton, to be caused acoustical cotton to be uniformly distributed to be destroyed.
Preferably, an end face of engine base is run through by its hollow-core construction, the envelope of closed communication slot is connected on the end face
Plate.
By using above-mentioned technical proposal, it is convenient for the filling of acoustical cotton, sealing plate is set, acoustical cotton can be sealed in engine base
It is interior, avoid acoustical cotton from removing engine base, while avoiding the connection of acoustical cotton influence engine base and switched reluctance machines other structures.
Preferably, the one end of noise reduction frame far from rotor is connected with connection edge, connection along be located at engine base and drive end bearing bracket or
Between person's engine base and rear end cap.
By using above-mentioned technical proposal, setting is connected along to one link position of noise reduction frame, will be connected along setting in machine
Between seat and drive end bearing bracket (rear end cap), realize that noise reduction frame is fixed using the structure of casing, connection type is simple, it is possible to reduce split
Close the change of reluctance motor other parts structure.
Preferably, the both sides on connection edge are respectively arranged with cushion pad.
By using above-mentioned technical proposal, when setting cushion pad can reduce switched reluctance machines operation, connection edge and machine
The noise that shell contact-impact is sent out, further increases noise reduction.
In conclusion the utility model has the advantages that：
Partial noise is sponged, noise is small；Good heat dissipation effect；Connection structure is simple, is easy to implement；Denoising structure is split
It is small to close the change of reluctance motor internal structure.
Description of the drawings
Fig. 1 is the structural schematic diagram of switched reluctance machines；
Fig. 2 is the structural schematic diagram inside switched reluctance machines；
Fig. 3 is the exploded perspective view of rotor；
Fig. 4 is the structural schematic diagram of motor stator；
Fig. 5 is the schematic diagram of rotary transformer junction；
Fig. 6 is the partial sectional view of noise reduction frame；
Fig. 7 is the exploded perspective view of noise reduction frame and wherein acoustical cotton；
Fig. 8 is the schematic diagram in noise reduction frame attracted by surfaces hole；
Fig. 9 is the enlarged drawing at A in Fig. 2；
Figure 10 is enlarged drawing at B in Fig. 1.
In figure, 1, casing；11, engine base；111, placing groove；112, mounting hole；113, connecting tube；114, fixing bolt；
115, sealing plate；116, connectivity slot；12, drive end bearing bracket；13, rear end cap；14, fore bearing inner end cap；15, fore bearing outer end cap；16, after
Bearing inner end cap；17, rear bearing outer end cap；2, main shaft；21, rotor keyway；22, connected set keyway；3, rotor；31, rotor
Piece；311, sheet body；312, rotor with salient pole；313, keypad；314, axis hole；32, end plate；4, motor stator；41, stator core；
411, stator salient poles；42, stator winding；43, partition board；44, positioning plate；5, rotary transformer；51, rotation becomes device stator；52, rotation becomes
Device rotor；6, fan housing；7, noise reduction components；71, noise reduction frame；711, noise reduction slot；712, sound-absorption hole；713, heat dissipation channel；72, it inhales
Sound cotton；73, edge is connected；74, cushion pad；75, spacer；76, supporting rod；8, heat-dissipating impeller.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of noise reduction switch reluctance motor, as depicted in figs. 1 and 2, including casing 1, the main shaft with the rotation connection of casing 1
2, the rotor 3 being fixed on main shaft 2, the motor stator 4, position detector and the noise reduction components 7 that are fixed in casing 1.
Casing 1 includes that the engine base 11 of both ends open, the drive end bearing bracket 12 of 11 one end of flanged joint engine base and flanged joint exist
The rear end cap 13 of 11 other end of engine base.Engine base 11 is whole cylindrical, and the side wall of engine base 11 is hollow-core construction.Outside engine base 11
Multi-disc cooling fin is connected on wall.
The center of drive end bearing bracket 12 and rear end cap 13 has bearing hole, and being equipped with supports main shaft 2 in the bearing hole rotates
Bearing.Fore bearing inner end cap 14 and the fore bearing outer end of locking 12 upper bearing (metal) axial position of drive end bearing bracket are connected on drive end bearing bracket 12
Lid 15.The fore bearing inner end cap 14 is located at drive end bearing bracket 12 close to the side of rear end cap 13, and the fore bearing outer end cap 15 is located at
Side of the drive end bearing bracket 12 far from rear end cap 13.
It is similar, the rear bearing inner end cap 16 of locking 13 upper bearing (metal) axial position of rear end cap is connected on rear end cap 13 with after
Bearing outer end cap 17.Bearing inner end cap 16 is located at rear end cap 13 close to the side of drive end bearing bracket 12, the rear bearing outer end after described
Lid 17 is located at side of the rear end cap 13 far from drive end bearing bracket 12.
Main shaft 2 and the bearing inner race in drive end bearing bracket 12 and rear end cap 13 are affixed.It is stretched from drive end bearing bracket 12 one end of main shaft 2
Go out, the output end as switched reluctance machines.Rotor keyway 21 there are two being opened on main shaft 2 for connecting rotor 3, two
Rotor keyway 21 is oppositely arranged, and rotor keyway 21 is between drive end bearing bracket 12 and rear end cap 13.
In conjunction with shown in Fig. 2 and Fig. 3, rotor 3 (only shows rotor including multiple rotor sheets 31 for stackeding compression in figure
Schematic diagram after 31 laminated of piece) and 3 both ends of rotor rotor end plates 32.Rotor sheet 31 is stamped to form thin for silicon steel sheet
Sheet.Rotor sheet 31 includes circular sheet body 311, is integrally fixed in 311 upper rotor part salient pole 312 of sheet body and is integrally fixed in piece
Keypad 313 on body 311.Sheet body 311 is round sheet, and the axis hole 314 coaxial with sheet body 311 is provided on sheet body 311.Rotor is convex
Pole 312 is provided with eight, and is evenly distributed on the excircle of sheet body 311.There are two the settings of keypad 313, and respectively with two
A rotor keyway 21 is adapted.Two keypads 313 are respectively and fixedly connected on the periphery of axis hole 314.Rotor end plates 32 are annular, and
It is set on main shaft 2, rotor sheet 31 is compressed from both ends.Main shaft 2 is equipped with the step structure for 3 axially position of rotor,
One of rotor end plates 32 are abutted with the end face of the step structure.The inner ring of rotor end plates 32 is adapted with main shaft 2.
As shown in figure 4, motor stator 4 includes stator core 41 and stator winding 42.Stator core 41 is mainly by multiple quilts
Stack stator piece (schematic diagram after stator piece laminated is only shown in the figure) composition of compression.Stator piece is what silicon steel sheet was stamped to form
Flake.Stator piece is generally annular, and inner ring is integrally installed with 12 stator salient poles 411.The outer ring of stator piece and engine base
11 inner rings are adapted.Stator core 41 is in engine base 11 and is set at rotor 3.Stator winding 42 is using across under mode
Line.Have two groups of stator winding 42 among 411 gaps of two neighboring stator salient poles, two groups of stator winding 42 be provided with every
Plate 43.Positioning plate 44 is connected between two neighboring stator salient poles 411, positioning plate 44 is arranged in stator winding 42 close to motor
The side of rotor 3.
In conjunction with shown in Fig. 2 and Fig. 5, magnetoresistance transformer 5 includes that the rotation being fixedly linked with main shaft 2 becomes device rotor 52
And the rotation being fixed on casing 1 becomes device stator 51, the principle of magnetoresistance transformer 5 is the prior art, concrete structure
The Chinese patent that notification number is CN201853570U can be referred to, details are not described herein again.Rotation becomes device stator 51 and is fixed in rear bearing
Side of the outer end cap 17 far from rotor 3.
As shown in Figure 6 and Figure 7, noise reduction components 7 include the noise reduction frame 71 and acoustical cotton 72 being fixed on casing 1.
In conjunction with shown in Fig. 2, noise reduction frame 71 is whole in a ring, and main shaft 2 is passed through from the annular, and main shaft 2 and noise reduction frame
71 is coaxial.There are two the settings of noise reduction frame 71, and is located at the both ends of rotor 3.As shown in figure 8, each table of noise reduction frame 71
Multiple sound-absorption holes 712 are uniformly provided on face, the sound-absorption hole 712 bends and interconnects.In conjunction with shown in Fig. 6 and Fig. 7, drop
The surfaces externally and internally of frame 71 of making an uproar has multiple annular noise reduction slots 711, and acoustical cotton 72 is filled in the noise reduction slot 711.
As shown in fig. 7, being arranged with spacer 75 on noise reduction frame 71, spacer 75 divides for inner sleeve 751 and housing 752, inner sleeve 751
It is the tubulose coaxial with noise reduction frame 71 with housing 752.Inner sleeve 751 and housing 752 inner ring and outer ring with noise reduction frame 71 respectively
It abuts.The outer ring of housing 752 is adapted with 11 inner wall of engine base, and the internal diameter diameter of inner sleeve 751 is slightly larger than the maximum gauge of main shaft 2.
Noise reduction frame 71 is towards the heat dissipation channel 713 for being provided with annular on the end face of rotor 3, the annular and noise reduction frame 71
Coaxially.Heat dissipation channel 713 runs through end face of the noise reduction frame 71 far from rotor 3.It is affixed between the outboard sidewalls of heat dissipation channel 713
There are multiple supporting rods 76.The connection of supporting rod 76 is divided into two-part noise reduction frame 71 by heat dissipation channel 713, and supporting rod 76 is set respectively
It sets at the both ends of heat dissipation channel 713.As shown in fig. 6, the inner and outer wall of heat dissipation channel 713 is both provided with corrugated bending.
Noise reduction slot 711 is avoided heat dissipation channel 713 and is arranged between the bending.
In conjunction with shown in Fig. 2, Fig. 9 and Figure 10, the one end of noise reduction frame 71 far from rotor 3 is integrally connected with the connection of annular
Along 73.Connection is coaxial with noise reduction frame 71 along 73.Close to drive end bearing bracket 12 noise reduction frame 71 connection along 73, be sandwiched in drive end bearing bracket 12 with
Between the flange of engine base 11.The connection of the noise reduction frame 71 of close rear end cap 13 is sandwiched in the method for rear end cap 13 and engine base 11 along 73
Between orchid.Connection is provided with the through-hole for allowing bolt to pass through along 73.Connection be fitted with respectively along 73 two axial end faces with
Connection is made along the identical cushion pad 74 of 73 shapes, cushion pad 74 of rubber.
As shown in figure 9, the end face of engine base 11 towards drive end bearing bracket 12 is provided with the connectivity slot of annular, the connectivity slot is connected to engine base
11 hollow-core construction.Acoustical cotton 72 is filled in the hollow-core construction and connectivity slot.Engine base 11 is towards welding on the end face of drive end bearing bracket 12
It is connected to sealing plate 115, sealing plate 115 closes connectivity slot.
Fig. 2 is reviewed, mounting hole 112 is provided on the outer circumference surface of engine base 11, mounting hole 112 runs through the side wall of engine base 11.Gu
Determine there are three the settings of hole 112, and is distributed at 4 place circumference of motor stator.It is welded in mounting hole 112 and 112 phase of mounting hole
The connecting tube 113 of adaptation.The inner ring of connecting tube 113 is provided with internal thread, and fixing bolt 114 is threaded on the internal thread.
Fixing bolt 114 is abutted with motor stator 4.
Bearing outer end cap 17 after main shaft 2 stretches out is connected with heat-dissipating impeller 8 on extension.It is connected with fan housing on engine base 11
6.Fan housing 6 and rear end cap 13 cover on magnetoresistance transformer 5 and heat-dissipating impeller 8 wherein.
It using, stator winding 42 is powered successively by phase sequence, since magnetic flux is always closed along the path of magnetic resistance minimum, because
The movement of this rotor with salient pole 312 is aligned with stator salient poles corresponding with energization stator winding 42 411 successively, to drive main shaft 2 to rotate.
The noise sent out inside when motor operates, by noise reduction frame 71, a part enters sound-absorption hole 712 and sound-absorption hole 712
Hole wall collide, reflect and absorbed；A part passes through acoustical cotton 72, is absorbed, is weakened in acoustical cotton 72；Also one
Part enters heat dissipation channel 713, collides, reflects and is inhaled by noise reduction frame 71 between the side wall that side wall is bent with heat dissipation channel 713
It receives.Or propagation is directed out by engine base 11, it is weakened by acoustical cotton 72 therein by the noise of engine base 11, to reach
To the effect for reducing noise.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of noise reduction switch reluctance motor, including casing (1), be rotatably connected on casing (1) main shaft (2), be fixed in master
Rotor (3) on axis (2), the motor stator (4) and position detector being fixed in casing (1), it is characterised in that：Also
Including noise reduction components (7), noise reduction components (7) include two noise reduction framves (71) for being fixed in the internal annular of casing (1), main shaft
(2) noise reduction frame (71) is passed through, motor stator (4) and rotor (3) are located between two noise reduction framves (71), on noise reduction frame (71)
It is provided with noise reduction slot (711), is connected with acoustical cotton (72) in the noise reduction slot (711), the surface of noise reduction frame (71) is uniformly provided with
Multiple sound-absorption holes (712) interconnected.
2. noise reduction switch reluctance motor according to claim 1, it is characterised in that：Noise reduction frame is provided on (71) through noise reduction
Close and far from rotor (3) end face the heat dissipation channel (713) of frame (71).
3. noise reduction switch reluctance motor according to claim 2, it is characterised in that：Heat dissipation channel (713) integrally be in and master
The coaxial ring-type of axis (2).
4. noise reduction switch reluctance motor according to claim 3, it is characterised in that：The heat dissipation channel (713) it is inside and outside
Multiple tracks bending is uniformly arranged in side wall, and noise reduction slot (711) is arranged between the bending.
5. noise reduction switch reluctance motor according to claim 1, it is characterised in that：Noise reduction frame is arranged with spacer on (71)
(75), acoustical cotton (72) is enclosed in noise reduction slot (711) by the spacer (75).
6. noise reduction switch reluctance motor according to claim 1, it is characterised in that：Casing (1) includes engine base (11), affixed
Engine base (11) both ends drive end bearing bracket (12) and rear end cap (13), be respectively and fixedly connected to the fore bearing inner end caps of drive end bearing bracket (12) both sides
(14) with fore bearing outer end cap (15), and the rear bearing inner end cap (16) of rear end cap (13) both sides and rear bearing are respectively and fixedly connected to
Outer end cap (17)；The side wall of engine base (11) is hollow-core construction, and noise reduction components (7) further include being placed on engine base (11) side wall hollow position
Acoustical cotton (72).
7. noise reduction switch reluctance motor according to claim 6, it is characterised in that：Engine base is provided with mounting hole on (11)
(112), connecting tube (113) is connected in the mounting hole (112), connecting tube (113) internal thread is connected with and motor stator (4)
The fixing bolt (114) of abutting.
8. noise reduction switch reluctance motor according to claim 6, it is characterised in that：One end face of engine base (11) is by its sky
Core structure runs through, and the sealing plate (115) of closed communication slot is connected on the end face.
9. noise reduction switch reluctance motor according to claim 6, it is characterised in that：Noise reduction frame (71) is far from rotor
(3) one end is connected with connection along (73), and connection is located at engine base (11) and drive end bearing bracket (12) or engine base (11) with after along (73)
Between end cap (13).
10. noise reduction switch reluctance motor according to claim 9, it is characterised in that：Connection is set respectively along the both sides of (73)
It is equipped with cushion pad (74).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920398.6U CN207835257U (en) | 2017-12-29 | 2017-12-29 | A kind of noise reduction switch reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920398.6U CN207835257U (en) | 2017-12-29 | 2017-12-29 | A kind of noise reduction switch reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207835257U true CN207835257U (en) | 2018-09-07 |
Family
ID=63391175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920398.6U Active CN207835257U (en) | 2017-12-29 | 2017-12-29 | A kind of noise reduction switch reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207835257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678973A (en) * | 2021-12-03 | 2022-06-28 | 江苏集萃智能制造技术研究所有限公司 | Noise reduction motor for window opening |
| CN115149710A (en) * | 2022-09-02 | 2022-10-04 | 福安市万里电机有限公司 | Noise reduction type motor that massage armchair was used |
-
2017
- 2017-12-29 CN CN201721920398.6U patent/CN207835257U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678973A (en) * | 2021-12-03 | 2022-06-28 | 江苏集萃智能制造技术研究所有限公司 | Noise reduction motor for window opening |
| CN114678973B (en) * | 2021-12-03 | 2023-09-15 | 江苏集萃智能制造技术研究所有限公司 | Noise reduction motor for windowing |
| CN115149710A (en) * | 2022-09-02 | 2022-10-04 | 福安市万里电机有限公司 | Noise reduction type motor that massage armchair was used |
| CN115149710B (en) * | 2022-09-02 | 2022-11-08 | 福安市万里电机有限公司 | Noise reduction type motor for massage chair |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| IE872555L (en) | Full flux reversal variable reluctance machines | |
| CN207835257U (en) | A kind of noise reduction switch reluctance motor | |
| JP2017022971A (en) | Single-phase motor, airflow generating device, and electric apparatus | |
| JP2017198195A (en) | Cooling fan and air-cooled refrigerator comprising the same | |
| CN106374705B (en) | Axial flux permanent magnet machine | |
| JP4901844B2 (en) | Commutator motor, blower and vacuum cleaner | |
| JP2009213259A (en) | Magnet generator | |
| CN207664848U (en) | Switched reluctance machines | |
| CN207664851U (en) | A kind of switched reluctance machines | |
| CN207743773U (en) | 6/8 pole switching reluctance motor | |
| JP2005506820A5 (en) | ||
| CN111600421B (en) | Noise-reduction variable-frequency brake motor | |
| CN213243781U (en) | Disk generator | |
| CN208939672U (en) | A kind of high efficiency coil windings stator and the generator with the wound stator | |
| CN213693287U (en) | Noise-reduction sound-absorption motor | |
| JP7123162B2 (en) | Switched reluctance machine with reduced noise and vibration | |
| CN210468933U (en) | Rotor for rubber and plastic machinery | |
| CN207766042U (en) | A kind of stator inner ring and outer circle double positioner | |
| CN105703588A (en) | Flywheel-type motor for diesel engine | |
| JP2009247078A (en) | Commutator motor, blower, and electric cleaner | |
| CN217607631U (en) | High-rotating-speed low-noise shaded pole motor | |
| CN219366354U (en) | Magnetic suspension blower | |
| CN218415955U (en) | Axial direct current permanent magnet motor | |
| CN208337272U (en) | A kind of motor it is interior around mechanism | |
| CN218449652U (en) | Disc type motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 300000 Tianjin Jizhou District Tianjin Shangcang Industrial Park, south of Tianjiu Street and east of Fuqiang Road Patentee after: Chuangyuan Yide (Tianjin) Group Co., Ltd. Address before: 301906 Tianjin Jizhou District Tianjin Shangcang Industrial Park, Tianjiu Street South side, Fuqiang Road east side Patentee before: Tianjin Chuangyuan Yide Technology Development Co. Ltd. |