CN202768473U - Advection fan and fan wheel thereof - Google Patents
Advection fan and fan wheel thereof Download PDFInfo
- Publication number
- CN202768473U CN202768473U CN 201220348181 CN201220348181U CN202768473U CN 202768473 U CN202768473 U CN 202768473U CN 201220348181 CN201220348181 CN 201220348181 CN 201220348181 U CN201220348181 U CN 201220348181U CN 202768473 U CN202768473 U CN 202768473U
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- fan
- advection
- substrate
- impeller
- hollow part
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Abstract
Disclosed is an advection fan. The advection fan comprises a fan frame which is provided with a first closing plate and a second closing plate. A side wall is arranged between the first closing plate and the second closing plate. The side wall is provided with an air inlet and an air outlet, and the centre of the fan frame is provided with a shaft seat. The advection fan further comprises a fan wheel which is arranged between the first closing plate and the second closing plate in a rotatable mode. The fan wheel is provided with a substrate. The centre of the substrate is provided with a shaft connecting part. The shaft connecting part is provided with a centre shaft and a permanent magnet. The centre shaft is arranged in the shaft seat of the fan frame in a pivoted mode. The periphery of the substrate is provided with a plurality of vanes. A flow-guiding area is formed between the shaft connecting part and the vanes. The substrate in the flow-guiding area is provided with a plurality of hollow-out parts. The advection fan also comprises a driving set relative to the permanent magnet. The driving set is arranged in the fan frame and is used for driving the rotation of the fan wheel. According to the hollow-out parts, the outside air induced by the air inlet can be free from blocking by the substrate.
Description
Technical field
The utility model is about a kind of advection fan and impeller thereof, particularly a kind of advection fan and impeller thereof that can promote inlet air and air output.
Background technique
Please refer to shown in Figure 1ly, existing level formula convection fan 9 includes a skeleton frame 91, an impeller 92 and a cover plate 93.This skeleton frame 91 has a base plate 911 and a side wall 912, and this base plate 911 is provided with an axle bed 913, and this side wall 912 is provided with a wind inlet 914 and an exhaust outlet 915; This impeller 92 is to be located at rotationally this axle bed 913, and this impeller 92 comprise a substrate 921 and the number blade 922, this is counted blade 922 and is located at this substrate 921 peripheries; And this cover plate 93 is in order to covering this skeleton frame 91, and can be installed in this side wall 912 end faces by fixed block 94.Whereby, when this impeller 92 rotation, can order about air and suck via this wind inlet 914, and be blown out by this exhaust outlet 915.
Yet, the impeller 92 of existing level convection fan 9 is to be set up by metal tabular substrate 921 to form mostly, and most substrates 921 are to be a closing plate, and its surface design that all do not have specific characteristics, so that when extraneous air-flow sucks through this wind inlet 914, and circulate in this skeleton frame 91 when inner, easy interval because of this substrate 921, so that the air-flow that circulates between this base plate 911 and the substrate 921 can't be subjected to this to count ordering about of blade 922 all the time, and then flows in the zone of this substrate 921 and 922 corrals of number blade.So, not only the air flow rate in this skeleton frame 91 is limited, more easily cause the deficiency of existing level convection fan 9 whole airflow capacity amounts, more all the time can't be under the rotation of this impeller 2, effectively promote inlet air and the air output of existing level convection fan 9, therefore the overall operation usefulness of existing level convection fan 9 still remains further to be improved really.
In view of this, really be necessary to provide a kind of advection fan and impeller thereof that can promote the airflow capacity amount, solving aforesaid problem, and can effectively increase inlet air and the air output of advection fan.
The model utility content
The utility model main purpose is to improve above-mentioned shortcoming, so that a kind of advection fan and impeller thereof to be provided, it can make the air-flow in the fan frame fully be subjected to the driving of impeller, and relatively increases the airflow capacity amount in the fan frame, and improve inlet air and air-out usefulness, and then promote the overall operation performance.
The utility model time purpose provides a kind of advection fan and impeller thereof, and it can increase inlet air and air output, and because of the exhaust outlet area relatively less than the wind inlet area, and can promote the blast that air-flow produces.
For reaching aforementioned model utility purpose, advection fan of the present utility model comprises: a fan frame, have one first closing plate and one second closing plate, be provided with a side wall between this first closing plate and the second closing plate, this side wall is provided with a wind inlet and an exhaust outlet, and these fan frame central authorities are provided with an axle bed; One impeller, rotatably be located between this first closing plate and the second closing plate, and this impeller has a substrate, this substrate center is provided with an axis part, this axis part is in order to arrange a central shaft and a permanent magnet, and this central shaft is hubbed in the axle bed of this fan frame, and this substrate periphery then is provided with several blades, form a guiding region between this axis part and the number blade, the substrate that is positioned at this guiding region is provided with several hollow part; And a driving group, be located in this fan frame, and to should permanent magnet, rotate in order to drive this impeller.
For reaching aforementioned model utility purpose, the utility model also provides a kind of impeller of advection fan, this impeller comprises a substrate, this substrate center is provided with an axis part, this axis part is in order to arrange a central shaft and a permanent magnet, and this substrate periphery is provided with several blades, forms a guiding region between this axis part and the number blade, and the substrate that is positioned at this guiding region is provided with several hollow part.
Wherein, this gross area of counting the hollow part totalling accounts at least 50% of this guiding region area, makes especially this gross area of counting the hollow part totalling account for 50% to 95% of this guiding region area; What is more, this counts better 80% to 95% of this guiding region area that accounts for of the gross area that hollow part adds up.
Wherein, form a lattice framing between the wantonly two adjacent hollow part, this lattice framing extends towards the radial direction of this central shaft and arranges.And this lattice framing can form towards this central shaft extension from this blade; Perhaps, this lattice framing can form towards this blade ora terminalis extension from the tangent direction of this axis part.
Wherein, this to count hollow part respectively be for running through a perforation on two relative surfaces of this substrate.
Wherein, the opening area of the exhaust outlet of this fan frame is less than the opening area of this wind inlet, and this exhaust outlet opening area is at least 10% of this wind inlet opening area; Especially, this exhaust outlet opening area is preferably more than 40% of this wind inlet opening area.
Wherein, when the axis part of this substrate is the cap shape, and the inner ring surface of this axis part is when being provided with this permanent magnet, and this driving group can comprise stator group and a circuit board, and this stator pack and circuit board are located on outside this axle bed.
Wherein, when the axis part of this substrate is planar, and this axis part is when the surface of this first closing plate is provided with this permanent magnet, and this driving group can be the circuit board that the surface is furnished with coil, and this circuit board is located on outside this axle bed.
The utility model beneficial effect is, count hollow part by this and can make the extraneous air-flow of introducing from this wind inlet in the situation that not intercepted by this substrate, be subjected to the driving of this impeller and fully circulate in this fan frame inner, and air feed stream is counted hollow part by this and is circulated between this first closing plate and the second closing plate.So, continue under the rotation at this impeller, can relatively increase the airflow capacity amount in this guiding region, so that this impeller is in operation process, can suck mass air flow from this wind inlet easily, and count hollow part by this and circulate in this fan frame for air-flow, and relatively blow out from this exhaust outlet, further to reach the effect of winding level convection fan inlet air and air-out usefulness; Even, see through again and pass through this exhaust outlet opening area relatively less than this wind inlet opening area, more can aggravate to blow out the blast that air-flow produces from this exhaust outlet, and then effectively increase the operation performance of integral level convection fan.
Description of drawings
Fig. 1: the stereochemical structure exploded view of existing level convection fan.
Fig. 2: the stereochemical structure exploded view of the utility model advection fan.
Fig. 3: the utility model advection fan is not provided with the top view of the second closing plate.
Fig. 4: the utility model advection fan is not provided with another formal view of the second closing plate.
Fig. 5: the generalized section of the utility model advection fan.
Fig. 6: the generalized section of another form of the utility model advection fan.
[primary clustering symbol description]
(the utility model)
1 fan frame, 11 first closing plates, 12 second closing plates
13 side walls, 131 wind inlets, 132 exhaust outlets
14 axle beds, 2 impellers, 21 substrates
211 axis parts, 212 hollow part, 213 lattice framings
22 central shafts, 23 blades 24,24 ' permanent magnet
31 stator pack 32,33 circuit boards are organized in 3 drivings
S guiding region G radial air gap G ' axial air-gap
(prior art)
9 advection fans, 91 skeleton frames, 911 base plates
912 side walls, 913 axle beds, 914 wind inlets
915 exhaust outlets, 92 impellers, 921 substrates
922 blades, 93 cover plates, 94 fixed blocks.
Embodiment
For above-mentioned and other purpose, feature and advantage of the present utility model can be become apparent, preferred embodiment of the present utility model cited below particularly, and cooperate institute's accompanying drawing, be described in detail below:
Please refer to shown in Fig. 2 and 3, the utility model the first embodiment's advection fan comprises fan frame 1, an impeller 2 and a driving group 3.This impeller 2 is rotatably fanned frame 1 in conjunction with this, and should driving group 3 place between this fan frame 1 and the impeller 2, in order to should driving group 3 drive this impeller 2 rotation runnings.
This fan frame 1 can be any can organize for this impeller 2 and driving 3 accommodating, and the confession air-flow imports and derives and flow in hollow frame structure wherein with radial direction, this hollow frame structure can be the structural design of various geometrical shapies, such as polygon, circle or oval etc., the present embodiment discloses a tetragonal frame structure especially as this fan frame 1.
In more detail, the fan frame 1 of the present embodiment comprises one first closing plate 11 and one second and closes 12, has a spacing between this first closing plate 11 and the second closing plate 12, and be provided with a side wall 13 between this first closing plate 11 and the second closing plate 12, this side wall 13 is provided with a wind inlet 131 and an exhaust outlet 132, so as to consisting of an advection formula fan frame structure.Shown in drawing, this advection formula fan frame structure is closed state (take graphic direction as main) up and down in the axial direction, and the setting position of this wind inlet 131 and exhaust outlet 132 and quantity can cooperate different demands to change.In the present embodiment, this first closing plate 11 is that a base plate and this base plate and this side wall 13 are one-body molded, and this second closing plate 12 is a cover plate, and this cover plate is incorporated into this side wall 13 removably, in order to this impeller 2 and driving group 3 are assembled in this fan frame 1 inside.
Especially, the better opening area less than this wind inlet 131 of the opening area of the exhaust outlet 132 of the present embodiment, and these exhaust outlet 132 opening areas are at least 10% of these wind inlet 131 opening areas, especially make these exhaust outlet 132 opening areas for these wind inlet 131 opening areas more than 40% for better, so as to passing through these exhaust outlet 132 areas relatively less than these wind inlet 131 areas, and can effectively promote the blast that air-flow produces by this exhaust outlet 132, so that the utility model advection fan has better performance.
In addition, fan frame 1 central authorities of the present embodiment are provided with an axle bed 14, and this axle bed 14 can to fan frame 1 one-body molded with this; Perhaps, this axle bed 14 also can be incorporated on the first closing plate 11 of this fan frame 1 in dismounting.
This impeller 2 rotatably is located between this first closing plate 11 and the second closing plate 12, and this impeller 2 has a substrate 21, this substrate 21 can be by the made plate body of the materials such as metal or plastics, the present embodiment especially with the made metal plate of magnetic conductive material as this substrate 21, with in conjunction with permanent magnet the time, this metal substrate 21 can be used as the purposes of envelope magnetic sheet.
Moreover these substrate 21 central authorities are provided with an axis part 211, and this axis part 211 is in order to arrange a central shaft 22, and this central shaft 22 is hubbed in the axle bed 14 of this fan frame 1.Wherein, this central shaft 22 can adopt the axis part 211 that is fixed in this substrate 21 such as combinations such as buckle, locking, laser bonding, drive fits, and when it was fixed in this axis part 211 with this central shaft 22, this central shaft 22 can not produce to dally alone and get final product.On the other hand, these substrate 21 peripheries are provided with several blades 23, and wherein this counts that blade 23 is better to be incorporated into this substrate 21 peripheries with the plastic ejection moulding one, makes and the assembling convenience to promote; And, this is counted the free end that blade 23 is not incorporated into this substrate 21 and extends axially towards the direction away from this central shaft 22, be positioned at this substrate 21 tops (take graphic direction as main) so that this free end of counting blade 23 can be concentrated, make impeller 2 of the present utility model be more suitable for fan wheel structure as advection fan.
Hold, this central shaft 22 is the Basic Design concept of advection fan with the configuration of number blade 23, has in this field and knows that usually the knowledgeable all can understand easily, and non-the utility model technical characteristics place, therefore only with basic embodiment's simple declaration it, do not need to be limited at this.
Please continue and consult shown in Fig. 2 and 3, be to form a guiding region S between this axis part 211 and the number blade 23, and when this impeller 2 rotation, the air-flow of these wind inlet 131 introducings just can circulate in this guiding region S certainly, blows out via this exhaust outlet 132 with air-guiding; And the substrate 21 that is positioned at this guiding region S is provided with several hollow part 212, and this counts hollow part 212 respectively is for a Chuan Kong ﹝ who runs through these substrate 21 relative two surfaces joins such as drawing Suo Shi ﹞, so as to promote the airflow capacity amount in this fan frame 1 by this hollow part 212.Wherein, this is counted hollow part 212 and is preferably and intersperses among in this guiding region S, and this count the totalling gross area that hollow part 212 is opened in this substrate 21 account for this guiding region S ﹝ namely be positioned at this guiding region S the long-pending ﹞ area of substrate 21 total faces at least 50%, make especially this totalling gross area of counting hollow part 212 account for 50% to 95% of this guiding region S area, with can be when introducing air-flow to this guiding region S, effectively counting hollow part 212 by this increases the airflow capacity amount, and then inlet air and the air-out usefulness of the running of winding level convection fan.
In the present embodiment, this is counted hollow part 212 and is equally spaced in this guiding region S, and this counts the totalling gross area that hollow part 212 is opened in this substrate 21, and is as shown in Figure 3 better, account for 80% to 95% of this guiding region S area, so that the airflow capacity amount is significantly improved; And, the present embodiment more can be selected to be formed with a lattice framing 213 between the in office two equidistant hollow part 212, this lattice framing 213 extends setting towards the radial direction of this central shaft 22, better this lattice framing 213 that makes forms towards these central shaft 22 extensions from these blade 23 ora terminalis, keeps the predetermined structure intensity of these substrates 21 to utilize the lattice framing 213 that equidistantly intersperses among in this guiding region S; Perhaps, this lattice framing 213 is extended towards these blade 23 ora terminalis from the tangent direction of this axis part 211 as shown in Figure 4 to be formed, with this lattice framing 213 of effective lifting and the structural strength that substrate 21 is connected, avoid being subjected to External Force Acting and the change that causes these impeller 2 kenels.
In addition, the axis part 211 of this substrate 21 can form the cap shape as shown in Figure 5, and the inner ring surface of this axis part 211 is provided with a permanent magnet 24, this permanent magnet 24 can and this driving group 3 between form as shown in Figure 5 radial air gap G.Perhaps, when the axis part 211 of this substrate 21 is the planar of nothing bending as shown in Figure 6, can select to be provided with a permanent magnet 24 ' in this axis part 211 towards the surface of this first closing plate 11, this permanent magnet 24 ' can and this driving group 3 between form as shown in Figure 6 axial air-gap G '.Hold, this permanent magnet 24,24 ' to set be different according to axis part 211 configurations of this substrate 21, have in this field and know that usually the knowledgeable can understand then, only illustrate that at this utility model may be implemented in the advection fan of arbitrary configuration, does not limit yet and no longer gives unnecessary details in detail one by one.
This driving group 3 can be the module that comprises such as members such as coil, circuit board, silicon steel plates, with a permanent magnet that cooperates this impeller 2 to preset by this driving group 3, produce alternating magnetic field and drive this impeller 2 rotations, technical field personnel are appreciated that appearance do not give unnecessary details under it.
In the present embodiment, when the axis part 211 of this substrate 21 is the cap shape, and when anchor ring is provided with this permanent magnet 24 within this axis part 211, this driving group 3 can comprise stator group 31 and a circuit board 32 as shown in Figure 5, this stator pack 31 and circuit board 32 all are located on outside this axle bed 14, with corresponding permanent magnet 24 effects that are provided with these axis part 211 inner ring surfaces, and then drive this impeller 2 rotations; Perhaps, when the axis part 211 of this substrate 21 is planar, and when this axis part 211 is provided with this permanent magnet 24 ' towards the surface of this first closing plate 11,3 of the driving groups of the present embodiment can be illustrated in figure 6 as the circuit board 33 that the surface is furnished with coil, this circuit board 33 is located on outside this axle bed 14, with the corresponding permanent magnet 24 ' effect that is provided with these 211 surfaces, axis part, and then drive this impeller 2 rotations.
Thus, when this driving group 3 drives this impeller 2 when this fan frame 1 inward turning transhipment is done, extraneous air-flow then can be in this wind inlet 131 be introduced this fan frame 1, and circulate in the guiding region S of this impeller 2, with by being opened in several hollow part 212 in this guiding region S for the interior air current flow of this fan frame 1, count hollow part 212 by this and circulate between this second closing plate 12 and the substrate 21 so that circulate in air flow energy between this first closing plate 11 and the substrate 21, further make the air-flow between this first closing plate 11 and the second closing plate 12 driven by this impeller 2, thereby promote the airflow capacity amount in this fan frame 1, so that mass air flow is by this guiding region S.Whereby, the throughput that blows out via this exhaust outlet 132 then can promote with the airflow capacity amount in this guiding region S and be improved; Add these exhaust outlet 132 areas relatively less than these wind inlet 131 areas, and the blast that produces more can promote air-flow by this exhaust outlet 132 time, reach the effect of winding level convection fan operation performance.
In sum, the major character of the utility model advection fan and impeller thereof is: count hollow part 212 by this and can make the extraneous air-flow of introducing from this wind inlet 131 in the situation that not intercepted by this substrate 21, be subjected to the driving of this impeller 2 and fully circulate in this fan frame 1 inside, and air feed stream is counted hollow part 212 by this and circulated between this first closing plate 11 and the second closing plate 12.So, continue under the rotation at this impeller 2, can relatively increase the airflow capacity amount in this guiding region S, so that this impeller 2 is in operation process, can suck mass air flow from this wind inlet 131 easily, and count hollow part 212 by this and circulate in this fan frame 1 for air-flows, and relatively blow out from this exhaust outlet 132, further to reach the effect of winding level convection fan inlet air and air-out usefulness; Even, pass through again these exhaust outlet 132 opening areas relatively less than these wind inlet 131 opening areas, more can aggravate to blow out the blast that air-flow produces from this exhaust outlet 132, and then effectively increase the operation performance of integral level convection fan.
Claims (26)
1. an advection fan is characterized in that, comprises:
A fan frame has first closing plate and second closing plate, is provided with a side wall between this first closing plate and the second closing plate, and this side wall is provided with a wind inlet and an exhaust outlet, and these fan frame central authorities are provided with an axle bed;
An impeller, rotatably be located between this first closing plate and the second closing plate, and this impeller has a substrate, this substrate center is provided with an axis part, this axis part is in order to arrange a central shaft and a permanent magnet, and this central shaft is hubbed in the axle bed of this fan frame, and this substrate periphery then is provided with several blades, and form a guiding region between this axis part and several blades, the substrate that is positioned at this guiding region is provided with several hollow part; And
A driving group is located in this fan frame, and to should permanent magnet, in order to drive this impeller rotation.
2. advection fan as claimed in claim 1 is characterized in that, the gross area that these several hollow part add up accounts at least 50% of this guiding region area.
3. advection fan as claimed in claim 1 is characterized in that, the gross area that these several hollow part add up accounts for 50% to 95% of this guiding region area.
4. advection fan as claimed in claim 1 is characterized in that, the gross area that these several hollow part add up accounts for 80% to 95% of this guiding region area.
5. advection fan as claimed in claim 1 is characterized in that, forms a lattice framing between any two adjacent hollow part, and this lattice framing extends setting towards the radial direction of this central shaft.
6. such as claim 2,3 or 4 described advection fans, it is characterized in that, form a lattice framing between any two adjacent hollow part, this lattice framing extends setting towards the radial direction of this central shaft.
7. advection fan as claimed in claim 6 is characterized in that, this lattice framing forms towards this central shaft extension from this blade.
8. advection fan as claimed in claim 6 is characterized in that, this lattice framing forms towards this blade ora terminalis extension from the tangent direction of this axis part.
9. such as claim 1,2,3,4 or 5 described advection fans, it is characterized in that, these several hollow part are respectively perforation that runs through two relative surfaces of this substrate.
10. such as claim 1,2,3,4 or 5 described advection fans, it is characterized in that, the opening area of the exhaust outlet of this fan frame is less than the opening area of this wind inlet, and this exhaust outlet opening area is at least 10% of this wind inlet opening area.
11. such as claim 1,2,3,4 or 5 described advection fans, it is characterized in that, the opening area of the exhaust outlet of this fan frame is less than the opening area of this wind inlet, and this exhaust outlet opening area is more than 40% of this wind inlet opening area.
12. such as claim 1,2,3,4 or 5 described advection fans, it is characterized in that, the axis part of this substrate is the cap shape, and the inner ring surface of this axis part is provided with this permanent magnet.
13. advection fan as claimed in claim 12 is characterized in that, this driving group comprises a stator pack and a circuit board, and this stator pack and circuit board are located on outside this axle bed.
14. such as claim 1,2,3,4 or 5 described advection fans, it is characterized in that, the axis part of this substrate is planar, and this axis part is provided with this permanent magnet towards the surface of this first closing plate.
15. advection fan as claimed in claim 14 is characterized in that, this driving group is furnished with a circuit board of coil for the surface, and this circuit board is located on outside this axle bed.
16. the impeller of an advection fan, it is characterized in that, it comprises a substrate, this substrate center is provided with an axis part, this axis part is in order to arrange a central shaft and a permanent magnet, and this substrate periphery is provided with several blades, forms a guiding region between this axis part and several blades, and the substrate that is positioned at this guiding region is provided with several hollow part.
17. the impeller of advection fan as claimed in claim 16 is characterized in that, the gross area that these several hollow part add up accounts at least 50% of this guiding region area.
18. the impeller of advection fan as claimed in claim 16 is characterized in that, the gross area that these several hollow part add up accounts for 50% to 95% of this guiding region area.
19. the impeller of advection fan as claimed in claim 16 is characterized in that, the gross area that these several hollow part add up accounts for 80% to 95% of this guiding region area.
20. the impeller of advection fan as claimed in claim 16 is characterized in that, forms a lattice framing between wantonly two hollow part, this lattice framing extends setting towards the radial direction of this central shaft.
21. the impeller such as claim 17,18 or 19 described advection fans is characterized in that, forms a lattice framing between wantonly two hollow part, this lattice framing extends setting towards the radial direction of this central shaft.
22. the impeller of advection fan as claimed in claim 21 is characterized in that, this lattice framing forms towards this central shaft extension from this blade.
23. the impeller of advection fan as claimed in claim 21 is characterized in that, this lattice framing forms towards this blade ora terminalis extension from the tangent direction of this axis part.
24. the impeller such as claim 16,17,18,19 or 20 described advection fans is characterized in that, these several hollow part are respectively perforation that runs through two relative surfaces of this substrate.
25. the impeller such as claim 16,17,18,19 or 20 described advection fans is characterized in that the axis part of this substrate is the cap shape.
26. the impeller such as claim 16,17,18,19 or 20 described advection fans is characterized in that the axis part of this substrate is planar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348181 CN202768473U (en) | 2012-07-18 | 2012-07-18 | Advection fan and fan wheel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220348181 CN202768473U (en) | 2012-07-18 | 2012-07-18 | Advection fan and fan wheel thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202768473U true CN202768473U (en) | 2013-03-06 |
Family
ID=47775053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220348181 Expired - Fee Related CN202768473U (en) | 2012-07-18 | 2012-07-18 | Advection fan and fan wheel thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202768473U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573699A (en) * | 2012-07-18 | 2014-02-12 | 建准电机工业股份有限公司 | Horizontal convection fan and fan wheel thereof |
| CN105090102A (en) * | 2014-04-28 | 2015-11-25 | 富瑞精密组件（昆山）有限公司 | Fan |
-
2012
- 2012-07-18 CN CN 201220348181 patent/CN202768473U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103573699A (en) * | 2012-07-18 | 2014-02-12 | 建准电机工业股份有限公司 | Horizontal convection fan and fan wheel thereof |
| CN105090102A (en) * | 2014-04-28 | 2015-11-25 | 富瑞精密组件（昆山）有限公司 | Fan |
| CN105090102B (en) * | 2014-04-28 | 2018-03-13 | 富瑞精密组件（昆山）有限公司 | Fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296 Patentee after: Sunonwealth Electric Machine Industry Co.,Ltd. Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1 Patentee before: Sunonwealth Electric Machine Industry Co.,Ltd. |
|
| 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: 20130306 Termination date: 20210718 |