CN201463341U - Solar phase-change heat-storage water heater - Google Patents
Solar phase-change heat-storage water heater Download PDFInfo
- Publication number
- CN201463341U CN201463341U CN2009200695749U CN200920069574U CN201463341U CN 201463341 U CN201463341 U CN 201463341U CN 2009200695749 U CN2009200695749 U CN 2009200695749U CN 200920069574 U CN200920069574 U CN 200920069574U CN 201463341 U CN201463341 U CN 201463341U
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- phase
- solar
- heat
- change heat
- water heater
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a solar phase-change heat-storage water heater which comprises a plurality of solar heat-collecting tubes, a water inlet pipe, a water outlet pipe, thermal insulation layers and the plurality of phase-change heat storage devices; all the phase-change heat storage devices are arranged in the solar heat-collecting tubes; the water inlet pipe is sheathed in the water outlet pipe; the water outlet pipe is connected with the phase-change heat storage devices; and the thermal insulation layers are coated on the outer parts of the water outlet pipe, a connecting port of the solar heat-collecting tubes and the water outlet pipe and the upper ends of the solar heat-collecting tubes. As phase-change materials are placed in the solar heat-collecting tubes, the solar phase-change heat-storage water heater has strong heat storage capacity, and can well meet the water supply requirements without a water storage tank. Therefore, the solar phase-change heat-storage water heater has small volume and convenient installation.
Description
Technical field
The utility model relates to a kind of solar water heater, particularly relates to a kind of solar phase-change heat accumulation water heater.
Background technology
A kind of solar water heater of prior art comprises heat collector, attemperater, connecting pipe and support, attemperater is arranged on the top of support, heat collector is arranged on the front side of support, vacuum tube in the heat collector tilts to be inserted between the holder box and attemperater of the preceding side lower part of support, connecting pipe is arranged in heat collector and the attemperater, in order to hot water is transported to attemperater from heat collector, cold water is transported to heat collector from attemperater, the shortcoming of this solar water heater is, contain attemperater, make that the water heater volume is big, inconvenience is installed, and is subjected to weather or seasonal variations to influence greatly the heat supply instability.
Another kind of prior art is that another kind of prior art is that Chinese patent application 200710156133.8 disclosures " instant heating solar water heater " comprise solar energy heat collection pipe and component holder, several solar energy heat collection pipes are arranged on the component holder, the mid-SU shape of disjunctor pipe tandem arrangement spare, solar energy heat collection pipe is inserted in the U-shaped mouth of SU shape tandem arrangement spare, inner flow tube in the solar energy heat collection pipe is inserted in the S shape passage of SU shape tandem arrangement spare, SU shape tandem arrangement spare is end to end, first SU shape tandem arrangement spare head end taps into the water interface, and last SU shape tandem arrangement spare tail end picks out the water interface.This instant heating solar water heater does not need attemperater, and is easy for installation, but accumulates thermal energy differential, is not suitable for night, overcast and rainy use, and solar energy utilization ratio is low.
Also having a kind of prior art is that Chinese patent ZL 200620054881.6 discloses " phase-changing energy-storing solar water heater ", comprise the vacuum tube and the water storage barrel that are arranged on the support, water storage barrel is that outer bucket and interior bucket constitute by upper shield fixed cover unification body, heat-insulation layer is arranged between the inner barrel and outer barrel, interior bucket is connected with vacuum tube, be provided with accumulation of energy heat exchange inner bag in the interior bucket, the accumulation of energy heat transferring medium is arranged in this inner bag.This solar water heater adopts phase-change material to carry out accumulation of heat, and heat storage capacity is strong, the solar energy utilization ratio height, heat supply is stable, but this solar water heater still comprises water storage barrel, and volume is big, the installation site is restricted, installs also very inconvenience, can not apply well.
The utility model content
The purpose of this utility model provides a kind of solar phase-change heat accumulation water heater, need not water storage box, and is easy for installation, the solar energy utilization ratio height, and heat supply is stable.
In order to achieve the above object, the technical solution of the utility model is: a kind of solar phase-change heat accumulation water heater comprises several solar energy heat collection pipes, water inlet pipe, outlet pipe, heat-insulation layer and several phase change heat accumulators;
Each phase change heat accumulator is arranged in each solar energy heat collection pipe;
Described water inlet pipe is enclosed within the outlet pipe;
Described outlet pipe is connected with phase change heat accumulator;
Described heat-insulation layer is wrapped in the connector of outlet pipe, solar energy heat collection pipe and outlet pipe and the outside of solar energy heat collection pipe upper end.
Above-mentioned solar phase-change heat accumulation water heater, wherein, described water inlet pipe is connected perforation by water inlet manifold and constitutes with several mozzles;
Described outlet pipe is connected perforation by outfall sewer and constitutes with several heat exchanger tubes;
Each heat exchanger tube is arranged in each phase change heat accumulator; Described each mozzle places in each heat exchanger tube, and water inlet manifold is arranged in the outfall sewer;
Described outfall sewer wraps in the heat-insulation layer.
Above-mentioned solar phase-change heat accumulation water heater, wherein, described solar energy heat collection pipe is made up of outer glass pipe, inner glass tube, described outer glass pipe and the sealing of inner glass tube homogeneous end, other end opening, inside and outside glass tube and being nested in the same way forms a vacuum chamber at inside and outside glass tube of openend and welding, and described outer glass pipe and inner glass tube all are " U " type.
Above-mentioned solar phase-change heat accumulation water heater, wherein, described phase change heat accumulator comprises fixedly end cap, body, fastening end cap and phase-change material, described body both ends open, described fixedly end cap is arranged on an end of body, fixedly end cap is corresponding with the blind end of solar energy heat collection pipe for this, and described fastening end cap is arranged on the other end of body, and described phase-change material is inserted in the body.
Above-mentioned solar phase-change heat accumulation water heater, wherein, described fastening end cap is welded on the body.
Above-mentioned solar phase-change heat accumulation water heater, wherein, the end that the body of described phase change heat accumulator connects fastening end cap is a contraction mouth, described fastening end cap is stuck in the contraction mouth of body, be provided with elastic seal ring between the contraction mouth of described fastening end cap and body, form fastening end cap and be connected with the contraction mouth elastic shrinkage of body.
Above-mentioned solar phase-change heat accumulation water heater, wherein, described fixedly end cap is made up of tail end cover and several supports, and described several supports are vertically set on a side of tail end cover, perhaps several supports are vertically set on the inwall of body bottom, and described support bracketing heat exchanger tube.
Above-mentioned solar phase-change heat accumulation water heater, wherein, it is characterized in that, described fastening end cap comprises the head end lid, elastic seal ring, baffle ring, stop-leak compound and friction top, the inwall that described head end covers an end is provided with convex, the outer wall of its other end is provided with groove, the end that head end is covered with convex is connected with body, described friction top is plugged in the groove on the head end cover outer wall, described elastic seal ring and baffle ring are superimposed upon between the convex and friction top of head end lid in mode separately, and described stop-leak compound is filled in elastic seal ring, in the gap between baffle ring and the heat exchanger tube.
Above-mentioned solar phase-change heat accumulation water heater, wherein, described heat exchanger tube is end sealing, other end opening, the blind end of described heat exchanger tube is inserted in the phase change heat accumulator, this blind end is positioned between several supports, and be provided with the gap with the tail end cover of phase change heat accumulator, and the outer surface of the openend of described heat exchanger tube is provided with interface, and this interface is connected with outfall sewer.
Above-mentioned solar phase-change heat accumulation water heater, wherein, the elastic seal ring of described heat exchanger tube and corresponding position of fastening end cap and fastening end cap is slidingly connected.
The utility model makes it compared with prior art owing to adopt technique scheme, has the following advantages and good effect:
1, the utility model solar phase-change heat accumulation water heater is owing to insert phase-change material in the solar energy heat collection pipe, heat storage capacity is strong, need not water storage box and just can satisfy water supply requirement well, therefore, the utility model solar phase-change heat accumulation water heater volume is little, and is easy for installation.
2, the utility model solar phase-change heat accumulation water heater is owing to adopt the phase-change material accumulation of heat, the heat absorption efficiency height, and thermal storage density is big, has improved the solar energy utilization ratio of solar water heater greatly, and heat supply is stable.
3, the utility model solar phase-change heat accumulation water heater is because the fastening end of phase change heat accumulator is covered with stop-leak compound, heat exchanger tube and phase change heat accumulator are slidingly connected, when the solar energy surplus, when phase-change material is overheated, high pressure in the phase change heat accumulator body can promote heat exchanger tube and outwards move, discharge high pressure, finish overheated unloading, improved the security performance of solar phase-change heat accumulation water heater greatly, can prevent effectively that phase-change material is overheated.
Description of drawings
Fig. 1 is the structural representation of the utility model solar phase-change heat accumulation water heater.
Fig. 2 is the structural representation of solar energy heat collection pipe in the utility model.
Fig. 3 is the structural representation of phase change heat accumulator first embodiment in the utility model.
Fig. 4 is the structural representation of phase change heat accumulator second embodiment in the utility model.
Fig. 5 is the structural representation of solar energy heat collection pipe in the utility model, phase change heat accumulator, energy converting pipe and mozzle combination.
The specific embodiment
Below specify better embodiment of the present utility model referring to accompanying drawing:
Referring to Fig. 1, a kind of solar phase-change heat accumulation water heater comprises several solar energy heat collection pipes 1, several phase change heat accumulators 2, water inlet pipe, outlet pipe and heat-insulation layer 3;
Each phase change heat accumulator 2 is arranged in each solar energy heat collection pipe 1;
Described water inlet pipe is connected perforation by water inlet manifold 51 and constitutes with several mozzles 52;
Described outlet pipe is connected perforation by outfall sewer 41 and constitutes with several heat exchanger tubes 42;
Each heat exchanger tube 42 is arranged in each phase change heat accumulator 2; Described each mozzle 52 places in each heat exchanger tube 42, and water inlet manifold 51 is arranged in the outfall sewer 41;
Described heat-insulation layer is wrapped in the connector of outfall sewer 41, solar energy heat collection pipe 1 and outfall sewer 41 and the outside of solar energy heat collection pipe 1 upper end.
Referring to Fig. 2, described solar energy heat collection pipe 1 is made up of outer glass pipe 11, inner glass tube 12, described outer glass pipe 11 and the sealing of inner glass tube 12 homogeneous ends, other end opening, inside and outside glass tube 12 and 11 is nested in the same way, forms a vacuum chamber 14 at inside and outside glass tube 12 of openend and 11 weldings.Described outer glass pipe 11 and inner glass tube 12 all are " U " type.
Referring to Fig. 3, be depicted as first embodiment of phase change heat accumulator 2, described phase change heat accumulator 2 comprises fixedly end cap 21, body 22, fastening end cap 23 and phase-change material 6, described body 22 both ends opens, described fixedly end cap 21 is arranged on an end of body 22, fixedly end cap 21 is corresponding with the blind end of solar energy heat collection pipe 1 for this, and described fastening end cap 23 is arranged on the other end of body 22, and described phase-change material 6 is inserted in the body 22.
Described fixedly end cap 21 is made up of tail end cover 24 and several supports 25, and described several supports 25 are vertically set on the inwall of body 22 bottoms, and described support 25 bracketings heat exchanger tube 42.
Described support 25 can be annulus or forked.
The end that the body 22 of described phase change heat accumulator 2 connects fastening end cap 23 is a contraction mouth, described fastening end cap 23 is stuck in the contraction mouth of body 22, be provided with elastic seal ring 20 between the contraction mouth of described fastening end cap 23 and body 22, form fastening end cap 23 and be connected with the contraction mouth elastic shrinkage of body 22.
Described fastening end cap 23 comprises head end lid 26, elastic seal ring 27, baffle ring 28 and friction top 30, the inwall that described head end covers 26 1 ends is provided with convex, the outer wall of its other end is provided with groove, head end lid 26 ends that are provided with convex are connected with body 22, described friction top 30 is plugged on head end and covers in the groove on 26 outer walls, and described elastic seal ring 27 and baffle ring 28 are superimposed upon between the convex and friction top 30 of head end lid 26 in mode separately.
Can also fill stop-leak compound 29 in the gap between elastic seal ring 27, baffle ring 28 and heat exchanger tube 42.
Referring to Fig. 4, be depicted as second embodiment of phase change heat accumulator 2, embodiment two is that with the difference of embodiment one described several supports 25 are vertically set on a side of tail end cover 24; Described fastening end cap 23 is welded on the body 22.
Referring to Fig. 5, described phase change heat accumulator 2 is arranged in the inner glass tube 12 of solar energy heat collection pipe 1, is provided with the gap between the inner surface of described phase change heat accumulator 2 and inner glass tube 12.
Described heat exchanger tube 42 is the straight tube of end sealing, other end opening, the blind end 43 of described heat exchanger tube 42 is inserted in the phase change heat accumulator 2, this blind end 43 is positioned at 25 on several supports, and be provided with the gap with the tail end cover 24 of phase change heat accumulator 2, the outer surface of the openend 44 of described heat exchanger tube 42 is provided with interface 45, and this interface 45 is connected with outfall sewer 41.
Described heat exchanger tube 42 can assemble with outfall sewer 41 fast by its interface 45, therefore, installs, dismantles very convenient.
Described heat exchanger tube 42 is slidingly connected with the elastic seal ring 27 of fastening end cap 23 corresponding positions and fastening end cap 23.
Described mozzle 52 is the straight pipeline of the equal opening in two ends, and this mozzle 52 inserts in heat exchanger tubes 42, and is provided with the gap with the blind end 43 of heat exchanger tube 42.
Mozzle 52 inserts the mountain type runner that has formed water in the heat exchanger tube 42, has increased heat exchange area, makes heat exchange more even.
Described phase-change material 6 places in the body 22 of phase change heat accumulator 2, fills the inner surface of body 22 and the gap between the heat exchanger tube 42.
Phase-change material 6 places in the body 22, has avoided phase-change material 6 to contact the problem that causes material sex change, atmosphere pollution with ambient atmosphere, and can also prevent phase-change material 6 leakages.
Described phase-change material 6 can be hyrate, paraffin or pitch.
The operation principle of the utility model solar phase-change heat accumulation water heater is: solar energy heat collection pipe 1 absorbs solar energy and conversion of solar energy is become heat energy, heat energy passes to phase-change material 6 through body 22, phase-change material 6 is stored heat energy, cold water flows into each mozzle 52 by water inlet manifold 51, at this moment, phase-change material 6 discharges the heat energy of storing, the heat energy that discharges passes to the cold water that mozzle 52 imports through heat exchanger tube 42, become hot water after the cold water heat absorption, hot water flows into outfall sewer 41 through heat exchanger tube 42, outwards heat supply water.
The utility model solar phase-change heat accumulation water heater is inserted phase-change material in the solar energy heat collection pipe, because the phase-change material heat storage capacity is strong, need not water storage box and just can satisfy water supply requirement well, therefore, the utility model solar phase-change heat accumulation water heater volume is little, and is easy for installation.
The utility model solar phase-change heat accumulation water heater adopts the phase-change material accumulation of heat, the heat absorption efficiency height, and the thermal storage density height has improved solar energy utilization ratio greatly, has stablized temperature in the solar energy heat collection pipe.
When solar energy is superfluous, phase-change material can be overheated, cause phase change heat accumulator body internal pressure constantly to rise, if constantly the pressure that rises can't in time discharge, can bring potential safety hazard, and the fastening end of phase change heat accumulator is covered with stop-leak compound in the utility model solar phase-change heat accumulation water heater, heat exchanger tube and phase change heat accumulator are slidingly connected, when the solar energy surplus, when phase-change material was overheated, the high pressure in the phase change heat accumulator body can promote heat exchanger tube and outwards move, and discharges high pressure, finish overheated unloading, therefore, the security performance of the utility model solar phase-change heat accumulation water heater improves greatly, can prevent effectively that phase-change material is overheated.
Claims (10)
1. a solar phase-change heat accumulation water heater comprises several solar energy heat collection pipes (1), water inlet pipe, outlet pipe and heat-insulation layer (3), it is characterized in that, also comprises several phase change heat accumulators (2);
Each phase change heat accumulator (2) is arranged in each solar energy heat collection pipe (1);
Described water inlet pipe is enclosed within the outlet pipe;
Described outlet pipe is connected with phase change heat accumulator (2);
Described heat-insulation layer is wrapped in the connector of outlet pipe, solar energy heat collection pipe (1) and outlet pipe and the outside of solar energy heat collection pipe (1) upper end.
2. solar phase-change heat accumulation water heater as claimed in claim 1 is characterized in that, described water inlet pipe is connected perforation by water inlet manifold (51) and constitutes with several mozzles (52); Described outlet pipe is connected perforation by outfall sewer (41) and constitutes with several heat exchanger tubes (42);
Each heat exchanger tube (42) is arranged in each phase change heat accumulator (2); Described each mozzle (52) places in each heat exchanger tube (42), and water inlet manifold (51) is arranged in the outfall sewer (41);
Described outfall sewer (41) wraps in the heat-insulation layer (3).
3. solar phase-change heat accumulation water heater as claimed in claim 1, it is characterized in that, described solar energy heat collection pipe (1) is made up of outer glass pipe (11), inner glass tube (12), described outer glass pipe (11) and the sealing of inner glass tube (12) homogeneous end, other end opening, inside and outside glass tube (12) and (11) are nested in the same way, form a vacuum chamber (14) at the inside and outside glass tube of openend (12) and (11) welding, and described outer glass pipe (11) and inner glass tube (12) all are " U " type.
4. solar phase-change heat accumulation water heater as claimed in claim 2, it is characterized in that, described phase change heat accumulator (2) comprises fixedly end cap (21), body (22), fastening end cap (23) and phase-change material (6), described body (22) both ends open, described fixedly end cap (21) is arranged on an end of body (22), fixedly end cap (21) is corresponding with the blind end of solar energy heat collection pipe (1) for this, described fastening end cap (23) is arranged on the other end of body (22), and described phase-change material (6) is inserted in the body (22).
5. solar phase-change heat accumulation water heater as claimed in claim 4 is characterized in that, described fastening end cap (23) is welded on the body (22).
6. solar phase-change heat accumulation water heater as claimed in claim 4, it is characterized in that, the end that the body (22) of described phase change heat accumulator (2) connects fastening end cap (23) is a contraction mouth, described fastening end cap (23) is stuck in the contraction mouth of body (22), be provided with elastic seal ring (20) between the contraction mouth of described fastening end cap (23) and body (22), form fastening end cap (23) and be connected with the contraction mouth elastic shrinkage of body (22).
7. solar phase-change heat accumulation water heater as claimed in claim 4, it is characterized in that, described fixedly end cap (21) is made up of tail end cover (24) and several supports (25), described several supports (25) are vertically set on a side of tail end cover (24), perhaps several supports (25) are vertically set on the inwall of body (22) bottom, and described support (25) bracketing heat exchanger tube (42).
8. solar phase-change heat accumulation water heater as claimed in claim 4, it is characterized in that, it is characterized in that, described fastening end cap (23) comprises head end lid (26), elastic seal ring (27), baffle ring (28), stop-leak compound (29) and friction top (30), the inwall of described head end lid (26) one ends is provided with convex, the outer wall of its other end is provided with groove, the end that head end lid (26) is provided with convex is connected with body (22), described friction top (30) is plugged in the groove on head end lid (26) outer wall, described elastic seal ring (27) and baffle ring (28) are superimposed upon between the convex and friction top (30) of head end lid (26) in mode separately, and described stop-leak compound (29) is filled in elastic seal ring (27), in the gap between baffle ring (28) and the heat exchanger tube (42).
9. solar phase-change heat accumulation water heater as claimed in claim 7, it is characterized in that, described heat exchanger tube (42) is end sealing, other end opening, the blind end (43) of described heat exchanger tube (42) is inserted in the phase change heat accumulator (2), this blind end (43) is positioned between several supports (25), and be provided with the gap with the tail end cover (24) of phase change heat accumulator (2), and the outer surface of the openend (44) of described heat exchanger tube (42) is provided with interface (45), and this interface (45) is connected with outfall sewer (41).
10. solar phase-change heat accumulation water heater as claimed in claim 8 is characterized in that, described heat exchanger tube (42) is slidingly connected with the elastic seal ring (27) of corresponding position of fastening end cap (23) and fastening end cap (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200695749U CN201463341U (en) | 2009-03-27 | 2009-03-27 | Solar phase-change heat-storage water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200695749U CN201463341U (en) | 2009-03-27 | 2009-03-27 | Solar phase-change heat-storage water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201463341U true CN201463341U (en) | 2010-05-12 |
Family
ID=42390692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200695749U Expired - Lifetime CN201463341U (en) | 2009-03-27 | 2009-03-27 | Solar phase-change heat-storage water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201463341U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846405A (en) * | 2009-03-27 | 2010-09-29 | 上海锦立新能源科技有限公司 | Solar phase change thermal storage water heater |
| CN103791629A (en) * | 2014-01-13 | 2014-05-14 | 山东建筑大学 | Phase-change heat-storage-type solar collector |
| CN104976788A (en) * | 2014-04-08 | 2015-10-14 | 王干 | Integral embedded type condensation phase change heat storage solar water heating device with no water tank and used on balcony |
-
2009
- 2009-03-27 CN CN2009200695749U patent/CN201463341U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101846405A (en) * | 2009-03-27 | 2010-09-29 | 上海锦立新能源科技有限公司 | Solar phase change thermal storage water heater |
| CN101846405B (en) * | 2009-03-27 | 2013-05-01 | 皇明太阳能(上海)有限公司 | Solar phase change thermal storage water heater |
| CN103791629A (en) * | 2014-01-13 | 2014-05-14 | 山东建筑大学 | Phase-change heat-storage-type solar collector |
| CN104976788A (en) * | 2014-04-08 | 2015-10-14 | 王干 | Integral embedded type condensation phase change heat storage solar water heating device with no water tank and used on balcony |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HIMIN SOLAR ENERGY (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI GENERAL ENERGY TECHNOLOGY CO., LTD. Effective date: 20110130 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201201 NO.2, JINGYA BRANCH ROAD, SHANGHAI TO: 201313 NO.418, HONGXIANG NORTH ROAD, WANXIANG INDUSTRIAL AREA, PUDONG NEW DISTRICT, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110130 Address after: 201313, No. 418, Xiang Xiang North Road, Wanxiang industrial district, Shanghai, Pudong New Area Patentee after: Huangming Solar Energy (Shanghai) Co., Ltd. Address before: 201201, 2, Jing Yi Road, Shanghai Patentee before: Shanghai General Energy Technology Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090327 |
|
| RGAV | Abandon patent right to avoid regrant |