CN201273701Y - Multifunctional air source water heater convenient for assembling - Google Patents

Multifunctional air source water heater convenient for assembling Download PDF

Info

Publication number
CN201273701Y
CN201273701Y CN 200820121844 CN200820121844U CN201273701Y CN 201273701 Y CN201273701 Y CN 201273701Y CN 200820121844 CN200820121844 CN 200820121844 CN 200820121844 U CN200820121844 U CN 200820121844U CN 201273701 Y CN201273701 Y CN 201273701Y
Authority
CN
China
Prior art keywords
heat exchanger
compressor
channel
way change
water
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
Application number
CN 200820121844
Other languages
Chinese (zh)
Inventor
吴平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN 200820121844 priority Critical patent/CN201273701Y/en
Application granted granted Critical
Publication of CN201273701Y publication Critical patent/CN201273701Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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

Landscapes

  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model relates to a multifunctional air-source water heater which can be conveniently assembled. The multifunctional air-source water heater comprises a water storage tank which is internally provided with a heat exchange tube and respectively provided with a water inlet pipe and a water outlet pipe, and an air conditioner which consists of a four-way reversing valve, an outdoor machine heat interchanger, a throttling element, an indoor machine heat interchanger, a gas-liquid separator and a compressor; wherein, an inlet of the heat exchange tube is connected with an exhaust opening of a compressor, an outlet of the heat exchange tube is connected with an A channel of the four-way reversing valve, the outdoor machine heat interchanger is connected with a B channel of the four-way reversing valve, the indoor machine heat interchanger is connected with a C channel of the four-way reversing valve, and an inlet of the gas-liquid separator is connected with a D channel of the four-way reversing valve; the two ends of the throttling element are respectively connected with the outdoor machine heat interchanger and the indoor machine heat interchanger; and the outlet of the gas-liquid separator is connected with an air inlet of the compressor. The multifunctional air-source water heater has simple structure, and can realize six functions of separately refrigeration, separately heating, separately heating water, simultaneous refrigerating and heating water, simultaneous heating and heating water and making high-temperature hot water.

Description

The multi-functional air source water heater of ease of assembly
(1) technical field
The utility model relates to a kind of water heater, relates in particular to a kind of air source water heater that is combined by water heater and conventional air conditioner.
(2) technical background
In recent years, along with the raising of people's living standard, domestic hot water and small-business are significantly improving with the ratio of hot water in social energy resource consumption always, and dwelling house and commercial buildings are more and more paid attention to the hot water supply.At present, the main product on China's water heater market has solar water heater, gas heater and electric heater three major types.Solar water heater is bigger owing to influenced by weather conditions and mounting condition, thereby its application has very big restriction.The danger that gas heater exists gas poisoning, suffocates, it uses atrophy day by day.Electric heater has advantages such as safety, health, and the market share is increasing in recent years.But because electric heater is long preheating time, power consumption is big, exchanges the tow taste heat of equivalent amount for high-grade electric energy, and energy dissipation is very big.This and energy shortage at present, the main trend of building a conservation-minded society is not in tune.
The compression type heat pump water heater be high-grade electric energy of 1 unit of a kind of usefulness with after the heat of the environment temperature of 2～3 units mixes, be used for heat hot water again, the 1kW electrical power can produce the heat of 3～4kW.Therefore, compare with electric heater, operating cost reduces greatly, has very high energy utilization efficiency.Teat pump boiler is because manufacturing cost is higher, and the present market share is minimum.
Along with the raising of people's living standard, the development trend at many at a family is now popularized and be to air-cooled heat pump type room air conditioner.Teat pump boiler and room air conditioner are combined, not only can reduce manufacturing cost, and can in refrigeration, freely produce hot water, energy is carried out more efficient use, and can effectively control the tropical island effect in city.The utility model proposes with regard to being based on this background.
(3) utility model content
Technical problem to be solved in the utility model is to provide a kind of multi-functional air source water heater of the ease of assembly that water heater module and room air conditioner are combined.This combination is very succinct, and can assemble easily with the room air conditioner that has come into operation, realizes the multiple function of water heater and room air conditioner well.
The multi-functional air source water heater of described ease of assembly, comprise that inside is equipped with the water storage tank of heat exchanger tube, water storage tank is respectively equipped with water inlet pipe and outlet pipe, also comprise by four-way change-over valve, the off-premises station heat exchanger, restricting element, the indoor set heat exchanger, the air-conditioner that gas-liquid separator and compressor are formed, the heat exchanger tube inlet connects exhaust outlet of compressor, the heat exchanger tube outlet connects the A channel of four-way change-over valve, the off-premises station heat exchanger connects the B passage of four-way change-over valve, the indoor set heat exchanger connects the C-channel of four-way change-over valve, and the vapour liquid separator inlet connects the D passage of four-way change-over valve; The restricting element two ends are connected with the indoor set heat exchanger with the off-premises station heat exchanger respectively; The vapour liquid separator outlet is connected with compressor inlet.
Further, the heat exchanger tube inlet connects exhaust outlet of compressor through magnetic valve, and the heat exchanger tube outlet is through the A channel of magnetic valve connection four-way change-over valve, and exhaust outlet of compressor connects the A channel of four-way change-over valve through magnetic valve; Described each magnetic valve connects control device respectively.
Further, described each magnetic valve, four-way change-over valve, off-premises station heat exchanger, indoor set heat exchanger, compressor connect same control device respectively.Control device of the present utility model can adopt two kinds of forms.When the utility model is used to make brand-new product, adopt one independently control device get final product.When the utility model was used to transform the normal room air-conditioner that has come into operation, the controller of original normal room air-conditioner can continue to use, and increased the new function of a control device to realize that the utility model comprises in addition.
Further, described water storage tank is airtight pressure-bearing cool-bag, and the water inlet pipe place of water storage tank is serially connected with magnetizer.Magnetizer can improve water quality and reduce the deposition of incrustation scale in water storage tank heat exchanger water side.
Further, described restricting element is capillary or automatic valve or manually-operated gate.
When the utility model uses, only need by control device control can realize single refrigeration, singly heat, singly heat water, the refrigeration of holding concurrently and heat water, doublely heat and heat water, six kinds of functions of preparing high-temp hot water.
The beneficial effects of the utility model are:
1. because water storage tank can be connected on the gas exhaust piping of normal room air-conditioner easily, therefore the utility model not only can be applicable to make the completely new product that possesses water heater and two kinds of functions of air-conditioning, and can be conveniently used in transforming the normal room air-conditioner that has come into operation, water heater module, make it to possess the function of producing hot water simultaneously, structure is very simple, and cost is low, is easy to promote;
2. the user can be as required, selects singly freeze, singly heat, singly heat water, holds concurrently and freeze and heat water, doublely heat and heat water, six kinds of functions of preparing high-temp hot water.Preceding two kinds of functional equivalents are in the function of normal room air-conditioner, and the third function is the function of ordinary hot pump water heater.The three kinds of functions in back then can be taken into account the function of room air conditioner and water heater well;
3. under double cooling and warming aqueous mode, the heat that is discharged into environment originally is used to produce hot water, it is free producing hot water, has improved energy utilization ratio more effectively;
4. heat under the aqueous mode double, heat the hot water of same temperature and same quantity, power consumption has only 1/3～1/4 of electric heater, and it is preferential to select to heat preferentially or heat water by the switching of magnetic valve;
5. double cooling and warming aqueous mode and double heating under the aqueous mode, all can produce 80～90 ℃ high-temperature-hot-water.
(4) description of drawings
Fig. 1 is a system architecture schematic diagram of the present utility model.
(5) specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, but protection domain of the present utility model is not limited to this.
With reference to Fig. 1, a kind of multi-functional air source water heater of ease of assembly, comprise that inside is equipped with the water storage tank 2 of heat exchanger tube 1, water storage tank 2 is respectively equipped with water inlet pipe and outlet pipe, also comprise by four-way change-over valve 3, off-premises station heat exchanger 4, restricting element 5, indoor set heat exchanger 6, the air-conditioner that gas-liquid separator 7 and compressor 8 are formed, heat exchanger tube 1 inlet connects compressor 8 exhaust outlets, heat exchanger tube 1 outlet connects the A channel of four-way change-over valve 3, off-premises station heat exchanger 4 connects the B passage of four-way change-over valve 3, indoor set heat exchanger 6 connects the C-channel of four-way change-over valve 3, and vapour liquid separator 7 inlets connect the D passage of four-way change-over valve 3; Restricting element 5 two ends are connected with indoor set heat exchanger 6 with off-premises station heat exchanger 4 respectively; Vapour liquid separator 7 outlets are connected with compressor 8 air inlets.
Heat exchanger tube 1 inlet connects compressor 8 exhaust outlets through magnetic valve 9, and heat exchanger tube 1 outlet is through the A channel of magnetic valve 10 connection four-way change-over valves 3, and compressor 8 exhaust outlets connect the A channel of four-way change-over valves 3 through magnetic valve 11;
Described each magnetic valve 9,10,11, four-way change-over valve 3, off-premises station heat exchanger 4, indoor set heat exchanger 6, compressor 8 connect same control device 12 respectively.
Described water storage tank 2 is airtight pressure-bearing cool-bag, and the water inlet pipe place of water storage tank 2 is serially connected with magnetizer 13.
During use, control the keying of each valve and equipment by control device, the utility model can be realized following 5 kinds of functional modes:
1. single refrigeration mode
Magnetic valve 11 is opened, and magnetic valve 9, magnetic valve 10 are closed.The high temperature refrigerant steam that compressor 8 is discharged directly enters the A channel of four-way change-over valve 3 by magnetic valve 11.The A channel of four-way change-over valve 3 and B channel connection, C-channel and D channel connection.Off-premises station heat exchanger 4 blower fans and indoor set heat exchanger 6 blower fans are all opened.Cold-producing medium by the 4 condensation heat releases of off-premises station heat exchanger, restricting element 5 step-downs, indoor set heat exchanger 6 sweat coolings, through vapour liquid separator 7, is got back to the air inlet of compressor 8 successively.Under this pattern, water storage tank 2 is not worked.
2. single heating mode
Magnetic valve 11 is opened, and magnetic valve 9, magnetic valve 10 are closed.The high temperature refrigerant steam that compressor 8 is discharged directly enters the A channel of four-way change-over valve 3 by magnetic valve 11.The A channel of four-way change-over valve 3 is communicated with C-channel, B passage and D channel connection.Off-premises station heat exchanger 4 blower fans and indoor set heat exchanger 6 blower fans are all opened.Cold-producing medium by the 6 condensation heat releases of indoor set heat exchanger, restricting element 5 step-downs, off-premises station heat exchanger 4 sweat coolings, through vapour liquid separator 7, is got back to the air inlet of compressor 8 successively.Under this pattern, water storage tank 2 is not worked.
3. singly heat aqueous mode
Magnetic valve 11 cuts out, and magnetic valve 9, magnetic valve 10 are opened.The high temperature refrigerant steam that compressor 8 is discharged enters the 1 condensation heat release of water storage tank heat exchanger tube by magnetic valve 9.Go out heat exchanger tube 1 after the cold-producing medium heat release,, enter the A channel of four-way change-over valve 3 through magnetic valve 10.The A channel of four-way change-over valve 3 is communicated with C-channel, B passage and D channel connection.Off-premises station heat exchanger 4 blower fans are opened, and indoor set heat exchanger 6 blower fans cut out.Cold-producing medium by restricting element 5 step-downs, off-premises station heat exchanger 4 sweat coolings, through vapour liquid separator 7, is got back to the air inlet of compressor 8 successively.
4. double cooling and warming aqueous mode
Magnetic valve 11 cuts out, and magnetic valve 9, magnetic valve 10 are opened.The high temperature refrigerant steam that compressor 8 is discharged enters 1 heat release of water storage tank heat exchanger tube by magnetic valve 9.Go out heat exchanger tube 1 after the cold-producing medium heat release,, enter the A channel of four-way change-over valve 3 through magnetic valve 10.The A channel of four-way change-over valve 3 and B channel connection, C-channel and D channel connection.Off-premises station heat exchanger 4 blower fans and indoor set heat exchanger 6 blower fans are all opened.Cold-producing medium by the 4 condensation heat releases of off-premises station heat exchanger, restricting element 5 step-downs, indoor set heat exchanger 6 sweat coolings, through vapour liquid separator 7, is got back to the air inlet of compressor 8 successively.Under this pattern, when the water temperature in the water storage tank 2 was lower than environment temperature, cold-producing medium is all condensation and heat releases in water storage tank heat exchanger tube 1.After water temperature rose to uniform temperature, the part cold-producing medium will condensation heat release in off-premises station heat exchanger 4.Water temperature is high more, and the condensation heat ratio of emitting in water storage tank heat exchanger tube 1 is with fewer and feweri.When wherein refrigerant temperature was higher than the saturation temperature of cold-producing medium in the off-premises station heat exchanger 4, all condensation heat were emitted in off-premises station heat exchanger 4.Because the delivery temperature of compressor is generally at 80～100 ℃, the superheated vapor heat release of cold-producing medium still can continue to add hot water storage tank hot water.So,, can make 80～90 ℃ high-temperature-hot-water through behind the certain hour.
5. the double aqueous mode that heats
Can realize heating preferential under this pattern by the switching of magnetic valve or heat the preferential two kinds of selections of water.
Heating water preferentially selects: magnetic valve 11 cuts out, and magnetic valve 9, magnetic valve 10 are opened.The high temperature refrigerant steam that compressor 8 is discharged enters 1 heat release of water storage tank heat exchanger tube by magnetic valve 9.Go out heat exchanger tube 1 after the cold-producing medium heat release,, enter the A channel of four-way change-over valve 3 through magnetic valve 10.The A channel of four-way change-over valve 3 is communicated with C-channel, B passage and D channel connection.Off-premises station heat exchanger 4 blower fans and indoor set heat exchanger 6 blower fans are all opened.Cold-producing medium by the 6 condensation heat releases of indoor set heat exchanger, restricting element 5 step-downs, off-premises station heat exchanger 4 sweat coolings, through vapour liquid separator 7, is got back to the air inlet of compressor 8 successively.Under this pattern, similar with double cooling and warming aqueous mode, water storage tank 2 can make high-temperature-hot-water.
Heat preferential selection: magnetic valve 9, magnetic valve 10, magnetic valve 11 are all opened.Because the flow resistance of the flow resistance of cold-producing medium in magnetic valve 11 paths in the water storage tank heat exchanger tube 1, the major part of the high temperature refrigerant steam that compressor 8 is discharged enters the A channel of four-way change-over valve 3 by magnetic valve 11; Small part high temperature refrigerant steam by magnetic valve 9, water storage tank heat exchanger tube 1, adds the cold water in the hot water storage tank 2 successively, enters the A channel of four-way change-over valve 3 again through magnetic valve 10.The A channel of four-way change-over valve 3 is communicated with C-channel, B passage and D channel connection.Off-premises station heat exchanger 4 blower fans and indoor set heat exchanger 6 blower fans are all opened.Cold-producing medium by the 6 condensation heat releases of indoor set heat exchanger, restricting element 5 step-downs, off-premises station heat exchanger 4 sweat coolings, through vapour liquid separator 7, is got back to the air inlet of compressor 8 successively.Under this pattern, similar with double cooling and warming aqueous mode, water storage tank 2 can make high-temperature-hot-water, but it is less to heat the water yield.
At single heating mode, singly heat aqueous mode and double heating under the aqueous mode, when environment temperature descends, the outside frosting gradually of off-premises station heat exchanger 4 finned tubes detects the frosting degree by control device 12.After frosting extremely to a certain degree, control device 12 emit signals, this device is carried out defrost operation.At this moment, magnetic valve 11 is opened, and magnetic valve 9, magnetic valve 10 are closed.Four-way change-over valve 3 commutations, A channel and B channel connection, C-channel and D channel connection.Indoor set heat exchanger 6 blower fans cut out, and off-premises station heat exchanger 4 blower fans are opened.The high temperature refrigerant steam that compressor 8 is discharged is by the A channel of magnetic valve 11 and four-way change-over valve 3, the outer machine heat exchanger 4 heat release defrosts of inlet chamber, successively by restricting element 5 step-downs, indoor set heat exchanger 6 sweat coolings,, get back to the air inlet of compressor 8 again through vapour liquid separator 7.

Claims (5)

1, a kind of multi-functional air source water heater of ease of assembly, comprise that inside is equipped with the water storage tank of heat exchanger tube, water storage tank is respectively equipped with water inlet pipe and outlet pipe, it is characterized in that also comprising by four-way change-over valve, the off-premises station heat exchanger, restricting element, the indoor set heat exchanger, the air-conditioner that gas-liquid separator and compressor are formed, the heat exchanger tube inlet connects exhaust outlet of compressor, the heat exchanger tube outlet connects the A channel of four-way change-over valve, the off-premises station heat exchanger connects the B passage of four-way change-over valve, the indoor set heat exchanger connects the C-channel of four-way change-over valve, and the vapour liquid separator inlet connects the D passage of four-way change-over valve; The restricting element two ends are connected with the indoor set heat exchanger with the off-premises station heat exchanger respectively; The vapour liquid separator outlet is connected with compressor inlet.
2, the multi-functional air source water heater of ease of assembly as claimed in claim 1, it is characterized in that the heat exchanger tube inlet connects exhaust outlet of compressor through magnetic valve, the heat exchanger tube outlet is through the A channel of magnetic valve connection four-way change-over valve, and exhaust outlet of compressor connects the A channel of four-way change-over valve through magnetic valve; Described each magnetic valve connects control device respectively.
3, the multi-functional air source water heater of ease of assembly as claimed in claim 2 is characterized in that described each magnetic valve, four-way change-over valve, off-premises station heat exchanger, indoor set heat exchanger, compressor connect same control device respectively.
4, as the multi-functional air source water heater of the described ease of assembly of one of claim 1～3, it is characterized in that described water storage tank is airtight pressure-bearing cool-bag, the water inlet pipe place of water storage tank is serially connected with magnetizer.
5, the multi-functional air source water heater of ease of assembly as claimed in claim 1 is characterized in that described restricting element is capillary or automatic valve or manually-operated gate.
CN 200820121844 2008-07-28 2008-07-28 Multifunctional air source water heater convenient for assembling Expired - Fee Related CN201273701Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200820121844 CN201273701Y (en) 2008-07-28 2008-07-28 Multifunctional air source water heater convenient for assembling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200820121844 CN201273701Y (en) 2008-07-28 2008-07-28 Multifunctional air source water heater convenient for assembling

Publications (1)

Publication Number Publication Date
CN201273701Y true CN201273701Y (en) 2009-07-15

Family

ID=40884048

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200820121844 Expired - Fee Related CN201273701Y (en) 2008-07-28 2008-07-28 Multifunctional air source water heater convenient for assembling

Country Status (1)

Country Link
CN (1) CN201273701Y (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102410669A (en) * 2011-11-25 2012-04-11 海信（山东）空调有限公司 Multi-connected air conditioner system for directly heating water by using compressor and working method of multi-connected air conditioner system
CN102425885A (en) * 2011-11-25 2012-04-25 海信（山东）空调有限公司 Air-conditioning system with compressor directly heating hot water, and working method thereof
CN102563962A (en) * 2011-11-25 2012-07-11 海信（山东）空调有限公司 Multi-split air conditioning system with compressor capable of directly heating water and working method of multi-split air conditioning system
CN106052123A (en) * 2016-07-27 2016-10-26 许继鲁 Air conditioner and air energy water heater combined device
CN107514814A (en) * 2017-08-31 2017-12-26 郑州云宇新能源技术有限公司 Barber shop's Multifunctional heat pump water heater
CN107606788A (en) * 2017-10-20 2018-01-19 广西昊薪来新能源有限公司 Throttle air-source water heater

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102410669A (en) * 2011-11-25 2012-04-11 海信（山东）空调有限公司 Multi-connected air conditioner system for directly heating water by using compressor and working method of multi-connected air conditioner system
CN102425885A (en) * 2011-11-25 2012-04-25 海信（山东）空调有限公司 Air-conditioning system with compressor directly heating hot water, and working method thereof
CN102563962A (en) * 2011-11-25 2012-07-11 海信（山东）空调有限公司 Multi-split air conditioning system with compressor capable of directly heating water and working method of multi-split air conditioning system
CN106052123A (en) * 2016-07-27 2016-10-26 许继鲁 Air conditioner and air energy water heater combined device
CN107514814A (en) * 2017-08-31 2017-12-26 郑州云宇新能源技术有限公司 Barber shop's Multifunctional heat pump water heater
CN107606788A (en) * 2017-10-20 2018-01-19 广西昊薪来新能源有限公司 Throttle air-source water heater

Similar Documents

Publication Publication Date Title
CN101900448B (en) Steam jet enthalpy heat pump air-conditioning hot water unit
CN100422663C (en) Multiple heat source multifunction solar energy heat pump
CN201306902Y (en) Air conditioner with heat-recovery type heat pump and refrigerator integrated machine
CN201273701Y (en) Multifunctional air source water heater convenient for assembling
CN202660661U (en) Solar heat pump air conditioner system realizing auxiliary heating and auxiliary refrigeration
WO2020073481A1 (en) Air conditioning system
CN201163073Y (en) Heat pump type air conditioner apparatus with fast water-heating function
CN101482284A (en) Solar heating and refrigerating air conditioner combined supply apparatus
CN1207519C (en) Multi-functional heat pump type air conditioning water-heater
CN201885389U (en) Heat pump water heater with simultaneous two-stage condensing gas supply
CN106016825A (en) Solar and air source heat pump dual heat source tri-generation system
CN201837139U (en) Jet and enthalpy increasing heat pump air conditioner hot water unit
CN102022826A (en) Two-stage synchronous condensation air supply heat pump water heater
CN101413729A (en) Integral wind cooling hot pump cold and hot water machine unit
CN201043824Y (en) Air source heat pump air conditioner water heating machine
CN202057111U (en) Multifunctional air source hot water and air-conditioning heat pump unit
CN110160178A (en) Heat pump air conditioning system based on natural energy resources
CN201892345U (en) Multi-functional air-source hot water and heat pump unit adopting electronic expansion valves
CN201331143Y (en) Household central air-conditioning with fresh air function and hot water system
CN101158493A (en) Air conditioner source water heater capable of being conveniently assembled
CN201935314U (en) Air conditioner, refrigerator and gas water heater combined system
CN2716713Y (en) Water heater utilizing heat energy of air conditioner
CN102003834B (en) Multifunctional air source hot water and air conditioning heat pump unit
CN201218633Y (en) Solar energy-accumulation and energy-exchange dual-effect air conditioner
CN104344600A (en) Integrated multi-functional comfort system

Legal Events

Date Code Title Description
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: 20090715

Termination date: 20110728