CN105827046A - Motor and cooling fan with same - Google Patents

Motor and cooling fan with same Download PDF

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Publication number
CN105827046A
CN105827046A CN201510008362.XA CN201510008362A CN105827046A CN 105827046 A CN105827046 A CN 105827046A CN 201510008362 A CN201510008362 A CN 201510008362A CN 105827046 A CN105827046 A CN 105827046A
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CN
China
Prior art keywords
mentioned
metal base
central siphon
motor
plastic cement
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Granted
Application number
CN201510008362.XA
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Chinese (zh)
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CN105827046B (en
Inventor
洪银树
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Sunonwealth Electric Machine Industry Co Ltd
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Sunonwealth Electric Machine Industry Co Ltd
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Publication of CN105827046A publication Critical patent/CN105827046A/en
Application granted granted Critical
Publication of CN105827046B publication Critical patent/CN105827046B/en
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  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Motor Or Generator Cooling System (AREA)

Abstract

A motor includes a metal base, a stator and a rotor. The metal base is combined with a shaft connecting part, the stator is combined with the metal base, the rotor comprises a hub and a permanent magnet, the hub is rotatably combined with the shaft connecting part, and an air gap is formed between the permanent magnet and the stator; a radial rotation range is arranged between the hub and the metal base, a magnetic attraction range is arranged between the permanent magnet and the metal base, a transparent area positioned between the magnetic attraction range and the coupling part is arranged on the metal base in the radial rotation range, a connecting part is arranged in the transparent area, and the coupling part is combined with the connecting part; moreover, the motor can be applied to a heat dissipation fan. By means of the design of the permeable area, the weight of the motor can be effectively reduced.

Description

Motor and there is the radiator fan of motor
Technical field
The present invention is about a kind of motor and radiator fan, a kind of motor with metal base, and applies the radiator fan of this motor.
Background technology
Refer to shown in Fig. 1, be to disclose a kind of existing motor 9, this motor 9 comprises metal base 91, stator 92 and a rotor 93.There are a central siphon 911 in these metal base 91 central authorities;This stator 92 is incorporated into the outer perimeter wall of this central siphon 911;This rotor 93 comprises wheel hub 931 and a permanent magnet 932, this rotor 93 is rotatably engaged in this central siphon 911 by a rotating shaft 933, this permanent magnet 932 is arranged between the inner side perisporium of this wheel hub 931, and this permanent magnet 932 and this stator 92 has an air gap;Whereby, this motor 9 can be applicable to radiator fan, wherein this metal base 91 can be as shown in the figure as fan frame, this rotor 93 can be as impeller, when this radiator fan action, can input current to this stator 92, make this stator 92 can drive this rotor 93 spinning movement by this air gap, with guide air-flow produce radiating effect.
Referring again to shown in Fig. 1, in the axial direction of the rotating shaft 933 of above-mentioned rotor 93, there is between this wheel hub 931 and this metal base 91 radial rotary scope D1, owing to this permanent magnet 932 is arranged at the inner side perisporium of this wheel hub 931, therefore, this permanent magnet 932 is positioned at this radial rotary scope D1.Wherein there is between this permanent magnet 932 and this metal base 91 magnetic scope D2, this permanent magnet 932 in this magnetic scope D2 with this mutual magnetic of metal base 91;By this magnetic effect, this rotor 93 can be promoted to rotate smoothly.
For reaching the main purpose making this rotor 93 rotate smoothly, the most only must be in this magnetic scope D2, it is ensured that this permanent magnet 932 and this metal base 91 can mutual magnetic;But, in radial rotary scope D1 between this wheel hub 931 and this metal base 91, the metal base 91 of existing motor 9 is outside magnetic scope D2, but the most unnecessary metal material is used, therefore, easily increase extra cost, and the most relatively increase the overall weight of this motor 9, and do not meet economic benefit.
Summary of the invention
The most defined " transmission district " below the present invention refers to the naked empty position of metal base, this transmission district can be to design such as open-work etc., wherein, the present invention " transmission district " is only the position not using metal material, should " transmission district " can be still the open-work being coated with wholly or in part by plastic cement material, the present invention be any limitation as.
It is an object of the present invention to provide a kind of motor with metal base, can effectively save, under the precondition not affecting the magnetic attraction function that metal base is provided, the metal material that this metal base is used.
It is an object of the present invention to provide a kind of radiator fan, this radiator fan is to comprise the above-mentioned motor with metal base, and using this metal base as fan frame, can save the metal material that fan frame is used equally.
Motor of the present invention is to comprise a metal base, a stator and a rotor.This metal base combines an axis part;This stator is incorporated into this metal base;This rotor comprises a wheel hub and a permanent magnet, and this wheel hub is provided with a rotating shaft, and this rotating shaft is rotatably engaged in this axis part, and this permanent magnet is arranged at the inner side perisporium of this wheel hub, and has an air gap between this permanent magnet and this stator;Wherein, there is between above-mentioned wheel hub and above-mentioned metal base a radial rotary scope, there is between above-mentioned permanent magnet and this metal base a magnetic scope, in the range of this radial rotary, the transmission district that this metal base is provided with between magnetic scope and above-mentioned axis part, this transmission district is provided with a junction, and this axis part is incorporated into this connecting portion.
The present invention has the radiator fan of motor and is mainly provided with a side wall part in the outboard peripheries of above-mentioned metal base, and this side wall part is provided with an air intake vent and an air outlet, to constitute a fan frame structure;And it is provided with several blade, to constitute a fan wheel structure in the outer perimeter wall of the wheel hub of above-mentioned rotor.
Wherein, above-mentioned axis part is plastic cement central siphon.
Wherein, above-mentioned metal base is to arrange an open-work to form above-mentioned transmission district in central part, above-mentioned connecting portion is several ribs, one end of these several ribs is connected to the inner side perisporium of this open-work, these several ribs respectively have the free end of the center extension towards this transmission district, and above-mentioned plastic cement central siphon is integrated in the free end of these several ribs.
Wherein, the free end of above-mentioned several ribs is relative to each other.
Wherein, in the axial direction of above-mentioned axis part, the free end of above-mentioned several ribs is respectively equipped with an axially extended card projection, and above-mentioned plastic cement central siphon is coated with this several card projections.
Wherein, in the axial direction of above-mentioned axis part, the free end of above-mentioned several ribs is respectively equipped with an axially extended fin, and these several fin are respectively provided with a surface of the inside being exposed to this plastic cement central siphon.
Wherein, arranging arrangement at least one central siphon in above-mentioned plastic cement central siphon, the surface of above-mentioned several fin is connected to arrangement in this central siphon.
Wherein, in above-mentioned central siphon, arrangement is bearing.
Wherein, the surface of above-mentioned several fin trims with the inner side perisporium of above-mentioned plastic cement central siphon.
Wherein, above-mentioned metal base has the upper surface toward above-mentioned wheel hub, and this upper surface is corresponding to having a region area in this radial rotary scope, and the distribution area in above-mentioned transmission district preferably accounts for nine ten ten to percent 2 the percent of this region area.It is preferred that the distribution area in above-mentioned transmission district can account for ten to eight 13 the percent of this region area further.
As from the foregoing, motor of the present invention and there is the radiator fan of motor be respectively provided with above-mentioned metal base, this metal base is by the transmission district design of the radial rotary scope being positioned at above-mentioned wheel hub, can not affect between above-mentioned permanent magnet and this metal base under the precondition of mutual magnetic, effectively save the metal material that this metal base is used, to reduce cost and to reduce many effects such as overall weight.
Accompanying drawing explanation
Fig. 1: be the assembled sectional view of existing motor.
Fig. 2: be the three-dimensional exploded view of motor of the present invention.
Fig. 3: be the assembled sectional view of motor of the present invention.
Fig. 4: be the metal base of motor of the present invention stereo appearance figure when being provided with card projection.
Fig. 5: be the motor of the present invention assembled sectional view when being provided with card projection.
Fig. 6: be the motor of the present invention assembled sectional view when being provided with fin.
Fig. 7: be the motor applications of the present invention assembled sectional view when radiator fan.
[main element symbol description]
(present invention)
1 metal base
1a upper surface 11 axis part
12 transmission district 13 connecting portions
131 ribs 132 card projections
133 fin 14 side wall part
141 air intake vent 142 air outlets
2 stators
3 rotors
31 wheel hub 311 rotating shafts
32 permanent magnet 33 blades
Arrangement in 4 central siphons
D1 radial rotary scope D2 magnetic scope
(prior art)
9 motors
91 metal base 911 central siphons
92 stator 93 rotors
931 wheel hub 932 permanent magnets
933 rotating shafts
D1 radial rotary scope D2 magnetic scope.
Detailed description of the invention
For above-mentioned and other purpose, feature and the advantage of the present invention can be become apparent, presently preferred embodiments of the present invention cited below particularly, and coordinate institute's accompanying drawings, it is described in detail below:
Refer to shown in Fig. 2 and Fig. 3, motor of the present invention comprises metal base 1, stator 2 and a rotor 3.This metal base 1 is available for this stator 2 and this rotor 3 combines, and this stator 2 is in order to drive this rotor 3 spinning movement.
Above-mentioned metal base 1 is provided with an axis part 11;Wherein this metal base 1 is the various difform hardware that can combine for said stator 2 and above-mentioned rotor 3, and the axis part 11 of this metal base 1 can be metal central siphon or plastic cement central siphon, the present invention is not any limitation as, preferably plastic cement central siphon, for the setting utilizing plastic cement central siphon, and then promote the assembling of this axis part 11 and manufacture convenience, and save the metal material that this metal base 1 is used further.
Said stator 2 is incorporated into above-mentioned metal base 1, and this optional axis part 11 or surface of this metal base 1 being incorporated into this metal base 1 of stator 2, the present invention is not any limitation as.In the present embodiment, this stator 2 is sheathed on the outer perimeter wall of the axis part 11 of this metal base 1, wherein this stator 2 is the design of the various structure that this impeller 3 can be driven to rotate, such as: this stator 2 can comprise the components such as stalloy, coil, insulation sleeve or circuit board, for it will be understood by those skilled in the art that appearance does not repeats.
Above-mentioned rotor 3 comprises wheel hub 31 and a permanent magnet 32.This wheel hub 31 is provided with a rotating shaft 311, and this rotating shaft 311 is rotatably engaged in above-mentioned axis part 11;This permanent magnet 32 is arranged between the inner side perisporium of this wheel hub 31, and this permanent magnet 32 and said stator 2 has an air gap.
Refer to shown in Fig. 3, there is between above-mentioned wheel hub 31 and above-mentioned metal base 1 radial rotary scope D1, there is between above-mentioned permanent magnet 32 and this metal base 1 magnetic scope D2, in this radial rotary scope D1, the transmission district 12 that this metal base 1 is provided with between magnetic scope D2 and above-mentioned axis part 11, this transmission district 12 is provided with a junction 13, and this axis part 11 is incorporated into this connecting portion 13.In the present embodiment, this metal base 1 is to arrange an open-work to form this transmission district 12 in central part, this connecting portion 13 is several ribs 131, one end of these several ribs 131 is connected to the inner side perisporium of this open-work, these several ribs 131 respectively have the free end that the center (position, axis part 11 i.e. as depicted) towards this transmission district 12 extends, the free end of these several ribs 131 is relative to each other, and the free end of these several ribs 131 can be connected with each other or be not connected with, whereby, when this axis part 11 is plastic cement central siphon, injection molding method can be used, this plastic cement central siphon is made to be integrated in the free end of these several ribs 131, to constitute this axis part 11, and then promote assembling and manufacture convenience.
Refer to shown in Fig. 4 and Fig. 5, in the axial direction of above-mentioned axis part 11, the free end of above-mentioned several ribs 131 can be respectively equipped with an axially extended card projection 132, this card projection 132 is to form various concaveconvex structure as principle with the free end that can make several ribs 131, its shape is the present invention be not any limitation as, whereby, when this plastic cement central siphon is integrated in this several ribs 131, this plastic cement central siphon can be coated with this several card projections 132 further, to be effectively increased the linking steady character of plastic cement central siphon and these several ribs 131, and reach more preferably slip-off preventing effect.
Refer to shown in Fig. 6, the free end of above-mentioned several ribs 131 also can be respectively equipped with an axially extended fin 133, these several fin 133 are respectively provided with a surface of the inside being exposed to this plastic cement central siphon, and this surface preferably abuts arrangement 4 at least one central siphon being arranged in this plastic cement central siphon;For example, in this central siphon, arrangement 4 can be the bearing being installed in this plastic cement central siphon, the components such as wear plate or clasp sheet, the surface of these several fin 133 is preferably connected to this bearing, when being rotatably engaged for above-mentioned rotating shaft 311 due to this bearing, high heat it is easily generated during this rotating shaft 311 spinning movement, now, by the metal base 1 that thermal conduction effect is good, in making plastic cement central siphon, produced high heat can be conducted to other positions of metal base 1 being positioned at outside this plastic cement central siphon via this fin 133 and this several ribs 131 rapidly, to reach improving radiating effect and to improve effect of motor life.Also, it is preferred that wherein the inner surface of this fin 133 can trim with the inner side perisporium of this plastic cement central siphon, use nargin promoting space within this plastic cement central siphon.
Referring again to shown in Fig. 2 and Fig. 3, above-mentioned metal base 1 has the upper surface 1a toward above-mentioned wheel hub 31, this upper surface 1a (is i.e. positioned at the area in the range of the axis projection of wheel hub 31 corresponding to having a region area in this radial rotary scope D1, and comprise transmission district 12), the distribution area in this transmission district 12 preferably accounts for nine ten ten to percent 2 the percent of this region area, and preferably ten to eight 13 percent;Whereby, motor of the present invention can guarantee to have in magnetic scope D2 between above-mentioned permanent magnet 32 and this metal base 1 required magnetic area, and guarantee under the precondition that above-mentioned connecting portion 13 can consolidate combination with above-mentioned axis part 11, further with this transmission district 12 to efficiently reduce the metal material that this metal base 1 is used, and alleviate the overall weight of motor of the present invention.
During motor action of the present invention, input current to said stator 2, make this stator 2 can produce alternating magnetic field by the air gap between above-mentioned permanent magnet 32, in order to drive the spinning movement of above-mentioned rotor 3;Wherein by magnetic scope D2 between this permanent magnet 32 and above-mentioned metal base 1, this permanent magnet 32 and this metal base 1 can mutual magnetic, to promote this rotor 3 to rotate smoothly.
The present invention, based on said motor structure, can also further apply radiator fan as various in axial-flow type or blowing-type etc..In more detail, refer to shown in Fig. 7, the outboard peripheries of above-mentioned metal base 1 can be provided with a side wall part 14, and this side wall part is provided with air intake vent 141 and an air outlet 142, to constitute a fan frame structure;Also, the outer perimeter wall of the wheel hub 31 of this rotor 3 can be provided with several blade 33, to constitute a fan wheel structure.Whereby, when this stator 2 drives this rotor 3 spinning movement, these several blades 33 available import external air flow from this air intake vent 141, then derive from this air outlet 142, to provide heat radiation diversion function.
In sum, motor of the present invention and there is the radiator fan of motor be respectively provided with above-mentioned metal base 1, this metal base 1 designs by the transmission district 12 of radial rotary scope D1 being positioned at above-mentioned wheel hub 31, can not affect between above-mentioned permanent magnet 32 and this metal base 1 under the precondition of mutual magnetic, effectively save the metal material that this metal base 1 is used, to reduce cost and to reduce many effects such as overall weight.
Although the present invention has utilized above-mentioned preferred embodiment to disclose; so it is not limited to the present invention; any it is familiar with this those skilled in the art within without departing from the spirit and scope of the present invention; above-described embodiment carries out various change and amendment still belongs to the technology category that the present invention is protected relatively, and therefore protection scope of the present invention is when depending on being as the criterion that appending claims is defined.

Claims (22)

1. a motor, it is characterised in that comprise a: metal base, this metal base combines an axis part;One stator, this stator is incorporated into this metal base;One rotor, this rotor comprises a wheel hub and a permanent magnet, and this wheel hub is provided with a rotating shaft, and this rotating shaft is rotatably engaged in this axis part, and this permanent magnet is arranged at the inner side perisporium of this wheel hub, and has an air gap between this permanent magnet and this stator;Wherein, there is between above-mentioned wheel hub and above-mentioned metal base a radial rotary scope, there is between above-mentioned permanent magnet and this metal base a magnetic scope, in the range of this radial rotary, the transmission district that this metal base is provided with between magnetic scope and above-mentioned axis part, this transmission district is provided with a connecting portion, and this axis part is incorporated into this connecting portion.
2. motor as claimed in claim 1, it is characterised in that: above-mentioned axis part is plastic cement central siphon.
3. motor as claimed in claim 2, it is characterized in that: above-mentioned metal base is to arrange an open-work to form above-mentioned transmission district in central part, above-mentioned connecting portion is several ribs, one end of these several ribs is connected to the inner side perisporium of this open-work, these several ribs respectively have the free end of the center extension towards this transmission district, and above-mentioned plastic cement central siphon is integrated in the free end of these several ribs.
4. motor as claimed in claim 3, it is characterised in that: the free end of above-mentioned several ribs is relative to each other.
5. the motor as described in claim 3 or 4, it is characterised in that: in the axial direction of above-mentioned axis part, the free end of above-mentioned several ribs is respectively equipped with an axially extended card projection, and above-mentioned plastic cement central siphon is coated with this several card projections.
6. the motor as described in claim 3 or 4, it is characterized in that: in the axial direction of above-mentioned axis part, the free end of above-mentioned several ribs is respectively equipped with an axially extended fin, and these several fin are respectively provided with a surface of the inside being exposed to this plastic cement central siphon.
7. motor as claimed in claim 6, it is characterised in that: arranging arrangement at least one central siphon in above-mentioned plastic cement central siphon, the surface of above-mentioned several fin is connected to arrangement in this central siphon.
8. motor as claimed in claim 7, it is characterised in that: in above-mentioned central siphon, arrangement is bearing.
9. motor as claimed in claim 7, it is characterised in that: the inner surface of above-mentioned several fin trims with the inner side perisporium of above-mentioned plastic cement central siphon.
10. motor as claimed in claim 1, it is characterized in that: above-mentioned metal base has a upper surface toward above-mentioned wheel hub, this upper surface is corresponding to having a region area in this radial rotary scope, and the distribution area in above-mentioned transmission district accounts for nine ten ten to percent 2 the percent of this region area.
11. motors as claimed in claim 10, it is characterised in that: the distribution area in above-mentioned transmission district accounts for ten to eight 13 the percent of this region area.
12. 1 kinds of radiator fans, it is characterised in that comprise a: metal base, this metal base combines an axis part, and the outboard peripheries of this metal base is provided with a side wall part, and this side wall part is provided with an air intake vent and an air outlet;One stator, this stator is incorporated into this metal base;One rotor, this rotor comprises a wheel hub and a permanent magnet, the outer perimeter wall of this wheel hub is provided with several blade, and this wheel hub is provided with a rotating shaft, this rotating shaft is rotatably engaged in this axis part, this permanent magnet is arranged at the inner side perisporium of this wheel hub, and has an air gap between this permanent magnet and this stator;Wherein, there is between above-mentioned wheel hub and above-mentioned metal base a radial rotary scope, there is between above-mentioned permanent magnet and this metal base a magnetic scope, in the range of this radial rotary, the transmission district that this metal base is provided with between magnetic scope and above-mentioned axis part, this transmission district is provided with a connecting portion, and this axis part is incorporated into this connecting portion.
13. radiator fans as claimed in claim 12, it is characterised in that: above-mentioned axis part is plastic cement central siphon.
14. radiator fans as claimed in claim 13, it is characterized in that: above-mentioned metal base is to arrange an open-work to form above-mentioned transmission district in central part, above-mentioned connecting portion is several ribs, one end of these several ribs is connected to the inner side perisporium of this open-work, these several ribs respectively have the free end of the center extension towards this transmission district, and above-mentioned plastic cement central siphon is integrated in the free end of these several ribs.
15. radiator fans as claimed in claim 14, it is characterised in that: the free end of above-mentioned several ribs is relative to each other.
16. radiator fans as described in claims 14 or 15, it is characterised in that: in the axial direction of above-mentioned axis part, the free end of above-mentioned several ribs is respectively equipped with an axially extended card projection, and above-mentioned plastic cement central siphon is coated with this several card projections.
17. radiator fans as described in claims 14 or 15, it is characterized in that: in the axial direction of above-mentioned axis part, the free end of above-mentioned several ribs is respectively equipped with an axially extended fin, and these several fin are respectively provided with a surface of the inside being exposed to this plastic cement central siphon.
18. radiator fans as claimed in claim 17, it is characterised in that: arranging arrangement at least one central siphon in above-mentioned plastic cement central siphon, the surface of above-mentioned several fin is connected to arrangement in this central siphon.
19. radiator fans as claimed in claim 18, it is characterised in that: in above-mentioned central siphon, arrangement is bearing.
20. radiator fans as claimed in claim 17, it is characterised in that: the surface of above-mentioned several fin trims with the inner side perisporium of above-mentioned plastic cement central siphon.
21. radiator fans as claimed in claim 12, it is characterized in that: above-mentioned metal base has a upper surface toward above-mentioned wheel hub, this upper surface is corresponding to having a region area in this radial rotary scope, and the distribution area in above-mentioned transmission district accounts for nine ten ten to percent 2 the percent of this region area.
22. radiator fans as claimed in claim 21, it is characterised in that: the distribution area in above-mentioned transmission district accounts for ten to eight 13 the percent of this region area.
CN201510008362.XA 2014-12-30 2015-01-08 Motor and cooling fan with same Active CN105827046B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW103146324 2014-12-30
TW103146324A TWI543500B (en) 2014-12-30 2014-12-30 Motor and dissipation fan with the motor

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Publication Number Publication Date
CN105827046A true CN105827046A (en) 2016-08-03
CN105827046B CN105827046B (en) 2018-08-24

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CN201520010378.XU Withdrawn - After Issue CN204376573U (en) 2014-12-30 2015-01-08 Motor and cooling fan with same

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110518744A (en) * 2019-07-23 2019-11-29 高邮市申发电机制造有限公司 It is a kind of convenient for periodic maintenance and the good motor of heat insulation and heat control performance
CN111106698A (en) * 2018-10-29 2020-05-05 日本电产株式会社 Motor and reduction gear
CN111711298A (en) * 2017-06-21 2020-09-25 奇鋐科技股份有限公司 Fan, rotor and permanent magnetic element thereof
CN113572284A (en) * 2021-09-27 2021-10-29 太仓市华盈电子材料有限公司 Motor base and motor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI543500B (en) * 2014-12-30 2016-07-21 建準電機工業股份有限公司 Motor and dissipation fan with the motor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009189109A (en) * 2008-02-05 2009-08-20 Panasonic Corp Brushless motor
CN203453139U (en) * 2013-08-01 2014-02-26 李明烈 Fan with fan wheel pressed down by magnetic attraction
CN204376573U (en) * 2014-12-30 2015-06-03 建准电机工业股份有限公司 Motor and cooling fan with same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009189109A (en) * 2008-02-05 2009-08-20 Panasonic Corp Brushless motor
CN203453139U (en) * 2013-08-01 2014-02-26 李明烈 Fan with fan wheel pressed down by magnetic attraction
CN204376573U (en) * 2014-12-30 2015-06-03 建准电机工业股份有限公司 Motor and cooling fan with same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111711298A (en) * 2017-06-21 2020-09-25 奇鋐科技股份有限公司 Fan, rotor and permanent magnetic element thereof
CN111106698A (en) * 2018-10-29 2020-05-05 日本电产株式会社 Motor and reduction gear
CN110518744A (en) * 2019-07-23 2019-11-29 高邮市申发电机制造有限公司 It is a kind of convenient for periodic maintenance and the good motor of heat insulation and heat control performance
CN113572284A (en) * 2021-09-27 2021-10-29 太仓市华盈电子材料有限公司 Motor base and motor

Also Published As

Publication number Publication date
TWI543500B (en) 2016-07-21
CN105827046B (en) 2018-08-24
CN204376573U (en) 2015-06-03
TW201624887A (en) 2016-07-01

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