CN103775354A - Cooling fan - Google Patents
Cooling fan Download PDFInfo
- Publication number
- CN103775354A CN103775354A CN201210405973.4A CN201210405973A CN103775354A CN 103775354 A CN103775354 A CN 103775354A CN 201210405973 A CN201210405973 A CN 201210405973A CN 103775354 A CN103775354 A CN 103775354A
- Authority
- CN
- China
- Prior art keywords
- fan
- fan frame
- impeller
- bounding means
- end angle
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title abstract 2
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000005855 radiation Effects 0.000 claims description 57
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 241000278713 Theora Species 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A cooling fan comprises a fan frame, a stator, a fan wheel and at least one limit part. The fan frame comprises an air inlet and an air outlet. An air flow channel is formed between the air inlet and the air outlet, and a coupling portion is arranged in the air flow channel of the fan frame. The stator is connected into the fan frame. The fan wheel comprises a rotation shaft and a permanent magnet. The rotation shaft is connected with the coupling portion rotatably, the permanent magnet is aligned with the stator, and a plurality of blades are arranged on the peripheral side of the fan wheel. The limit parts are arranged at the position of the air inlet circumference of the fan frame and comprise retaining sheets extending to the top of the blade rotation range of the fan wheel. A guide plane is arranged at one side end of each retaining sheet, so that the fan wheel cannot be separated from the fan frame and can be guided to return to the accurate assembly position.
Description
Technical field
The invention relates to a kind of radiation fan, the especially a kind of radiation fan that can guarantee that impeller can not deviate from arbitrarily.
Background technique
Existing radiation fan generally has the function that prevents that impeller from deviating from, and to avoid in the process of carrying, loading or packing, its impeller can depart from arbitrarily the predetermined assembling position of radiation fan.
As shown in Figure 1, be No. M309021 " micro fan " new patent of TaiWan, China, this new patent discloses a kind of existing radiation fan 8, and this radiation fan 8 comprises an impeller 81, a shell block 82 and a bottom plate 83.This impeller 81 is provided with an axostylus axostyle 811 and a permanent magnet 812; This shell block 82 has an intake grill 821, and this intake grill 821 is provided with an intilted water conservancy diversion flange 822; This bottom plate 83 is in conjunction with this shell block 82, and this bottom plate 83 has a central siphon 831, and this central siphon 831 can be for axostylus axostyle 811 combinations of this impeller 81, and in these bottom plate 83 inner edges, one magnetic location piece 832 are set.Whereby, this existing radiation fan 8 is except utilizing this magnetic location piece 832 and the magnetic effect each other of this permanent magnet 812, to avoid this impeller 81 to depart from outside this shell block 82, also can coordinate the design of this water conservancy diversion flange 822, further to guarantee that this impeller 81 is unlikely to depart from arbitrarily this shell block 82.
But, because the water conservancy diversion flange 822 of aforementioned existing radiation fan 8 is the link spring shape flange of intake grill 821 inner sides around being arranged at this shell block 82, though this water conservancy diversion flange 822 can effectively prevent this impeller 81 and depart from this shell block 82, but cause also the bore of this intake grill 821 to dwindle, and then affect the air output of this existing radiation fan 8, cause its radiating effect not remarkable.
Again as shown in Figure 2, be No. 98104156 " radiation fan " application for a patent for invention case of TaiWan, China, this application for a patent for invention case discloses another kind of existing radiation fan 9, and this radiation fan 9 comprises a fan frame 91, an impeller 92 and a bounding means 93.This impeller 92 is rotatably incorporated into this fan frame 91 inner sides; This impeller 92 is provided with several blades 921; This bounding means 93 is in conjunction with this fan frame 91, and is provided with a catch 931 of the blade 921 rotating ranges tops that extend to this impeller 92.Whereby, this radiation fan 9, in the process of carrying, load, packing or turning round, can utilize the catch 931 of this bounding means 93 effectively to prevent that this impeller 92 from departing from this fan frame 91.
But, when this radiation fan 9 is applied to various electronic product, and utilize in the process that the rotation of this impeller 92 dispels the heat, if when electronic product rocks situation because external force produces, this impeller 92 is easily toward the outside axial displacement of this fan frame 91, make this impeller 92 and the catch 931 of this fan frame 91 form engagement phenomenon, and then cause this impeller 92 to rotate smoothly.
For example, because the catch 931 of this bounding means 93 is not further provided with the structural design of guiding this blade 921, in the time that this radiation fan 9 is applied to as the mobile electronic such as mobile phone or notebook computer product, while rocking situation as user because using this mobile electronic product to produce, as shown in Figure 3, even if this impeller 92 can be subject to the block of this catch 931 in the time that wish departs from fan frame 91, just the ora terminalis of the blade 921 of this impeller 92 still may form engagement phenomenon as shown in the figure with the ora terminalis of this catch 931, thereby cause this impeller 92 cannot return correct assembling position, and cannot normal operation, thereby cause the radiating effect of this electronic product not good, can affect its working life, therefore still have necessity of being improved.
Summary of the invention
Main purpose of the present invention is to provide a kind of radiation fan, and this radiation fan can be in impeller rotary course, produces while rocking as met with external force, can effectively prevent that impeller from departing from arbitrarily, and can really guide impeller and return correct assembling position.
For reaching aforementioned goal of the invention, radiation fan of the present invention comprises a fan frame, a stator, an impeller and at least one bounding means.This fan frame has a wind inlet and an exhaust outlet, forms an air-flow path between this wind inlet and exhaust outlet, and this fan frame is provided with an axis part in air-flow path; This stator is incorporated into this fan frame inside; This impeller is provided with a rotating shaft and a permanent magnet, and this rotating shaft is rotatably in conjunction with this axis part, this this stator of permanent magnet contraposition, and the outer circumferential side of this impeller is provided with several blades; This bounding means is located at the wind inlet peripheral position of this fan frame, and this bounding means has a catch of the blade rotary scope top that extends to this impeller, and a side of this catch is provided with a guiding face.
Described several blade respectively has the outside leaf margin towards the air-flow path madial wall of this fan frame, and this outside leaf margin is provided with a relative first end angle and one second end angle, and this first end angle and the second end angle have height difference in the axial direction of this rotating shaft.
The first end angle of described blade is contiguous this wind inlet in this second end angle, and this second end angle has a bearing of trend towards this first end angle, and the guiding face of this catch is met to this bearing of trend.
Described catch has one first relative side and one second side, and this first side is met to this bearing of trend, and this guiding face is positioned at this first side; Or, the better guiding face that is also provided with of the second side of this catch.
The outside leaf margin of each blade of described impeller is provided with a breach, adjoining this first end angle of this breach.
Described bounding means is several.
The wind inlet periphery of described fan frame is provided with a fixing part, and this bounding means is incorporated into the fixing part of this fan frame.
Described fixing part is a positioning groove, and this bounding means comprises a body and in conjunction with projection, and this is formed at this body bottom in conjunction with projection, and this is arranged in this positioning groove in conjunction with projection, and separately this catch is formed at a side periphery of this body.
In the positioning groove that the fixing part of described fan frame forms, form several positioning holes, several locating columns are formed on the body bottom of this bounding means, and respectively this locating column is incorporated into the each positioning hole in this positioning groove.
Described stator has a power supply wiring, and this power supply wiring one end stretches through to the outside of this fan frame via this positioning groove, and this power supply wiring is held between this bounding means and this fixing part.
Described bounding means one is incorporated into the wind inlet periphery of this fan frame.
Accompanying drawing explanation
Fig. 1: the three-dimensional exploded view of existing radiation fan.
Fig. 2: the schematic top plan view of existing radiation fan.
Fig. 3: the partial sectional view of existing radiation fan.
Fig. 4: the three-dimensional exploded view of first embodiment of the invention radiation fan.
Fig. 5: the schematic top plan view of first embodiment of the invention radiation fan.
Fig. 6: the partial sectional view of first embodiment of the invention radiation fan.
Fig. 7: the use schematic diagram of first embodiment of the invention radiation fan.
Fig. 8: the three-dimensional exploded view of second embodiment of the invention radiation fan.
Fig. 9: the use schematic diagram of second embodiment of the invention radiation fan.
[primary component symbol description]
(the present invention)
1 fan frame
11 wind inlet 12 exhaust outlets
13 air-flow path 14 fixing parts
141 positioning hole 15 load bearing seats
151 link 152 axis parts
2 stators
21 power supply wirings
3 impellers
31 rotating shaft 32 permanent magnets
33 blade 331 outside leaf margins
331a first end angle 331b the second end angle
34 breach
4,4 ' bounding means
41 body 411 locating columns
42 in conjunction with projection 43 catch
431 first side 432 second sides
433 guiding faces
F bearing of trend
(prior art)
8 radiation fans
81 impeller 811 axostylus axostyles
812 permanent magnet 82 shell blocks
821 intake grill 822 water conservancy diversion flanges
83 bottom plate 831 central siphons
832 magnetic location pieces
9 radiation fans
91 fan frame 92 impellers
921 blade 93 bounding meanss
931 catch.
Embodiment
For above-mentioned and other object of the present invention, feature and advantage can be become apparent, preferred embodiment of the present invention cited below particularly, and coordinate accompanying drawing, be described in detail below:
Please refer to shown in Fig. 4,5 and 6, the radiation fan of first embodiment of the invention comprises a fan frame 1, a stator 2, an impeller 3 and at least one bounding means 4.This fan frame 1 is the various hollow fan frame structures that can import and derive air-flow, for example: axial flow fan frame or centrifugal fan frame etc.; This stator 2 and this impeller 3 are arranged at this fan frame 1 inside, to utilize this stator 2 to drive this impeller 3 to be rotated action; This at least one bounding means 4 is in conjunction with this fan frame 1, in order to prevent that this impeller 3 from deviating from arbitrarily.
First embodiment of the invention radiation fan is to disclose this fan frame 1 for axial flow fan frame, this fan frame 1 is provided with a wind inlet 11 and an exhaust outlet 12, this fan frame 1 forms an air-flow path 13 between this wind inlet 11 and this exhaust outlet 12, for accommodating this stator 2 and this impeller 3; Wind inlet 11 peripheries of this fan frame 1 are separately provided with a fixing part 14, this fixing part 14 can be designed to the various structures that can carry out dismounting for this bounding means 4, for example: positioning groove, positioning hole or positioning convex column etc., or this fixing part 14 also can be these bounding means 4 one and is incorporated into the position of fanning frame 1.In embodiment as shown in Figure 4, this fixing part 14 is a positioning groove, the several positioning holes 141 of better formation in this positioning groove; Again, in the time that this fan frame 1 is fanned frame for axial flow, the exhaust outlet 12 of this fan frame 1 can arrange a load bearing seat 15, can further supply these stator 2 combinations, this load bearing seat 15 is incorporated into the exhaust outlet 12 of this fan frame 1 with several links 151, and this load bearing seat 15 is provided with an axis part 152.
This stator 2 is incorporated into this fan frame 1 inside, goodly can further be fixed on this load bearing seat 15 and be positioned at this central siphon 152 peripheries; Wherein this stator 2 for various can be in order to drive this impeller 3 to do the structural design of spinning movement, as coil groups etc.Again, this stator 2 has a power supply wiring 21, and the better positioning groove that can form via this fixing part 14 in one end of this power supply wiring 21 stretches through to this fan frame 1 outside.
This impeller 3 is provided with a rotating shaft 31 and a permanent magnet 32, and this rotating shaft 31 is rotatably in conjunction with the axis part 152 of this fan frame 1, this this stator 2 of permanent magnet 32 contrapositions.
Again, the outer circumferential side of this impeller 3 is provided with several blades 33, and these several blades 33 respectively have the outside leaf margin 331 towards air-flow path 13 madial walls of this fan frame 1, and this outside leaf margin 331 is provided with a relative first end angle 331a and one second end angle 331b; As shown in Figure 6, in the axial direction of this rotating shaft 31, this first end angle 331a and the second end angle 331b have height difference, and wherein this first end angle 331a is to be adjacent to this wind inlet 11 compared to this second end angle 331b, and this second end angle 331b has a bearing of trend F towards this first end angle 331a.
This bounding means 4 is for being incorporated into removably the member of the fixing part 14 of this framework 11, therefore this bounding means 4 based on can be in conjunction with under the condition of this fixing part 14, also can coordinate the structure space kenel of this fixing part 14 and be designed to various shape; As shown in Figure 4, in the time that this fixing part 14 is selected to form a positioning groove, this bounding means 4 coordinates and is provided with a body 41 and in conjunction with projection 42, and several locating columns 411 can be formed on these body 41 bottoms, and this is formed at these body 41 bottoms in conjunction with projection 42 and respectively between this locating column 411; Whereby, the combination projection 42 of this bounding means 4 can be arranged in the positioning groove that this fixing part 14 forms, and respectively this locating column 411 is incorporated into the several positioning holes 141 in this positioning groove, effectively to promote the linking steady character between this bounding means 4 and this fixing part 14, and make this bounding means 4 can really be incorporated into wind inlet 11 peripheral positions of this fan frame 1.
Again, this bounding means 4 separately has a catch 43 of the blade 33 rotating range tops that extend to this impeller 3, and this catch 43 is formed at a side periphery of this body 41; As shown in Figure 6, this catch 43 has one first relative side 431 and one second side 432, this first side 431 is to meet to this bearing of trend F, this first side 431 is provided with a guiding face 433, make this impeller 3 in rotary course, can be in preventing that this impeller 3 from departing from this fan frame 1, further utilize this guiding face 433 that these impeller 3 guidings in rotation are returned to correct assembling position (joining in detail follow-up operation instruction); Or, this bounding means 4 is better can be to be simultaneously respectively provided with a guiding face 433(in this first side 431 and the second side 432 and not to illustrate), for being applied to the impeller 3 with clockwise and anticlockwise function, wherein be located at structure characteristic and the effect of the guiding face 433 of the second side 432, roughly the same with the guiding face 433 of being located at the first side 431, under can be, in technical field, therefore technician is appreciated that following only for the guiding face 433 proposition explanations of being located at the first side 431.
The radiation fan of preferred embodiment of the present invention is in the time that actual assembled is used, this stator 2 and this impeller 3 can be assembled in to this interior rear flank of fan frame 1, wind inlet 11 peripheries that again this bounding means 4 are assembled in to this fan frame 1, can complete assembling operation, therefore have the convenience in assembling; In addition, in the time that this bounding means 4 is incorporated into this fixing part 14, the power supply wiring 21 of this stator 2 is better to be held between this bounding means 4 and this fixing part 14, so that preferably locating effect of this power supply wiring 21 to be provided; Wherein extend to the rotating range top of the blade 33 of this impeller 3 due to the catch 43 of this bounding means 4; Therefore, the impeller 3 of radiation fan of the present invention rotation process in, even when the impeller of this radiation fan 3 may depart from this fan frame 1 because of external force, still can be by the block of this catch 43 and guide function, to guarantee that this impeller 3 can not depart from arbitrarily this fan frame 1.
In more detail, as shown in Fig. 6 and 7, in the time that radiation fan of the present invention is applied various electronic product, even when electronic product rocks because external force produces, utilizing this catch 43 to prevent that this impeller 3 from axially departing from the process of this fan frame 1, if the first side 431 of this catch 43 is resisted against the first end angle 331a of the blade 33 of this impeller 3 accidentally, and may form engagement phenomenon time, guiding face 433 by this bounding means 4 designs, the impeller 3 that can effectively guide in rotation is returned to correct assembling position, effectively prevent from forming engagement phenomenon between the blade 33 of this impeller 3 and this bounding means 4 to reach.
Please refer to shown in Fig. 8, is the radiation fan of second embodiment of the invention, and the radiation fan of the present embodiment comprises fan frame 1, stator 2, impeller 3 and bounding means 4 ' equally; Wherein the difference of the second embodiment's radiation fan and the first embodiment's radiation fan is only that this bounding means 4 ' is for several, and this bounding means 4 ' one is incorporated into wind inlet 11 peripheries of this fan frame 1, whereby, to promote assembling convenience, and can utilize equally this bounding means 4 ' that these impeller 3 guidings are returned to correct assembling position, and utilize the design of several bounding meanss 4 ', can provide this impeller 3 better block effect.
Moreover, take the second embodiment's radiation fan as example, the better breach 34 that is provided with of outside leaf margin 331 of each blade 33 of this impeller 3, the radiation fan that adjoining this first end angle of this breach 34 first and second embodiment of 331a(discloses all can have this breach 34 and design); Whereby, as shown in Figure 9, this impeller 3 is in the time of rotation, cause this impeller 3 may axially depart from the process of this fan frame 1 rocking because of external force, utilize the design of this breach 34, can effectively avoid the outside leaf margin 331 of each blade 33 of this impeller 3 to be difficult for this bounding means 4 ' of collision, form engagement phenomenon to guarantee that the blade 33 of this impeller 3 is more difficult with this bounding means 4 '.
As mentioned above, when radiation fan of the present invention is applied various electronic product, even while causing this electronic product generation to rock situation because of external force, this radiation fan can be by this bounding means 4,4 ' design, make this radiation fan 1,2,3 in guaranteeing that this impeller 3 can not depart from arbitrarily this fan frame 1, more can effectively these impeller 3 guidings be returned to correct assembling position, to reach the effect that prevents from forming engagement phenomenon.
Claims (12)
1. a radiation fan, is characterized in that, comprises:
A fan frame, has a wind inlet and an exhaust outlet, forms an air-flow path between this wind inlet and exhaust outlet, and this fan frame is provided with an axis part in air-flow path;
A stator, is incorporated into this fan frame inside;
An impeller, is provided with a rotating shaft and a permanent magnet, and this rotating shaft can be rotatably in conjunction with this axis part, this this stator of permanent magnet contraposition, and the outer circumferential side of this impeller is provided with several blades; And
A bounding means, is located at the wind inlet peripheral position of this fan frame, and this bounding means has a catch of the blade rotary scope top that extends to this impeller, and a side of this catch is provided with a guiding face.
2. radiation fan as claimed in claim 1, it is characterized in that, these several blades respectively have an outside leaf margin towards the air-flow path madial wall of this fan frame, this outside leaf margin is provided with relative a first end angle and a second end angle, and this first end angle and the second end angle have height difference in the axial direction of this rotating shaft.
3. radiation fan as claimed in claim 2, is characterized in that, the first end angle of this blade is contiguous this wind inlet in this second end angle, and this second end angle has a bearing of trend towards this first end angle, and the guiding face of this catch is to meet to this bearing of trend.
4. radiation fan as claimed in claim 3, is characterized in that, this catch has relative first side and second side, and this first side is met to this bearing of trend, and this guiding face is positioned at this first side.
5. radiation fan as claimed in claim 4, is characterized in that, the second side of this catch is separately provided with a guiding face.
6. the radiation fan as described in claim 2,3,4 or 5, is characterized in that, the outside leaf margin of each blade of this impeller is provided with a breach, adjoining this first end angle of this breach.
7. the radiation fan as described in claim 1,2,3,4 or 5, is characterized in that, this bounding means is several.
8. the radiation fan as described in claim 1,2,3,4 or 5, is characterized in that, the wind inlet periphery of this fan frame is provided with a fixing part, and this bounding means is incorporated into the fixing part of this fan frame.
9. radiation fan as claimed in claim 8, it is characterized in that, this fixing part is a positioning groove, this bounding means comprises a body and one in conjunction with projection, this is formed at this body bottom in conjunction with projection, and this is arranged in this positioning groove in conjunction with projection, and this catch is formed at a side periphery of this body.
10. radiation fan as claimed in claim 9, it is characterized in that, in the positioning groove that the fixing part of this fan frame forms, form several positioning holes, several locating columns are formed on the body bottom of this bounding means, and respectively this locating column is incorporated into the each positioning hole in this positioning groove.
11. radiation fans as claimed in claim 9, is characterized in that, this stator has a power supply wiring, and this power supply wiring one end stretches through to the outside of this fan frame via this positioning groove, and this power supply wiring is held between this bounding means and this fixing part.
12. radiation fans as described in claim 1,2,3,4 or 5, is characterized in that, this bounding means one is incorporated into the wind inlet periphery of this fan frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405973.4A CN103775354B (en) | 2012-10-23 | 2012-10-23 | Radiator fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405973.4A CN103775354B (en) | 2012-10-23 | 2012-10-23 | Radiator fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103775354A true CN103775354A (en) | 2014-05-07 |
| CN103775354B CN103775354B (en) | 2016-08-31 |
Family
ID=50567986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210405973.4A Expired - Fee Related CN103775354B (en) | 2012-10-23 | 2012-10-23 | Radiator fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103775354B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2510655Y (en) * | 2001-10-12 | 2002-09-11 | 建准电机工业股份有限公司 | Radiating fan which seat supporting bar has bevel wind-facing surface |
| US7332842B2 (en) * | 2003-09-11 | 2008-02-19 | Nidec Copal Corporation | Fan motor |
| TW200942149A (en) * | 2008-03-28 | 2009-10-01 | Foxconn Tech Co Ltd | Heat dissipation fan |
| CN101825094A (en) * | 2009-03-03 | 2010-09-08 | 建准电机工业股份有限公司 | Radiating fan |
| CN102086887A (en) * | 2009-12-08 | 2011-06-08 | 富准精密工业(深圳)有限公司 | Axial fan |
-
2012
- 2012-10-23 CN CN201210405973.4A patent/CN103775354B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2510655Y (en) * | 2001-10-12 | 2002-09-11 | 建准电机工业股份有限公司 | Radiating fan which seat supporting bar has bevel wind-facing surface |
| US7332842B2 (en) * | 2003-09-11 | 2008-02-19 | Nidec Copal Corporation | Fan motor |
| TW200942149A (en) * | 2008-03-28 | 2009-10-01 | Foxconn Tech Co Ltd | Heat dissipation fan |
| CN101825094A (en) * | 2009-03-03 | 2010-09-08 | 建准电机工业股份有限公司 | Radiating fan |
| CN102086887A (en) * | 2009-12-08 | 2011-06-08 | 富准精密工业(深圳)有限公司 | Axial fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103775354B (en) | 2016-08-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102788031B (en) | horizontal convection fan | |
| CN102562668B (en) | Fan module | |
| US8974195B2 (en) | Fan | |
| CN105022460A (en) | Thin-type cooling fan | |
| US8915698B2 (en) | Turbofan of air conditioning system | |
| CN103671250A (en) | Fan | |
| CN103225626B (en) | Centrifugal fan | |
| CN201972963U (en) | Fan module | |
| US20140219789A1 (en) | Centrifugal Fan | |
| CN202732471U (en) | Fan without shaft | |
| US20080095623A1 (en) | Counter-rotating fan | |
| CN101825094B (en) | Radiating fan | |
| CN204068565U (en) | The permagnetic synchronous motor of a kind of axial-flow leaf and application thereof | |
| CN203614459U (en) | Centrifugal fan | |
| CN103835965A (en) | Centrifugal cooling fan | |
| CN103573698A (en) | Horizontal convection fan and fan wheel thereof | |
| CN102207096B (en) | Radiating fan | |
| CN205013334U (en) | axial induction motor fan | |
| CN203051168U (en) | Centrifugal heat radiation fan | |
| CN103775354A (en) | Cooling fan | |
| CN204013075U (en) | Direct current permanent magnetic brushless motor | |
| CN106194832A (en) | Fluid drive apparatus and electronic equipment | |
| CN203655658U (en) | Thinned horizontal flow type fan with air volume gain effect | |
| CN203051172U (en) | Cooling fan | |
| CN103133407B (en) | horizontal convection fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20140507 Assignee: SUNON ELECTRONICS (KUNSHAN) Co.,Ltd. Assignor: Sunonwealth Electric Machine Industry Co.,Ltd. Contract record no.: 2018990000122 Denomination of invention: Back flow free low-noise radiation fan for computer Granted publication date: 20160831 License type: Common License Record date: 20180508 |
|
| 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: 20160831 |