CN2797967Y - Four seasons energy saving environmental-protection cold/warm air conditioner three-purpose apparatus - Google Patents
Four seasons energy saving environmental-protection cold/warm air conditioner three-purpose apparatus Download PDFInfo
- Publication number
- CN2797967Y CN2797967Y CN 200520043127 CN200520043127U CN2797967Y CN 2797967 Y CN2797967 Y CN 2797967Y CN 200520043127 CN200520043127 CN 200520043127 CN 200520043127 U CN200520043127 U CN 200520043127U CN 2797967 Y CN2797967 Y CN 2797967Y
- Authority
- CN
- China
- Prior art keywords
- heat
- heat exchanger
- valve
- water cooling
- base phase
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a cold and warm three-purpose air conditioner with four-season energy saving and environment protection. An inlet and an outlet of a heat pump are respectively connected with a four-way valve. One of other two pipelines of the four-way valve is connected with a water cooling heat exchanger and a paraffin base phase heat exchanger, and a valve of the other pipeline is respectively connected with an air cooling heat exchanger of an indoor machine and a water cooling heat exchanger. The interior of a heat radiation device is provided with a variable heat conduction pipe, the condensation end of the heat radiation device is connected with the paraffin base phase heat exchanger and the evaporation end is connected with the water cooling heat exchanger. The paraffin base phase heat exchanger is connected with a throttle valve J through a valve, and is connected with an outlet of the water cooling heat exchanger through a valve. The other end of the air cooling heat exchanger of an indoor machine is connected with the throttle valve J through a pipeline and a valve, and is connected with a buffer tank through a valve. Other two connection end openings of the buffer tank are respectively connected with the outlet of the water cooling heat exchanger and the throttle valve through the pipelines which are provided with valves. The utility model can refrigerate and provide hot water in summer, and can produce heat in winter and provide the hot water. The utility model can be likewise used as a heat pump type water heater in other seasons.
Description
Technical field
The utility model relates to a kind of energy-conserving and environment-protective cooling and heating air conditioner, especially a kind ofly takes into account the energy-conserving and environment-protective cooling and heating air conditioner that environmental protection and architectural appearance air conditioner attractive in appearance and water heater power-saving technology combine.
Background technology
Existing air conditioner is only useful in two seasons of winter in summer, and generally speaking, then is in idle state in spring and autumn, this equipment is that utilization rate is not high for the user, and, be easy to make the fund of writing to overstock for producer and manufacturer, be a kind of waste of equipment and fund.
At present, generally the air-conditioning of Shi Yonging all is indoor cooling and heating load to be purged by blower fan by outdoor unit to heat or cool off, being about three times of cooler compressor power consumption to the heat of outdoor discharging in summer refrigeration, is wasting of a kind of heat.And in living area and the public place of some air cooled air conditioners installations than comparatively dense, and the air temperature of neighboring area will significantly raise, this is because a large amount of air-conditioning equipments causes to the heat that the external world emits, and therefore the tropical island effect in the city produces.
The water heater that generally uses in the life has electric heater and pipeline thermal hydrophone.The former, serious to waste of electric energy, and cause the accident of electric leakage, electric shock etc. easily; And the latter except water temperature is not easy control, causes outside the scald easily, also exists many unsafe hidden danger, such as the life that takes place frequently owing to the improper gas poisoning event frequency that causes of installation.
Existing domestic, electric water heater power consumption is big, and the utilization rate of electric energy quality is low, and the electric heating transformation ratio is less than 1, and all can use throughout the year, and three-person household is measured 150 liters with the warm washing water and is heated to 50 ℃ from 20 ℃ and calculates about 5.2 degree of day power consumption, about 1800 degree of year power consumption.
In addition, the service water cold type that occurs on the market now (outdoor unit water cooling) air-conditioning system, also need to spend extra fund and set up a cooling water (cooling tower) system, cooling working medium is discharged into the surrounding environment by cooling tower from the heat of indoor absorption goes, this way can not fundamentally solve the waste problem of heat energy.
Chinese invention patent application number 92110270.4, a 1994.3.23 disclosed a kind of refrigerating heat pump hot water apparatus in open day, and it is a kind of air-cooled condenser to be made into water-cooled condenser, and no longer air-cooled refrigerating function.Another kind of is to increase water-cooled condenser between exhaust outlet of compressor and air-cooled condenser inlet.Preceding a kind of scheme is fit to do Teat pump boiler, but because summer is very big with air conditioning quantity, the water yield that water-cooled condenser need consume is also very big, and only depending on domestic consumption is to be difficult to balance, and is not suitable for promoting in the water-deficient area.Often can not annually use but the back is a kind of, can not bring into play the hot water effect of air-conditioning throughout the year.
And Chinese patent application 02116049.X, open day 2002.12.18 discloses energy-conservation cold-heat air-conditioning, water-heating three-purpose machine of a kind of four seasons.Though it can use in the four seasons, still kept outdoor unit, the noise that outdoor unit sends during operation is very big, again owing to be the concentrated discharging of heat, still is easy to cause tropical island effect.Simultaneously, the existence of outdoor unit has not only destroyed the aesthetic measure of architectural appearance on intuitively, and stays the appearance looks elegant degree that spot such as water stain can influence building equally behind the long-term outdoor unit operation on metope.
Summary of the invention
The utility model is in order to overcome the deficiency of existing air-conditioning and water heater, and the defective of existing cold-heat air-conditioning, water-heating three-purpose machine existence, the three-way set of a kind of efficient, reliable, environmental protection, energy-conservation four seasons energy-conserving and environment-protective air conditioner is provided, it not only can and provide hot water in summer refrigeration, heat and provide hot water in the winter time, and can be used as the heat pump water heater use equally in other season.
The technical solution of the utility model is achieved in that a kind of four seasons energy-conserving and environment-protective air conditioner three-way set; comprise by the indoor machine wind cold heat exchanger; indoor machine fan; the wind direction air deflector; the indoor units that indoor temperature transmitter cross valve and heat pump are formed; water cooling heat exchanger, heat-pipe radiating apparatus, and operational protection system.Also can comprise and add heat storage water tank or electric auxiliary heating system.
The import and export of heat pump are connected with the two ends of cross valve; And an end is connected with water cooling heat exchanger, paraffinic base phase-change heat-exchange device respectively by pipeline, valve in other two ports of cross valve, the other end is connected with indoor machine wind cold heat exchanger, water cooling heat exchanger respectively by pipeline, valve, the condensation end of heat-pipe radiating apparatus is connected to paraffinic base phase-change heat-exchange device, and evaporation ends is connected with water cooling heat exchanger; The paraffinic base phase-change heat-exchange device other end links to each other with choke valve J, links to each other with the outlet of water cooling heat exchanger through valve by valve; Another interface of indoor machine wind cold heat exchanger links to each other with choke valve by pipeline, valve, links to each other with surge tank through valve; Surge tank two interfaces in addition links to each other with outlet, the choke valve of water cooling heat exchanger B through valve respectively.
The inner uniform coil pipe of water-cooled heat exchange radiator, and coil pipe is provided with a cavity that is used to store water outward.Heat-pipe radiating apparatus is made of the inflatable variable heat conduction pipe.
Paraffinic base phase-change heat-exchange device another part is directly connected to outdoor, and adopt embedded mounting means to be installed in the exterior wall of building, be provided with thermal insulation board in the body of wall, water cooling heat exchanger is installed on the thermal insulation board, paraffinic base phase-change heat-exchange outside of deivce face is provided with heat exchange fin, and heat-pipe radiating apparatus places between paraffinic base phase-change heat-exchange device and the water cooling heat exchanger.Paraffinic base phase-change heat-exchange device inside is provided with paraffinic base phase-change heat-exchange material, and heat-exchanging tube bundle is installed.
The utility model not only can and provide hot water in summer refrigeration, heats and provide hot water in the winter time, and can be used as heat pump water heater equally in other season and use, and is more energy-conservation 100% than electric heater summer, other seasons energy-conservation about 70%.Under the prerequisite of reliability service, can reach good energy-conservation and environment protecting, solve air-conditioner and be in an idle state and the big difficult problem of electric heater power consumption above in the time of half a year.
The utility model also has a remarkable advantage to be exactly: each unit is closed, all is independently, so can effectively not control this class disease, such as the diffusion of SARS owing to air-born germs are propagated or diffuse through in the exchange of air.
Description of drawings
Fig. 1 is the utility model annexation schematic diagram;
Fig. 2 is that the utility model carries out heat supply circulation time circulation route schematic diagram;
Fig. 3 is the utility model circulation route schematic diagram when carrying out kind of refrigeration cycle;
Fig. 4 is a kind of layout and the fundamental diagram of water cooling heat exchanger B in the utility model, heat-pipe radiating apparatus R, paraffinic base phase-change heat-exchange device S.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1, four seasons energy-conserving and environment-protective air conditioner three-way set comprises the indoor units worker, water cooling heat exchanger B; heat-pipe radiating apparatus R, paraffinic base phase-change heat-exchange device S, choke valve J; and operational protection system, needs as the case may be can also add heat storage water tank or electric auxiliary heating system.
Indoor units I (seeing frame of broken lines part among Fig. 1) mainly is made up of existing indoor machine of air conditioner and heat pump T and cross valve C.Existing indoor machine of air conditioner group mainly comprises indoor machine wind cold heat exchanger V, indoor machine fan, wind direction air deflector, indoor temperature transmitter.
The import and export of heat pump T are connected with two interfaces of cross valve C respectively, and heat pump T is connected in the middle of the whole pipeline by cross valve C.Other two ends of cross valve C, one end is by pipeline, valve F9, F10 is connected with water cooling heat exchanger B, paraffinic base phase-change heat-exchange device S respectively, the other end is by pipeline, valve F2, F1 is connected with indoor machine wind cold heat exchanger V, water cooling heat exchanger B respectively, the condensation end of heat-pipe radiating apparatus R is connected to paraffinic base phase-change heat-exchange device S, and evaporation ends is connected with water cooling heat exchanger B; Be evenly equipped with heat exchange pipeline branch among the paraffinic base phase-change heat-exchange device S, total road of these branches links to each other with choke valve J by valve F8 respectively, and links to each other with the outlet of water cooling heat exchanger B through valve F7; Another interface of indoor machine wind cold heat exchanger V links to each other with choke valve J by pipeline, valve F5, links to each other with surge tank G through valve F3; Two interfaces are respectively through valve F4 in addition for surge tank G, and F6 links to each other with outlet, the choke valve J of water cooling heat exchanger B.
Water cooling heat exchanger B adopts coil design, and is flat and can store a certain amount of water.Generally can be installed in bathroom or kitchen.Calculate according to three-person household, its capacity can be 150L.In addition, needs according to actual operating position, this water cooling heat exchanger B can be connected with pipeline with additional heat storage water tank, when the water in the water cooling heat exchanger all is heated to predetermined temperature, hot water in it can be preserved by being transported to upper pipeline among the additional heat storage water tank A, and the user uses the hot water in the additional heat storage water tank earlier when needs use hot water.
Indoor machine of air conditioner still adopts existing mounting means.In the utility model, heat pump T will be installed in indoor suitable position, such as the kitchen.Additional heat storage water tank A can consider to adopt flat cabinet design, is installed in the interlayer in kitchen and bathroom.
Heat-pipe radiating apparatus R adopts the inflatable variable heat conduction pipe.When the water temperature in water cooling heat exchanger B reaches design temperature, reaching the effect that still can play the cooling refrigeration agent after water temperature requires in order to make the water among the water-cooled heat exchanger B.In this time, water cooling heat exchanger B just is the equal of a heat transfer unit (HTU), and by water cooling heat exchanger B, the heat of cold-producing medium is taken away by heat pipe in the middle of the loop, realizes the cooling effect to cold-producing medium.Heat-pipe radiating apparatus R is the inflatable variable heat conduction pipe owing to what adopt, selects suitable heat pipe hydraulic fluid, and the control to the water temperature in the water cooling heat exchanger that just can realize makes water temperature reach uniform temperature and no longer rises later on.Each root heat pipe among the heat-pipe radiating apparatus R all is unit independently, so, if there is a heat pipe to be damaged, then only needs to replace this problematic heat pipe, and need not replace whole heat-pipe radiating apparatus R.
Heat-pipe radiating apparatus R, evaporation ends are installed among the water cooling heat exchanger B, and its condensation end is connected to paraffinic base phase-change heat-exchange device S.In the circulation that heats, the cold-producing medium heat-exchanging tube bundle in the paraffinic base phase-change heat-exchange device S of flowing through, this paraffinic base phase-change heat-exchange device S during this time can bear the heat exchange task of carrying out between cold-producing medium and open-air.
The condensation end of heat-pipe radiating apparatus is connected to paraffinic base phase-change heat-exchange device S, and the heat of coming from the heat pipe conduction at first stores among paraffinic base phase-change heat-exchange device S, and the auxiliary heat-exchanger rig S whole day of paraffinic base phase transformation is to extraneous slowly-releasing heat then.Can avoid the concentrated discharging of heat like this and produce tropical island effect.
The auxiliary heat-exchanger rig S another part of this paraffinic base phase transformation is directly connected to outdoor, can absorb the heat in the heat pipe and discharges to outdoor atmosphere.Because adopt the phase-change material of paraffinic base, itself can store a certain amount of heat, be a kind of process slowly so the heat of environment is discharged.Compare with existing outdoor air-cooled unit, this heat-exchanger rig is a kind of heat abstractor that does not have external energy, and noiselessness pollutes, and has the characteristics of energy-conserving and environment-protective.
Operational protection system also comprises surge tank G except the control of various existing air-conditioning systems and electronics valve etc.The effect of surge tank G is that the cold-producing medium of two bursts of different thermodynamic status of will come out from water cooling heat exchanger B and indoor machine wind cold heat exchanger evenly mixes, thereby guarantees to allow cold-producing medium enter choke valve J with same thermodynamic property.
As shown in Figure 2, when the utility model is done the heat supply circulation, the cold-producing medium of the HTHP that comes out from heat pump T, effect by cross valve C enters the heat supply circulation line, the valve F1 of leading up to enters water cooling heat exchanger B, heat the cold water that is stored in wherein, reach self cooling purpose simultaneously, enter surge tank G through valve F4 then; Another road enters air in the indoor heat exchanger V heating clamber by valve F2, enters surge tank G by valve F3 afterwards.Two fluid streams enter choke valve J by valve F6 after mixing in the G in surge tank.Afterwards, chilled cold-producing medium enters paraffinic base phase-change heat-exchange device S by valve F8 and finishes heat transfer process, enters heat pump T by valve F9 and cross valve C then and restarts circulation.
Operation control system has in water cooling heat exchanger B temperature sensing device is arranged, when the water among the water cooling heat exchanger B reaches in the heat pipe refrigerant liquid boiling point, valve F1 closes under the effect of electric-control system automatically, cold-producing medium in the whole system is only walked this road of heat supply, just only plays the effect that regulates the room temperature.Water in water cooling heat exchanger B naturally cools to uniform temperature, and after 40 ℃, temperature sensing device is opened automatically by electric-control system control valve F1, and cold-producing medium enters water cooling heat exchanger B once more and heats wherein water.
When do not need to regulate the situation of indoor air temperature season in spring and autumn, this three-way set can use as heat pump water heater separately, and the route that its cold-producing medium is passed by is: heat pump T → cross valve C → valve F1 → water cooling heat exchanger B → valve F4 → surge tank G → valve F6 → choke valve J → valve F8 → paraffinic base phase-change heat-exchange device S → valve F9 → cross valve C → heat pump T
When using as water heater, when the water temperature among the water cooling heat exchanger B reached the temperature of user's setting, whole system was out of service under the effect of operation circuit.
As shown in Figure 3, refrigerant circulation line of the present utility model is: heat pump T → cross valve C → valve F10 → water cooling heat exchanger B → valve F7 → choke valve J → valve F5 → indoor heat exchanger V → valve F2 → cross valve C → heat pump T.
After being heated to rated temperature in the water among the water cooling heat exchanger B, heat-pipe radiating apparatus R radiating efficiency increases, heat unnecessary among the water cooling heat exchanger B is delivered among the paraffinic base phase-change heat-exchange device S, when the heat of taking away when the heat and the heat pipe of cold-producing medium transmission feedwater equated, the water temperature among the water cooling heat exchanger B just no longer rose.Paraffinic base phase-change heat-exchange device S inner surface (with the indoor one side that contacts) is good heat-insulating material, and outer surface (one side that contacts with ambient atmosphere) is the good heat transfer material, and outer surface can also arrange that heat exchange fin strengthens the heat exchange effect.Paraffinic base phase-change heat-exchange device S itself can store a certain amount of heat energy, by its outer surface, heat is discharged in the outside atmosphere lentamente then.
As shown in Figure 4, the auxiliary heat-exchanger rig S another part of paraffinic base phase transformation of the present utility model is directly connected to outdoor, and adopt embedded mounting means to be installed among the exterior wall W of building, be provided with thermal insulation board D in the body of wall W, water cooling heat exchanger B is installed on the thermal insulation board D, paraffinic base phase-change heat-exchange device S outer surface is provided with heat exchange fin S2, and its inner surface is provided with paraffinic base heat exchange material S1, and heat-pipe radiating apparatus R places between paraffinic base phase-change heat-exchange device S and the water cooling heat exchanger B.
Claims (6)
1. four seasons energy-conserving and environment-protective air conditioner three-way set, comprise by indoor machine wind cold heat exchanger (V), indoor machine fan, the wind direction air deflector, the indoor units (I) that indoor temperature transmitter cross valve (C) and heat pump (T) are formed, water cooling heat exchanger (B), heat-pipe radiating apparatus (R), and operational protection system, it is characterized in that: the import and export of described heat pump (C) are connected with the two ends of cross valve (C); And an end passes through pipeline, valve (F9 in other two ports of cross valve (C), F10) be connected with water cooling heat exchanger (B), paraffinic base phase-change heat-exchange device (S) respectively, the other end is by pipeline, valve (F2, F1) be connected with indoor machine wind cold heat exchanger (V), water cooling heat exchanger (B) respectively, the condensation end of heat-pipe radiating apparatus (R) is connected to paraffinic base phase-change heat-exchange device (S), and evaporation ends is connected with water cooling heat exchanger (B); Paraffinic base phase-change heat-exchange device (S) other end links to each other with choke valve J, links to each other through the outlet of valve (F7) with water cooling heat exchanger (B) by valve (F8); Another interface of indoor machine wind cold heat exchanger (V) links to each other with choke valve (J) by pipeline, valve (F5), links to each other with surge tank (G) through valve (F3); (F4's other two interfaces of surge tank (G) F6) links to each other with outlet, the choke valve (J) of water cooling heat exchanger B through valve respectively.
2. four seasons energy-conserving and environment-protective air conditioner three-way set according to claim 1 is characterized in that, also can comprise adding heat storage water tank or electric auxiliary heating system.
3. four seasons energy-conserving and environment-protective air conditioner three-way set according to claim 1 is characterized in that, the inner uniform coil pipe of described water-cooled heat exchange radiator (B), and coil pipe is provided with a cavity that is used to store water outward.
4. four seasons energy-conserving and environment-protective air conditioner three-way set according to claim 1 is characterized in that described heat-pipe radiating apparatus (R) is made of the inflatable variable heat conduction pipe.
5. four seasons energy-conserving and environment-protective air conditioner three-way set according to claim 1, it is characterized in that, described paraffinic base phase-change heat-exchange device (S) another part is directly connected to outdoor, and adopt embedded mounting means to be installed in the exterior wall (W) of building, be provided with thermal insulation board (D) in the body of wall (W), water cooling heat exchanger (B) is installed on the thermal insulation board (D), paraffinic base phase-change heat-exchange device (S) outer surface is provided with heat exchange fin (S2), and heat-pipe radiating apparatus (R) places between paraffinic base phase-change heat-exchange device (S) and the water cooling heat exchanger (B).
6. four seasons energy-conserving and environment-protective air conditioner three-way set according to claim 1 or 5 is characterized in that described paraffinic base phase-change heat-exchange device (S) inside is provided with paraffinic base phase-change heat-exchange material (S1), and heat-exchanging tube bundle is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520043127 CN2797967Y (en) | 2005-07-04 | 2005-07-04 | Four seasons energy saving environmental-protection cold/warm air conditioner three-purpose apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520043127 CN2797967Y (en) | 2005-07-04 | 2005-07-04 | Four seasons energy saving environmental-protection cold/warm air conditioner three-purpose apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2797967Y true CN2797967Y (en) | 2006-07-19 |
Family
ID=36869210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520043127 Expired - Fee Related CN2797967Y (en) | 2005-07-04 | 2005-07-04 | Four seasons energy saving environmental-protection cold/warm air conditioner three-purpose apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2797967Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865627A (en) * | 2012-09-12 | 2013-01-09 | 广东美的暖通设备有限公司 | Air conditioner indoor unit |
| CN112211308A (en) * | 2020-10-22 | 2021-01-12 | 天津大学 | Multistage radiation phase change wall adopting air source heat pump system |
-
2005
- 2005-07-04 CN CN 200520043127 patent/CN2797967Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865627A (en) * | 2012-09-12 | 2013-01-09 | 广东美的暖通设备有限公司 | Air conditioner indoor unit |
| CN112211308A (en) * | 2020-10-22 | 2021-01-12 | 天津大学 | Multistage radiation phase change wall adopting air source heat pump system |
| CN112211308B (en) * | 2020-10-22 | 2022-04-15 | 天津大学 | Multistage radiation phase change wall adopting air source heat pump system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107062473A (en) | A kind of solar air source heat pumps combined supply system | |
| CN101476760B (en) | Multi-heat source dwelling house comfortable integration system based on solar energy | |
| CN100443826C (en) | Multifunction geothermal-energy heat pump radiation air-conditioner and water heating system | |
| CN103776114B (en) | The comprehensive energy consumption system of direct-expansion-type pump type heat and control method thereof | |
| CN104990174A (en) | Direct expansion type air-water cooled air conditioning system | |
| CN2797967Y (en) | Four seasons energy saving environmental-protection cold/warm air conditioner three-purpose apparatus | |
| CN1300527C (en) | Triple purpose apparatus for environmental protective cooling and warming air condition energy saved in the four seasons | |
| CN202328596U (en) | Air conditioning device | |
| CN1888637A (en) | Hot pump type air conditioner set with water heater | |
| CN2809484Y (en) | Four-season energy-saving environment-friendly heating and cooling air conditioner with water heating function | |
| CN101285625B (en) | Ground source warm and cold air conditioner system | |
| CN1300526C (en) | Energy saving and environmental protective in the four seasons cooling and warming air conditioner possessing hot water function | |
| KR101092041B1 (en) | system for supplying of hot water in an apartment house | |
| CN214009612U (en) | Grating selective passive radiation refrigerating device | |
| CN201014834Y (en) | Earth source heat pump radiation air conditioner and water heater | |
| CN203533982U (en) | Heat exchanger and air conditioner | |
| CN209084970U (en) | Compound cooling supply air-conditioning device | |
| CN106196257A (en) | Heat pump and heating system | |
| CN1341834A (en) | Hot pump type air-conditioning water-heater | |
| CN102563754B (en) | Air conditioning device | |
| CN205747571U (en) | A kind of straight swollen air-conditioning device of carbon dioxide | |
| KR200191303Y1 (en) | Device for cooling and heating using water cooling type heat pump | |
| CN203687450U (en) | Direct-expansion heat pump type comprehensive energy consumption system | |
| CN204593657U (en) | Waterfall type is without water tower central water cold air-conditioning natural wind heat transmission equipment | |
| CN215453689U (en) | Data center heat pipe air conditioning system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |