CN108036374B - Heat pipe pot - Google Patents
Heat pipe pot Download PDFInfo
- Publication number
- CN108036374B CN108036374B CN201711459826.4A CN201711459826A CN108036374B CN 108036374 B CN108036374 B CN 108036374B CN 201711459826 A CN201711459826 A CN 201711459826A CN 108036374 B CN108036374 B CN 108036374B
- Authority
- CN
- China
- Prior art keywords
- heat
- spiral coil
- pipe
- water
- evaporation section
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 107
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 239000002918 waste heat Substances 0.000 claims abstract description 38
- 238000001704 evaporation Methods 0.000 claims abstract description 34
- 230000008020 evaporation Effects 0.000 claims abstract description 34
- 239000000779 smoke Substances 0.000 claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000009833 condensation Methods 0.000 claims abstract description 8
- 230000005494 condensation Effects 0.000 claims abstract description 8
- 239000003546 flue gas Substances 0.000 claims abstract description 8
- 238000009834 vaporization Methods 0.000 claims abstract description 4
- 230000008016 vaporization Effects 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 239000011229 interlayer Substances 0.000 abstract description 9
- 239000002351 wastewater Substances 0.000 abstract 1
- 238000010411 cooking Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C13/00—Stoves or ranges with additional provisions for heating water
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention relates to a heat pipe pot for a large kitchen, which consists of an interlayer pot, a heating evaporation section, a burner, a combustion chamber, a waste heat water heater, an inner spiral coil, an outer spiral coil, a discharge flue, a hot water tank and the like, wherein the interlayer pot and the heating evaporation section are connected into a whole to form a heat pipe structure, and the heating evaporation section and the interlayer pot are respectively used as an evaporation section and a condensation section of a heat pipe; the heating evaporation section is provided with an inner spiral coil and is communicated with the combustion chamber, flue gas enters the inner spiral coil from the smoke chamber, the inner spiral coil heats working medium to vaporize, the vaporization latent heat heats the jacketed kettle, and condensate condensed on the inner surface of the jacketed kettle falls into the working medium; the initial end of an outer spiral coil in the annular waste heat water heater at the periphery of the heating evaporation section is communicated with the inner spiral coil through a smoke chamber, and smoke enters the outer spiral coil again to heat water of the waste water heater and is finally discharged from a discharge flue; a water outlet pipe, a water return pipe and a circulating pump are connected between the waste heat water heater and the hot water tank to form a forced circulation heating system.
Description
Technical Field
The invention belongs to the technical field of heat energy engineering systems, and relates to a heat pipe pot for a large kitchen.
Background
The existing large kitchen cookers using natural gas as fuel in the field generally have the problems of low heat efficiency (the heat efficiency is below 40%) and low heating speed, and 18% of heat energy in the smoke discharged from the cookers is lost, so that great waste is caused; in addition, the smoke discharged by the existing kitchen range is in the room, pollutes the indoor air and affects the health of cooking staff.
Disclosure of Invention
The invention aims to solve the problems existing in the prior art and provide a heat pipe pot with high heat efficiency and high heating speed.
The technical solution adopted for achieving the purpose of the invention is as follows: the heat pipe boiler consists of an interlayer boiler, a heating evaporation section, a burner, a combustion chamber, a waste heat water heater, an inner spiral coil, an outer spiral coil, a smoke chamber, a discharge flue, a water outlet pipe, a water return pipe, a circulating pump and a hot water tank, wherein the interlayer boiler and the heating evaporation section are connected into a whole to form a heat pipe structure, the heating evaporation section is used as an evaporation section of a heat pipe, and the interlayer boiler is used as a condensation section of the heat pipe; the heating evaporation section is provided with an inner spiral coil and is communicated with a combustion chamber controlled by a burner, smoke enters the inner spiral coil from a smoke chamber, the inner spiral coil is immersed in working medium, the inner spiral coil heats the working medium to vaporize, vaporization latent heat heats the jacketed kettle, and condensate condensed on the inner surface of the jacketed kettle falls into liquid working medium below; the initial end of the outer spiral coil in the waste heat water heater at the periphery of the heating evaporation section is communicated with the tail end of the inner spiral coil through a smoke chamber, and smoke enters the outer spiral coil again to heat water of the waste heat water heater and is finally discharged from a discharge flue; a water outlet pipe and a water return pipe are connected between the waste heat water heater and the hot water tank, and a circulating pump is arranged on the water return pipe to form a forced circulation heating system.
The further technical scheme of the invention is as follows: the working medium of the heat pipe pot is water or heat conducting oil.
The further technical scheme of the invention is as follows: the waste heat water heater is of an annular structure and is sleeved on the periphery of the heating evaporation section.
The further technical scheme of the invention is as follows: a water outlet pipe is connected between a water outlet of the waste heat water heater and a water inlet of the hot water tank, a water return pipe with a circulating pump is connected between a water outlet of the hot water tank and a water inlet of the waste heat water heater, and a forced circulation heating system of the heat pipe boiler is formed by the water outlet pipe, the water return pipe, the circulating pump, the waste heat water heater and the hot water tank.
The further technical scheme of the invention is as follows: the waste heat water heater adopts a vertical waste heat hot water tank with a corrugated heat exchange tube.
The further technical scheme of the invention is as follows: the heat pipe pot is provided with a temperature sensor, a liquid level controller, a timer, a display and an external port which are connected with the intelligent controller.
The heat pipe pot is designed according to the basic principle of a heat pipe: the interlayer pan and the heating evaporation section are connected into a whole to form a heat pipe structure, the heating evaporation section is equivalent to the evaporation section of the heat pipe, and the interlayer pan is equivalent to the condensation section of the heat pipe. In actual work, flue gas enters an inner spiral coil in a heating evaporation section from a combustion chamber, the inner spiral coil is immersed in a working medium, the working medium is heated by the inner spiral coil to be evaporated and vaporized, a jacketed kettle is heated by vaporization latent heat, condensation liquid of the vaporized working medium after condensation on the inner surface of the jacketed kettle falls into the heating evaporation section, and the operation is repeated; the outer spiral coil pipe of the annular waste heat water heater arranged at the periphery of the heating evaporation section is communicated with the inner spiral coil pipe through the smoke chamber, and smoke flowing through the inner spiral coil pipe enters the outer spiral coil pipe again to heat water in the waste heat water heater, and finally is discharged to the outside from the discharge flue; the waste heat water heater is communicated with the hot water tank through a water return pipe and a water outlet pipe, and the water return pipe is provided with a circulating pump to form a forced circulation heating system.
Compared with the prior art, the invention has the beneficial effects that:
1. the heat pipe pot works in a heat pipe mode, has strong heat transfer capacity, has extremely high heating speed of the interlayer pot, and improves cooking work efficiency;
2. the heating evaporation section has large heating area, high heat exchange strength and high heat utilization rate;
3. in the structure of the invention, most of the latent heat and sensible heat in the flue gas to be discharged are sucked into the waste heat water heater to generate hot water, so the comprehensive heat efficiency of the heat pipe boiler can reach 102 percent.
Drawings
Fig. 1 is a schematic diagram of the basic principle structure of an embodiment of the present invention.
Fig. 2 is a section A-A of fig. 1.
Fig. 3 is a schematic structural view of another embodiment of the present invention.
The numerical designations in the drawings are: 1-a hot water tank, 2-a water outlet pipe, 3-a water return pipe, 4-a circulating pump, 5-a burner, 6-a combustion chamber, 7-a heating evaporation section, 8-a jacketed kettle, 9-a working medium, 10-an inner spiral coil pipe, 11-a waste heat water heater, 12-an outer spiral coil pipe, 13-a heat insulation layer, 14-a vacuumizing pipe, 15-a smoke chamber, 16-a flue, 17-a smoke chamber A, 18-a vertical waste heat hot water tank and 19-a corrugated heat exchange pipe.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, but the practical application of the present invention is not limited to the illustrated embodiments.
Referring to fig. 1 and 2, the heat pipe boiler mainly comprises a jacketed kettle 8, a waste heat water heater 11, a burner 5, a combustion chamber 6, a heating evaporation section 7, an inner spiral coil 10, an outer spiral coil 12, a smoke chamber 15, a hot water tank 1 and the like. The jacketed kettle 8 is arranged between the inner rings of the waste heat water heater 11, and is provided with an outer spiral coil 12, and a heating evaporation section 7 provided with an inner spiral coil 10 is arranged between the inner rings of the waste heat water heater 11. The jacketed kettle 8 and the heating evaporation section 7 are connected into a whole to form a heat pipe structure, the inner surface is subjected to cleaning treatment and purification treatment during manufacturing, and the vacuumizing pipe is sealed after working medium is injected. The working medium 9 is purified water or heat conduction oil, wherein the highest working pressure taking water as the working medium can be set to be 2.3MPa, and the working temperature of 250 ℃ can be generated to meet the cooking requirement; the highest working pressure of the heat conducting oil serving as a working medium can be set to be 0.8 and can be determined according to the used temperature (the heat pipe pot for stir-frying needs high temperature, and the working medium can be the heat conducting oil). The smoke outlet of the combustion chamber 6 is communicated with one port of the inner spiral coil 10 in the heating evaporation section 7, the other port of the inner spiral coil 10 is communicated with one port of the outer spiral coil 12 through the smoke chamber 15, and the other port of the outer spiral coil 12 is communicated with the flue 16. A water return pipe 3 with a circulating pump 4 is connected between the water inlets of the waste heat water heater 11, a water outlet pipe 2 is connected between the water outlet of the waste heat water heater 11 and the water inlet of the hot water tank 1, and a forced circulation heating system of the heat pipe boiler is formed by the water outlet pipe 2, the water return pipe 3, the circulating pump 4, the waste heat water heater 11 and the hot water tank 1, so that hot water with the temperature of 50 ℃ can be produced. The heat pipe pot and the hot water system are also provided with a temperature sensor, a liquid level controller, a timer, a display and an external port which are connected with the intelligent controller.
In actual work, the high-temperature flue gas in the combustion chamber 6 heats the working medium 9 in the heating evaporation section 7 by the inner spiral coil 10 to evaporate the working medium, and the working medium steam falls into the heating evaporation section 7 after being subjected to heat release condensation on the inner surface of the jacketed kettle of the condensation section, so that the working medium 9 performs heat exchange in a liquid-vapor-liquid mode; the flue gas enters the outer spiral coil 12 from the inner spiral coil 10 to the smoke chamber 15 so as to heat water in the waste heat water heater 11, most of latent heat and sensible heat in the flue gas are fully utilized, and the flue gas is discharged from the flue 16 by tail smoke with the set temperature of 70 ℃.
The waste heat water heater adopted in the embodiment of fig. 3 is a vertical waste heat water tank 18 with a corrugated heat exchange tube 19 inside.
The heat pipe pot can be widely used in large kitchen, which not only saves natural gas for users and reduces cooking cost, but also can obviously improve working efficiency.
Claims (6)
1. A heat pipe pan, characterized in that: the heat pipe type heat pipe boiler comprises a jacketed kettle (8), a heating evaporation section (7), a vacuumizing pipe (14), a combustor (5), a combustion chamber (6), a waste heat water heater (11), an inner spiral coil (10), an outer spiral coil (12), a smoke chamber (15), a discharge flue (16), a water outlet pipe (2), a water return pipe (3), a circulating pump (4) and a hot water tank (1), wherein the jacketed kettle (8) and the heating evaporation section (7) are connected into a whole to form a heat pipe structure, the inner surface is subjected to cleaning treatment and purification treatment during manufacturing, the vacuumizing pipe (14) is vacuumized and sealed after working medium is injected, the heating evaporation section (7) is used as the evaporation section of the heat pipe, and the jacketed kettle (8) is used as the condensation section of the heat pipe; the heating evaporation section (7) is provided with an inner spiral coil (10) and is communicated with a combustion chamber (6) controlled by a burner (5), flue gas enters the inner spiral coil (10) from a smoke chamber, the inner spiral coil (10) is immersed in a working medium (9), the inner spiral coil (10) heats the working medium (9) to vaporize, latent heat of vaporization heats a jacketed kettle (8), and condensate condensed on the inner surface of the jacketed kettle (8) falls into the liquid working medium below; the starting end of an outer spiral coil (12) in a waste heat water heater (11) at the periphery of the heating evaporation section (7) is communicated with the tail end of an inner spiral coil (10) through a smoke chamber (15), smoke enters the outer spiral coil (12) again to heat water of the waste heat water heater (11), and finally is discharged from a discharge flue (16); a water outlet pipe (2) and a water return pipe (3) are connected between the waste heat water heater (11) and the hot water tank (1), and a circulating pump (4) is arranged on the water return pipe (3) to form a forced circulation heating system.
2. The heat pipe pan of claim 1, wherein: the working medium (9) of the heat pipe pot is water or heat conducting oil.
3. The heat pipe pan of claim 1, wherein: the waste heat water heater (11) is of an annular structure and is sleeved on the periphery of the heating evaporation section (7).
4. The heat pipe pan of claim 1, wherein: a water outlet pipe (2) is connected between a water outlet of the waste heat water heater (11) and a water inlet of the hot water tank (1), a water return pipe (3) with a circulating pump (4) is connected between a water outlet of the hot water tank (1) and a water inlet of the waste heat water heater (11), and a forced circulation heating system of the heat pipe boiler is formed by the water outlet pipe (2), the water return pipe (3), the circulating pump (4), the waste heat water heater (11) and the hot water tank (1).
5. The heat pipe pan of claim 1, wherein: the waste heat water heater adopts a vertical waste heat hot water tank (18) with a corrugated heat exchange tube (19) inside.
6. The heat pipe pan of claim 1, wherein: the heat pipe pot is provided with a temperature sensor, a liquid level controller, a timer, a display and an external port which are connected with the intelligent controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459826.4A CN108036374B (en) | 2017-12-28 | 2017-12-28 | Heat pipe pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711459826.4A CN108036374B (en) | 2017-12-28 | 2017-12-28 | Heat pipe pot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036374A CN108036374A (en) | 2018-05-15 |
| CN108036374B true CN108036374B (en) | 2024-03-15 |
Family
ID=62098330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711459826.4A Active CN108036374B (en) | 2017-12-28 | 2017-12-28 | Heat pipe pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036374B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109442491A (en) * | 2018-12-05 | 2019-03-08 | 陕西科弘实业发展有限公司 | Cooker with heat pipe with the center combustion chamber Hui Yan |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035066U (en) * | 1988-04-22 | 1989-03-29 | 赵俊 | Hot pipe water-heating device for domestic gas stove |
| JP2003153799A (en) * | 2001-11-20 | 2003-05-27 | Zojirushi Corp | Cooking pot and cooking apparatus using the same |
| JP2003279160A (en) * | 2002-03-22 | 2003-10-02 | Ishikawajima Harima Heavy Ind Co Ltd | Fluid heater |
| CN103256705A (en) * | 2012-02-16 | 2013-08-21 | 朱杰 | Condensing radial heat-pipe boiler |
| CN103307624A (en) * | 2013-06-18 | 2013-09-18 | 管理 | Scale-free direct-current gas boiler for heat pipe heat setting pool provided with double coils and furnace flue |
| CN103851651A (en) * | 2014-03-10 | 2014-06-11 | 南京师范大学 | Energy-saving heated brick bed system based on pulse heat pipe recovery afterheat |
| CN104279753A (en) * | 2014-08-07 | 2015-01-14 | 长兴新峰印染有限公司 | Flue residual heat recovery type heat transfer oil boiler |
| CN204285799U (en) * | 2014-11-12 | 2015-04-22 | 浙江上能锅炉有限公司 | A kind of carbonated drink dual-purpose vacuum boiler |
| CN104848261A (en) * | 2015-05-26 | 2015-08-19 | 苏州福利恒电子科技有限公司 | Efficient return air furnace |
| CN104913294A (en) * | 2014-10-02 | 2015-09-16 | 大唐(北京)能源管理有限公司 | Waste heat recovery system for smoke discharging of thermal power plant boiler |
| CN207849460U (en) * | 2017-12-28 | 2018-09-11 | 陕西科弘实业发展有限公司 | Cooker with heat pipe |
-
2017
- 2017-12-28 CN CN201711459826.4A patent/CN108036374B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035066U (en) * | 1988-04-22 | 1989-03-29 | 赵俊 | Hot pipe water-heating device for domestic gas stove |
| JP2003153799A (en) * | 2001-11-20 | 2003-05-27 | Zojirushi Corp | Cooking pot and cooking apparatus using the same |
| JP2003279160A (en) * | 2002-03-22 | 2003-10-02 | Ishikawajima Harima Heavy Ind Co Ltd | Fluid heater |
| CN103256705A (en) * | 2012-02-16 | 2013-08-21 | 朱杰 | Condensing radial heat-pipe boiler |
| CN103307624A (en) * | 2013-06-18 | 2013-09-18 | 管理 | Scale-free direct-current gas boiler for heat pipe heat setting pool provided with double coils and furnace flue |
| CN103851651A (en) * | 2014-03-10 | 2014-06-11 | 南京师范大学 | Energy-saving heated brick bed system based on pulse heat pipe recovery afterheat |
| CN104279753A (en) * | 2014-08-07 | 2015-01-14 | 长兴新峰印染有限公司 | Flue residual heat recovery type heat transfer oil boiler |
| CN104913294A (en) * | 2014-10-02 | 2015-09-16 | 大唐(北京)能源管理有限公司 | Waste heat recovery system for smoke discharging of thermal power plant boiler |
| CN204285799U (en) * | 2014-11-12 | 2015-04-22 | 浙江上能锅炉有限公司 | A kind of carbonated drink dual-purpose vacuum boiler |
| CN104848261A (en) * | 2015-05-26 | 2015-08-19 | 苏州福利恒电子科技有限公司 | Efficient return air furnace |
| CN207849460U (en) * | 2017-12-28 | 2018-09-11 | 陕西科弘实业发展有限公司 | Cooker with heat pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108036374A (en) | 2018-05-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108088074A (en) | Novel oil smoke heat recovery system and method based on absorption heat pump | |
| CN108036374B (en) | Heat pipe pot | |
| CN102878586A (en) | Pressure-bearing split energy-saving coal oven | |
| CN108826387B (en) | Commercial integrated kitchen | |
| CN107869860A (en) | A kind of first-class absorption type heat pump of solar energy auxiliary heating | |
| CN207849460U (en) | Cooker with heat pipe | |
| CN203837054U (en) | Steam cauldron stove | |
| CN109775789B (en) | Heat pipe vacuum drying system and application thereof | |
| CN203731683U (en) | Vacuum hot water boiler | |
| CN203384963U (en) | Steam return water waste heat recovery device | |
| CN206130943U (en) | Clean steam generator | |
| CN107101374A (en) | A kind of method that non-condensing wall-hung boiler changes deep condensation wall-hung boiler | |
| CN210055650U (en) | Steam engine for kitchen | |
| CN209484663U (en) | Cooker with heat pipe with the center combustion chamber Hui Yan | |
| CN203922782U (en) | Multiple-effect vacuum boiling type sea water desalinating plant | |
| CN208365831U (en) | Fuel vapor low-carbon vacuum boiler | |
| CN206904942U (en) | Heat-exchanging water tank and steamer equipment | |
| CN202328421U (en) | Combined hearth waste heat reuse device for commercial gas cooker | |
| CN204901709U (en) | Evaporate cabinet steam generator | |
| CN208779437U (en) | Condense steam box | |
| CN211400902U (en) | Waste heat recovery device at top of rectifying tower | |
| CN102878592A (en) | Pressurized and separated oil gas hot water oven | |
| CN109028136A (en) | A kind of high temperature water circle device of energy-saving gas boiler | |
| CN203586546U (en) | Water heater heated by conduction oil | |
| CN201373701Y (en) | Heat exchanging coil of water heater |
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 |