CN206419217U - Reduce the alternating current permanent magnet synchronous water pump of exhaust noise - Google Patents
Reduce the alternating current permanent magnet synchronous water pump of exhaust noise Download PDFInfo
- Publication number
- CN206419217U CN206419217U CN201621404157.1U CN201621404157U CN206419217U CN 206419217 U CN206419217 U CN 206419217U CN 201621404157 U CN201621404157 U CN 201621404157U CN 206419217 U CN206419217 U CN 206419217U
- Authority
- CN
- China
- Prior art keywords
- rotor
- steam vent
- impeller cavity
- permanent magnet
- alternating current
- 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
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a kind of alternating current permanent magnet synchronous water pump of reduction exhaust noise, including impeller, the rotor assembly for including rotating shaft and magnetic core rotor, stator module, pump case and pump cover with delivery port and water inlet, pump case is formed with the rotor chamber for accommodating rotor assembly, the side wall of rotor chamber offers the steam vent run through inside and outside one, there is gas connection passage, the gas of impeller cavity from steam vent can discharge pump case via the communicating passage between steam vent and impeller cavity.The utility model is arranged on steam vent the lateral wall of rotor chamber, the air to be discharged of impeller cavity leads to rotor chamber from impeller cavity during startup, then discharged again from rotor chamber lateral wall, change position and direction that air discharges impeller cavity, avoid the globule sputtering that water is discharged with air and occurred from impeller cavity cavity wall, and when pump housing inversion work, air is easier to collect discharge toward the stomata in rotor chamber, so as to reduce the noise that the gas-vapor mix in drainage procedure is brought.
Description
Technical field
The utility model is related to draining pump, condensation pump technical field.
Background technology
As shown in Figures 1 to 3, it is a kind of existing structure of existing condenser pump, it includes pump cover 1, rotor assembly 2, pump case
3rd, stator core 5 and coil windings 6.Stator core 5 is pressed into by being shaped as U-shaped silicon steel sheet stack, during assembling, first by stator iron
Core 5 is assembled into stator module with coil windings 6, and then the stator module assembled is assembled together with pump case 3, finally in dress
Pump case intracavitary casting epoxy resin with stator module.Pump case 3 is formed with the bottom of rotor chamber and pump chamber, and rotor assembly 2 is inserted in
In rotor chamber, and pump cover 1 is sealed up, the bottom of pump cover 1 and pump case 3 is fastened.
This pump can realize self-starting, it is not necessary to start winding, play dynamic condenser or other external auxiliary devices.Coil is connected
During power supply, the alternating magnetic field that coil is produced drives rotor assembly (and impeller) to rotate by stator core, when impeller quick rotation
When, impeller promotes water to rotate quickly, and the water being rotating is driven by impeller under the influence of centrifugal force, from delivery port discharge.Impeller
Core formation vacuum area, be inhaled into the water of water inlet, so continuously work.As shown in figure 4, working as water pump
When being inverted work, in the pump initial stage, because the air in impeller cavity needs discharge, so the bottom end face in pump case opens up one
Steam vent 3.1, but although this perforate mode solves the problem of air is discharged, and but brings other puzzlements：
First, because steam vent is arranged on bottom end face, exhaust effect is undesirable, and because of the gas-vapor mix in drainage procedure
Bring larger noise；
Second, the water in impeller cavity also can in the lump be sputtered away with gas through this steam vent, water is directly sputtered on the pump housing,
There is leak etc. and use hidden danger.
Utility model content
The purpose of this utility model is to provide a kind of alternating-current synchronous water of exhaust noise when reducing pump startup
Pump, improves the service behaviour of pump.
To achieve these goals, the utility model employs following technical scheme：Reduce the AC permanent-magnet of exhaust noise
Synchronous water pump, including impeller, the rotor assembly for including rotating shaft and magnetic core rotor, stator module, pump case and with delivery port and
The pump cover of water inlet, the pump case is formed with the rotor chamber for accommodating rotor assembly, and the side wall of rotor chamber is offered inside and outside one
The steam vent run through, has gas connection passage, the gas of impeller cavity can be logical via the connection between steam vent and impeller cavity
Pump case is discharged from steam vent in road.
Be provided with the first division surface and the second division surface in rotor chamber, the first division surface be located at magnetic core rotor and steam vent it
Between, rotor chamber is separated into magnetic core rotor chamber and post-receiving chamber and by magnetic core rotor seal in magnetic core rotor chamber by the first division surface；
Second division surface is located between steam vent and impeller cavity, and the second division surface offers through hole connection impeller cavity and steam vent.
Second division surface is provided by a plastic bearing lid, and plastic bearing lid center offers axis hole and worn for rotating shaft
Cross.
It is provided with a fore bearing in rotor chamber, fore bearing is by rotating shaft support in rotor chamber center, and fore bearing is towards steam vent
Side is provided with a rubber shaft bearing lid, and rubber shaft bearing lid center offers axis hole and passed through for rotating shaft, and first division surface is by front axle
Hold and the common offer of the vicarious lid of rubber.
The periphery of steam vent is provided with retaining ring.
Pump case includes the first shell and second housing being detachably connected, and the first shell is wrapped in outside stator module, and first
Shell has a tubular endoporus, and the notch of stator iron core silicon steel sheet circular arc is exposed to tubular endoporus inwall, and second housing includes
One hollow rotor drum and an impeller cavity bottom, rotor drum is through among the tubular endoporus, and rotor assembly is placed on rotor drum
Inner chamber, after the first shell is assembled with second housing, exposes one section of rotor drum between the end face and impeller cavity bottom of the first shell,
The steam vent is opened in the shell wall of this section of rotor drum exposed.
First outer surface of outer cover is formed with a pair of symmetrical lugs, and lug center offers mounting hole, second housing impeller
The position that the bottom of bottom of chamber lid is relative with lug is provided with a mounting post, and lug is bolted to connection with mounting post.
Impeller cavity bottom is respectively equipped with the buckle or hook and slot structure of mutual cooperation with pump cover.
The endoporus of rotor assembly, pump case bag can be accommodated by having inside the stator module being assembled by stator core and coil
Include stator module shell, impeller cavity bottom and the one section of rotor chamber being connected between them shaped according to stator module profile
Shell, impeller cavity bottom center drilling is as the opening of rotor chamber, and the steam vent perforate is in the shell wall of the rotor chamber enclosure.
Magnetic core rotor center is provided with the central hole axially penetrated through, and rotating shaft penetrates the perforation of magnetic core rotor center and turned with magnetic core
Sub- plastic packaging is fixed together.
The utility model is arranged on steam vent the lateral wall of rotor chamber, and the air to be discharged of impeller cavity is from impeller during startup
Chamber leads to rotor chamber, is then discharged again from rotor chamber lateral wall, changes position and direction that air discharges impeller cavity, it is to avoid
The globule that water is discharged with air and occurred from impeller cavity cavity wall is sputtered, and osculum is arranged in the rotor chamber under impeller cavity,
When pump housing inversion work, air is easier to collect discharge toward the stomata in rotor chamber, so as to reduce the water in drainage procedure
The noise that gas mixed zone is come.
Brief description of the drawings
Fig. 1 is to carry out cross-section to impeller cavity in the structural representation of existing alternating current permanent magnet synchronous water pump, figure, can be with
See the position of steam vent.
Fig. 2 is the cross sectional view of the impeller cavity of existing alternating current permanent magnet synchronous water pump, it can be seen that the position of steam vent.
Fig. 3 is the assembling structure schematic diagram of existing alternating current permanent magnet synchronous water pump.
Fig. 4 is the structural representation that alternating current permanent magnet synchronous water pump is inverted in use state in water.
Fig. 5 is longitudinal cutaway view of the alternating current permanent magnet synchronous water pump of embodiment 1.
Fig. 6 is Fig. 5 A enlarged drawings.
Fig. 6 a are the schematic diagrames that Fig. 6 is fitted without the parts such as plastic bearing lid, and fore bearing and rubber shaft bearing can be seen in the figure
Rotor chamber is separated into two parts by lid.
Fig. 7 is the assembling structure schematic diagram of the alternating current permanent magnet synchronous water pump of embodiment 1.
Fig. 8 is the structural representation of the second housing of embodiment 1.
Fig. 9 is the pump shell structure schematic diagram of the alternating current permanent magnet synchronous water pump of embodiment 2.
Figure 10 is longitudinal cutaway view of the alternating current permanent magnet synchronous water pump of embodiment 2.
Figure 11 is Figure 10 B enlarged drawings.
Figure 12 is the assembling structure schematic diagram of the alternating current permanent magnet synchronous water pump of embodiment 2.
Figure 13 is the plastic bearing lid structural representation of utility model.
Wherein, pump cover 1, rotor assembly 2, pump case 3, steam vent 3.1, stator module 4, stator core 5, coil block 6, pump
Lid 101, impeller 102, plastic bearing lid 103, through hole 103.1, brace rod 103.2, rotor assembly 104, rear bearing 105, second
Shell 106, rotor drum 106.1, impeller cavity bottom 106.2, steam vent 106.3, buckle 106.4, mounting post 106.5, magnetic core turns
Sub- chamber 106.6, post-receiving chamber 106.7, sealing ring 107, the first shell 108, lug 108.1, mounting bracket 109, screw 110, rubber
Glue bearing cap 111, fore bearing 112, pump cover 201, impeller 202, plastic bearing lid 203, through hole 203.1, rotor assembly 204, after
Bearing 205, pump case 206, stator module shell 206.1, impeller cavity bottom 206.2, steam vent 206.3, rotor chamber enclosure
206.4, rubber shaft bearing lid 207, fore bearing 208, stator core 209, coil 210.
Embodiment
It should be understood that upper and lower, left and right in this specification, directional terms are to be directed to upwards, downwards, to the left, to the right
The description in the orientation shown in accompanying drawing, these orientation are not restricted.If without certain illustrated, term herein to
Interior, outside, inside and outside, inner side, outside refer to the scope relative to part centre, such as using electrical axis as reference, interior and interior
Side refers to closer to or pointed to position or the orientation of electrical axis, and outer and outside refers to further from motor center position.In addition, term
Level, the term such as hold up, dangle and be not offered as requiring part abswolute level or pendency, and allowing to be slightly tilted.Such as level
More level is simply meant to for its direction opposed vertical, is not to represent that the structure is fully horizontal, but can be slightly tilted.
Embodiment one
As Fig. 5~Fig. 8 show the utility model embodiment one AC permanent-magnet water pump structure, it include impeller 102,
Rotor assembly 104, stator module, pump case and the pump cover 101 with delivery port and water inlet.
Pump case is by the first shell 108 and second housing 106 is detachably connected constitutes.It is fixed that stator core is assembled into coil
Sub-component, stator module is wrapped in the first shell 108, and the first shell 108 has a tubular endoporus, for being inserted in second housing
106 rotor drum.The notch of stator iron core silicon steel sheet circular arc is exposed to tubular endoporus inwall.It is hollow that second housing includes one
The impeller cavity bottom 106.2 of rotor drum 106.1 and one, rotor drum 106.1 is fixed through tubular endoporus.Rotor assembly 104 is by magnetic
Core rotor and rotating shaft are constituted, and magnetic core rotor center is provided with the axial bore run through, and rotating shaft is fixed together with magnetic core rotor plastic packaging,
Impeller is installed on roller end.Rotor assembly is placed in the inner chamber (rotor chamber) of second housing rotor drum 106.1, impeller cavity bottom
106.2 are respectively equipped with the buckle 106.4 or hook and slot structure of mutual cooperation with pump cover 101, take this mutual snapping and fix, in impeller cavity
Impeller cavity is constituted between bottom and pump cover.
After first shell 108 is assembled with second housing 106, reveal between the end face and impeller cavity bottom of the first shell 108
Go out the rotor drum that one section of axial length is H, an exhaust for extending radially through rotor cylinder shell is offered in the periphery of this section of rotor drum
Hole 106.3.
Rotating shaft is supported in the center of rotor chamber by fore bearing 112 and rear bearing 105.Rubber shaft bearing lid 111 is installed on front axle
Hold 112 front end face (before the side towards steam vent is), be arranged between steam vent 106.3 and magnetic core rotor.Rubber shaft bearing
Rotor chamber is cooperatively separated into magnetic core rotor chamber 106.6 and post-receiving chamber 106.7 by lid with fore bearing, and by magnetic core rotor seal
In in magnetic core rotor chamber.
Plastic bearing lid 103 is arranged in the post-receiving chamber between steam vent 106.3 and impeller cavity, plastic bearing lid 103
End face offers the connection impeller cavity of through hole 103.1 and steam vent 106.3.Gas in impeller cavity can be via plastic bearing lid
Through hole 103.1 on 103 passes to post-receiving chamber, is then discharged from the steam vent 106.3 of rotor drum.Due to front bearing retainer 112 and rubber
The stop of glue bearing cap 111, gas will not enter magnetic core rotor where magnetic core rotor chamber in.What is be especially mingled with current is small
Volume foreign matter, even if the through hole that have passed through plastic bearing lid enters in post-receiving chamber, lid can not be also held through rubber and enters magnetic core turn
Sub- intracavitary, it is ensured that magnetic core rotor is not influenceed and destruction by foreign matter.
In this example, rubber shaft bearing lid 111 is mounted to the part of fore bearing 112, and both, which will be combined composition division surface, to turn
Sub- chamber is separated into magnetic core rotor chamber 106.6 for post-receiving chamber 106.7, and by magnetic core rotor seal in magnetic core rotor chamber.It is actual to answer
In, it may be considered that the mode of other implementations, such as rubber shaft bearing lid, which independently constitutes division surface, need not depend on support member fore bearing,
Or the support member with sealing effectiveness is produced, requirement of the present utility model can be met.
It is used to assemble sealing ring 107 provided with groove in the first shell tubular bore area, sealing ring 107 is assemblied in groove
It is interference fitted with the formation of second housing rotor tube outer surface.First outer surface of outer cover is formed with a pair of symmetrical lugs 108.1, convex
Ear center offers mounting hole, and the position that the bottom of second housing impeller cavity bottom is relative with lug is provided with a mounting post 106.5,
Lug 108.1 is bolted to connection with mounting post 106.5.
Embodiment two
It is the structure of the AC permanent-magnet water pump of the utility model embodiment two as shown in figs. 9 to 12, it includes impeller
202nd, rotor assembly 204, stator module, pump case 206 and the pump cover 201 with delivery port and water inlet.
Pump case 206 is wrapped in stator module shell 206.1, the bottom 206.2 of impeller cavity and company outside stator module
One section of rotor chamber enclosure 206.4 between them is connected to, the center of stator module shell 206.1 caves inward to form rotor chamber,
To accommodate rotor assembly, the center drilling of impeller cavity bottom 206.2 is as the opening of rotor chamber, and steam vent 260.3 is opened on rotor
The shell wall of chamber enclosure.
Stator core 209 is assembled into stator module with coil 210, and stator module is assemblied on rotor chamber enclosure.Rotor set
Part 204 is made up of magnetic core rotor and rotating shaft, and magnetic core rotor center is provided with the axial bore run through, and rotating shaft is consolidated with magnetic core rotor plastic packaging
It is scheduled on together, impeller is installed on roller end.Rotor assembly 204 and rear bearing 205, fore bearing 208, rubber shaft bearing lid 207, modeling
Material bearing cap 203 and impeller 202 are put into the rotor chamber of pump case after assembling jointly.Rotating shaft is supported in rotor by fore bearing 208
Chamber center, rubber shaft bearing lid 207 can prevent foreign matter from entering in rotor chamber, and plastic bearing lid offers the through hole axially penetrated through
203.1, the through hole connects impeller cavity with rotor chamber.The implementation of fore bearing 208, rubber shaft bearing lid 207 and plastic bearing lid 208
Mode can refer to the explanation of embodiment one.Gas in impeller cavity can lead to via the through hole 203.1 on plastic bearing lid 203
Rotor chamber, and discharged from steam vent 206.3.
Impeller cavity bottom 206.2 is respectively equipped with the buckle or hook and slot structure of mutual cooperation with pump cover 201.
The utility model includes but is not limited to above-described embodiment and content shown in the drawings, and other all are new with this practicality
There is the technical scheme of type the product structure of identical essentiality content to each fall within protection domain of the present utility model.
Claims (10)
1. reduce the alternating current permanent magnet synchronous water pump of exhaust noise, including impeller, include rotating shaft and magnetic core rotor rotor assembly,
Stator module, pump case and the pump cover with delivery port and water inlet, it is characterised in that：The pump case is formed with for accommodating rotor
The rotor chamber of component, the side wall of rotor chamber offers the steam vent run through inside and outside one, has gas between steam vent and impeller cavity
Communicating passage, the gas of impeller cavity from steam vent can discharge pump case via the communicating passage.
2. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 1, it is characterised in that：Set in rotor chamber
There are the first division surface and the second division surface, the first division surface is located between magnetic core rotor and steam vent, the first division surface is by rotor
Chamber is separated into magnetic core rotor chamber and post-receiving chamber and by magnetic core rotor seal in magnetic core rotor chamber；Second division surface is located at steam vent
Between impeller cavity, the second division surface offers through hole connection impeller cavity and steam vent.
3. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 2, it is characterised in that：Described second point
There is provided every face by a plastic bearing lid, plastic bearing lid center offers axis hole and passed through for rotating shaft.
4. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 2, it is characterised in that：Set in rotor chamber
There is a fore bearing, fore bearing is by rotating shaft support in rotor chamber center, and fore bearing is provided with a rubber shaft bearing towards the side of steam vent
Lid, rubber shaft bearing lid center offers axis hole and passed through for rotating shaft, and first division surface is common by the vicarious lid of fore bearing and rubber
There is provided.
5. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 1, it is characterised in that：Outside steam vent
Enclose provided with retaining ring.
6. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 1, it is characterised in that：Pump case includes can
The first shell and second housing of connection are dismantled, the first shell is wrapped in outside stator module, the first shell has a tubular endoporus,
The notch of stator iron core silicon steel sheet circular arc is exposed to tubular endoporus inwall, and second housing includes a hollow rotor drum and a leaf
Bottom of chamber lid is taken turns, rotor drum is through among the tubular endoporus, and rotor assembly is placed on outside rotor tube inner chamber, the first shell and second
After shell assembling, expose one section of rotor drum between the end face and impeller cavity bottom of the first shell, the steam vent, which is opened in, to be exposed
This section of rotor drum shell wall.
7. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 6, it is characterised in that：Outside first shell
Shaping surface has a pair of symmetrical lugs, and lug center offers mounting hole, the bottom of second housing impeller cavity bottom and lug
Relative position is provided with a mounting post, and lug is bolted to connection with mounting post.
8. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 6, it is characterised in that：Impeller cavity bottom
The buckle or hook and slot structure of mutual cooperation are respectively equipped with pump cover.
9. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 1, it is characterised in that：By stator core
The endoporus of rotor assembly can be accommodated by having inside the stator module being assembled with coil, and pump case is included according to stator module profile
And in stator module shell, impeller cavity bottom and the one section of rotor chamber enclosure being connected between them shaped, impeller cavity bottom
Heart perforate is as the opening of rotor chamber, and the steam vent perforate is in the shell wall of the rotor chamber enclosure.
10. the alternating current permanent magnet synchronous water pump of reduction exhaust noise according to claim 1, it is characterised in that：Magnetic core rotor
Center is provided with the central hole axially penetrated through, and rotating shaft penetrates the perforation of magnetic core rotor center and is fixed on one with magnetic core rotor plastic packaging
Rise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621404157.1U CN206419217U (en) | 2016-12-20 | 2016-12-20 | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621404157.1U CN206419217U (en) | 2016-12-20 | 2016-12-20 | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206419217U true CN206419217U (en) | 2017-08-18 |
Family
ID=59575493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621404157.1U Active CN206419217U (en) | 2016-12-20 | 2016-12-20 | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206419217U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762697A (en) * | 2016-12-20 | 2017-05-31 | 江门市地尔汉宇电器股份有限公司 | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise |
| CN110529393A (en) * | 2018-05-25 | 2019-12-03 | 三花亚威科电器设备（芜湖）有限公司 | The combined type pump housing |
| CN114704474A (en) * | 2022-04-18 | 2022-07-05 | 四川芯智热控技术有限公司 | New forms of energy water pump of easily assembling |
-
2016
- 2016-12-20 CN CN201621404157.1U patent/CN206419217U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762697A (en) * | 2016-12-20 | 2017-05-31 | 江门市地尔汉宇电器股份有限公司 | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise |
| CN106762697B (en) * | 2016-12-20 | 2023-03-24 | 汉宇集团股份有限公司 | Alternating current permanent magnet synchronous water pump capable of reducing exhaust noise |
| CN110529393A (en) * | 2018-05-25 | 2019-12-03 | 三花亚威科电器设备（芜湖）有限公司 | The combined type pump housing |
| CN114704474A (en) * | 2022-04-18 | 2022-07-05 | 四川芯智热控技术有限公司 | New forms of energy water pump of easily assembling |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106762697A (en) | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise | |
| CN206419217U (en) | Reduce the alternating current permanent magnet synchronous water pump of exhaust noise | |
| CN103597215B (en) | Oblique draught fan | |
| RU2010130185A (en) | DOUBLE AXIAL FAN ELECTRIC MACHINE | |
| RU2011107739A (en) | ELECTRIC MACHINE WITH HIGH PROTECTION WITH IMPROVED ROTOR COOLING | |
| PT1065376E (en) | Hermetic compressor | |
| CN105370584B (en) | Electrodynamic pump | |
| CN203775003U (en) | Direct-current brushless outer rotor motor and air blower of application thereof | |
| CN104389796B (en) | Two-stage impeller embedded submersible axial-flow pump | |
| CN104967248B (en) | External rotor electric machine | |
| CN104179693A (en) | Magnetic drive pump | |
| CN105673521B (en) | A kind of draining pump for reducing draining initial stage trapped gas | |
| CN107489628B (en) | Liquid-ring type draining pump | |
| CN104481898B (en) | Use the external rotor axial-flow fan of electromagnetic bearing | |
| KR101520766B1 (en) | Motor Unit, Pump Unit And Electric Oil Pump Using The Sames | |
| CN206144804U (en) | Water pump structure that direct current is brushless | |
| CN203604215U (en) | Alternating-current permanent magnet drainage pump | |
| CN206129710U (en) | Pump cover inlet tube is provided with drain pump of check valve | |
| CN205559299U (en) | Can reduce drain pump of tired gas of drainage initial stage | |
| CN207968274U (en) | Minisize dc is brushless water pump | |
| CN205304425U (en) | Hollow -cup permanent -magnet direct -current micromotor | |
| CN206419216U (en) | Improve the alternating current permanent magnet synchronous water pump of assembling structure | |
| CN107171479A (en) | Rotor mounting structure and blower fan system | |
| CN208423974U (en) | A kind of inner-rotor brushless motor | |
| CN102324796B (en) | Liquid-cooled radiating external rotor motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 529000 No. 336 Qinglan Road, Jiangmen High-tech Development Zone, Guangdong Province Patentee after: Hanyu Group Co., Ltd. Address before: 529000 No. 336 Qinglan Road, Jiangmen High-tech Development Zone, Guangdong Province Patentee before: Jiangmen Idear-hanyu Electrical Joint-stock Co., Ltd. |