CN109392294B - Liquid cooling cradle rack - Google Patents
Liquid cooling cradle rack Download PDFInfo
- Publication number
- CN109392294B CN109392294B CN201811534768.1A CN201811534768A CN109392294B CN 109392294 B CN109392294 B CN 109392294B CN 201811534768 A CN201811534768 A CN 201811534768A CN 109392294 B CN109392294 B CN 109392294B
- Authority
- CN
- China
- Prior art keywords
- liquid
- joint
- cradle
- cooled
- cabinet
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 120
- 238000001816 cooling Methods 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000011084 recovery Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 230000004907 flux Effects 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
-
- 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
- H05K7/20218—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant without phase change in electronic enclosures
- H05K7/20272—Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to a liquid cooling cradle cabinet, comprising: the cradle, the cabinet frame, the power supply module and the rotary water joint are arranged on the cabinet frame; the cradle is hinged to the cabinet frame, the power module is connected with the cradle, the rotary water joint is located at the joint of the cradle and the cabinet frame, a cooling part is arranged in the power module, and the rotary water joint is communicated with the cooling part of the power module. Compared with the traditional liquid cooling cabinet, the liquid cooling cradle cabinet has the advantages that the installation, maintenance and plugging efficiency of the cradle liquid cooling cabinet on the electric elements such as cables, connectors and bus bars in the cabinet is obviously improved, and the maintenance time of the equipment in the debugging process is greatly shortened due to the structural form.
Description
Technical Field
The invention relates to the field of equipment accessories, in particular to a liquid cooling cradle cabinet.
Background
The power module provides power for the transceiving component and is a key component of the whole system. The device has the characteristics of high power, high heat productivity, high heat flux density, frequent maintenance and the like. At present, a high-power module is mainly designed in a closed manner, heat exchange is completed between a cold plate and the outside, and meanwhile, the environmental adaptability of the module can be improved due to a closed structure. The power module with high heat flux density needs liquid cooling heat dissipation, and compared with air cooling heat dissipation, the liquid cooling heat dissipation capacity is high, and the heat dissipation device is suitable for heat dissipation of electronic devices with high heat flux density.
The power module adopting liquid cooling for heat dissipation is high in integration level generally, the module is installed in a cabinet with a non-standard strong bearing capacity, a bus bar and a connector behind a liquid cooling connector and the module are all arranged inside the cabinet, the whole module needs to be pulled out again for operation when maintenance is needed, and maintenance experience is poor.
Disclosure of Invention
The invention mainly solves the problems of heavy weight, high heat flux density and maintainability of a power module adopting liquid cooling heat dissipation, and designs a cradle type structure which can conveniently maintain and plug a bus bar and a connector cable behind the module.
The technical scheme for solving the technical problems is as follows: the cradle, the cabinet frame, the power supply module and the rotary water joint are arranged on the cabinet frame; the cradle is hinged to the cabinet frame, the power module is installed on the cradle, the rotary water joint is arranged at the joint of the cradle and the cabinet frame, a cooling part is arranged in the power module, and the rotary water joint is communicated with the cooling part of the power module.
The invention has the beneficial effects that: compared with the traditional liquid cooling cabinet, the liquid cooling cradle cabinet has the advantages that the installation, maintenance and plugging efficiency of the cradle liquid cooling cabinet on the electric elements such as cables, connectors and bus bars in the cabinet is obviously improved, and the maintenance time of the equipment in the debugging process is greatly shortened due to the structural form.
Further, the cradle is connected with the cabinet frame through at least three heavy-load hinges.
The beneficial effects of the above further scheme are: the arrangement of at least three heavy-load hinges ensures that the connection between the cradle and the cabinet frame is more stable.
Further, the rotating axis of the rotating water joint is coaxial with the heavy-load hinge.
The beneficial effects of the above further scheme are: the rotation axis of the rotary water joint is coaxial with the heavy-load hinge, so that pulling force caused by the eccentric shaft problem can be avoided in the rotation process, and the service life of the equipment can be effectively prolonged.
Further, still include liquid cooling pipeline, liquid cooling joint and shunt, the liquid cooling pipeline gets into being linked together with rotatory water joint by the rack bottom and is connected, then rotatory water joint is linked together through first liquid cooling joint and shunt, and the shunt is linked together through the cooling part of second liquid cooling joint and power module.
Furthermore, the two rotary water joints are respectively a first rotary water joint and a second rotary water joint, the two flow dividers are respectively a first flow divider and a second flow divider, the liquid outlet of the liquid cooling pipeline is communicated with the liquid inlet of the first rotary water joint, the liquid outlet of the first rotary water joint is communicated with the liquid inlet of the first flow divider through a first liquid cooling joint, the liquid outlet of the first shunt is communicated with the liquid inlet of the cooling part of the power module through a second liquid-cooling joint, the liquid outlet of the cooling part of the power supply module is communicated with the liquid inlet of the second flow divider through a second liquid-cooling joint, the liquid outlet of the second flow divider is communicated with the liquid inlet of the second rotary water joint through the first liquid cooling connector, and the liquid outlet of the second rotary water joint is communicated with the liquid recovery device through a liquid cooling pipeline.
The beneficial effects of the above further scheme are: a liquid circulation mode in a liquid cooling cradle cabinet is provided.
Furthermore, the rotary water joint comprises an upper shell and a lower shell, the upper shell is a cylindrical shell with an opening at the lower end, a first liquid through hole is formed in the side wall of the upper shell, and the first liquid through hole can be used as a water inlet and a water outlet of the rotary water joint; the lower shell is a cylindrical shell with an open upper end, a second liquid opening is formed in the side wall of the lower shell, the second liquid opening can serve as a water inlet of the rotary water joint and a water outlet of the rotary water joint, and the opening of the lower shell is connected with the opening of the upper shell in a sealing and rotating mode to form a water joint cavity.
The beneficial effects of the above further scheme are: the specific structure of a rotary water joint is provided, the first liquid port and the second liquid port are respectively positioned on the upper shell and the lower shell which are connected in a rotatable mode, and the angle of the liquid outlet end and the liquid inlet end can be freely changed according to the rotation of the upper shell and the lower shell.
Furthermore, the upper end of the lower shell is provided with an extension part extending inwards, the extension part is provided with an annular groove, the lower end of the upper shell is provided with an annular bulge matched with the annular groove, and the annular bulge is clamped in the annular groove in a sealing manner.
The beneficial effects of the above further scheme are: a specific sealing rotary connection scheme between the upper shell and the lower shell is provided.
Drawings
FIG. 1 is a schematic view of a liquid-cooled cradle cabinet (rotated open) according to the present invention;
FIG. 2 is a schematic structural view of a rotary water joint of the present invention;
FIG. 3 is an enlarged partial cross-sectional view taken at section A of FIG. 2 in accordance with the present invention;
fig. 4 is a schematic view of the diverter of the present invention.
Description of reference numerals:
1. the liquid cooling device comprises a cabinet frame, 2. a cradle, 3. a power supply module, 4. a rotary water joint, 41. an upper shell, 411. an annular protrusion, 42. a lower shell, 421. an extension part, 422. an annular groove, 43. a first liquid port, 44, a second liquid port, 5. a liquid cooling pipeline, 6. a first liquid cooling joint, 7. a flow divider, 8. a second liquid cooling joint and 11. a heavy-duty hinge.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Example 1
As shown in fig. 1-4, the present invention provides a liquid-cooled cradle cabinet, comprising: the device comprises a cradle 2, a cabinet frame 1, a power supply module 3 and a rotary water joint 4; the cradle 2 is hinged to the cabinet frame 1, the power module 3 is installed on the cradle 2, the rotary water joint 4 is located at the joint of the cradle 2 and the cabinet frame 1, a cooling part is arranged in the power module 3, and the rotary water joint 4 is communicated with the cooling part of the power module 3.
Compared with the traditional liquid cooling cabinet, the installation, maintenance and plugging efficiency of the cradle liquid cooling cabinet on the electric elements such as cables, connectors and bus bars inside the cabinet are obviously improved, and the structural form greatly shortens the maintenance time of the equipment in the debugging process.
Still include liquid cooling pipeline 5, liquid cooling joint 6 and shunt, liquid cooling pipeline 5 gets into being linked together with rotatory water joint 4 by the rack bottom and is connected, then rotatory water joint 4 is linked together through first liquid cooling joint 6 and shunt 7, and shunt 7 is linked together through the cooling part of second liquid cooling joint 8 with power module 3.
The two rotary water joints 4 are respectively a first rotary water joint and a second rotary water joint, the two flow dividers are respectively a first flow divider and a second flow divider, the liquid outlet of the liquid cooling pipeline 5 is communicated with the liquid inlet of the first rotary water joint, the liquid outlet of the first rotary water joint is communicated with the liquid inlet of the first flow divider through a first liquid cooling joint 6, the liquid outlet of the first shunt is communicated with the liquid inlet of the cooling part of the power module 3 through a second liquid-cooling joint 8, the liquid outlet of the cooling part of the power module 3 is communicated with the liquid inlet of the second shunt through a second liquid-cooled joint 8, the liquid outlet of the second flow divider is communicated with the liquid inlet of the second rotary water joint through a first liquid cooling connector 6, and the liquid outlet of the second rotary water joint is communicated with a liquid recovery device through a liquid cooling pipeline.
The cradle 2 is connected with the cabinet frame 1 through three heavy-load hinges 11.
The rotation axis of the rotary water joint 4 is coaxial with the heavy-load hinge 11.
Example 2
As shown in fig. 1-4, the present invention provides a liquid-cooled cradle cabinet, comprising: the device comprises a cradle 2, a cabinet frame 1, a power supply module 3 and a rotary water joint 4; the cradle 2 is hinged to the cabinet frame 1, the power module 3 is installed on the cradle 2, the rotary water joint 4 is located at the joint of the cradle 2 and the cabinet frame 1, a cooling part is arranged in the power module 3, and the rotary water joint 4 is communicated with the cooling part of the power module 3. Still include liquid cooling pipeline 5, liquid cooling joint 6 and shunt, liquid cooling pipeline 5 gets into being linked together with rotatory water joint 4 by the rack bottom and is connected, then rotatory water joint 4 is linked together through first liquid cooling joint 6 and shunt 7, and shunt 7 is linked together through the cooling part of second liquid cooling joint 8 with power module 3.
The two rotary water joints 4 are respectively a first rotary water joint and a second rotary water joint, the two flow dividers are respectively a first flow divider and a second flow divider, the liquid outlet of the liquid cooling pipeline 5 is communicated with the liquid inlet of the first rotary water joint, the liquid outlet of the first rotary water joint is communicated with the liquid inlet of the first flow divider through a first liquid cooling joint 6, the liquid outlet of the first shunt is communicated with the liquid inlet of the cooling part of the power module 3 through a second liquid-cooling joint 8, the liquid outlet of the cooling part of the power module 3 is communicated with the liquid inlet of the second shunt through a second liquid-cooled joint 8, the liquid outlet of the second flow divider is communicated with the liquid inlet of the second rotary water joint through a first liquid cooling connector 6, and the liquid outlet of the second rotary water joint is communicated with a liquid recovery device through a liquid cooling pipeline.
The cradle 2 is connected with the cabinet frame 1 through four heavy-load hinges 11.
The rotation axis of the rotary water joint 4 is coaxial with the heavy-load hinge 11.
The rotary water joint 4 comprises an upper shell 41 and a lower shell 42, the upper shell 41 is a cylindrical shell with an opening at the lower end, a first liquid through hole 43 is arranged on the side wall of the upper shell 41, and the first liquid through hole 43 can be used as a water inlet of the rotary water joint and also can be used as a water outlet of the rotary water joint; the lower shell 42 is a cylindrical shell with an upper end open, a second liquid port 44 is arranged on the side wall of the lower shell 42, the second liquid port 44 can be used as a water inlet of the rotary water joint and a water outlet of the rotary water joint, and the opening of the lower shell 42 is connected with the opening of the upper shell 41 in a sealing and rotating mode to form a water joint cavity.
The upper end of the lower shell 42 is provided with an extension 421 extending inwards, the extension is provided with an annular groove 422, the lower end of the upper shell 41 is provided with an annular protrusion 411 matched with the annular groove 422, and the annular protrusion 411 is clamped in the annular groove 422 in a sealing manner. Since the annular protrusion 411 and the annular groove 422 are both circular rings, relative rotation between the annular protrusion 411 and the annular groove 422 can be realized. Thereby realizing the sealed rotary connection
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A liquid cooled cradle cabinet comprising: the device comprises a cradle (2), a cabinet frame (1), a power supply module (3) and a rotary water joint (4); cradle (2) and rack frame (1) are articulated mutually, power module (3) install in on cradle (2), rotatory water joint (4) set up the junction at cradle (2) and rack frame (1), be equipped with cooling part in power module (3), rotatory water joint (4) are linked together with the cooling part of power module (3).
2. A liquid-cooled cradle cabinet according to claim 1, characterized in that the cradle (2) is connected to the cabinet frame (1) by at least three heavy-duty hinges (11).
3. The liquid cooled cradle cabinet of claim 2 wherein the axis of rotation of the swivel joint (4) is coaxial with the heavy duty hinge (11).
4. A liquid-cooled cradle cabinet according to claim 1, further comprising a liquid-cooled pipe (5), a liquid-cooled joint (6) and a diverter, wherein the liquid-cooled pipe (5) enters the cabinet from the bottom of the cabinet to be connected with the rotary water joint (4) in a communicating manner, then the rotary water joint (4) is communicated with the diverter (7) through the first liquid-cooled joint (6), and the diverter (7) is communicated with a cooling part of the power module (3) through the second liquid-cooled joint (8).
5. A liquid-cooled cradle cabinet according to claim 4, characterized in that the number of the rotary water joints (4) is two, respectively a first rotary water joint and a second rotary water joint, the number of the diverters is two, respectively a first diverter and a second diverter, the liquid outlet of the liquid-cooled pipe (5) is communicated with the liquid inlet of the first rotary water joint, the liquid outlet of the first rotary water joint is communicated with the liquid inlet of the first diverter through a first liquid-cooled joint (6), the liquid outlet of the first diverter is communicated with the liquid inlet of the cooling part of the power module (3) through a second liquid-cooled joint (8), the liquid outlet of the cooling part of the power module (3) is communicated with the liquid inlet of the second diverter through a second liquid-cooled joint (8), the liquid outlet of the second diverter is communicated with the liquid inlet of the second rotary water joint through the first liquid-cooled joint (6), and the liquid outlet of the second rotary water joint is communicated with a liquid recovery device through a liquid cooling pipeline.
6. A liquid-cooled cradle cabinet according to any one of claims 1-5, characterized in that the rotary water joint (4) comprises an upper shell (41) and a lower shell (42), the upper shell (41) is a cylindrical shell with an open lower end, a first liquid through hole (43) is arranged on the side wall of the upper shell (41), and the first liquid through hole (43) is used as a water inlet or a water outlet of the rotary water joint; lower casing (42) is upper end open-ended cylindrical shell, be equipped with second liquid opening (44) on the lateral wall of lower casing (42), second liquid opening (44) are as rotatory water joint's water inlet or delivery port, the opening part of lower casing (42) and the sealed swivelling joint of opening part of last casing (41) form the water joint cavity.
7. The liquid cooled cradle cabinet of claim 6, wherein the lower housing (42) has an inwardly extending extension at its upper end, the extension having an annular groove, and the upper housing (41) has an annular projection at its lower end, the annular projection sealingly engaging the annular groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811534768.1A CN109392294B (en) | 2018-12-14 | 2018-12-14 | Liquid cooling cradle rack |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811534768.1A CN109392294B (en) | 2018-12-14 | 2018-12-14 | Liquid cooling cradle rack |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109392294A CN109392294A (en) | 2019-02-26 |
CN109392294B true CN109392294B (en) | 2020-09-08 |
Family
ID=65429266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811534768.1A Active CN109392294B (en) | 2018-12-14 | 2018-12-14 | Liquid cooling cradle rack |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109392294B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12031780B2 (en) | 2021-08-11 | 2024-07-09 | Hoffman Enclosures Inc. | Liquid manifold for electronics cabinet |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110113920B (en) * | 2019-05-13 | 2020-10-30 | 北京无线电测量研究所 | Liquid cooling cradle rack |
GB2584991B (en) | 2019-05-21 | 2022-01-26 | Iceotope Group Ltd | Cold plate |
CN111642117B (en) * | 2020-06-22 | 2025-04-04 | 深圳比特微电子科技有限公司 | Liquid cooling cabinets for electronic equipment |
CN114938607A (en) * | 2022-05-23 | 2022-08-23 | 中国船舶集团有限公司第七二三研究所 | A liquid-cooled cradle |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206133422U (en) * | 2016-10-14 | 2017-04-26 | 国家电网公司 | cabinet |
CN108990396A (en) * | 2018-09-21 | 2018-12-11 | 深圳绿色云图科技有限公司 | Liquid cooling cabinet and liquid cooling base station |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7679909B2 (en) * | 2006-07-18 | 2010-03-16 | Liebert Corporation | Integral swivel hydraulic connectors, door hinges, and methods and systems for their use |
CN102545295A (en) * | 2010-12-30 | 2012-07-04 | 深圳科士达科技股份有限公司 | Communication power wall-mounted unit |
AR088847A1 (en) * | 2011-11-11 | 2014-07-10 | Vale Sa | BOX FOR SCANNER PROTECTION AND SYSTEM FOR READING THE HEIGHT OF THE VEHICLE PADS MILK WITH GRILLE INSIDE A GRID OVEN CONSISING OF A SCANNER PROTECTED BY THE MENTIONED BOX |
CN103717043B (en) * | 2014-01-15 | 2016-03-02 | 北京纳源丰科技发展有限公司 | One is abound with formula heat pipe heat rack |
TWI647994B (en) * | 2017-05-15 | 2019-01-11 | 廣達電腦股份有限公司 | Electronic device with heat-dissipation structure |
CN107567257A (en) * | 2017-09-26 | 2018-01-09 | 北京无线电测量研究所 | A kind of modularization self-loopa liquid cold cabinet for airborne closed environment |
-
2018
- 2018-12-14 CN CN201811534768.1A patent/CN109392294B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206133422U (en) * | 2016-10-14 | 2017-04-26 | 国家电网公司 | cabinet |
CN108990396A (en) * | 2018-09-21 | 2018-12-11 | 深圳绿色云图科技有限公司 | Liquid cooling cabinet and liquid cooling base station |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12031780B2 (en) | 2021-08-11 | 2024-07-09 | Hoffman Enclosures Inc. | Liquid manifold for electronics cabinet |
Also Published As
Publication number | Publication date |
---|---|
CN109392294A (en) | 2019-02-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109392294B (en) | Liquid cooling cradle rack | |
CN108667272B (en) | Single motor inverter assembly | |
CN108199162A (en) | The cold charging socket of liquid | |
WO2019154155A1 (en) | Electric assembly and vehicle having same | |
RU2693273C1 (en) | Charging cable unit for charging column of a electric charging station and use of such unit | |
CN111555593A (en) | Power conversion unit and mining inverter | |
CN215645255U (en) | Anti-drop interface for network security intrusion prevention device of host | |
CN211117507U (en) | Gear box structure for cooling | |
CN210093063U (en) | Detachable frequency conversion and speed regulation integrated machine device | |
CN218243274U (en) | Electric powertrain and vehicle having same | |
CN103049062A (en) | Water-cooling heat dissipation system and joint component thereof | |
CN218300005U (en) | Bottom connector and battery box | |
CN214959056U (en) | Motor assembly shell and motor assembly | |
CN213717798U (en) | Integrated controller and motor two-in-one heat dissipation casing and driving assembly | |
CN209925833U (en) | Multifunctional fluid adapter | |
CN115173116A (en) | Liquid cooling connector | |
CN211929773U (en) | A waterproof structure for a four-core pressure-bearing connector | |
CN209875746U (en) | Improved seat type sliding bearing cold tile back structure | |
CN104125743B (en) | The cooling system of communication equipment | |
CN113595329A (en) | Closed cooling spin-ring water pump motor and cooling method thereof | |
CN220544080U (en) | Immersed battery system | |
CN220692118U (en) | A submersible battery pack | |
CN218616283U (en) | Rifle cooling structure charges | |
CN210985820U (en) | A motor stator with cooling device | |
CN219040903U (en) | Waterproof plug convenient to maintain |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |