CN204376573U - Motor and cooling fan with same - Google Patents

Motor and cooling fan with same Download PDF

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Publication number
CN204376573U
CN204376573U CN201520010378.XU CN201520010378U CN204376573U CN 204376573 U CN204376573 U CN 204376573U CN 201520010378 U CN201520010378 U CN 201520010378U CN 204376573 U CN204376573 U CN 204376573U
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CN
China
Prior art keywords
mentioned
metal base
central siphon
motor
plastic cement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN201520010378.XU
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Chinese (zh)
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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Filing date
Publication date
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Application granted granted Critical
Publication of CN204376573U publication Critical patent/CN204376573U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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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 utility model is about a kind of motor and radiator fan, especially a kind of motor with metal base, and applies the radiator fan of this motor.
Background technology
Please refer to shown in Fig. 1, be 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 incorporated into this central siphon 911 by a rotating shaft 933, this permanent magnet 932 is arranged at the inner side perisporium of this wheel hub 931, and has an air gap between this permanent magnet 932 and this stator 92; Whereby, this motor 9 can be applicable to radiator fan, wherein this metal base 91 can as shown in the figure as fan frame, this rotor 93 can be used as impeller, when this radiator fan action, can input current to this stator 92, make this stator 92 drive this rotor 93 spinning movement by this air gap, with air-guiding produce radiating effect.
Shown in Fig. 1, above-mentioned rotor 93 rotating shaft 933 axially, there is a radial rotary scope D1, because this permanent magnet 932 is arranged at the inner side perisporium of this wheel hub 931 between this wheel hub 931 and this metal base 91, therefore, this permanent magnet 932 is positioned at this radial rotary scope D1.Wherein between this permanent magnet 932 and this metal base 91, there is a magnetic scope D2, this permanent magnet 932 in this magnetic scope D2 with this metal base 91 mutually magnetic; By this magnetic effect, this rotor 93 can be impelled steadily to rotate.
For reaching the main purpose making this rotor 93 steadily rotate, in fact only must in this magnetic scope D2, guarantee that this permanent magnet 932 and this metal base 91 can magnetic mutually; 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 unnecessary metal material is used too much, therefore, easy increase extra cost, and also relatively increase the overall weight of this motor 9, and do not meet economic benefit.
Utility model content
" the transmission district " that define in full below the utility model refers to the naked empty position of metal base, this transmission district can be as designs such as open-works, wherein, the utility model " transmission district " is only the position not using metal material, should " transmission district " still can be by plastic cement material open-work coated wholly or in part, the utility model is not limited.
The utility model object is to provide a kind of motor with metal base, under the precondition not affecting the magnetic attraction function that metal base provides, can effectively save the metal material that this metal base uses.
The utility model object is to provide a kind of radiator fan, and this radiator fan comprises the above-mentioned motor with metal base, and using this metal base as fan frame, can save the metal material that fan frame uses equally.
The utility model motor comprises a metal base, a stator and a rotor.This metal base is in conjunction with 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 incorporated into 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, within the scope of this radial rotary, this metal base is provided with the transmission district 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 radiator fan that the utility model has motor 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 form a fan frame structure; And be provided with several blade in the outer perimeter wall of the wheel hub of above-mentioned rotor, to form a fan wheel structure.
Wherein, above-mentioned axis part is plastic cement central siphon.
Wherein, above-mentioned metal base arranges an open-work to form above-mentioned transmission district in central part, above-mentioned connecting portion is several ribs, one end of this several ribs is connected to the inner side perisporium of this open-work, this several ribs respectively has the free end that the center towards this transmission district extends, and above-mentioned plastic cement central siphon is joined integrally in the free end of this several ribs.
Wherein, the free end of above-mentioned several ribs toward each other.
Wherein, in above-mentioned axis part axially, the free end of above-mentioned several ribs is respectively equipped with an axially extended card convex block, above-mentioned plastic cement central siphon this several card convex block coated.
Wherein, in above-mentioned axis part axially, the free end of above-mentioned several ribs is respectively equipped with an axially extended fin, and this several fin all has a surface of the inside being exposed to this plastic cement central siphon.
Wherein, arrange 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 and the inner side perisporium of above-mentioned plastic cement central siphon trim.
Wherein, above-mentioned metal base has the upper surface toward above-mentioned wheel hub, and this upper surface corresponds in this radial rotary scope has a region area, and the distribution area in above-mentioned transmission district is better accounts for nine ten ten to percent 2 percent of this region area.Preferably, the distribution area in above-mentioned transmission district can account for ten to eight 13 percent of this region area further.
As from the foregoing, the utility model motor and the radiator fan with motor all have above-mentioned metal base, this metal base designs by the transmission district of the radial rotary scope being positioned at above-mentioned wheel hub, can under the precondition not affecting mutual magnetic between above-mentioned permanent magnet and this metal base, the metal material that this metal base of effective saving uses, reduces costs to reach and reduces many effects such as overall weight.
Accompanying drawing explanation
Fig. 1: the assembled sectional view being existing motor.
Fig. 2: the three-dimensional exploded view being the utility model motor.
Fig. 3: the assembled sectional view being the utility model motor.
Fig. 4: be the metal base of the utility model motor stereo appearance figure when being provided with card convex block.
Fig. 5: be the assembled sectional view of the utility model motor when being provided with card convex block.
Fig. 6: be the assembled sectional view of the utility model motor when being provided with fin.
Fig. 7: be the assembled sectional view of the utility model motor applications when radiator fan.
[main element symbol description]
(the utility model)
1 metal base
1a upper surface 11 axis part
12 transmission district 13 connecting portions
131 ribs 132 card convex blocks
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.
Embodiment
For above-mentioned and other object of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and coordinate institute's accompanying drawings, be described in detail below:
Please refer to shown in Fig. 2 and Fig. 3, the utility model motor comprises metal base 1, stator 2 and a rotor 3.This metal base 1 can combine for this stator 2 and this rotor 3, 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 utility model is not limited, be 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 the further metal material saved this metal base 1 and use.
Said stator 2 is incorporated into above-mentioned metal base 1, and this stator 2 can be selected to be incorporated into the axis part 11 of this metal base 1 or the surface of this metal base 1, and the utility model is not limited.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 various structural designs that this impeller 3 can be driven to rotate, such as: this stator 2 can comprise the components such as silicon steel sheet, coil, insulating case or circuit board, for it will be understood by those skilled in the art that appearance does not repeat.
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 incorporated into above-mentioned axis part 11; This permanent magnet 32 is arranged at the inner side perisporium of this wheel hub 31, and has an air gap between this permanent magnet 32 and said stator 2.
Please refer to shown in Fig. 3, there is between above-mentioned wheel hub 31 and above-mentioned metal base 1 a radial rotary scope D1, there is between above-mentioned permanent magnet 32 and this metal base 1 a magnetic scope D2, in this radial rotary scope D1, this metal base 1 is provided with the transmission district 12 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 arranges an open-work to form this transmission district 12 in central part, this connecting portion 13 is several ribs 131, one end of this several ribs 131 is connected to the inner side perisporium of this open-work, this several ribs 131 respectively has the free end that the center (namely position, axis part 11) as shown in the figure towards this transmission district 12 extends, the free end of this several ribs 131 toward each other, and the free end of this several ribs 131 can be interconnected or not connect, whereby, when this axis part 11 is plastic cement central siphon, injection molding method can be adopted, make this plastic cement central siphon joined integrally in the free end of this several ribs 131, to form this axis part 11, and then promote assembling and manufacture convenience.
Please refer to shown in Fig. 4 and Fig. 5, in above-mentioned axis part 11 axially, the free end of above-mentioned several ribs 131 can be respectively equipped with an axially extended card convex block 132, this card convex block 132 is so that the free end of several ribs 131 can be made to form various concaveconvex structure for principle, its shape the utility model is not limited, whereby, when this plastic cement central siphon is joined integrally in this several ribs 131, this plastic cement central siphon can this several card convex block 132 coated further, effectively to increase the linking steady character of plastic cement central siphon and this several ribs 131, and reach better slip-off preventing effect.
Please 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, this several fin 133 all has a surface of the inside being exposed to this plastic cement central siphon, and the better abutting in this surface is arranged at arrangement 4 at least one central siphon in this plastic cement central siphon, for example, in this central siphon, arrangement 4 can for being installed in the bearing in this plastic cement central siphon, the components such as wear plate or clasp sheet, the surface of this several fin 133 is better is connected to this bearing, due to this bearing for above-mentioned rotating shaft 311 rotatably in conjunction with time, high heat is easily produced in the process of this rotating shaft 311 spinning movement, now, by the metal base 1 that thermal conduction effect is good, make the high heat produced in plastic cement central siphon can conduct to via this fin 133 and this several ribs 131 other positions of metal base 1 being positioned at this plastic cement central siphon outside rapidly, to reach effect of improving radiating effect and raising motor life.Again, preferably, wherein the inner surface of this fin 133 and the inner side perisporium of this plastic cement central siphon can trim, and use nargin with the space promoting this plastic cement central siphon inside.
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 namely positioned at the area of the axis projection scope 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 is preferably and accounts for nine ten ten to percent 2 percent of this region area, is preferably ten to eight 13 percent; Whereby, the utility model motor can guarantee in magnetic scope D2, to have required magnetic area between above-mentioned permanent magnet 32 and this metal base 1, and under guaranteeing the precondition that above-mentioned connecting portion 13 and above-mentioned axis part 11 can firmly be combined, utilize the metal material that this transmission district 12 uses effectively to reduce this metal base 1 further, and alleviate the overall weight of the utility model motor.
During the utility model motor action, input current, to said stator 2, makes this stator 2 produce alternating magnetic field, in order to drive the spinning movement of above-mentioned rotor 3 by the air gap between above-mentioned permanent magnet 32; Wherein by the magnetic scope D2 between this permanent magnet 32 and above-mentioned metal base 1, this permanent magnet 32 and this metal base 1 can magnetic mutually, steadily rotate to impel this rotor 3.
The utility model, based on said motor structure, can also be applied to radiator fan as various in axial-flow type or blowing-type etc. further.In more detail, please 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 form a fan frame structure; Again, the outer perimeter wall of the wheel hub 31 of this rotor 3 can be provided with several blade 33, to form a fan wheel structure.Whereby, when this stator 2 drives this rotor 3 spinning movement, this several blade 33 can be utilized to 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, the utility model motor and the radiator fan with motor all have above-mentioned metal base 1, this metal base 1 designs by the transmission district 12 of the radial rotary scope D1 being positioned at above-mentioned wheel hub 31, can under the precondition not affecting mutual magnetic between above-mentioned permanent magnet 32 and this metal base 1, the metal material that this metal base 1 of effective saving uses, reduces costs to reach and reduces many effects such as overall weight.
Although the utility model has utilized above-mentioned preferred embodiment to disclose; so itself and be not used to limit the utility model; anyly have the knack of this those skilled in the art and do not departing within spirit and scope of the present utility model; relative above-described embodiment carries out various change and revises the technology category still belonging to the utility model and protect, and therefore protection range of the present utility model is when being as the criterion of defining depending on appending claims.

Claims (22)

1. a motor, is characterized in that comprising:
A metal base, this metal base is in conjunction with an axis part;
A stator, this stator is incorporated into this metal base;
A 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 incorporated into 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, within the scope of this radial rotary, this metal base is provided with a transmission district 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, is characterized 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 arranges an open-work to form above-mentioned transmission district in central part, above-mentioned connecting portion is several ribs, one end of this several ribs is connected to the inner side perisporium of this open-work, this several ribs respectively has the free end that the center towards this transmission district extends, and above-mentioned plastic cement central siphon is joined integrally in the free end of this several ribs.
4. motor as claimed in claim 3, is characterized in that: the free end of above-mentioned several ribs toward each other.
5. the motor as described in claim 3 or 4, is characterized in that: in above-mentioned axis part axially, and the free end of above-mentioned several ribs is respectively equipped with an axially extended card convex block, above-mentioned plastic cement central siphon this several card convex block coated.
6. the motor as described in claim 3 or 4, it is characterized in that: in above-mentioned axis part axially, the free end of above-mentioned several ribs is respectively equipped with an axially extended fin, and this several fin all has a surface of the inside being exposed to this plastic cement central siphon.
7. motor as claimed in claim 6, it is characterized in that: arrange 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, is characterized in that: in above-mentioned central siphon, arrangement is bearing.
9. motor as claimed in claim 7, is characterized in that: the inner surface of above-mentioned several fin and the inner side perisporium of above-mentioned plastic cement central siphon trim.
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 corresponds in this radial rotary scope has a region area, and the distribution area in above-mentioned transmission district accounts for nine ten ten to percent 2 percent of this region area.
11. motors as claimed in claim 10, is characterized in that: the distribution area in above-mentioned transmission district accounts for ten to eight 13 percent of this region area.
12. 1 kinds of radiator fans, is characterized in that comprising: a metal base, and this metal base is in conjunction with 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; A stator, this stator is incorporated into this metal base; A 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 incorporated into 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, within the scope of this radial rotary, this metal base is provided with a transmission district 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, is characterized 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 arranges an open-work to form above-mentioned transmission district in central part, above-mentioned connecting portion is several ribs, one end of this several ribs is connected to the inner side perisporium of this open-work, this several ribs respectively has the free end that the center towards this transmission district extends, and above-mentioned plastic cement central siphon is joined integrally in the free end of this several ribs.
15. radiator fans as claimed in claim 14, is characterized in that: the free end of above-mentioned several ribs toward each other.
16. radiator fans as described in claims 14 or 15, it is characterized in that: in above-mentioned axis part axially, the free end of above-mentioned several ribs is respectively equipped with an axially extended card convex block, above-mentioned plastic cement central siphon this several card convex block coated.
17. radiator fans as described in claims 14 or 15, it is characterized in that: in above-mentioned axis part axially, the free end of above-mentioned several ribs is respectively equipped with an axially extended fin, and this several fin all has a surface of the inside being exposed to this plastic cement central siphon.
18. radiator fans as claimed in claim 17, it is characterized in that: arrange 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, is characterized in that: in above-mentioned central siphon, arrangement is bearing.
20. radiator fans as claimed in claim 17, is characterized in that: the surface of above-mentioned several fin and the inner side perisporium of above-mentioned plastic cement central siphon trim.
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 corresponds in this radial rotary scope has a region area, and the distribution area in above-mentioned transmission district accounts for nine ten ten to percent 2 percent of this region area.
22. radiator fans as claimed in claim 21, is characterized in that: the distribution area in above-mentioned transmission district accounts for ten to eight 13 percent of this region area.
CN201520010378.XU 2014-12-30 2015-01-08 Motor and cooling fan with same Withdrawn - After Issue CN204376573U (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

Publications (1)

Publication Number Publication Date
CN204376573U true CN204376573U (en) 2015-06-03

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CN201510008362.XA Active CN105827046B (en) 2014-12-30 2015-01-08 Motor and cooling fan with same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105827046A (en) * 2014-12-30 2016-08-03 建准电机工业股份有限公司 Motor and cooling fan with same

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107294239B (en) * 2017-06-21 2020-07-28 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
CN113572284B (en) * 2021-09-27 2021-12-21 太仓市华盈电子材料有限公司 Motor base and motor

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Publication number Priority date Publication date Assignee Title
JP5198083B2 (en) * 2008-02-05 2013-05-15 ミネベアモータ株式会社 Brushless motor
CN203453139U (en) * 2013-08-01 2014-02-26 李明烈 Fan with fan wheel pressed down by magnetic attraction
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105827046A (en) * 2014-12-30 2016-08-03 建准电机工业股份有限公司 Motor and cooling fan with same
CN105827046B (en) * 2014-12-30 2018-08-24 建准电机工业股份有限公司 Motor and cooling fan with same

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Publication number Publication date
TWI543500B (en) 2016-07-21
CN105827046A (en) 2016-08-03
TW201624887A (en) 2016-07-01
CN105827046B (en) 2018-08-24

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Address after: The new Taiwan China Ya Lu Kaohsiung City No. 30 Lane 296

Patentee after: Jianzhun Electric Motor Industry Co., Ltd.

Address before: Are China Taiwan Lingya Kaohsiung No. 120 12 floor 1

Patentee before: Jianzhun Electric Motor Industry Co., Ltd.

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Granted publication date: 20150603

Effective date of abandoning: 20180824

AV01 Patent right actively abandoned

Granted publication date: 20150603

Effective date of abandoning: 20180824

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned