CN104074779A - Thin heat radiation fan with radial air gap motor and motor size selection method thereof - Google Patents
Thin heat radiation fan with radial air gap motor and motor size selection method thereof Download PDFInfo
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- CN104074779A CN104074779A CN201310127888.0A CN201310127888A CN104074779A CN 104074779 A CN104074779 A CN 104074779A CN 201310127888 A CN201310127888 A CN 201310127888A CN 104074779 A CN104074779 A CN 104074779A
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- heat radiation
- fan
- thin heat
- pole piece
- radiation fan
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- 230000005855 radiation Effects 0.000 title claims abstract description 81
- 238000010187 selection method Methods 0.000 title 1
- 238000000034 method Methods 0.000 claims abstract description 13
- 241000883990 Flabellum Species 0.000 claims description 5
- 238000006467 substitution reaction Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910000976 Electrical steel Inorganic materials 0.000 description 2
- 230000002964 excitative effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
- F04D25/0633—Details of the magnetic circuit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
- F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/16—Centrifugal pumps for displacing without appreciable compression
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49009—Dynamoelectric machine
Abstract
A thin heat radiation fan with a radial air gap motor is used for solving the problem that the existing fan size relation can not be suitable for the thin heat radiation fan. The thin type heat radiation fan with the radial air gap motor comprises a fan frame, a fan wheel and a stator set, wherein the fan frame is provided with a shaft connecting part, the fan wheel and the stator set are both arranged on the shaft connecting part, and the stator set can drive the fan wheel to rotate so as to generate air flow; in the axial direction of the thin heat radiation fan, the axial height is formed from the bottom surface of the axial connection part to the top surface of the hub of the fan wheel, the maximum axial thickness (B) is formed from the topmost surface to the bottommost surface of the magnetic pole piece group of the stator group, and the ratio (B/A) of the axial height to the bottommost surface of the magnetic pole piece group is 0.1-0.6. A method for selecting the size of radial air gap motor of thin heat dissipation fan is also disclosed.
Description
Technical field
The invention relates to a kind of radiation fan, especially a kind of radial air gap motor that is equiped with, and the thinner thin heat radiation fan with radial air gap motor of whole axial height, and the radial air gap motor size selecting method of thin heat radiation fan.
Background technique
In recent years, along with electronic product is lightening and high performance development trend, in electronic product when running,, the heating temperature of its electronic component improves, and adds the factors such as heat-dissipating space is limited, make electronic component be difficult for heat radiation, thereby easily produce the unsettled situation of usefulness, affect the reliability of electronic product, and cause functional characteristic to decline, cannot bring into play and work as even machine, therefore one of the important topic that will consider when heat radiation has become current design of electronic products.
Wherein, the mode that increase radiating efficiency is the most often used is installed radiation fan exactly in electronic product; wind dispelling effect by radiation fan forces air current flow; so that the high-temperature gas of electronic product inside is discharged; and be applicable to the radiation fan of light and thin type electronic product, conventionally can arrange in pairs or groups and select the thin heat radiation fan that whole axial height is thinner (bottom surface, axis part of its fan frame to the axial height of the wheel hub end face of impeller can be for example 2 to 4.5 millimeter).Yet, for thering is the thin heat radiation fan of radial air gap between the stator of its motor and rotor, while designing this thin heat radiation fan, though wish that the axial height that can reduce as much as possible radiation fan is to reach " thinning " object, if amassed young pathbreaker and cause motor usefulness not enough but be limited between stator and rotor sense magnetic surface, so that affect the problem of this thin heat radiation fan performance, therefore the thinning of thin heat radiation fan design still needs to consider the equilibrium relation with fan performance.
On the other hand, in the process of early stage design radiation fan, often by artificer's experience or the size of selecting motor and fanning frame by the mode of trial and error (try and error), and carry out again fan performance test after both arrange in pairs or groups assembling, until fan performance requirement up to specification; Namely, early stage Yin Mada there is no relation with selecting of fan frame size assortment and can follow, and increases many exploitation time-histories and labour on foot.For this reason, please refer to Fig. 1, it is the selecting method > > Patent Case of No. 101113737 < < fan of China's bulletin and motor dimension thereof, this fan 9 comprises a fan frame 91, an impeller 92 and a motor 93, this impeller 92 is placed in this fan frame 91, this motor 93 has a rotor structure 931 and a stator structure 932, and this stator structure 932 can drive this rotor structure 931 to rotate, to drive these impeller 92 rotations, produce air-flow; Wherein, selecting of the width Y of this fan frame 91 and the diameter X of this stator structure 932 is to meet relation (Y=13.25 X
1.4± 5%), and the ratio of the diameter X of this stator structure 932 and the width Y of this fan frame 91 be 0.25 to 0.5.Thus, by this relation, artificer can be rapidly and is correctly selected fan frame and the motor dimension of collocation, to shorten the time-histories of exploitation fan, and guarantees that this fan has good fan performance.
Yet, above-mentioned relation formula is only applicable to thickness and is more than or equal to 38 millimeters, and the width Y of fan frame 91 is between the fan of 4 to 12 centimeters, the bottom surface, axis part that this relation cannot being applicable to is fanned frame is to the axial height of the wheel hub end face of the impeller thin heat radiation fan in 2 to 4.5 millimeter.Moreover one of them parameter of this relation is the width of fan frame 91, but light is by fanning the width of frame 91 and cannot directly determining whole form of fanning frame 91, therefore, by this relation, may not necessarily correctly develop the fan with superperformance.
Summary of the invention
The object of this invention is to provide a kind of thin heat radiation fan with radial air gap motor, its fan member size conforms one preferred proportion, can produce suitable air quantity and blast when guaranteeing the running of this thin heat radiation fan, thereby have good fan performance.
Another object of the present invention is to provide a kind of radial air gap motor size selecting method of thin heat radiation fan, can be fast and correctly select the radial air gap motor matching, to guarantee that the thin heat radiation fan that is assembled with this motor can produce suitable air quantity and blast when operating, thereby there is good fan performance.
For reaching aforementioned object, the technology contents that the present invention uses includes:
A thin heat radiation fan with radial air gap motor, comprises: a fan frame, and this fan frame has an axis part; An impeller, connects a wheel hub by a rotating shaft and is also rotatably located at the axis part of this fan frame, and several flabellums are located on this wheel hub outer rim, and at least one magnetic element is located at the inner ring surface of this wheel hub; And a stator pack, thering is a pole piece group, this pole piece group is relative with this magnetic element, has a radial air gap between this pole piece group and this magnetic element; Wherein, this thin heat radiation fan axially on, the bottom surface of the axis part of this fan frame to the end face of the wheel hub of this impeller has an axial height (A), this axial height (A) is 2 to 4.5 millimeters, the end face of the pole piece group of this stator pack has a maximum axial thickness (B) between bottom surface, and both ratio (B/A) is 0.1～0.6.
Wherein, this ratio (B/A) is preferably 0.2～0.4.
Wherein, this pole piece group comprises at least one pole piece.
Wherein, the pole piece quantity of this pole piece group is several, and this maximum axial thickness (B) is from the pole piece end face in top to the axial distance between the pole piece bottom surface of bottommost.
Wherein, the height that this magnetic element makes progress at this thin heat radiation fan shaft can be less than or equal to the thickness that this pole piece group makes progress at this thin heat radiation fan shaft.
Wherein, the central position that this magnetic element makes progress at this thin heat radiation fan shaft, and the central position that makes progress at this thin heat radiation fan shaft of this pole piece group, the better same plane of radially extending that is positioned at this thin heat radiation fan.
The present invention separately provides a kind of radial air gap motor size selecting method of thin heat radiation fan, comprise: the end face of the pole piece group of a selected motor is to the ratio (B/A) of the wheel hub end face of maximum axial thickness (B) in the axial direction between bottom surface and bottom surface to, an axis part impeller of fan frame axial height (A) in the axial direction, and this ratio (B/A) is 0.1～0.6; And selected this axial height (A) or the value of this maximum axial thickness (B); By the selected ratio (B/A) of the value substitution of this axial height (A) or this maximum axial thickness (B), to convert, obtain the value of this maximum axial thickness (B) or this axial height (A); Wherein, this axial height (A) is 2 to 4.5 millimeters.
Wherein, this ratio (B/A) is preferably 0.2～0.4.
Accordingly, the thin heat radiation fan with radial air gap motor of the present invention can have good fan performance.And by the radial air gap motor size selecting method of thin heat radiation fan of the present invention, can be fast and correctly select the radial air gap motor matching for artificer, can produce suitable air quantity and blast when guaranteeing to be assembled with the thin heat radiation fan running of this motor, thereby there is good fan performance.
Accompanying drawing explanation
Fig. 1: the structural representation of existing fan.
Fig. 2: the side of first embodiment of the invention is cutd open structural drawing.
Fig. 3: the bottom surface, axis part of several fan frames to the axial height of the wheel hub end face of impeller is 4.5 millimeters and has the fan performance curve of the thin heat radiation fan of different ratios.
Fig. 4: the bottom surface, axis part of several fan frames to the axial height of the wheel hub end face of impeller is 2 millimeters and has the fan performance curve of the thin heat radiation fan of different ratios.
Fig. 5: the side of second embodiment of the invention is cutd open structural drawing.
(the present invention)
1 fan frame 11 axis parts
2 impeller 21 wheel hubs
22 rotating shaft 23 flabellums
24 magnetic elements
3 stator pack 31 pole piece groups
32 insulating bush group 33 coil groups
4 stator pack 41 insulating bushs
42 coil groups 43 pole piece groups
44 magnetic conduction central siphons
G radial air gap M1, M2 central position
S radially extends plane A axial height
B, B ' maximum axial thickness
(prior art)
9 fan 91 fan frames
92 impeller 93 motors
931 rotor structure 932 stator structures
Y width X diameter.
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. 2, it is the first preferred embodiment that the present invention has the thin heat radiation fan of radial air gap motor, this thin heat radiation fan comprises a fan frame 1, an impeller 2 and stator group 3 haply, this impeller 2 and stator pack 3 are all located in this fan frame 1, and this stator pack 3 can be ordered about this impeller 2 and be rotated to produce air-flow; Wherein, this thin heat radiation fan can be the forms such as axial flow fan or blast type fan, though the following act of the present invention blast type fan is that example describes, not as limit.
In embodiment as shown in Figure 2, above-mentioned fan frame 1 has an axis part 11; This impeller 2 is placed in this fan frame 1, this impeller 2 has a wheel hub 21, a rotating shaft 22, several flabellum 23 and at least one magnetic element 24, this rotating shaft 22 is to be rotatably located at the axis part of this fan frame 1 11, the better central position of being located at this wheel hub 21 of this rotating shaft 22, and the length of this rotating shaft 22 is greater than the maximum axial thickness of said stator group 3; These several flabellums 23 are located on the outer rim of this wheel hub 21,24 inner ring surfaces of being located at this wheel hub 21 of this magnetic element.This stator pack 3 is located at the axis part 11 of this fan frame 1, in order to drive this impeller 2 rotations.
In more detail, this stator pack 3 has a pole piece group 31, an insulating bush group 32 and a coil groups 33, and this pole piece group 31 comprises at least one pole piece, and this pole piece is to be made by material that can magnetic conduction, and this pole piece can be for example silicon steel plate; In the present embodiment, the pole piece quantity of this pole piece group 31 can be for several, and respectively this pole piece is and axially stacks setting, and this insulating bush group 32 is located at two axial end portions of this pole piece group 31,33 of this coil groups are radial windings and are wound in the predetermined position of this insulating bush group 32; Again, by this coil groups 33, be wound around the pole piece group 31 and insulating bush group 32 of combination, can select sheathed axis part 11 periphery walls that are incorporated into this fan frame 1, make this pole piece group 31 relative with the magnetic element 24 of this impeller 2, and maintain and there is a radial air gap G between the two, with by being subject to excitatory pole piece group 31 and this magnetic element 24 to produce magnetic action, cause this impeller 2 to produce rotation with respect to this fan frame 1.In addition,, for promoting the rotation usefulness of this impeller 2, the height that this magnetic element 24 makes progress at this thin heat radiation fan shaft, can select to be less than or equal to the thickness that this pole piece group 31 makes progress at this thin heat radiation fan shaft; Again and, this magnetic element 24 this thin heat radiation fan axially on central position M1, and this pole piece group 31 this thin heat radiation fan axially on central position M2, the better same planar S of radially extending that is positioned at this thin heat radiation fan.
Wherein, this thin heat radiation fan axially on, the bottom surface of the axis part 11 of this fan frame 1 to the end face of the wheel hub 21 of this impeller 2 has an axial height A, the end face of the pole piece group 31 of this stator pack 3 has a maximum axial thickness B (in the present embodiment between bottom surface, this maximum axial thickness B is in this pole piece group 31, from the pole piece end face in top to the axial distance between the pole piece bottom surface of bottommost), this maximum axial thickness B and this axial height A have a ratio (B/A).Please refer to Fig. 3,4, Fig. 3 is that bottom surface, axis part to the axial height of the wheel hub end face of impeller of several fan frames is 4.5 millimeters and has the fan performance curve of the thin heat radiation fan of different ratios, and Fig. 4 is that bottom surface, axis part to the axial height of the wheel hub end face of impeller of several fan frames is 2 millimeters and has the fan performance curve of the thin heat radiation fan of different ratios; From Fig. 3,4, when described ratio (B/A) is 0.1～0.6, during its corresponding thin heat radiation fan running, can produce suitable air quantity and blast, that is the thin heat radiation fan that meets this ratio (B/A) can have good fan performance really.Wherein, when the thin heat radiation fan that this ratio (B/A) is 0.2～0.4 operates, can produce higher air quantity and blast, to promote the fan performance of this thin heat radiation fan.
Accordingly, the present invention can provide a kind of radial air gap motor size selecting method of thin heat radiation fan, to comprise: according to the fan performance wanting to reach, the end face of the pole piece group of a selected motor is to the ratio (B/A) of the wheel hub end face of maximum axial thickness (B) in the axial direction between bottom surface and bottom surface to, the axis part impeller of fan frame axial height (A) in the axial direction, and this ratio (B/A) is 0.1～0.6; And selected this axial height (A) or the value of this maximum axial thickness (B); By the selected ratio (B/A) of the value substitution of this axial height (A) or this maximum axial thickness (B), to convert, obtain the value of this maximum axial thickness (B) or this axial height (A); Wherein, this axial height (A) is 2 to 4.5 millimeters.So, can be fast and correctly select the radial air gap motor matching, to guarantee to be assembled with the thin heat radiation fan of this motor, can produce suitable air quantity and blast when the running, thereby there is good fan performance.
Please refer to Fig. 5, it is the second preferred embodiment that the present invention has the thin heat radiation fan of radial air gap motor, in the second preferred embodiment, this thin heat radiation fan comprises a fan frame 1, an impeller 2 and stator group 4 haply, this impeller 2 and stator pack 4 are all located in this fan frame 1, and this stator pack 4 can be ordered about this impeller 2 and be rotated to produce air-flow; This second embodiment and aforementioned the first embodiment's Main Differences is: this stator pack 4 is the forms that present axial winding.
In more detail, this stator pack 4 comprises an insulating bush 41, one coil groups 42, one pole piece group 43 and a magnetic conduction central siphon 44, this coil groups 42 is axial winding and is wound in the predetermined position of this insulating bush 41, this pole piece group 43 comprises at least one pole piece, this pole piece is to be made by material that can magnetic conduction, this pole piece can be for example silicon steel plate, in the present embodiment, the pole piece quantity of this pole piece group 43 can be for several, these several pole pieces are located at respectively two axial end portions of this insulating bush 41, and the pole piece that is positioned at outermost end can also be provided with the axially extended extension part along this insulating bush 41, to increase the area relative with the magnetic element 24 of this impeller 2, this magnetic conduction central siphon 44 is arranged in the axis part 11 of this fan frame 1, and rotatably arrange for the rotating shaft 22 of this impeller 2, this pole piece group 43 and this insulating bush 41 are all socketed on the outer shroud side face of this magnetic conduction central siphon 44, and one end of this pole piece group 43 is connected to the end face of this axis part 11, make the extension part of the pole piece of this pole piece group 43 can be relative with the magnetic element 24 of this impeller 2, and maintain and there is a radial air gap G between the two, with by being subject to excitatory pole piece group 43 and this magnetic element 24 to produce magnetic action, cause this impeller 2 to produce rotation with respect to this fan frame 1.
Thin heat radiation fan as above, this thin heat radiation fan axially on, the bottom surface of the axis part 11 of this fan frame 1 to the end face of the wheel hub 21 of this impeller 2 has an axial height A, this axial height A is 2 to 4.5 millimeters, the end face of the pole piece group 43 of this stator pack 4 has a maximum axial thickness B between bottom surface ' (in the present embodiment, this maximum axial thickness B ' be in this pole piece group 43, from the pole piece end face in top to the axial distance between the pole piece bottom surface of bottommost), this maximum axial thickness B ' there is a ratio (B '/A) with this axial height A.When described ratio (B '/A) is between 0.1～0.6 time, the same of the thin heat radiation fan that it is corresponding can produce suitable air quantity and blast and have good fan performance in when running, and be that this ratio (B '/A) is that 0.2～0.4 thin heat radiation fan has higher air quantity and blast equally, to promote the fan performance of this thin heat radiation fan.
In sum, the thin heat radiation fan with radial air gap motor of the present invention, makes its fan member size conforms one preferred proportion, can produce suitable air quantity and blast when guaranteeing the running of this thin heat radiation fan, thereby have good fan performance.
The radial air gap motor size selecting method of thin heat radiation fan of the present invention, can be fast and correctly select the radial air gap motor matching, to guarantee that the thin heat radiation fan that is assembled with this motor can produce suitable air quantity and blast when operating, thereby there is good fan performance.
Claims (8)
1. a thin heat radiation fan with radial air gap motor, is characterized in that, it comprises:
A fan frame, this fan frame has an axis part;
An impeller, connects a wheel hub by a rotating shaft and is also rotatably located at the axis part of this fan frame, and several flabellums are located on this wheel hub outer rim, and at least one magnetic element is located at the inner ring surface of this wheel hub; And
A stator pack, has a pole piece group, and this pole piece group is relative with this magnetic element, has a radial air gap between this pole piece group and this magnetic element;
Wherein, this thin heat radiation fan axially on, the bottom surface of the axis part of this fan frame to the end face of the wheel hub of this impeller has an axial height (A), this axial height (A) is 2 to 4.5, the end face of the pole piece group of this stator pack has a maximum axial thickness (B) between bottom surface, and both ratio (B/A) is 0.1～0.6.
2. the thin heat radiation fan with radial air gap motor according to claim 1, is characterized in that, this ratio (B/A) is 0.2～0.4.
3. the thin heat radiation fan with radial air gap motor according to claim 1 and 2, is characterized in that, this pole piece group comprises at least one pole piece.
4. the thin heat radiation fan with radial air gap motor according to claim 3, it is characterized in that, the pole piece quantity of this pole piece group is several, and this maximum axial thickness (B) is from the pole piece end face in top to the axial distance between the pole piece bottom surface of bottommost.
5. the thin heat radiation fan with radial air gap motor according to claim 1 and 2, is characterized in that, the height that this magnetic element makes progress at this thin heat radiation fan shaft is less than or equal to the thickness that this pole piece group makes progress at this thin heat radiation fan shaft.
6. the thin heat radiation fan with radial air gap motor according to claim 5, it is characterized in that, the central position that this magnetic element makes progress at this thin heat radiation fan shaft, and the central position that makes progress at this thin heat radiation fan shaft of this pole piece group, be the same plane of radially extending that is positioned at this thin heat radiation fan.
7. the radial air gap motor size selecting method of a thin heat radiation fan, it is characterized in that, comprise: the end face of the pole piece group of a selected motor is to the ratio (B/A) of the wheel hub end face of maximum axial thickness (B) in the axial direction between bottom surface and bottom surface to, an axis part impeller of fan frame axial height (A) in the axial direction, and this ratio (B/A) is 0.1～0.6; And selected this axial height (A) or the value of this maximum axial thickness (B); By the selected ratio (B/A) of the value substitution of this axial height (A) or this maximum axial thickness (B), to convert, obtain the value of this maximum axial thickness (B) or this axial height (A); It is characterized in that, this axial height (A) is 2 to 4.5.
8. the radial air gap motor size selecting method of thin heat radiation fan according to claim 7, is characterized in that, this ratio (B/A) is 0.2～0.4.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102110731A TWI534358B (en) | 2013-03-26 | 2013-03-26 | Thin dissipating fan with a radial air gap motor and selecting method for motor size thereof |
| TW102110731 | 2013-03-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104074779A true CN104074779A (en) | 2014-10-01 |
| CN104074779B CN104074779B (en) | 2019-03-29 |
Family
ID=49502598
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320185443.3U Expired - Fee Related CN203272171U (en) | 2013-03-26 | 2013-04-12 | Thin heat radiation fan with radial air gap motor |
| CN201310127888.0A Active CN104074779B (en) | 2013-03-26 | 2013-04-12 | Thin heat radiation fan with radial air gap motor |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320185443.3U Expired - Fee Related CN203272171U (en) | 2013-03-26 | 2013-04-12 | Thin heat radiation fan with radial air gap motor |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140294620A1 (en) |
| CN (2) | CN203272171U (en) |
| TW (1) | TWI534358B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104895809B (en) * | 2015-02-13 | 2017-06-16 | 苏州佳世达电通有限公司 | Fan |
| CN104895810B (en) * | 2015-02-13 | 2017-06-16 | 苏州佳世达电通有限公司 | Electronic installation |
| US20180231009A1 (en) * | 2017-02-14 | 2018-08-16 | Delta Electronics, Inc. | Thin fan and thin-plate motor |
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| JP3159202B2 (en) * | 1999-03-15 | 2001-04-23 | 松下電器産業株式会社 | Flat vibration motor |
| JP2006246624A (en) * | 2005-03-03 | 2006-09-14 | Nippon Densan Corp | Spindle motor |
| JP5067167B2 (en) * | 2006-06-09 | 2012-11-07 | 日本電産株式会社 | Brushless motor and fan unit |
| JP2009024771A (en) * | 2007-07-19 | 2009-02-05 | Nippon Densan Corp | Bearing unit, motor fitted with this bearing unit and disk driving device |
| JP2012055075A (en) * | 2010-08-31 | 2012-03-15 | Nippon Densan Corp | Spindle motor and disk drive device |
| JP2013251937A (en) * | 2012-05-30 | 2013-12-12 | Nippon Densan Corp | Motor and fan |
-
2013
- 2013-03-26 TW TW102110731A patent/TWI534358B/en active
- 2013-04-12 CN CN201320185443.3U patent/CN203272171U/en not_active Expired - Fee Related
- 2013-04-12 CN CN201310127888.0A patent/CN104074779B/en active Active
-
2014
- 2014-02-07 US US14/174,897 patent/US20140294620A1/en not_active Abandoned
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|---|---|---|---|---|
| DE4143383A1 (en) * | 1991-07-03 | 1994-02-24 | Licentia Gmbh | Axial fan for condenser in vehicle air conditioning system |
| US20070114869A1 (en) * | 2005-11-22 | 2007-05-24 | Sunonwealth Electric Machine Industry Co., Ltd. | Fan device having an ultra thin-type structure with a minimum air gap for reducing an axial thickness |
| CN201528245U (en) * | 2009-09-15 | 2010-07-14 | 建准电机工业股份有限公司 | Motor and radiator fan with same |
| CN102025216A (en) * | 2009-09-15 | 2011-04-20 | 建准电机工业股份有限公司 | Motor and cooling fan with same |
| CN202488300U (en) * | 2012-02-06 | 2012-10-10 | 建准电机工业股份有限公司 | Power generating motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN203272171U (en) | 2013-11-06 |
| CN104074779B (en) | 2019-03-29 |
| TWI534358B (en) | 2016-05-21 |
| TW201437494A (en) | 2014-10-01 |
| US20140294620A1 (en) | 2014-10-02 |
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