CN201954743U - Quickly-heating type instant-boiling air heat energy heat pump water boiler - Google Patents
Quickly-heating type instant-boiling air heat energy heat pump water boiler Download PDFInfo
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- CN201954743U CN201954743U CN 201120031829 CN201120031829U CN201954743U CN 201954743 U CN201954743 U CN 201954743U CN 201120031829 CN201120031829 CN 201120031829 CN 201120031829 U CN201120031829 U CN 201120031829U CN 201954743 U CN201954743 U CN 201954743U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
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Abstract
The utility model discloses a quickly-heating type instant-boiling air heat energy heat pump water boiler which comprises an air heat energy heat pump system and a boiling water control processing system. The air heat energy heat pump system and the boiling water control processing system are connected by a condenser assembly, wherein the condenser assembly is internally provided with a refrigerant heat carrying pipe and a water system pipe which are both of an independent loop countercurrent structure. The multilevel temperature difference heat release and ascending heat extraction technical principle is creatively adopted in the utility model, the outlet water temperature of a monopolar heat pump is improved to 100 DEG C above by using the condenser assembly, boiling water is produced; in addition, after flowing over a undercooling device, refrigerant keeps good low temperature state at a throttle valve so as to ensure that the refrigerant entering an evaporator can evaporate and absorb heat from environmental air efficiently and further better reduce environmental temperature to achieve refrigerating effect; therefore, the quickly-heating type instant-boiling air heat energy heat pump water boiler can be used for improving and adjusting the refrigerating effect of air indoors.
Description
Technical field
The utility model relates to a kind of boiler, especially relates to a kind of air heat energy heat pump boiler of energy-conserving and environment-protective.
Background technology
Now, such as in vast hospital of school, universities, office, enterprises and institutions office space, public place: as station waiting room, airport airport lounge etc., hotel, restaurant, wineshop, industrial and mining enterprises, teahouse, teahouse club, drink, dining room and even family etc., electric water-boiling device or boiler boiler then are indispensable drinking equipments.Electric water-boiling device has another name called electric water boilers, its development so far, go through on traditional positive displacement and intake, traditional cold and hot boiling type, the water inlet of positive displacement bottom, four generations of fast heating type instant opening type electric water boiler, the innovation though technology is constantly upgraded, on boiler equipment design and construction, solved the critical defect of traditional electrical boiler, the program control Computerized controller design of " chip " formula of introduction, optimized control system, adopt insulation construction design and filled thermal insulation materials heat-insulation and heat-preservation simultaneously, reduce the heat leakage loss, compare, solved water with traditional boiler, many disadvantages such as thousand boiling water, reduce the part energy consumption, and improved Energy Efficiency Ratio.But, because its heating technique route of above-mentioned electric water boiler (electric water boilers) and theoretical foundation all are the same, all the time be to adopt electrical heating elements electrothermal tube technology to convert electrical energy into heat energy heating boiling water, 1 degree electric energy caloric value 860kcal, Energy Efficiency Ratio (w/w) can't break through greater than 1 all the time less than 1.Self-evident shortcoming is that heat time heating time is tediously long, is unfavorable for energy savings, increases network load, and it is short and change frequent to occur service life of water phenomenon and electrical heating elements easily.
In recent years, application and development along with warm water field during the air source heat pump technology is about 60 ℃, in the boiler industry field, people have proposed air source heat pump boiler notion and part technology path, in Chinese patent literature, disclose the technical scheme of air source heat pump boiler, as Chinese patent CN101699181A a kind of heat-pump type electric water boiler is disclosed typically, Chinese patent CN1908543A discloses a kind of air source heat pump boiler, these two patented technology schemes are owing to be subjected to the heat pump hot properties and condenser heat exchange and the restriction barrier of carrying thermal technology, both more most important core technology highway route design basic points are almost identical, all be to take air source heat pump to combine with electric heating heat pipe heating technique, earlier by heat pump techniques with the cold water preheating after, adopt post bake components and parts electrothermal tube that preheating hot water post bake is boiled to 100 ℃ of boiling water again.In view of this, how to realize the fast heating type instant opening type air heat energy heat pump boiler of the auxilliary heater of no electrothermal tube of super energy-conserving and environment-protective, become pay close attention to and the technical problem that expectation solves of industry.
The utility model content
The purpose of this utility model just is to provide a kind of fast heating type instant opening type air heat energy heat pump boiler, and its overall structure advantages of simple, automatic intelligent degree height, high performance-price ratio, fractional energy savings are remarkable, have overcome weak point in the prior art.
To achieve these goals, the technical solution adopted in the utility model is such: a kind of fast heating type instant opening type air heat energy heat pump boiler, include air heat energy heat pump system and boiling water control treatment system, air heat energy heat pump system and boiling water control treatment system realize connecting by the condenser assembly device, wherein, be provided with cold-producing medium heat-carrying pipeline and water system pipeline in the condenser assembly device, cold-producing medium heat-carrying pipeline and water system pipeline are the independent loop counterflow configuration.
As preferably; described air heat energy heat pump system is connected to form by electrically-driven compressors, condenser assembly device, liquid trap, supercooling apparatus, choke valve, evaporimeter and refrigerant line successively; and vaporizer side is provided with the quiet blower fan of high current formula, and the air heat energy heat pump system also is provided with high voltage protective device, low-voltage variation device.
As preferably, described condenser assembly device increases progressively quantity one by one by a plurality of condenser units and is connected in series to generate or be connected in series step by step by a plurality of cascade condenser modules and forms, and each cascade condenser module increases progressively the quantity generation that is connected in series one by one by a plurality of condenser units, be provided with cold-producing medium heat-carrying pipeline and water system pipeline in the described condenser assembly device, cold-producing medium heat-carrying pipeline and water system pipeline are the design of independent loop counter-flow arrangement, and be provided with cold-producing medium heat-carrying pipeline and water system pipeline in each condenser unit, cold-producing medium heat-carrying pipeline and water system pipeline are the independent loop counterflow configuration.
As preferably, the cold-producing medium heat-carrying pipeline in each condenser unit is set to efficient heat exchange structure such as screw type, the parallel side-by-side of ribbed pipe or shell-tube type with the water system pipeline; And condenser unit is provided with package casing A; Cascade condenser module and condenser assembly device 3 all are provided with package casing B and condenser assembly crust of the device, and fill the high-quality insulation material in the internal physical void space.
As preferably, in the described condenser assembly device successively at interval the water system pipeline of the condenser unit of two or more quantity be provided with one way stop peturn valve A; Or the water system pipeline of cascade condenser intermodule is provided with one way stop peturn valve A successively.
As preferably, be provided with embedded temperature-sensing probe in the described condenser assembly device, it is that the water system pipeline of 50 ℃ ± 5 upper level condenser unit access place is provided with unidirectional electrical magnet valve A that described embedded temperature-sensing probe is measured temperature; Or embedded temperature-sensing probe to measure temperature be that the water system pipeline of 50 ℃ ± 5 upper level connection condenser module access place is provided with unidirectional electrical magnet valve A.
As preferably, be provided with unidirectional electrical magnet valve B and discharge pressure gauge in the described boiling water control treatment system.
As preferably, described boiling water control treatment system is internal or external purified water treatment device and soft water treating apparatus.
As preferably, also be provided with boiling water water storage liner cool-bag, dynamic and intelligent water level meter, pressure-bearing type overvoltage protector, boiling water outlet pipe and sewage draining exit and blowoff line in the described boiling water control treatment system.
As preferably, be provided with superheated steam gravity flow heat-insulation system device in described boiling water control treatment system and the device, superheated steam gravity flow heat-insulation system device is incubated the chassis by steam pipework, one way stop peturn valve B and heat absorption and forms.
Compared with prior art, advantage of the present utility model is:
1, overall structure advantages of simple of the present utility model, automatic intelligent degree height, low cost of manufacture, high performance-price ratio, high energy efficiency are more remarkable than, fractional energy savings, meet the requirement that country sets up energy-efficient society.The condenser assembly device has proposed brand-new technology path in the utility model, creative adopt multistage, successively, step temperature difference release heat and the heat-obtaining know-why that increases progressively solved under the prerequisite of " do not change working medium, do not reduce Energy Efficiency Ratio, do not damage compressor ", utilize the condenser assembly device that the leaving water temperature of one pole heat pump is brought up to more than 100 ℃, produce boiling water.
2, the utility model is owing to utilize the condenser assembly device, cold-producing medium keeps good low-temperature condition through choke valve place behind the supercooling apparatus, the cold-producing medium that assurance enters evaporimeter can evaporate the airborne heat of absorbing environmental more efficiently, can reduce environment temperature better, reach refrigeration, can utilize to improve in summer and regulate the indoor air environment refrigeration.
Description of drawings
Fig. 1 is the utility model structural principle schematic diagram;
Fig. 2 is a condenser unit structural representation in the utility model;
Fig. 3 is the utility model cascade condenser module structural representation;
Fig. 4 is a condenser assembly structure drawing of device diagram one in the utility model;
Fig. 5 is a condenser assembly structure drawing of device diagram two in the utility model.
Among the figure: among the figure: electrically-driven compressors 1; high voltage protective device 2; condenser assembly device 3; liquid trap 4; supercooling apparatus 5; choke valve 6; evaporimeter 7; the quiet blower fan 8 of high current formula; refrigerant line 9; low-voltage variation device 10; purified water treatment device 11; soft water treating apparatus 12; discharge pressure gauge 13; unidirectional electrical magnet valve B14; waterpipe 15; boiling water water storage liner cool-bag 16; dynamic and intelligent water level meter 17; steam pipework 18; one way stop peturn valve B19; heat absorption insulation chassis 20; boiling water outlet pipe 21; sewage draining exit 22; blowoff line 23; air heat energy heat pump system 24; boiling water control treatment system 25; pressure-bearing type overvoltage protector 26; embedded temperature-sensing probe 27; package casing A28; condenser unit 29; water route tube connector 30; cold-producing medium U type tube connector 31; package casing B32; cold-producing medium heat-carrying pipeline 33; water system pipeline 34; one way stop peturn valve A35; unidirectional electrical magnet valve A36; condenser assembly crust of the device 37; cascade condenser module 38
The specific embodiment
The utility model is described in further detail with concrete enforcement below in conjunction with accompanying drawing;
Referring to Fig. 1; a kind of fast heating type instant opening type air heat energy heat pump boiler of the present utility model includes air heat energy heat pump system 24 and boiling water control treatment system 25; wherein; air heat energy heat pump system 24 comprises electrically-driven compressors 1, condenser assembly device 3, liquid trap 4, supercooling apparatus 5, choke valve 6, the evaporimeter 7 of series connection successively; it is connected by refrigerant line 9; and be connected with high voltage protective device 2, low-voltage variation device 10 on 1 liang of lateral line of electrically-driven compressors, vaporizer side is provided with the quiet blower fan 8 of high current formula.Boiling water control treatment system 25 includes condenser assembly device 3 and boiling water water storage liner cool-bag 16, and is arranged on discharge pressure gauge 13 on the inlet pipeline, unidirectional electrical magnet valve B14, soft water treating apparatus 12 and purified water treatment device 11 that can be internal or external.Boiling water control treatment system 25 also comprises dynamic and intelligent water level meter 17, the pressure-bearing type overvoltage protector 26 that is arranged on the boiling water water storage liner cool-bag 16; and the superheated steam gravity flow heat-insulation system device of forming by steam pipework 18, one way stop peturn valve B19 and heat absorption insulation chassis 20, and the drainage of sewage draining exit 22, blowoff line 23 compositions.Air heat energy heat pump system 24 and boiling water control treatment system 25 realize connecting by condenser assembly device 3, be provided with cold-producing medium heat-carrying pipeline 33 and water system pipeline 34 in its condenser assembly device 3, cold-producing medium heat-carrying pipeline 33 and 34 is the independent loop counterflow configuration.Wherein, the arrow among 24 figure of air heat energy heat pump system is represented the flow of refrigerant direction, and the arrow among boiling water control treatment system 25 figure is represented the water direction that flows.
The refrigerant temperature of the HTHP that the electrically-driven compressors 1 compression back in the air heat energy heat pump system 24 produces is about 130 ℃ ± 15, entering 3 pairs of water of condenser assembly device by refrigerant line 9 heats, because the heat exchange of condenser assembly device 3 internal structures, be about about 15 ℃ by the refrigerant temperature after the total condensation release heat and export liquid trap 4 to from condenser assembly device 3, through supercooling apparatus 5 once more after the release heat refrigerant temperature be reduced to supercooled state, behind choke valve 6, become the low-temp low-pressure state, cold-producing medium absorbs a large amount of heat of vaporization from surrounding air in evaporimeter 7, gaseous refrigerant flows back into compressor once more under electrically-driven compressors 1 acting active force.So circulation.Simultaneously, normal temperature attitude running water enters condenser assembly device 3 successively behind purified water treatment device 11 and soft water treating apparatus 12, cold-producing medium and water is reverse heat-exchange in pipe, the heat of high temperature refrigerant is passed to water, water is heated, because the heat exchange structure of condenser assembly device 3, water in the pipe is carried out layering, successively, the step temperature difference increases progressively heating, make the coolant-temperature gage that flows out condenser assembly device 3 reach 100 ℃ and more than, need not post bake, as need not the electrothermal tube device etc., be collected to through boiling water pipeline 15 and store for future use in the boiling water water storage liner cool-bag 16, the user takes boiling water by boiling water outlet pipe 21.So repeatedly.
Be provided with dynamic and intelligent water level meter 17 and pressure-bearing type overvoltage protector 26 in the boiling water water storage liner cool-bag 16, wherein, dynamic and intelligent water level meter 17 mainly is the water level value of monitoring in real time in the boiling water water storage liner cool-bag 16, and feed back to controller by simulation signal generator, the one, output is presented on the liquid crystal panel, can browse observation for the user; The 2nd, by its output signal, controller can send the switching on and shutting down instruction, shuts down during full water, starts shooting during low water level, realizes Based Intelligent Control, unmanned.Pressure-bearing type overvoltage protector 26 mainly is to detect boiling water water storage liner cool-bag 16 internal pressure values; peak is set (peak is set as required when its force value reaches its qualification; such as 0.1 to 0.5Mpa) time; the automatic released vapour of the pressure-bearing type overvoltage protector 26 action safety value that reduces pressure is closed, and the steam liquid of release is discharged by being flowed to blow-off pipe 23.
Be provided with superheated steam gravity flow heat-insulation system device in the boiling water water storage liner cool-bag 16, overheated steam in the boiling water water storage liner cool-bag 16 is through steam pipework 18, one way stop peturn valve B19, steam condensation heat release is provided heat preservation and heat supply in heat absorption insulation chassis 20, and condensed water is back to boiling water water storage liner cool-bag 16 under pressure.
Referring to Fig. 2 to Fig. 5, condenser assembly device 3 is connected by cold-producing medium U type tube connector 31 by a plurality of condenser units 29 and increases progressively quantity one by one and be connected in series to generate or be connected in series step by step by a plurality of cascade condenser modules 38 and form, and each cascade condenser module 38 increases progressively the quantity generation that is connected in series one by one by a plurality of condenser units 29, and the cold-producing medium heat-carrying pipeline 33 in each condenser unit is set to efficient heat exchange structure such as screw type, the parallel side-by-side of ribbed pipe or shell-tube type with water system pipeline 34.The side of condenser unit 29 is provided with water route tube connector 30, and condenser unit 29 also is provided with package casing A28, can fill the high-quality heat-conducting medium in the internal physical void space; Cascade condenser module 38 and condenser assembly device 3 all are provided with package casing B32 and condenser assembly crust of the device 37 in addition, and fill the high-quality insulation material in the internal physical void space.
Be provided with one way stop peturn valve A35 and unidirectional electrical magnet valve A36 in the condenser assembly device 3, the unidirectional electrical magnet valve B14 in water inlet system links and controls cold water inflow and single directed water (flow) direction; Embedded temperature-sensing probe 27 detected temperature values in condenser assembly device 3 feed back to controller by collection of simulant signal, controller provides the on-off action of instruction control unidirectional electrical magnet valve B14 and unidirectional electrical magnet valve A 36, the condition of high temperature in detecting condenser assembly device 3 is less than 100 ℃ and be lower than when setting value, controller provides the closing motion of instruction control unidirectional electrical magnet valve B14 and unidirectional electrical magnet valve A 36, temporarily stop to cover cold water, after treating the certain hour section, when detecting the condition of high temperature in the condenser assembly device 3 and reaching 100 ℃, controller provides the breakdown action of instruction control unidirectional electrical magnet valve B14 and unidirectional electrical magnet valve A36, continues to cover cold water.So repeatedly, heating successively step by step, boiling once, fast heating type system boiling water, program control constant-temperature effluent, 100% pure boiling water, the hot and cold water mixing is stopped in water temperature 〉=100 ℃.Promptly open i.e. drink, need not to wait for.
Be provided with discharge pressure gauge 13 and soft water treating apparatus 12 in the boiling water control treatment system 25; wherein; discharge pressure gauge 13 mainly is to detect condenser assembly device 3 intake pressures and discharge; when water pressure when setting safety value; discharge pressure gauge 13 provides feedback analog signal to controller; controller sends shutdown command, realizes system's excessive low water level protection function, prevents from superheating phenomenon to occur in the condenser assembly device 3.Soft water treating apparatus 12 mainly is that influent quality is done the softening processing of physical property, and non-chemically soft water is handled, and guarantees the water quality health, reduces the fouling rate in condenser assembly device 3 and boiling water pipeline 15.
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the utility model principle prerequisite also should be considered as protection domain of the present utility model.
Claims (10)
1. fast heating type instant opening type air heat energy heat pump boiler, it is characterized in that: include air heat energy heat pump system (24) and boiling water control treatment system (25), air heat energy heat pump system (24) and boiling water control treatment system (25) realize connecting by condenser assembly device (3), wherein, be provided with cold-producing medium heat-carrying pipeline (33) and water system pipeline (34) in the condenser assembly device (3), cold-producing medium heat-carrying pipeline (33) and water system pipeline (40) are the independent loop counterflow configuration.
2. a kind of fast heating type instant opening type air heat energy heat pump boiler according to claim 1; it is characterized in that: described air heat energy heat pump system (24) is connected to form by electrically-driven compressors (1), condenser assembly device (3), liquid trap (4), supercooling apparatus (5), choke valve (6), evaporimeter (7) and refrigerant line (9) successively; and evaporimeter (7) side is provided with the quiet blower fan of high current formula (8), and air heat energy heat pump system (24) also is provided with high voltage protective device (2), low-voltage variation device (10).
3. a kind of fast heating type instant opening type air heat energy heat pump boiler according to claim 1, it is characterized in that: described condenser assembly device (3) increases progressively quantity one by one by a plurality of condenser units (29) and is connected in series to generate or be connected in series step by step by a plurality of cascade condenser modules (38) and forms, and each cascade condenser module (38) increases progressively the quantity generation that is connected in series one by one by a plurality of condenser units (29), be provided with cold-producing medium heat-carrying pipeline (33) and water system pipeline (34) in the described condenser assembly device (3), cold-producing medium heat-carrying pipeline (33) and water system pipeline (34) are the design of independent loop counter-flow arrangement, and be provided with cold-producing medium heat-carrying pipeline (33) and water system pipeline (34) in each condenser unit (29), cold-producing medium heat-carrying pipeline (33) and water system pipeline (34) are the independent loop counterflow configuration.
4. a kind of fast heating type instant opening type air heat energy heat pump boiler according to claim 3 is characterized in that: the cold-producing medium heat-carrying pipeline (33) in each condenser unit (29) is set to efficient heat exchange structure such as screw type, the parallel side-by-side of ribbed pipe or shell-tube type with water system pipeline (34); And condenser unit (29) is provided with package casing A (28); Cascade condenser module (38) and condenser assembly device (3) all are provided with package casing B (32) and condenser assembly crust of the device 37, and fill the high-quality insulation material in the internal physical void space.
5. according to claim 3 or 4 described a kind of fast heating type instant opening type air heat energy heat pump boilers, it is characterized in that: in the described condenser assembly device (3) successively at interval the water system pipeline (34) of the condenser unit (29) of two or more quantity be provided with one way stop peturn valve A (35); Or the water system pipeline (34) between cascade condenser module (38) is provided with one way stop peturn valve A (35) successively.
6. according to claim 3 or 4 described a kind of fast heating type instant opening type air heat energy heat pump boilers, it is characterized in that: be provided with embedded temperature-sensing probe (27) in the described condenser assembly device (3), it is that the water system pipeline (34) of 50 ℃ ± 5 upper level condenser unit (29) access place is provided with unidirectional electrical magnet valve A (36) that described embedded temperature-sensing probe (27) is measured temperature; Or embedded temperature-sensing probe (27) to measure temperature be that the water system pipeline (34) of 50 ℃ ± 5 upper level connection condenser module (38) access place is provided with unidirectional electrical magnet valve A (36).
7. a kind of fast heating type instant opening type air heat energy heat pump boiler according to claim 1 is characterized in that: be provided with unidirectional electrical magnet valve B (14) and discharge pressure gauge (13) in the described boiling water control treatment system (25).
8. a kind of fast heating type instant opening type air heat energy heat pump boiler according to claim 1 is characterized in that: described boiling water control treatment system (25) is internal or external purified water treatment device (11) and soft water treating apparatus (12).
9. a kind of fast heating type instant opening type air heat energy heat pump boiler according to claim 1 is characterized in that: also be provided with boiling water water storage liner cool-bag (16), dynamic and intelligent water level meter (17), pressure-bearing type overvoltage protector (26), boiling water outlet pipe (21) and sewage draining exit (22) and blowoff line (23) in the described boiling water control treatment system (25).
10. a kind of fast heating type instant opening type air heat energy heat pump boiler according to claim 1, it is characterized in that: be provided with superheated steam gravity flow heat-insulation system device in the described boiling water control treatment system (25), superheated steam gravity flow heat-insulation system device is made up of steam pipework (18), one way stop peturn valve B (19) and heat absorption insulation chassis (20).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120031829 CN201954743U (en) | 2011-01-30 | 2011-01-30 | Quickly-heating type instant-boiling air heat energy heat pump water boiler |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201120031829 CN201954743U (en) | 2011-01-30 | 2011-01-30 | Quickly-heating type instant-boiling air heat energy heat pump water boiler |
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| CN201954743U true CN201954743U (en) | 2011-08-31 |
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| CN 201120031829 Expired - Fee Related CN201954743U (en) | 2011-01-30 | 2011-01-30 | Quickly-heating type instant-boiling air heat energy heat pump water boiler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266316A (en) * | 2014-10-24 | 2015-01-07 | 中国扬子集团滁州扬子空调器有限公司 | Heat recovery control circuit for air conditioner |
| CN105546820A (en) * | 2016-01-29 | 2016-05-04 | 广东芬尼克兹节能设备有限公司 | Multifunctional heat pump system and control method thereof |
-
2011
- 2011-01-30 CN CN 201120031829 patent/CN201954743U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266316A (en) * | 2014-10-24 | 2015-01-07 | 中国扬子集团滁州扬子空调器有限公司 | Heat recovery control circuit for air conditioner |
| CN105546820A (en) * | 2016-01-29 | 2016-05-04 | 广东芬尼克兹节能设备有限公司 | Multifunctional heat pump system and control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20140130 |