CN103517610A - Cooling device - Google Patents
Cooling device Download PDFInfo
- Publication number
- CN103517610A CN103517610A CN201210200765.0A CN201210200765A CN103517610A CN 103517610 A CN103517610 A CN 103517610A CN 201210200765 A CN201210200765 A CN 201210200765A CN 103517610 A CN103517610 A CN 103517610A
- Authority
- CN
- China
- Prior art keywords
- protuberance
- centrifugal fan
- limiting section
- lid
- extension
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 title abstract 7
- 238000009434 installation Methods 0.000 claims description 13
- 238000002791 soaking Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20172—Fan mounting or fan specifications
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides a cooling device. The cooling device comprises a cooling fin group, a cover which is fixedly connected with the cooling fin group, and a centrifugal fan which is arranged on the cover. The air outlet of the centrifugal fan faces the cooling fin group. The centrifugal fan comprises a fan frame, and an impeller group which is accommodated in the fan frame. The fan frame comprises a baseboard, and a sidewall which is extended from the baseboard. One of the sidewall of the centrifugal fan and the cover is provided with at least one raised portion. The other of the sidewall of the centrifugal fan and the cover is provided with a position limiting portion which is matched with the raised portion. The raised portion is slid in a direction which is axially vertical to the centrifugal fan relative to the position limiting portion and accommodated in the position limiting portion for locating the cover relative to the centrifugal fan. In the cooling device of the invention, the raised portion and the position limiting portion which is matched with the raised portion are engaged in a sliding accommodating manner, so the number of used screws can be reduced, so that the assembly and disassembly of the centrifugal fan are more convenient.
Description
Technical field
The present invention relates to a kind of heat abstractor, particularly a kind of heat abstractor for electronic component is dispelled the heat.
Background technology
Development along with electronic industry, electronic component increases substantially as the arithmetic speed of central processing unit etc., and the heat of its generation also increases severely thereupon, in order to ensure electronic component, can normally move, one heat abstractor is installed conventionally thereon, the dissipation of heat of electronic component is gone out.
Existing heat abstractor generally includes centrifugal fan, is arranged at the radiating fin group at this centrifugal fan air outlet place, is fixed on the soaking plate on electronic component and connects this soaking plate and the heat pipe of radiating fin group.When electronic component is dispelled the heat, soaking plate absorbs the heat that electronic component produces, the heat that soaking plate absorbs is passed to radiating fin group through heat pipe, and centrifugal fan running produces air-flow and blows to radiating fin group, and the heat that is passed to radiating fin group is taken away.
For centrifugal fan is firmly arranged on heat abstractor, conventionally adopt many sealed modes of screw to fix centrifugal fan, yet this fixed form easily occurs that in the process that centrifugal fan is installed sliding tooth and screw are difficult for the phenomenon of aiming at, the process of dismounting centrifugal fan is also more loaded down with trivial details.
Summary of the invention
In view of this, be necessary to provide a kind of installation and removal heat abstractor easily.
A kind of heat abstractor, comprise radiating fin group, the lid being fixedly connected with described radiating fin group and be arranged at the centrifugal fan on described lid, the air outlet of described centrifugal fan is over against radiating fin group, described centrifugal fan comprises a fan frame and is contained in the impeller sets in described fan frame, described fan frame comprises a base plate and the sidewall being extended by described base plate, the sidewall of described centrifugal fan and one of them of lid are provided with at least one protuberance, wherein another of the sidewall of described centrifugal fan and lid is provided with the limiting section coordinating with described protuberance, described protuberance with respect to limiting section along centrifugal fan axially vertical direction slides and is contained in limiting section and the relative centrifugal fan of lid is located.
Mode than many traditional screw closures, the form of accommodating to slide of the protuberance in heat abstractor of the present invention and the limiting section that coordinates with described protuberance engages, can effectively reduce the usage quantity of screw, make the installation and removal of centrifugal fan convenient.
With reference to the accompanying drawings, the invention will be further described to engage specific embodiment.
Accompanying drawing explanation
Fig. 1 is the three-dimensional assembly diagram of the heat abstractor of first embodiment of the invention.
Fig. 2 is the perspective exploded view of heat abstractor shown in Fig. 1.
Fig. 3 is the perspective exploded view at another visual angle of heat abstractor shown in Fig. 1.
Fig. 4 is IV part enlarged drawing in heat abstractor shown in Fig. 2.
Fig. 5 is the three-dimensional assembly diagram of the heat abstractor of second embodiment of the invention.
Fig. 6 is the perspective exploded view of heat abstractor shown in Fig. 5.
Fig. 7 is the perspective exploded view at another visual angle of heat abstractor in Fig. 5.
Fig. 8 is VIII part enlarged drawing in heat abstractor shown in Fig. 6.
Main element symbol description
| |
10、 |
| Impeller group | |
| 12 | |
| |
13 |
| |
131、31 |
| |
132 |
| |
14 |
| The |
141 |
| |
142 |
| |
1421、1421a |
| The |
143 |
| |
144 |
| |
15 |
| |
20 |
| |
21 |
| The |
22 |
| The |
23 |
| |
24 |
| |
30 |
| |
32、 |
| Screw | |
| 321 | |
| The first |
33、33a |
| The second |
34、34a |
| The |
331 |
| |
332 |
| The |
3321 |
| The |
3322 |
| |
333、343 |
| |
50 |
| The |
60、60a |
| The |
61、61a |
Following embodiment further illustrates the present invention by the above-mentioned accompanying drawing of joint.
Embodiment
Please refer to Fig. 1 to Fig. 3, the heat abstractor of first embodiment of the invention comprises a radiating fin group 20, be fixedly connected on a lid 30 in this radiating fin group 20, be embedded at two heat pipes 50 of this radiating fin group 20 and be arranged at the centrifugal fan 10 on this lid 30.
This centrifugal fan 10 comprises a fan frame 15 and is contained in the impeller group 12 in this fan frame 15.This fan frame 15 comprises a base plate 13 and the sidewall 14 being extended by the periphery of this base plate 13 downwards.This base plate 13 is the flat board that an outline takes the shape of the letter U.This sidewall 14 arranges perpendicular to base plate 13.The central authorities of this base plate 13 are provided with the air intake vent 131 of a circle.One support 132 is extended towards this circle air intake vent 131 center by the periphery of this circle air intake vent 131.This impeller group 12 is fixed on this support 132.
This first side plate 141 and the second side plate 143 horizontally outward protrude and form one first protuberance 60 and one second protuberance 61 respectively.Particularly, this first protuberance 60 and the second protuberance 61 are arranged at respectively this first side plate 141 and the second side plate 143 away from base plate 13 one end.In the present embodiment, this first protuberance 60 and the second protuberance 61 are protrusion rib.This first protuberance 60 is concordant with the air outlet 144 of centrifugal fan 10 towards air outlet 144 one end of centrifugal fan 10.For fear of interfering with heat pipe 50, this second protuberance 61 keeps certain distance towards air outlet 144 one end of centrifugal fan 10 and the air outlet of this centrifugal fan 10 144.
This lid 30 is the cover plate that an outline takes the shape of the letter U.Air intake vent 131 on the corresponding base plate 13 of central authorities of this lid 30 is provided with the air intake vent 31 of a circle.Installation portion 1421 on the corresponding sidewall 14 of periphery of this lid 30 arranges a lug 32.The fixing hole of the corresponding installation portion 1421 of this lug 32 (not indicating) is provided with a screw 321.On the periphery of this lid 30, corresponding the first protuberance 60 and the second protuberance 61 arrange respectively one first limiting section 33 and one second limiting section 34.Particularly, this first limiting section 33 and the second limiting section 34 are arranged at respectively in two parallel sides of this lid 30.The line at this first limiting section 33, the second limiting section 34, lug 32 center forms an acute triangle, so that this lid 30 is fixed with the abundant of fan frame 15.
Refer to Fig. 4, this first limiting section 33 is a stopper slot roughly taking the shape of the letter U.This first limiting section 33 comprises one first extension 331 that horizontally outward extends from the side of lid 30 and the end difference 332 being bent inwards by the end of this first extension 331.This end difference 332 comprises by the end of this first extension 331 along the one second straight extension 3321 extending perpendicular to the first extension 331 directions and one the 3rd straight extension 3322 that extended internally out by the terminal horizontal of this second extension 3321.This first extension 331 and the 3rd extension 3322 are parallel to lid 30 and arrange.This second extension 3321 arranges perpendicular to lid 30.This first extension 331 and end difference 332 surround an accepting groove 333 jointly in order to accommodate this first protuberance 60.
In the present embodiment, this second limiting section 34 is identical with the first limiting section 33 structures, is also provided with an accepting groove 343(Fig. 2 on this second limiting section 34) in order to accommodate this second protuberance 61, the structure at this to this second limiting section 34 repeats no more.
Please again consult Fig. 2, on the sidewall of this radiating fin group 20, offer a groove 21.This groove 21 is separated into by radiating fin group 20 connector 24 that one first cavity 22, is parallel to the second cavity 23 of the first cavity 22 and connects described the first cavity 22 and the second cavity 23.This first cavity 22 and the interior parallel interval of the second cavity 23 are arranged with some radiating fins (not indicating) that run through this first cavity 22 and the second cavity 23, are formed with air channel (not indicating) between adjacent radiating fin.This lid 30 is fixed on one end on the second cavity 23 of this radiating fin group 20.
Two heat pipe 50 one end of this heat radiation module are embedded in the groove 21 of this radiating fin group 20 side by side, the other end of described two heat pipes 50 respectively with the hot link of electronic component (not shown).
When centrifugal fan 10 is installed on to heat abstractor, lid 30 one end bonds by heat-conducting glue or the mode of soldering is fixed on the second cavity 23 of radiating fin group 20.These two heat pipe 50 one end embed side by side and are fixed in the groove 21 of this radiating fin group 20.These centrifugal fan 10 air outlet 144 one end are positioned on lid 30, and this centrifugal fan 10 is applied to an external force, and this centrifugal fan 10 moves with respect to radiating fin group 20.Thereby the first protuberance 60 on the sidewall 14 of this centrifugal fan 10 slides and is contained in the accepting groove 333 of this first limiting section 33 and the accepting groove of the second limiting section 34 343 the relative centrifugal fan of lid 30 10 location along the axial vertical direction of centrifugal fan 10 with the second limiting section 34 with respect to the first limiting section 33 on lid 30 with the second protuberance 61.
The inner surface that the intimate of this first protuberance 60 and the second protuberance 61 is attached at this first limiting section 33 and the second limiting section 34 moves relative to lid 30 in the horizontal direction to prevent this centrifugal fan 10.Air outlet 144 and the radiating fin group 20 of this centrifugal fan 10 offset.Screw (not shown) is screwed to through the screw 321 of the lug 32 of lid 30 in the fixing hole (not indicating) on the installation portion 1421 of this centrifugal fan 10, so that centrifugal fan 10 is locked on lid 30.
When heat abstractor is dismantled centrifugal fan 10, the screw (not shown) of fixing this centrifugal fan 10 is taken off, this centrifugal fan 10 is applied to an external force, centrifugal fan 10 deviates from this radiating fin group 20 and moves.The first protuberance 60 of this centrifugal fan 10 and the second protuberance 61 skid off respectively from the accepting groove 333 of the first limiting section 33 of lid 30 and the accepting groove 343 of the second limiting section 34.
When electronic component (not shown) is dispelled the heat, the heat that electronic component produces is delivered to radiating fin group 20 by described two heat pipes 50.This centrifugal fan 10 sucks air-flow and air-flow is blowed to radiating fin group 20 from the air outlet 144 of centrifugal fan 10 from being arranged at air intake vent 131 and the air intake vent 31 of impeller Zu12 both sides, and the heat of radiating fin group 20 is taken away.
Please refer to Fig. 5 to Fig. 8, show the heat abstractor of second embodiment of the invention.Be different from the first embodiment, the one first protuberance 60a and the second protuberance 61a that on the sidewall 14 of the centrifugal fan 10a in the second embodiment, arrange are half cylindrical fin.These lid 30 edges to should the first protuberance 60a and the second protuberance 61a be respectively arranged with the first limiting section 33a and the second limiting section 34a.This first limiting section 33a and the second limiting section 34a are the stopper slot of C shape.This first limiting section 33a and the second limiting section 34a horizontally outward extend respectively from the side of lid 30 stopper slot that curves inwardly again formation C shape.Two installation portion 1421a of the outwardly formation of sidewall 14 of this centrifugal fan 10a.Corresponding described two the installation portion 1421a of periphery of this lid 30 arrange respectively two lug 32a.
In the present invention, this first protuberance 60,60a and the second protuberance 61,61a are by metal material or plastic cement material is made and one-body molded with fan frame 15.This first limiting section 33,33a and the second limiting section 34,34a are by metal material or plastic cement material is made and one-body molded with lid 30.
In the present invention, for the shape of the first protuberance 60,60a and the second protuberance 61,61a, do not restrict, such as this first protuberance 60 is square step, triangle fin or waveform fin.The first limiting section 33 on this lid 30 makes corresponding changes to accommodate this first protuberance 60 according to the shape of cross section of the first protuberance 60.
Be understandable that, the first protuberance 60 described in the present invention and the second protuberance 61 also can be arranged at respectively in two parallel sides of lid 30, and the first limiting section 33 and the second limiting section 34 correspondence are arranged on the sidewall 14 of this centrifugal fan 10.
It will also be appreciated that; for the person of ordinary skill of the art; can make other various corresponding changes and distortion by technical conceive according to the present invention; such as the first protuberance 60 and the second protuberance 61 being arranged at respectively on first side plate 141 of sidewall 14 and the internal face of the second side plate 143 of centrifugal fan 10; the upper surface of this lid 30 to should the first protuberance 60 and the second protuberance 61 intervals the first limiting section 33 and the second limiting section 34 are set, and all these change with distortion and all should belong to the protection range of the claims in the present invention.
Claims (10)
1. a heat abstractor, comprise radiating fin group, the lid being fixedly connected with described radiating fin group and be arranged at the centrifugal fan on described lid, the air outlet of described centrifugal fan is over against described radiating fin group, described centrifugal fan comprises a fan frame and is contained in the impeller sets in described fan frame, described fan frame comprises a base plate and the sidewall being extended by described base plate, it is characterized in that: the sidewall of described centrifugal fan and one of them of lid are provided with at least one protuberance, wherein another of the sidewall of described centrifugal fan and lid is provided with the limiting section coordinating with described protuberance, described protuberance with respect to limiting section along centrifugal fan axially vertical direction slides and is contained in described limiting section and the relative centrifugal fan of lid is located.
2. heat abstractor as claimed in claim 1, it is characterized in that: described sidewall comprises an arc body and the first side plate and the second side plate that by described body two ends, are extended respectively, described protuberance is arranged in one of them of the first side plate of described sidewall and the second side plate.
3. heat abstractor as claimed in claim 2, is characterized in that: described protuberance is arranged at described the first side plate away from one end of base plate, and described protuberance is concordant towards one end of described centrifugal fan air outlet and the air outlet of described centrifugal fan.
4. heat abstractor as claimed in claim 2, is characterized in that: described protuberance is arranged at described the second side plate away from one end of base plate, and described protuberance keeps a segment distance towards one end of described centrifugal fan air outlet and the air outlet of described centrifugal fan.
5. the heat abstractor as described in any one in claim 2-4 item, is characterized in that: the corresponding described protuberance of described limiting section is arranged on the side of described lid.
6. heat abstractor as claimed in claim 5, it is characterized in that: described protuberance is fin, described limiting section is stopper slot, and described limiting section comprises the first extension of horizontally outward extending from lid lateral margin and the end difference being bent inwards by the end of described the first extension.
7. heat abstractor as claimed in claim 6, it is characterized in that: described end difference comprises by the end of described the first extension along the second straight extension extending perpendicular to the first extension direction and the 3rd straight extension that extended internally out by the terminal horizontal of described the second extension, described the first extension is parallel with described lid with the 3rd extension, and described the second extension is vertical with described lid.
8. heat abstractor as claimed in claim 7, is characterized in that: the first extension and the end difference of described limiting section surround accepting groove, and described protuberance is contained in the accepting groove of described limiting section.
9. heat abstractor as claimed in claim 2, is characterized in that: the sidewall of described centrifugal fan is provided with installation portion, and described lid is provided with lug, and described lug is provided with screw, and screw passes the screwhole spiro bonding of described lug to described installation portion.
10. heat abstractor as claimed in claim 2, it is characterized in that: described protuberance comprises the first protuberance of being arranged on the first side plate and be arranged at the second protuberance on the second side plate, described limiting section comprises that corresponding described the first protuberance and the second protuberance are arranged at respectively the first limiting section and the second limiting section in two parallel sides of lid.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082407.1A CN108135117B (en) | 2012-06-18 | 2012-06-18 | Heat radiator |
| CN201711122226.9A CN107734937B (en) | 2012-06-18 | 2012-06-18 | Heat sink device |
| CN201210200765.0A CN103517610B (en) | 2012-06-18 | 2012-06-18 | Heat abstractor |
| TW101123562A TWI546456B (en) | 2012-06-18 | 2012-06-29 | Heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210200765.0A CN103517610B (en) | 2012-06-18 | 2012-06-18 | Heat abstractor |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082407.1A Division CN108135117B (en) | 2012-06-18 | 2012-06-18 | Heat radiator |
| CN201711122226.9A Division CN107734937B (en) | 2012-06-18 | 2012-06-18 | Heat sink device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103517610A true CN103517610A (en) | 2014-01-15 |
| CN103517610B CN103517610B (en) | 2017-12-22 |
Family
ID=49899351
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082407.1A Active CN108135117B (en) | 2012-06-18 | 2012-06-18 | Heat radiator |
| CN201210200765.0A Expired - Fee Related CN103517610B (en) | 2012-06-18 | 2012-06-18 | Heat abstractor |
| CN201711122226.9A Expired - Fee Related CN107734937B (en) | 2012-06-18 | 2012-06-18 | Heat sink device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810082407.1A Active CN108135117B (en) | 2012-06-18 | 2012-06-18 | Heat radiator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711122226.9A Expired - Fee Related CN107734937B (en) | 2012-06-18 | 2012-06-18 | Heat sink device |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN108135117B (en) |
| TW (1) | TWI546456B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111521053A (en) * | 2018-07-19 | 2020-08-11 | 张旺 | Metal part with adjustable heat dissipation device |
| CN110996629B (en) * | 2019-12-24 | 2021-09-03 | 无锡睿勤科技有限公司 | Heat dissipation device and electronic product with same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM339902U (en) * | 2008-03-27 | 2008-09-01 | Chaun Choung Technology Corp | Heat dissipating fan |
| TW201011511A (en) * | 2008-09-12 | 2010-03-16 | Hon Hai Prec Ind Co Ltd | Fan and mounting apparatus for fan |
| TWM377061U (en) * | 2009-10-09 | 2010-03-21 | Delta Electronics Inc | Heat dissipating module |
| US20120075804A1 (en) * | 2010-09-24 | 2012-03-29 | Foxconn Technology Co., Ltd. | Portable electronic device and thermal module thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100584171C (en) * | 2006-07-12 | 2010-01-20 | 富准精密工业(深圳)有限公司 | Heat radiator |
-
2012
- 2012-06-18 CN CN201810082407.1A patent/CN108135117B/en active Active
- 2012-06-18 CN CN201210200765.0A patent/CN103517610B/en not_active Expired - Fee Related
- 2012-06-18 CN CN201711122226.9A patent/CN107734937B/en not_active Expired - Fee Related
- 2012-06-29 TW TW101123562A patent/TWI546456B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM339902U (en) * | 2008-03-27 | 2008-09-01 | Chaun Choung Technology Corp | Heat dissipating fan |
| TW201011511A (en) * | 2008-09-12 | 2010-03-16 | Hon Hai Prec Ind Co Ltd | Fan and mounting apparatus for fan |
| TWM377061U (en) * | 2009-10-09 | 2010-03-21 | Delta Electronics Inc | Heat dissipating module |
| US20120075804A1 (en) * | 2010-09-24 | 2012-03-29 | Foxconn Technology Co., Ltd. | Portable electronic device and thermal module thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201400714A (en) | 2014-01-01 |
| CN108135117B (en) | 2021-01-29 |
| CN103517610B (en) | 2017-12-22 |
| CN107734937B (en) | 2021-09-14 |
| TWI546456B (en) | 2016-08-21 |
| CN108135117A (en) | 2018-06-08 |
| CN107734937A (en) | 2018-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170928 Address after: Guangdong province Shenzhen city Longhua District Dalang street community of Longsheng gold dragon road e-commerce incubator exhibition Tao Commercial Plaza E block 706 Applicant after: Shenzhen step Technology Transfer Center Co., Ltd. Address before: 215316 Suzhou City, Kunshan Province Development Zone hi tech Industrial Park, Foxconn Road, No. 635 Applicant before: Fu Rui (Kunshan) Co., Ltd. precision components Applicant before: Foxconn Precision Industry Co., Ltd. |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20171127 Address after: 350299 Fujian city of Fuzhou province Changle City Wu Hang Street Tongji garden 10 Applicant after: Jiang Youlan Address before: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, Longsheng Gold Dragon Road community e-commerce incubator exhibition Tao Commercial Plaza E block 706 Applicant before: Shenzhen step Technology Transfer Center Co., Ltd. |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181227 Address after: 425500 Huafu Road, Tuojiang Town, Jianghua Yao Autonomous County, Yongzhou City, Hunan Province (in the courtyard of Tuojiang Town People's Government) Patentee after: Jianghua Yao Autonomous County Jinniu Development and Construction Co., Ltd. Address before: 350299 Tongji Park, Wuhang Street, Changle City, Fuzhou City, Fujian Province Patentee before: Jiang Youlan |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171222 Termination date: 20190618 |