CN103835968A - Cooling fan - Google Patents
Cooling fan Download PDFInfo
- Publication number
- CN103835968A CN103835968A CN201210567753.1A CN201210567753A CN103835968A CN 103835968 A CN103835968 A CN 103835968A CN 201210567753 A CN201210567753 A CN 201210567753A CN 103835968 A CN103835968 A CN 103835968A
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- China
- Prior art keywords
- cover plate
- fan
- plate portion
- fan frame
- impeller
- Prior art date
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Abstract
The invention discloses a cooling fan which comprises a fan frame, a stator set and a fan wheel. The fan frame comprises a base plate part and a cover plate part. A side wall part is arranged between the base plate part and the cover plate part, and at least one of the base plate part, the cover plate part and the side wall part is provided with an air inlet and an air outlet. The stator set is arranged in the fan frame. The fan wheel can be combined with the stator set in a rotating mode, the fan wheel can rotate within a radial range, and a minimum distance exists between the fan wheel and the cover plate part of the fan frame. At least one limiting part is arranged between the base plate part of the fan frame and the cover plate part and located outside the rotation range of the fan wheel. When the cooling fan is assembled in all types of electronic products, normal operation of the fan wheel can be guaranteed, and the assembling convenience can be improved.
Description
Technical field
The invention relates to a kind of radiation fan, especially a kind of radiation fan of guaranteeing that impeller runs well.
Background technique
Electronic product is generally towards direction research and development designs such as microminiaturized trend now; Wherein being installed in various electronic product, in order to the radiation fan of predetermined heat dissipation effect to be provided, must matching design be more compactization equally, can be applied to smoothly microminiaturized electronic equipment or electronic instrument.But, in the time that user uses this microminiaturization electronic product, may excessively oppress the radiation fan that is installed in this microminiaturization electronic product inside via the outside of this microminiaturization electronic product, cause producing friction noise, or even cause this radiation fan operation difficult.
For example, as shown in Figure 1, explanation is proposed as an example of microminiaturized electronic product mobile computer example.This mobile computer 80 has a housing 801, and this housing 801 has as the member such as panel or keyboard; Wherein these mobile computer 80 inside are equiped with existing radiation fan 8, and this radiation fan 8 comprises fan frame 81 and the upper cover 82 mutually combining, and these fan frame 81 inside arrange an impeller 83 of rotatable action; In the time that user knocks or presses the member such as panel or keyboard of housing 801 of this mobile computer 80, may cause the directly upper cover 82 of this radiation fan 8 of compressing of this housing 801,82 of this upper covers may further be oppressed this impeller 83, so will produce friction noise, or even cause this impeller 83 to run well, cause radiating effect not good, significantly reduced the working life of this mobile computer 80.
, please refer to shown in Fig. 2, be No. M417596 " radiation fan " new patent case of TaiWan, China for this reason, and this Patent Case discloses another kind of existing radiation fan 9.Wherein this radiation fan 9 roughly comprises a hollow staving 91, a fixing column 92, a stator 93, an impeller 94; This fixing column 92 has a fixed end 921 and a free end 922, and this fixed end 922 is fixed on this hollow staving 91, and this stator 93 is in conjunction with this hollow staving 91, this impeller 94 by a bearing 95 rotatably in conjunction with this fixing column 92; Whereby, this radiation fan 9 can be installed in the mobile computer inside with keyboard 96, and in the time that user knocks this keyboard 96, the root edge of this keyboard 96 can contact at the free end 922 of this fixing column 92, to avoid this keyboard 96 these impellers 94 of compressing, guarantee that this impeller 94 can run well.
But this radiation fan 9 must utilize the design of this fixing column 92, can avoid this keyboard 96 to urge this impeller 94; Therefore, this radiation fan 9 is installed in the process of mobile computer inside, it convexedly stretches in the free end 922 of the fixing column 92 of these radiation fan 9 outsides, will easily occupy the inner too much space of this mobile computer, causes the application efficiency of the inner assembling space of this mobile computer not good; Again, if when the axial height of this fixing column 92 is excessive, the free end 922 of this fixing column 92 especially inner associated components of easy and mobile computer forms interference phenomenon, and then promotes the assembling degree of difficulty of this radiation fan.
Summary of the invention
Main purpose of the present invention is to provide a kind of radiation fan, when this radiation fan is assembled in various electronic product inside, can effectively prevent that user from, via the outside excessively compressing of electronic product impeller, to prevent the noise that rubs, and guaranteeing that impeller can run well.
The present invention's time object is to provide a kind of radiation fan, and this radiation fan is easy to be assembled in various electronic product inside, and can not form interference or occupy too much space with the associated components of electronic product inside.
Radiation fan of the present invention at least comprises a fan frame, stator group, an impeller and at least one bounding means.This fan frame comprises a baseplate part and a cover plate portion, between this baseplate part and this cover plate portion, is provided with a side wall portion, and this baseplate part, cover plate portion and side wall portion wherein at least one position are provided with an intake grill and an exhaust outlet; This stator pack is arranged at this fan frame inside; This stator pack of the rotatable combination of this impeller, this impeller has a radial rotary scope, and has a minimum separable between this impeller and the cover plate portion of this fan frame; This at least one bounding means is arranged between the baseplate part of this fan frame and cover plate portion and is positioned at outside the rotating range of this impeller.
One end of described bounding means is in conjunction with the baseplate part of this fan frame, and the other end extends towards the cover plate portion direction of this fan frame; Or one end of this bounding means is in conjunction with the cover plate portion of this fan frame, the other end extends towards the baseplate part direction of this fan frame.
Described bounding means and this baseplate part and this cover plate portion wherein distance between at least one position (can be zero) are less than this minimum separable.
Described stator pack comprises an axle bed and a coil groups, this axle bed is arranged at the baseplate part of this fan frame, this coil groups is arranged at this axle bed outer periphery, this impeller comprises a rotor, a central shaft and a permanent magnet, the periphery of this rotor is provided with several blades, this central shaft is incorporated into the central position of this rotor, and this central shaft is rotatably in conjunction with this axle bed, this permanent magnet in conjunction with this rotor and and this coil groups between there is air gap.
The rotor of described impeller has the end face towards the cover plate portion of this fan frame, the distance between the end face that this minimum separable is this rotor and the cover plate portion of this fan frame.
The blade of described impeller has the leaf margin towards the cover plate portion of this fan frame, the distance between the leaf margin that this minimum separable is this blade and the cover plate portion of this fan frame.
The exhaust outlet of adjoining this fan frame of described bounding means; Or this bounding means is between a peripheral tangent line of this exhaust outlet and this radial rotary scope, this periphery tangent line refers to that this radial rotary scope is close to a tangent line of exhaust outlet.
The quantity of described bounding means is one or several.
Accompanying drawing explanation
Fig. 1 is that existing radiator fan device is in the cross-sectional schematic of mobile computer inside.
Fig. 2 is that existing radiator fan device is in the cross-sectional schematic of mobile computer inside.
Fig. 3 is the three-dimensional exploded view of first embodiment of the invention radiation fan.
Fig. 4 is the assembled sectional view of first embodiment of the invention radiation fan.
Fig. 5 is the three-dimensional exploded view of second embodiment of the invention radiation fan.
Fig. 6 is the assembled sectional view of second embodiment of the invention radiation fan.
Fig. 7 is that radiation fan of the present invention is in the cross-sectional schematic of mobile computer inside.
Fig. 8 is the cross-sectional schematic of the bounding means quantity of radiation fan of the present invention while being several.
[primary clustering symbol description]
(the present invention)
1 fan frame 11 baseplate part 12 cover plate portions
121 intake grill 13 side wall portion 131 exhaust outlets
2 stator pack 21 axle bed 22 coil groups
3 impeller 31 rotor 311 blades
312 end face 313 leaf margins
32 central shaft 33 permanent magnets
4,4 ' bounding means 5 electronic product 51 housings
D1 minimum separable D2 distance
W radial rotary scope
(prior art)
8 radiation fan 80 mobile computer 801 housings
81 fan frame 82 upper cover 83 impellers
9 radiation fan 91 hollow staving 92 fixing columns
921 fixed end 922 free end 93 stators
94 impeller 95 bearing 96 keyboards.
Embodiment
For above-mentioned and other object, feature and advantage of the present invention can be become apparent, preferred embodiment of the present invention cited below particularly, and coordinate appended accompanying drawing, be described in detail below:
Please refer to shown in Fig. 3, radiation fan of the present invention comprises a fan frame 1, stator group 2, an impeller 3 and at least one bounding means 4.This fan frame 1 is preferably and can axially imports and radial guiding goes out the centrifugal fan mount structure of air-flow; This stator pack 2 is incorporated into this fan frame 1 inside; This impeller 3 is rotatably incorporated into this stator pack 2, to drive these impeller 3 spinning movements by this stator pack 2.
This fan frame 1 can be the structural design of various geometrical shapies, such as polygon, circle or oval etc.; In this preferred embodiment, disclosing this fan frame 1 is tetragonal frame structure.
The fan frame 1 of preferred embodiment of the present invention comprises a baseplate part 11 and a cover plate portion 12, between this baseplate part 11 and this cover plate portion 12, has a spacing, for a side wall portion 13 is set between this baseplate part 11 and cover plate portion 12; Wherein this baseplate part 11, cover plate portion 12 and side wall portion 13 combination and molding mode each other is not restricted, in the present embodiment, this side wall portion 13 is integrated ejection formation and is incorporated into the outer periphery of this baseplate part 11, and this cover plate portion 12 is a cover plate, and this cover plate is incorporated into this side wall portion 13 removably.Moreover this baseplate part 11, cover plate portion 12 and side wall portion 13 wherein at least one position are provided with an intake grill and an exhaust outlet.
In preferred embodiment of the present invention, the cover plate portion 12 of this fan frame 1 is provided with this intake grill 121, and 13, this side wall portion is provided with this exhaust outlet 131; Wherein the setting position of this intake grill 121 and exhaust outlet 131 and quantity can coordinate the form of fanning frame to do to change, for example: in the time that this fan frame is horizontal convection fan frame, this intake grill and exhaust outlet can be arranged at the subtend position of this side wall portion 13 simultaneously; Or when this fan frame is while having the centrifugal fan frame of two inlet air functions, this intake grill is two, and is arranged at respectively the subtend position of this cover plate portion 12 and baseplate part 11.
The stator pack 2 of preferred embodiment of the present invention is arranged at this fan frame 1 inside, and between this baseplate part 11 and this cover plate portion 12; Wherein this stator pack 2 is various for after these impeller 3 combinations, in order to drive the structural design of these impeller 3 spinning movements.As shown in Figure 3, in the present embodiment, this stator pack 2 comprises an axle bed 21 and a coil groups 22.This axle bed 21 can one or can be incorporated into removably the baseplate part 11 of this fan frame 1, rotatably can comprise as members such as silicon steel plate, coil or insulating bushs in conjunction with this coil groups 22(for this impeller 3) be arranged at this axle bed 21 outer peripherys, in order to be electrically connected one drive circuit (not illustrating), to coordinate this coil groups 22 to drive these impeller 3 spinning movements; Wherein this stator pack 2 drives detailed construction composition and the operation principles of impeller 3 spinning movements not to repeat for it will be understood by those skilled in the art that appearance.
This impeller 3 is rotatably in conjunction with this stator pack 2, when wherein this impeller 3 is for various rotation, can produce the structural design of air-flow, again, as shown in Figure 4, this impeller 3 has a radial rotary scope W, and has a minimum separable D1 between this impeller 3 and the cover plate portion 12 of this fan frame 1.
In the present embodiment, this impeller 3 comprises a rotor 31, a central shaft 32 and a permanent magnet 33; This rotor 31 can be hub-like or flat moulding, and the periphery of this rotor 31 is provided with several blades 311; This central shaft 32 is incorporated into the central position of this rotor 31, and this central shaft 32 is rotatably in conjunction with the axle bed 21 of this stator pack 2; This permanent magnet 33, in conjunction with this rotor 31 and towards the coil groups 22 of this stator pack 2, makes to have air gap between this permanent magnet 33 and the coil groups 22 of this stator pack 2.
This bounding means 4 is arranged between the baseplate part 11 and cover plate portion 12 of this fan frame 1, please coordinate with reference to shown in Fig. 4, and this bounding means 4 is positioned at outside the radial rotary scope W of this impeller 3.In this preferred embodiment, this bounding means 4 and this baseplate part 11 and this cover plate portion 12 wherein the distance B 2(the present invention between at least one position in full the distance B 2 of indication can be also zero) be less than this minimum separable D1.
The bounding means 4 of preferred embodiment of the present invention roughly can be divided into following several mode of executions:
As shown in Figures 3 and 4, disclose the first embodiment's bounding means 4, one end of this bounding means 4 is in conjunction with the cover plate portion 12 of this fan frame 1, the other end extends axially towards the baseplate part 11 of this fan frame 1, better adjoining this exhaust outlet 131 of this bounding means 4, to further from the runner of this fan frame 1, avoid this bounding means 4 to affect the airflow of the runner of this fan frame 1; In addition, the combination of the cover plate portion 12 of one end of this bounding means 4 and this fan frame 1 can be metal stamping bending or the mode such as integrally moulded, and in the present embodiment, disclosing this cover plate portion 12 is metal cover board, and this bounding means 4 forms from this metal substrate punching press bending institute; Again, in the present embodiment, the rotor 31 of this impeller 3 has the end face 312 towards the cover plate portion 12 of this fan frame 1, and aforementioned minimum separable D1 refers to the distance between the end face 312 of this rotor 31 and the cover plate portion 12 of this fan frame 1; Whereby, the distance B 2 between this bounding means 4 and this baseplate part 11 is less than this minimum separable D1.
As shown in Figures 5 and 6, disclose the second embodiment's bounding means 4 ', one end of this bounding means 4 ' is in conjunction with the baseplate part 11 of this fan frame 1, the other end extends axially towards the cover plate portion 12 of this fan frame 1, this bounding means 4 ' is between this exhaust outlet 131 and a peripheral tangent line of this radial rotary scope W, and this periphery tangent line refers to that this radial rotary scope W is close to a tangent line of exhaust outlet 131; In addition, the combination of the baseplate part 11 of one end of this bounding means 4 ' and this fan frame 1 also can be metal stamping bending or the mode such as integrally moulded, and in the present embodiment, disclosing this baseplate part 11 is plastic base, and this bounding means 4 ' certainly this plastic base is integrally formed; Again, in the present embodiment, the blade 311 of this impeller 3 has the leaf margin 313 towards the cover plate portion 12 of this fan frame 1, and aforementioned minimum separable D1 refers to the distance between the leaf margin 313 of this blade 311 and the cover plate portion 12 of this fan frame 1; Whereby, the distance B 2 between this bounding means 4 ' and this cover plate portion 12 is less than this minimum separable D1.
Again, bounding means based on above-mentioned first and second embodiment 4,4 ' teaching, bounding means of the present invention 4,4 ' is mainly arranged between the baseplate part 11 of this fan frame 1 and cover plate portion 12 and is positioned at outside the radial rotary scope W of this impeller 3, this bounding means 4,4 ' is except can be in conjunction with the baseplate part of aforementioned this fan frame 1 11 and cover plate portion 12, other setting position that can reach identical object and function still can be covered by technological concept of the present invention, therefore, bounding means of the present invention 4,4 ' binding site are not restricted.For example, related domain has knows that the knowledgeable also can be incorporated into bounding means the side wall portion 13 of this fan frame 1 conventionally, conventionally knows that the knowledgeable is appreciated that and repeats no more explanation herein for related domain has.Please refer to shown in Fig. 7, take the first embodiment's radiation fan as example, radiation fan of the present invention, in the time that reality is used, can be loaded on housing 51 inside (as mobile computer) of an electronic product 5, and this housing 51 has as the member such as panel or keyboard; In the time that user knocks or presses the member such as panel or keyboard of housing 51 of this electronic product 5, be less than the structural design of this minimum separable D1 by the distance B 2 between this bounding means 4 and this baseplate part 11, even if this housing 51 is directly oppressed the cover plate portion 12 of radiation fan of the present invention, still can utilize this bounding means 4 to guarantee to there is spacing between this impeller 3 and this cover plate portion 12, this impeller 3 can be run well, and then promote the working life of this electronic product 5.
Again, same bounding means based on above-mentioned first and second embodiment 4,4 ' teaching, bounding means of the present invention 4,4 ' quantity can be at least one.For example, as shown in Figures 3 to 6, this bounding means 4,4 ' quantity are one; Or, as shown in Figure 8, the cover plate portion 12 that fans frames 1 take bounding means 4 combinations is as example, the quantity of this bounding means 4 also can be several (the second embodiment's bounding means 4 ' is also suitable for), between these several bounding meanss 4, there is spacing, whereby, this bounding means 4 can provide several somes support functions, to reach better anti-compressing effect.
In sum, radiation fan of the present invention really can be by this bounding means 4,4 ' structural design, while making this radiation fan be assembled in various electronic product 5 inside, can effectively prevent that user is via the outside excessively compressing of electronic product 5 impellers 3, to reach effect of guaranteeing that impeller can run well.
Again, radiation fan of the present invention more can utilize this bounding means 4,4 ' to be arranged between the baseplate part 11 and cover plate portion 12 of this fan frame 1, and is positioned at the structural design outside the radial rotary scope W of this impeller 3, prevents that this bounding means 4,4 ' from protruding from this fan frame 1 outside; Therefore, compared to existing radiation fan 9 as shown in Figure 2, radiation fan of the present invention is being installed in the process of electronic product 5 inside, can not occupy the inner too much space of electronic product 5, also be unlikely to form interference phenomenon with the inner associated components of electronic product 5, therefore, there is the effect that promotes assembling convenience.
Only as described above, be only preferred embodiment of the present invention, when not limiting the scope of the present invention with this; Therefore all simple equivalences of doing according to the present patent application the scope of the claims and description of the invention content change and modify, and all should be still covered by the present invention within the scope of the patent.
Claims (12)
1. a radiation fan, is characterized in that, it comprises:
A fan frame, comprises a baseplate part and a cover plate portion, between this baseplate part and this cover plate portion, is provided with a side wall portion, and this baseplate part, cover plate portion and side wall portion wherein at least one position are provided with an intake grill and an exhaust outlet;
A stator pack, is arranged at this fan frame inside;
An impeller, this stator pack of the combination that can rotate, this impeller has a radial rotary scope, and has a minimum separable between this impeller and the cover plate portion of this fan frame; And
At least one bounding means, is arranged between the baseplate part of this fan frame and cover plate portion and is positioned at outside the rotating range of this impeller.
2. radiation fan as claimed in claim 1, is characterized in that, one end of this bounding means is in conjunction with the baseplate part of this fan frame, and the other end extends towards the cover plate portion direction of this fan frame.
3. radiation fan as claimed in claim 1, is characterized in that, one end of this bounding means is in conjunction with the cover plate portion of this fan frame, and the other end extends towards the baseplate part direction of this fan frame.
4. the radiation fan as described in claim 1,2 or 3, is characterized in that, this bounding means and this baseplate part and this cover plate portion wherein distance between at least one position are less than this minimum separable.
5. radiation fan as claimed in claim 4, is characterized in that, this bounding means and this baseplate part and this cover plate portion wherein distance between at least one position are zero.
6. the radiation fan as described in claim 1,2 or 3, it is characterized in that, this stator pack comprises an axle bed and a coil groups, this axle bed is arranged at the baseplate part of this fan frame, this coil groups is arranged at this axle bed outer periphery, this impeller comprises a rotor, a central shaft and a permanent magnet, the periphery of this rotor is provided with several blades, this central shaft is incorporated into the central position of this rotor, this central shaft can be rotatably in conjunction with this axle bed, this permanent magnet in conjunction with this rotor and and this coil groups between there is air gap.
7. radiation fan as claimed in claim 6, is characterized in that, the rotor of this impeller has an end face towards the cover plate portion of this fan frame, the distance between the end face that this minimum separable is this rotor and the cover plate portion of this fan frame.
8. radiation fan as claimed in claim 7, is characterized in that, the blade of this impeller has a leaf margin towards the cover plate portion of this fan frame, the distance between the leaf margin that this minimum separable is this blade and the cover plate portion of this fan frame.
9. the radiation fan as described in claim 1,2 or 3, is characterized in that, the exhaust outlet of adjoining this fan frame of this bounding means.
10. the radiation fan as described in claim 1,2 or 3, is characterized in that, this bounding means is between a peripheral tangent line of this exhaust outlet and this radial rotary scope, and this periphery tangent line refers to that this radial rotary scope is close to a tangent line of exhaust outlet.
11. radiation fans as described in claim 1,2 or 3, is characterized in that, the quantity of this bounding means is one.
12. radiation fans as described in claim 1,2 or 3, is characterized in that, the quantity of this bounding means is several.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210567753.1A CN103835968B (en) | 2012-11-20 | 2012-12-24 | Cooling fan |
| TW102109009A TWI512203B (en) | 2012-11-20 | 2013-03-14 | Cooling fan |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220616701 | 2012-11-20 | ||
| CN201220616701.4 | 2012-11-20 | ||
| CN2012206167014 | 2012-11-20 | ||
| CN201210567753.1A CN103835968B (en) | 2012-11-20 | 2012-12-24 | Cooling fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103835968A true CN103835968A (en) | 2014-06-04 |
| CN103835968B CN103835968B (en) | 2017-02-08 |
Family
ID=48734130
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210567753.1A Active CN103835968B (en) | 2012-11-20 | 2012-12-24 | Cooling fan |
| CN 201220721078 Expired - Fee Related CN203051172U (en) | 2012-11-20 | 2012-12-24 | Cooling fan |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220721078 Expired - Fee Related CN203051172U (en) | 2012-11-20 | 2012-12-24 | Cooling fan |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN103835968B (en) |
| TW (1) | TWI512203B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917098A (en) * | 2016-10-07 | 2018-04-17 | 日本电产株式会社 | Fan motor |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103835968B (en) * | 2012-11-20 | 2017-02-08 | 昆山广兴电子有限公司 | Cooling fan |
| CN105471215B (en) * | 2016-01-15 | 2017-12-26 | 浙江三花智能控制股份有限公司 | Six groove three-phase external rotor brush-less fan motors of refrigerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2280165Y (en) * | 1996-11-06 | 1998-04-29 | 洪陈富英 | Super thin electric fan able to selecting blowing driection |
| CN101793265A (en) * | 2009-02-04 | 2010-08-04 | 昆山广兴电子有限公司 | Fan casing base |
| US20110063799A1 (en) * | 2008-05-15 | 2011-03-17 | Kazuyuki Takahasi | Fan and electronic device equipped with the same |
| US20120148394A1 (en) * | 2010-12-14 | 2012-06-14 | Delta Electronics, Inc. | Centrifugal fan |
| CN202360431U (en) * | 2011-12-06 | 2012-08-01 | 昆山广兴电子有限公司 | Fan capable of preventing vane from removing |
| CN203051172U (en) * | 2012-11-20 | 2013-07-10 | 昆山广兴电子有限公司 | Cooling fan |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003023281A (en) * | 2001-07-05 | 2003-01-24 | Toshiba Corp | Electric device incorporating heater and air-cooling type cooling device |
| TWI451834B (en) * | 2011-12-05 | 2014-09-01 | Sunonwealth Electr Mach Ind Co | An advection-type fan |
-
2012
- 2012-12-24 CN CN201210567753.1A patent/CN103835968B/en active Active
- 2012-12-24 CN CN 201220721078 patent/CN203051172U/en not_active Expired - Fee Related
-
2013
- 2013-03-14 TW TW102109009A patent/TWI512203B/en active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2280165Y (en) * | 1996-11-06 | 1998-04-29 | 洪陈富英 | Super thin electric fan able to selecting blowing driection |
| US20110063799A1 (en) * | 2008-05-15 | 2011-03-17 | Kazuyuki Takahasi | Fan and electronic device equipped with the same |
| CN101793265A (en) * | 2009-02-04 | 2010-08-04 | 昆山广兴电子有限公司 | Fan casing base |
| US20120148394A1 (en) * | 2010-12-14 | 2012-06-14 | Delta Electronics, Inc. | Centrifugal fan |
| CN202360431U (en) * | 2011-12-06 | 2012-08-01 | 昆山广兴电子有限公司 | Fan capable of preventing vane from removing |
| CN203051172U (en) * | 2012-11-20 | 2013-07-10 | 昆山广兴电子有限公司 | Cooling fan |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917098A (en) * | 2016-10-07 | 2018-04-17 | 日本电产株式会社 | Fan motor |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201420894A (en) | 2014-06-01 |
| CN203051172U (en) | 2013-07-10 |
| CN103835968B (en) | 2017-02-08 |
| TWI512203B (en) | 2015-12-11 |
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