CN105443431B - Bearing arrangement and its fan - Google Patents
Bearing arrangement and its fan Download PDFInfo
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- CN105443431B CN105443431B CN201410415926.7A CN201410415926A CN105443431B CN 105443431 B CN105443431 B CN 105443431B CN 201410415926 A CN201410415926 A CN 201410415926A CN 105443431 B CN105443431 B CN 105443431B
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Abstract
There is an impeller to connect a rotation axis for a kind of bearing arrangement and its fan, the fan, which there is a free end to be plugged in the bearing arrangement.There is the bearing arrangement its content of a central siphon to be equipped with a bearing element and one first magnetic element, which defines one first magnetic face diameter in face of the rotation axis.The impeller steady running is maintained by the bearing element and first magnetic element.
Description
[technical field]
A kind of bearing arrangement of the present invention, espespecially a kind of fan bearing structure of magnetism.
[background technique]
If Fig. 1 is to commonly use fan 10, there is a pedestal 11 to form a central siphon 111 protruded out, the outer sheath of central siphon 111 thereon
Stator group 12, one upper bearing (metal) 131 of setting and a lower bearing 132 in central siphon 111 are connect, and a protrusion 133 is located at metal (upper
131, it between 132, and is protruded out from an inner wall of central siphon 111 towards 111 center of central siphon, a spring 14 is arranged below the protrusion 133
And between the protrusion 133 and the lower bearing 132.One impeller 15 has the corresponding stator pack 12 of a rotor set 151, the impeller
15 one rotation axis 152 of connection, the rotation axis 152 have upper bearing (metal) 131 of the free end 1521 successively in the central siphon 111 and under
Bearing 132 to prevent the abjection of rotation stop moving axis 152, and enables the impeller 15 be pivoted on the base 11 then by 16 snapping of a retaining ring.When
Stator pack 12 enables the impeller 15 rotate and air is driven to flow after incuding with 151 excitation of rotor set, reach diversion effect.
But known techniques are often generated in an assembling process when retaining ring 16 to be snapped onto the free end 1521 of rotation axis 152
Needing to press on the lower bearing 132 causes the lower bearing 132 to weigh wounded, and lower bearing 132, which is weighed wounded, will cause the installation of lower bearing 132 not
It is good, cause unbalance loading and stress to be concentrated, running accuracy and service life is caused to decline.Therefore how to solve lower bearing 132 and weighed wounded production
Raw variety of problems is starting point of the invention.
[summary of the invention]
In view of the above problem, main purpose of the present invention provide it is a kind of using an at least magnetic element to improve known techniques
Lower bearing weighed wounded the bearing of generation the bearing arrangement of the variety of problems that bad and unbalance loading and stress are concentrated be installed.
Another object of the present invention, which provides a kind of bearing arrangement, has a central siphon, which is equipped with a bearing element and one
First magnetic element is arranged below the bearing element, which defines one first magnetic face diameter in face of a rotation
Axis maintains an impeller steady running and running accuracy by the bearing element and first magnetic element.
Another object of the present invention, which provides a kind of bearing arrangement, has a central siphon, which is equipped with a bearing element and magnetic
One first magnetic element and the second magnetic element that property is repelled each other, the setting of the first magnetic element perpendicular separation is in the bearing element
Lower section, the setting of the second magnetic element perpendicular separation maintain the impeller steady running below first magnetic element whereby
And running accuracy.
The magnetism that another object of the present invention provides an a kind of utilization at least magnetic element slows down the radial direction or diameter of a rotation axis
To the bearing arrangement for maintaining the impeller steady running and running accuracy with axial vibration.
Another object of the present invention, which provides a kind of fan, has a bearing arrangement, which there is a central siphon to be installed in it
There are a bearing element and one first magnetic element to be arranged below the bearing element, which defines one first magnetism
Face diameter maintains the impeller steady running by the bearing element and first magnetic element to a rotation axis is faced.
Another object of the present invention, which provides a kind of fan, has a bearing arrangement, which has a central siphon, the central siphon
Content is equipped with a bearing element and magnetic one first magnetic element and the second magnetic element to repel each other, first magnetic element are vertical
The setting at interval below the bearing element, the setting of the second magnetic element perpendicular separation below first magnetic element,
The impeller steady running and running accuracy are maintained whereby.
In order to achieve the above objectives, the present invention provides a kind of bearing arrangement, is plugged by a rotation axis, the rotation axis have one from
By holding, which includes: a central siphon, in have vertically disposed one first accommodating space and one second accommodating space and
One protrusion, the protrusion is between the first accommodating space and the second accommodating space, and from an inner wall of the central siphon towards the central siphon
One central horizontal protrudes out；The first accommodating space in the central siphon is arranged in one bearing element, has a bearing hole by the rotation axis
Free end run through；One first magnetic element, ring are located at the second accommodating space in the central siphon, have one first through hole by this
The free end of rotation axis is run through, first through hole, defines one first magnetic face diameter in face of the rotation axis, the first magnetic member
Part has a bottom side, defines one second magnetic face.
There is a free end to be located at horizontal one end protruded out for the protrusion, the free end define a coaxial aperture this first and second
Between accommodating space, and the coaxial aperture is connected to first accommodating space and second accommodating space.
One cramp of free end snapping or one second magnetic element of the rotation axis, second magnetic element have a third magnetic
Property face perpendicular separation correspond to the second magnetic face of first magnetic element；Wherein first magnetic element and second magnetic element
Magnetism be homopolarity, the second magnetic face and the third magnetism face generate mutual magnetic repulsion.
First magnetic element is an annular magnet.
Second magnetic element is a sheet annular magnet or c-type magnet.
The bearing has a first axis height, which there is one second axial height to be equal to or more than should
First axis height.
There is a gap to maintain the first magnetic face diameter between the magnetic face of the first of first magnetic element and the rotation axis
To septal surface to the rotation axis.
The two sides of the protrusion are respectively provided with a top surface and a bottom surface, which rests on the top surface of the protrusion, this
One magnetic element rests on the bottom surface of the protrusion.
There is a vertical range between the second magnetic face and third magnetism face.
The present invention provides a kind of fan, comprising: a pedestal；One impeller has a wheel hub and is formed in answering for hub periphery
One inside of number blade, the wheel hub is equipped with a rotor set, and a rotating bar has a fixing end and a free end, the fixing end
It is incorporated into the top surface on the inside of the wheel hub；One bearing arrangement includes: a central siphon, formed on the base, in have vertically set
One first accommodating space and one second accommodating space set and a protrusion, which is located at the first accommodating space and the second accommodating is empty
Between between, protruded out from a central horizontal of an inner wall towards the central siphon of the central siphon；One bearing element is arranged in the central siphon
There is one accommodating space a bearing hole to be run through by the free end of the rotation axis；One first magnetic element, ring are located in the central siphon
There is second accommodating space one first through hole to be run through by the rotation axis, first through hole define one first magnetic face diameter to
In face of the rotation axis, the magnetic face of a bottom portion defining one second for first magnetic element；Stator group is arranged on the base,
And it is set in corresponding rotor set in an outside of the central siphon, to drive the impeller to rotate.
There is a free end to be located at horizontal one end protruded out for the protrusion, the free end define a coaxial aperture this first and second
Between accommodating space, and the coaxial aperture is connected to first accommodating space and second accommodating space.
One cramp of free end snapping or one second magnetic element of the rotation axis, second magnetic element have a third magnetic
Property face perpendicular separation correspond to the second magnetic face of first magnetic element；Wherein first magnetic element and second magnetic element
Magnetism be homopolarity, the second magnetic face and the third magnetism face generate mutual magnetic repulsion.
First magnetic element is an annular magnet.
Second magnetic element is a sheet annular magnet or c-type magnet.
The bearing has a first axis height, which there is one second axial height to be equal to or more than should
First axis height.
There is a gap to maintain the first magnetic face diameter between the magnetic face of the first of first magnetic element and the rotation axis
To septal surface to the rotation axis.
The two sides of the protrusion are respectively provided with a top surface and a bottom surface, which rests on the top surface of the protrusion, this
One magnetic element rests on the bottom surface of the protrusion.
There is a vertical range between the second magnetic face and third magnetism face.
[Detailed description of the invention]
The purpose of following schema is to enable the invention to be more easily understood, and can encyclopaedize those schemas in this article,
And it is made to constitute some of specific embodiment.Through specific embodiment herein and corresponding schema is referred to, in order to detailed
The thin specific embodiment for explaining the present invention, and the action principle to illustrate invention.
1 figure is the section view combination diagram of known techniques；
Fig. 2A is the perspective exploded view of the first implementation of the invention；
Fig. 2 B is the section view decomposition diagram of the first implementation of the invention；
Fig. 2 C is the section view combination diagram of the first implementation of the invention；
Fig. 2 D is the central siphon schematic cross-sectional view of the first implementation of the invention；
Fig. 2 E is the bearing schematic cross-sectional view of the first implementation of the invention；
Fig. 2 F is the schematic cross-sectional view of the first magnetic element of the first implementation of the invention；
Fig. 2 G is the second magnetic face schematic diagram of the first magnetic element of the first implementation of the invention；
Fig. 2 H is the partial enlargement diagram of the 2nd figure；
Fig. 3 A is the perspective exploded view of the second implementation of the invention；
Fig. 3 B is the section view decomposition diagram of the second implementation of the invention；
Fig. 3 C is the section view combination diagram of the second implementation of the invention；
Fig. 3 D is the schematic diagram in the third magnetism face of the second magnetic element of the second implementation of the invention；
Fig. 4 A is the first magnetic element of the invention and the first schematic diagram that the second magnetic element magnetism is repelled each other；
Fig. 4 B is the first magnetic element of the invention and the second schematic diagram that the second magnetic element magnetism is repelled each other.
The corresponding component name of each appended drawing reference in figure are as follows:
20 fans
21 pedestals
22 impellers
221 wheel hubs
2211 top surfaces
222 plural blades
223 rotor sets
224 rotation axis
2241 fixing ends
2242 free ends
22421 grooves
23 bearing arrangements
231 central siphons
2311 first accommodating spaces
2312 second accommodating spaces
2313 protrusions
23131 free ends
22421 grooves
23132 coaxial apertures
23133 top surfaces
23134 bottom surfaces
2314 inner walls
232 bearing elements
2321 upsides
2322 downsides
2323 bearing holes
Y1 first axis height
233 first magnetic elements
2331 top sides
2332 bottom sides
2333 first through holes
The second axial height of Y2
2334 first magnetic faces
2335 second magnetic faces
24 stator packs
25 fan frames
26 retaining rings
27 second magnetic elements
271 third magnetism faces
Y3 vertical range
28 gaps
[specific embodiment]
Hereinafter with reference to correlative type, illustrate preferably implementation of the invention, wherein identical element will be accorded with identical element
It number is illustrated.
Such as the perspective exploded view that Fig. 2A is the first implementation of the invention；Fig. 2 B is that the section view of the first implementation of the invention is decomposed
Schematic diagram；Fig. 2 C is the section view combination diagram of the first implementation of the invention；Fig. 2 D is that the central siphon section view of the first implementation of the invention is shown
It is intended to；Fig. 2 E is the bearing schematic cross-sectional view of the first implementation of the invention；Fig. 2 F is the first magnetic element of the first implementation of the invention
Schematic cross-sectional view；Fig. 2 G is the second magnetic face schematic diagram of the first magnetic element of the first implementation of the invention；Fig. 2 H is the 2nd figure
Partial enlargement diagram.
As shown in above-mentioned each figure, fan 20 includes a pedestal 21, an impeller 22, a bearing arrangement 23 and stator group 24.
The central location of a fan frame 25 is arranged in the pedestal 21, which has a wheel hub 221 and plural blade 222, this waits blades
The 222 radial peripheries for being formed in wheel hub 221.It is for example but unlimited that there is the wheel hub 221 inside to be equipped with a rotor set 223
It is made as annular magnet, the top surface 2211 on the inside of this is equipped with a rotation axis 224.The rotation axis 224 have a fixing end 2241 and
One free end 2242, the fixing end 2241 are incorporated into the top surface 2211 of 221 inside of wheel hub, which has a groove
22421, in the rotation axis 224 of the invention preferably by magnetic metal material such as pure iron, mild steel, iron aluminium, iron silicon, iron nickel, iron
Cobalt alloy, ferrite, nickel or cobalt etc. are made.
The bearing arrangement 23 includes a central siphon 231, a bearing element 232 and one first magnetic element 233.Together with reference to figure
2 D, the central siphon 231 are formed on the pedestal 21 and protrude out upward, and central siphon 231 is that hollow structure has in it and is vertically arranged
One first accommodating space 2311 of (setting up and down) and one second accommodating space 2312 and a protrusion 2313.The protrusion 2313 is located at
Between first accommodating space 2311 and the second accommodating space 2312, and from an inner wall 2314 of the central siphon 23 towards the one of the central siphon 23
Central horizontal protrudes out.One free end 23131 is located at one end that 2313 level of protrusion protrudes out, which defines together
Axis hole 23132 is between first accommodating space 2311 and the second accommodating space 2312, the coaxial aperture 23132 connection first appearance
2311 and second accommodating space 2312 between emptying.The two opposite sides of the protrusion 2313 are respectively provided with a top surface 23133 towards this
First accommodating space 2311 and a bottom surface 23134 are towards second accommodating space 2312.
Fig. 2 E is referred to together, and the axial direction of the bearing element 232 has opposite a upside 2321 and a downside 2322, an axis
Bearing bore 2323 extends through downside 2322 from the upside 2321, and a first axis height Y1 is defined at the upside 2321 and downside
Between 2322.The bearing element 232 is arranged in the first accommodating space 2311 of the central siphon 231, and the downside 2322 is enabled to rest against
In the top surface 23133 of the protrusion 2313, which is run through by the free end 2242 of the rotation axis 224, rotation axis 224 with
Between the bearing hole 2323 preferably tight fit (such as Fig. 2 H), and rotation axis 224 by the support of the bearing element 232 with hang down
It is straight to stand in the central siphon 231.Bearing element 232 for example but is not limited to ball bearing, roller bearing, needle bearing or oil-containing
Bearing etc..
Refer to Fig. 2 F together, which has opposite a top side 2331 and a bottom side 2332, and one first
Through hole 2333 extends through downside 2332 from the upside 2331, and one second axial height Y2 is defined at the upside 2331 under
Between side 2332.First magnetic element, 233 ring is located in the second accommodating space 2312 of the central siphon 231, and enables the top side
2331 rest on the bottom surface 23134 of the protrusion 2313.First through hole 2331 is passed through by the free end 2242 of the rotation axis 224
It wears.And the outside that one first magnetic face 2334 is looped around the rotation axis 224, a gap are defined in the inside of first through hole 2331
28 there are between the first magnetic face 2334 and the outer surface of the rotation axis 224 (such as Fig. 2 H), to enable the first magnetic face 2334
Spaced radial faces the outer surface of the rotation axis 224.Define one second magnetism in one bottom side 2332 of first magnetic element 2332
Face 2335(Fig. 2 G).First magnetic element 2332 for example but is not limited to an annular magnet, and the of its outer diameter and central siphon 231
Two accommodating spaces 2312 are preferably tight fit.
It should be particularly noted that, the second axial height Y2 of first magnetic element 233 is equal to or more than the bearing element
232 first axis height Y1, therefore the axial direction of the corresponding rotation axis 224 of first magnetic element 233 has a length appropriate,
If the second axial height Y2 of namely the first magnetic element 233 is longer, the axial length of the rotation axis 224 corresponded to is more,
Magnetic action is bigger in the exterior surface area of rotation axis 224.
The stator pack 24 is arranged on the pedestal 21, and is set in corresponding rotor set in an outside of the central siphon 231
223, stator pack 24 includes that plural silicon steel sheet stacks to form silicon steel sheet group and coiling group winds the silicon steel sheet group and circuit board connection
The coiling group is used and stator pack 24 is enabled to generate galvanomagnetic-effect when being powered.
When fan 20 assembles, the free end 2242 of such rotation axis 224 is enabled to run through the bearing element in central siphon 231 successively
Project to second space 2312 after first through hole 2333 of 232 bearing hole 2323 and the first magnetic element 2332, then by
The c-type retaining ring of plastic cement or metal material for example but is not limited to by a retaining ring 26, be located in the groove 22421 of the free end 2242
To prevent the abjection of rotation stop moving axis 224.Rotation axis 224 is by the support of the bearing element 232 and the first magnetic element 2332 to stand
In central siphon 231, while the impeller 22 of the fixing end 2241 of rotation axis 224 is hubbed on pedestal 21, and enables the rotor set 223
The corresponding stator pack 224 generates galvanomagnetic-effect when stator pack 24 is powered and the impeller 223 is driven to rotate.
Since the bearing element 232 is supported adjacent at the position of fixing end 2241 of rotation axis 224, and by the first magnetic
Property element 233 correspond to 224 middle section of rotation axis or posterior segment position, with using the first magnetic element 233 magnetic cushion rotate
Generated radial vibration when rotating of axis 224, and then the stability for keeping impeller 22 to operate.Because utilizing the first magnetic element
233 replace the lower bearing of known techniques, so improving the variety of problems that lower bearing during known fan assembling weighs generation wounded.
It is the perspective exploded view of the second implementation of the invention please continue to refer to Fig. 3 A；Fig. 3 B is the second implementation of the invention
Section view decomposition diagram；Such as the section view combination diagram that Fig. 3 C is the second implementation of the invention；Fig. 3 D is the second implementation of the invention
The schematic diagram in the third magnetism face of the second magnetic element；Fig. 4 A is that the first magnetic element and the second magnetic element of the invention are magnetic
The first schematic diagram to repel each other；Fig. 4 B is the first magnetic element of the invention and the second schematic diagram that the second magnetic element magnetism is repelled each other.
The structure of this preferable implementation and connection are closed as shown in the figure and its effect is substantially identical as aforementioned first preferred embodiment, identical member
Part is indicated with identical symbol, therefore is not repeated again herein, and second preferably implements to be in the first difference preferably implemented in this
The bearing hole 2323 and the first magnetic element of the bearing element 232 in central siphon 231 are run through in the free end 2242 of rotation axis 224 successively
Second space 2312 is projected to after 2332 the first through hole 2333, then be located in the freedom by one second magnetic element 27
The groove 22421 at end 2242.Second magnetic element 27 for example but is not limited to a sheet annular magnet or c-type magnet, the second magnetic
Property element 27 there is second magnetic face 2335 of the third magnetism face 271 in face of first magnetic element 233.Because of second magnetic
Property face 2335 and third magnetism face 271 between have a vertical range Y3, therefore the second 2335 perpendicular separation of magnetic face correspond to this
Three magnetic faces 271.
It is for example all the pole N (as schemed that especially the magnetism of first magnetic element 233 and second magnetic element 26, which is homopolarity,
4A) or the pole S (such as Fig. 4 B), so the of the second magnetic face 2335 of first magnetic element 233 and second magnetic element 27
Three magnetic faces 271 generate mutual magnetic repulsion.Because the first magnetic face 2335 is mutual in the magnetism axially generated with third magnetism face 271
Reprimand, therefore energy generated axial vibration when effectively damped rotation axis 224 rotates.So preferably implementing to utilize the axis second
It holds element 232 to be supported adjacent at the position of fixing end 2241 of rotation axis 224, and is corresponded to by the first magnetic element 233
224 middle section of rotation axis or posterior segment position, to be produced when being rotated using the magnetic cushion rotation axis 224 of the first magnetic element 233
Raw radial vibration, and the third in the second magnetic face 2335 and second magnetic element 27 by first magnetic element 233
Magnetic face 271 is axially generating mutual magnetic repulsion, therefore energy generated axial vibration when effectively damped rotation axis 224 rotates,
And then the stability for keeping impeller 22 to operate, and then improve lower bearing during known fan assembling and weigh the various of generation wounded and ask
Topic.
In conclusion the present invention slows down the radial direction or radial direction and axis of the rotation axis using the magnetism of at least one magnetic element
To vibration, with magnetic element displacement known techniques lower bearing, to improve the axis that the lower bearing of known techniques is weighed wounded generation
The variety of problems for installing bad and unbalance loading and stress concentration is held, reaches and maintains the impeller steady running and running accuracy.
Although the present invention is disclosed above with embodiment, however, it is not to limit the invention, any to be familiar with this those skilled in the art,
Without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations, therefore the protection scope of the present invention is when view
Subject to the determined person of appended claims.
Claims (10)
1. a kind of bearing arrangement is plugged by a rotation axis, which has a free end, which is characterized in that the bearing arrangement
Include:
One central siphon, it is interior that there is vertically disposed one first accommodating space and one second accommodating space and a protrusion, protrusion position
Between the first accommodating space and the second accommodating space, and the central horizontal from an inner wall of the central siphon towards the central siphon protrudes out；
The first accommodating space in the central siphon is arranged in one bearing element, has a first axis height, a bearing hole is by this turn
The free end of moving axis is run through；
One first magnetic element, ring are located at the second accommodating space in the central siphon, have and are greater than or equal to the first axis height
One second axial height, one first through hole run through by the free end of the rotation axis, which defines one first magnetic
Property face diameter to face the rotation axis, a gap exist this first magnetism face and the outer surface of the rotation axis between, enable first magnetic
Property face diameter to septal surface to the outer surface of the rotation axis, which has a bottom side, defines one second magnetic face；
Wherein one second magnetic element of free end snapping of the rotation axis, second magnetic element have a third magnetism face vertical
It is spaced the second magnetic face of corresponding first magnetic element；Wherein the magnetism of first magnetic element and second magnetic element is
Homopolarity, the second magnetic face and the third magnetism face generate mutual magnetic repulsion；Have one between the second magnetic face and third magnetism face
Vertical range.
2. bearing arrangement according to claim 1, which is characterized in that wherein the protrusion there is a free end to be located at horizontal convex
A coaxial aperture is defined between first and second accommodating space in the one end stretched, the free end, and the coaxial aperture is connected to first accommodating
Space and second accommodating space.
3. bearing arrangement according to claim 1, which is characterized in that wherein first magnetic element is an annular magnet.
4. bearing arrangement according to claim 3, which is characterized in that wherein second magnetic element is a sheet annular magnetic
Iron or c-type magnet.
5. bearing arrangement according to claim 1, which is characterized in that wherein the two sides of the protrusion be respectively provided with a top surface and
One bottom surface, the bearing element rest on the top surface of the protrusion, which rests on the bottom surface of the protrusion.
6. a kind of fan characterized by comprising
One pedestal；
One impeller has a wheel hub and is formed in the plural blade of hub periphery, and an inside of the wheel hub is equipped with a rotor set,
And one rotating bar there is a fixing end and a free end, which is incorporated into the top surface on the inside of the wheel hub；
One bearing arrangement includes:
One central siphon is formed on the base, in have vertically disposed one first accommodating space and one second accommodating space and
One protrusion, the protrusion is between the first accommodating space and the second accommodating space, from an inner wall of the central siphon towards the one of the central siphon
Central horizontal protrudes out；
The first accommodating space in the central siphon is arranged in one bearing element, has a first axis height, a bearing hole is by this turn
The free end of moving axis is run through；
One first magnetic element, ring are located at the second accommodating space in the central siphon, have and are greater than or equal to the first axis height
One second axial height, one first through hole run through by the rotation axis, first through hole define one first magnetic face diameter to
In face of the rotation axis, a gap there are between the first magnetic face and the outer surface of the rotation axis, enable the first magnetic face diameter to
Outer surface of the septal surface to the rotation axis, the magnetic face of a bottom portion defining one second for first magnetic element；
Stator group, setting on the base, and is set in corresponding rotor set in an outside of the central siphon, to drive the impeller to turn
It is dynamic；
Wherein one second magnetic element of free end snapping of the rotation axis, second magnetic element have a third magnetism face vertical
It is spaced the second magnetic face of corresponding first magnetic element；Wherein the magnetism of first magnetic element and second magnetic element is
Homopolarity, the second magnetic face and the third magnetism face generate mutual magnetic repulsion；Have one between the second magnetic face and third magnetism face
Vertical range.
7. fan according to claim 6, which is characterized in that wherein there is a free end to be located at what level protruded out for the protrusion
One end, which defines a coaxial aperture between first and second accommodating space, and the coaxial aperture is connected to first accommodating space
And second accommodating space.
8. fan according to claim 6, which is characterized in that wherein first magnetic element is an annular magnet.
9. fan according to claim 8, which is characterized in that wherein second magnetic element be a sheet annular magnet or
C-type magnet.
10. fan according to claim 6, which is characterized in that wherein the two sides of the protrusion are respectively provided with a top surface and one
Bottom surface, the bearing element rest on the top surface of the protrusion, which rests on the bottom surface of the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415926.7A CN105443431B (en) | 2014-08-22 | 2014-08-22 | Bearing arrangement and its fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415926.7A CN105443431B (en) | 2014-08-22 | 2014-08-22 | Bearing arrangement and its fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105443431A CN105443431A (en) | 2016-03-30 |
| CN105443431B true CN105443431B (en) | 2019-05-03 |
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| CN201410415926.7A Active CN105443431B (en) | 2014-08-22 | 2014-08-22 | Bearing arrangement and its fan |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837865A (en) * | 2016-10-28 | 2017-06-13 | 奇鋐科技股份有限公司 | Non- equal circumference fan structure |
| US10260508B2 (en) | 2016-12-05 | 2019-04-16 | Asia Vital Components Co., Ltd. | Fan structure with non-circular circumference |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101046206A (en) * | 2006-03-31 | 2007-10-03 | 建准电机工业股份有限公司 | Heat dissipating fan |
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| FR2489449A1 (en) * | 1980-09-02 | 1982-03-05 | Thyssen Edelstahlwerke Ag | Permanent magnet shaft bearing - has separate magnet rings with non-magnetic spacer collars in concentric races |
| US7105967B2 (en) * | 2000-11-10 | 2006-09-12 | Delta Electronics Inc. | Heat dissipating device with a combination bearing assembly having magnetic bearing rings and a sleeve bearing |
| US6849978B2 (en) * | 2002-02-05 | 2005-02-01 | Delta Electronics, Inc. | Motor having a magnetic bearing |
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| CN105443431A (en) | 2016-03-30 |
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