CN201373608Y - Connecting device used between unit bodies in large solar thermal collector - Google Patents
Connecting device used between unit bodies in large solar thermal collector Download PDFInfo
- Publication number
- CN201373608Y CN201373608Y CN200920067991U CN200920067991U CN201373608Y CN 201373608 Y CN201373608 Y CN 201373608Y CN 200920067991 U CN200920067991 U CN 200920067991U CN 200920067991 U CN200920067991 U CN 200920067991U CN 201373608 Y CN201373608 Y CN 201373608Y
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- China
- Prior art keywords
- bearing
- hole
- solar thermal
- briquetting
- heat collector
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- 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
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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
- Y02E10/47—Mountings or tracking
Abstract
The utility model relates to a connecting device used between unit bodies in a large solar thermal collector, and the connecting device is positioned every two adjacent unit bodies (20) in the solar thermal. The connecting device comprises a support seat (40), a press block (42) and threaded connecting pieces (41 and 43); after being screwed by the threaded connecting pieces, the support seat and the press block clamp and fix a frame bottom surface (21) of the unit bodies in the solar thermal collector together, and the adjacent unit bodies in the solar thermal collector are connected with each other; the support seat is outer curling side channel steel provided with a plurality of mounting holes in the middle; the press block is formed by cutting any of inner curling side channel steel, the outer curling side channel steel or equal side channel steel and is provided with a connecting mounting hole in the middle. The connecting device used between the unit bodies in the large solar thermal collector not only saves the product cost, but also indirectly forms standardization of the connecting device, so that replacement is easy when in damage, and assembly and disassembly are easier when in installation and maintenance.
Description
Technical field
The utility model relates to a kind of jockey that is used between large-sized solar heat collector cell cube, belongs to the manufacturing field of large-sized solar heat collector.
Background technology
As everyone knows, under the same terms, the heat-collecting capacity and the heat collector area of solar thermal collector are directly proportional, and heat collector is big more, and heat-collecting capacity is high more.Therefore,, just must couple together a plurality of solar thermal collector cell cubes, form a large-sized solar heat collector for the more occasion of heat-collecting capacity demand.
Chinese patent literature CN1654900A (denomination of invention: assembling of solar energy collector casing integral type and assembling syndeton) provides a kind of embodiment of large-sized solar heat collector.As shown in Figure 1, this large-sized solar heat collector is made up of euphotic cover plate 1, external seal bar 2, extrusion profile edge strip 3, right angle liner 4, case bottom surface 5, framework right angle block, fluid sealant, side bumper bar 8, centre joint blend stop 9, location rib 10, the rib limit 11 of dripping, embedding pressure type snap groove 12, rubber cushion 13 etc.; The outside of extrusion profile edge strip 3 and framework right angle block has the embedding pressure type snap groove 12 that is made for centre joint blend stop 9 or 8 installations of side bumper bar; centre joint blend stop 9 and side bumper bar 8 press embeddings that the external seal bar 2 that its blend stops part of back just blocks protection its underpart is installed to avoid solar radiation, and four framework right angle block and extrusion profile edge strip 3 and 4 of right angle liners can be filled with fluid sealant.Because centre joint blend stop 9 and the external sealing strip 2 of side blend stop play the effect that hides protection fully behind the secondary seal; the long-term weather resisteant and the reliability of casing and external seal bar have been improved; the sealing of euphotic cover plate 1 is ensured for a long time; the centre joint between blend stop 9 and 3 pairs of cell cubes of edge strip splicing has simultaneously been played protection and decoration function with outward appearance, has satisfied the requirement as solar integration construction set or member.
Then, two adjacent heat collector cell cubes in the patented product, except the framework that is carried out the upper end by centre joint blend stop 9 connects, must make also that lower frame is connected to each other the location, unification installs and fixes the heat collector mounting bracket, the roof is domatic or metope on, the installation that could guarantee the large-sized solar heat collector is stable, can resist the attack of violent storm then.
Fig. 2, shown in Figure 3 is the existing jockey that is used between large-sized solar heat collector cell cube.The framework of solar thermal collector cell cube is made up of the framework bottom surface 21 of lower end, middle framework riser 22, the upper end that has a snap groove 12.This jockey is positioned at 20 of adjacent solar thermal collector cell cubes, comprises bearing 30, briquetting 32, and the threaded connector formed of bolt 31 and nut 33.Bearing 30 all has the square section bar of continuous T type groove 34 for every side, bolt 31 slips into T type groove 34 on the bearing 30 by the end face of bearing 30, the head of bolt 31 is stuck in the T type groove 34, and bolt 31 can only move forward and backward along the T type groove 34 of bearing 30, and can not extract for 30 li from bearing.When the large-sized solar heat collector is installed, earlier bearing 30 be fixed in the heat collector mounting bracket, the roof is domatic or metope on; Then the framework bottom surface 21 of two adjacent solar thermal collector cell cube lower ends is placed on the bearing 30, be in the both sides of top T type groove 34 certainly respectively; Bolt 31 slips into T type groove 34 on the bearing 30 by the end face of bearing 30, is going here and there square briquetting 32 and nut 33 on the bolt 31; Screw thread through nut 33 and bolt 31 screws, the framework bottom surface 21 of bearing 30 and briquetting 32 common clampings and fixed solar heat collector cell cube, and adjacent solar thermal collector cell cube couples together; At last, again centre joint blend stop 9 is withheld in the snap groove 12 the final large-sized solar heat collector that forms the multiple-unit body of sealing.
Yet because the solar energy industry does not have unified product standard so far, therefore, the solar thermal collector cell cube does not have unified specification requirement yet, and numerous sizes has appearred in bearing 30 especially.This not only causes each solar thermal collector producer to spend huge wealth respectively coming mold developing, casting bearing, and the bearing that has also caused each producer is difficult to replace, increased maintenance, maintenance cost.In addition, existing bearing 30 is fixed in the heat collector mounting bracket, the roof is domatic or metope on the time, must install at above-mentioned heat collector, the roof is domatic or metope on get through the hole, could insert the bolt in the bearing 30 in the above-mentioned hole, and with the heat collector mounting bracket, the roof is domatic or the nut of the opposite side of metope is threaded, installation, maintenance be very much inconvenience.In addition, briquetting adopts the pad in the bolt and nut connection usually, and it is limited that contact compresses area, and installation is connected the location with framework unreliable.
Summary of the invention
The utility model is to provide a kind of solution simply and easily for installing and fixing of large-sized solar heat collector is connected the location with the framework of cell cube part, makes that the mounting or dismounting of cell cube when installation, maintenance in the large-sized solar heat collector are easier.
In order to achieve the above object, the utility model provides a kind of jockey that is used between large-sized solar heat collector cell cube, between adjacent solar thermal collector cell cube, comprise bearing, briquetting and threaded connector, each bottom surface of solar thermal collector framework links to each other with briquetting and bearing are fastening through several threaded connectors, it is characterized in that:
Described bearing is outer lipped channel section bar, and the bearing-surface that install this outer lipped channel section bar and solar thermal collector framework bottom surface is provided with several and is connected and installed the hole; Described briquetting is a kind of short block that forms through cutting in lipped channel section bar, outer lipped channel section bar or the equilateral channel steel section bar in adopting, and the end face of this briquetting is provided with at least one and is connected and installed the hole;
At the bolt that is provided with threaded connector in the hole that is connected and installed of described bearing and briquetting, these bolts and nuts or screwed hole are fastening to link to each other; Each bottom surface of solar thermal collector framework is provided with at least two briquettings.
In the jockey that is used between large-sized solar heat collector cell cube of the present utility model, bearing, briquetting are standard sections and make, and can be directly on the market and buy, and need not other mold developing, casting separately.Like this, not only saved product cost, also formed the standardization of jockey indirectly, made and replaced easily when damaging that the mounting or dismounting during installation, maintenance are easier.
In the jockey that is used between large-sized solar heat collector cell cube of the present utility model, bearing can be fixed to the heat collector mounting bracket through modes such as welding, be threaded, the roof is domatic or metope on.For example, can be provided with on the crimping outside the bearing both sides and be connected and installed the hole, through inserting the screw in this hole, comprise swell fixture bearing be fixed on the heat collector mounting bracket, the roof is domatic or metope on, and need not a support, the roof is domatic or metope is got through, no longer just by the bolt in the bearing and heat collector mounting bracket, the roof is domatic or being threaded of the nut of the opposite side of metope.Like this, the mounting means of bearing has had multiple choices, operates more flexible.
In the jockey that is used between large-sized solar heat collector cell cube of the present utility model, the bearing-surface of the installation of bearing and solar thermal collector framework bottom surface is provided with is connected and installed the hole and can be unthreaded hole, has coaxial nut to adopt mode such as welding to be fixedly attached on the bearing under the unthreaded hole.Bolt insert on briquetting end face and the bearing support face be connected and installed the hole and aforementioned nut is fastenedly connected.
In addition, the end face of bearing is provided with is connected and installed the hole and also can be screwed hole.The screwed hole that is connected and installed on hole and the bearing support face that bolt inserts the briquetting end face is fastenedly connected.
The end face of bearing is provided with is connected and installed the hole when being screwed hole, and screwed hole can also have nut coaxial and that internal thread is identical to adopt mode such as welding to be fixedly attached on the bearing down.Bolt insert the briquetting end face the screwed hole that is connected and installed hole and aforementioned nut and bearing support face be fastenedly connected.
Damage during for increase locking effect, minimizing locking between threaded connector and briquetting also can have metal or rubber washer on the end face of briquetting and between the fastening stitching surface of bolt.Certainly, between briquetting and solar thermal collector framework bottom surface, and also can be provided with rubber sheet gasket or rubber coating between solar thermal collector framework bottom surface and bearing, reduce mutual wearing and tearing.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the disclosed large-sized solar heat collector of Chinese patent literature CN1654900A;
Fig. 2 is the existing structural representation that is used for the jockey between large-sized solar heat collector cell cube, for clarity sake, has omitted the part parts;
Fig. 3 is the cutaway view of institute's mark position among Fig. 2, for clarity sake, and only the drawn part outline of bearing 30 of dotted line;
Fig. 4 is the structural representation that is used for the embodiment one of the jockey between large-sized solar heat collector cell cube of the present utility model, for clarity sake, has omitted the part parts;
Fig. 5 is the cutaway view of institute's mark position among Fig. 4, for clarity sake, and only the drawn part outline of bearing 40 of dotted line;
Fig. 6 is the structural representation that is used for another embodiment of the jockey between large-sized solar heat collector cell cube of the present utility model, for clarity sake, has omitted the part parts;
Fig. 7 is the cutaway view of institute's mark position among Fig. 6, for clarity sake, and only the drawn part outline of bearing 40 of dotted line;
Fig. 8 is the structural representation that is used for another embodiment of the jockey between large-sized solar heat collector cell cube of the present utility model, for clarity sake, has omitted the part parts;
Fig. 9 is the structural representation that is used for another embodiment of the jockey between large-sized solar heat collector cell cube of the present utility model, for clarity sake, has omitted the part parts.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As Fig. 4, shown in Figure 5, the framework of solar thermal collector cell cube 20 is made up of the framework bottom surface 21 of lower end, middle framework riser 22, the upper end that has a snap groove 12.Present embodiment be used for jockey between large-sized solar heat collector cell cube, be positioned at 20 of adjacent solar thermal collector cell cubes, comprise bearing 40, briquetting 42, based on the threaded connector of bolt 41 and nut 43.Wherein, bearing 40 adopts outer lipped channel, and and the bearing-surface of solar thermal collector framework bottom surface installation be provided with some holes that are connected and installed; The briquetting 42 outer lipped channel of serving as reasons cuts the short block that forms, and end face is provided with and is connected and installed the hole.Briquetting 42 be connected and installed hole and bearing 40 be connected and installed hole alignment after, bolt 41 screws through the above-mentioned hole insertion rear thread that is connected and installed, the common clamping of outer crimping of bearing 40 and briquetting 42 and the framework bottom surface 21 of fixed solar heat collector cell cube, 42 of adjacent briquettings have at interval.
In the present embodiment, respectively be provided with a row outside bearing 40 both sides on the crimping and be connected and installed hole 44, through inserting the screw in this hole, comprise swell fixture bearing 40 be fixed on the heat collector mounting bracket, the roof is domatic or metope on, and need not a support, the roof is domatic or metope is got through, no longer be only by the bolt in the bearing with the heat collector mounting bracket, the roof is domatic or the nut of the opposite side of metope is threaded.Like this, the mounting means of bearing has more more options.
In the present embodiment, being connected and installed the hole and can being unthreaded hole of bearing 40 end faces has coaxial nut 43 to be welded on the bearing under the unthreaded hole; Bolt 41, insert briquetting 42 end faces and bearing 40 end faces be connected and installed the hole and aforementioned nut 43 is fastenedly connected.
In the present embodiment, the installing hole of bearing 40 end faces also can be screwed hole, has nut 43 coaxial and identical internal thread to be welded on the bearing under the screwed hole; Bolt 41 inserts the installing hole of briquetting 42 end faces and the screwed hole of aforementioned nut 43 and bearing 40 end faces is threaded.
For increase locking effect, the damage of 42 of bolt 41 and briquettings when reducing locking, on the external diameter of the upper surface of briquetting 42, bolt 41, also can have metal or rubber washer.
When the large-sized solar heat collector is installed, earlier the bearing 40 that is welded with nut 43 be fixed in the heat collector mounting bracket, the roof is domatic or metope on; Then the framework bottom surface 21 of two adjacent solar thermal collector cell cube lower ends is placed on the bearing 40, be in the both sides that bearing 40 is connected and installed the hole certainly respectively; In the middle of two adjacent framework bottom surfaces 21, place briquettings 42 again, be connected and installed hole, inserting bolt 41 on alignment briquetting 42 and the bearing 40; Screw thread through bolt 41 and nut 43 (threaded mounting hole of bearing 40) screws, the framework bottom surface 21 of common clamping of bearing 40 and briquetting 42 (being mainly outer bead portion) and fixed solar heat collector cell cube, adjacent solar thermal collector cell cube 20 couples together; At last, again centre joint blend stop 9 is withheld in the snap groove 12 the final large-sized solar heat collector that forms the multiple-unit body of sealing.
Among this embodiment one, briquetting 42 is to utilize the framework bottom surface 21 of 45 pairs of adjacent solar thermal collector cell cubes 20 of outer crimping to carry out clamping and fixing, and the side of channel-section steel does not contact with solar thermal collector cell cube 20.Therefore, two adjacent solar thermal collector cell cubes 20 are held and fixedly the time, the distance that the framework riser of two adjacent solar thermal collector cell cubes 20 is 22 also must be greater than the distance between the outer crimping of outer lipped channel.
As Fig. 6, Figure 7 shows that another embodiment of the present utility model.With the difference of embodiment one, only be that briquetting 42 has adopted interior lipped channel.At this moment, two adjacent solar thermal collector cell cubes 20 are held and fixedly the time, it is interior crimping 46 by bearing 40 and briquetting 42, the distance that the framework riser of two adjacent solar thermal collector cell cubes 20 is 22 need only be not greater than or equal to the distance of 47 of the sides of outer lipped channel, obviously, the adjustable distance of 20 of adjacent two solar thermal collector cell cubes has increased.
Outside the distance of 22 of the framework risers of two adjacent solar thermal collector cell cubes 20 equals 47 of the sides of lipped channel apart from the time, the framework riser 22 of side 47 and adjacent two solar thermal collector cell cubes 20 contacts, and side 47 can be done further spacing to two adjacent solar thermal collector cell cubes 20.When placing briquetting 42, briquetting can slide on 22 of the framework risers of two adjacent solar thermal collector cell cubes 20, framework bottom surface 21, the alignment that is connected and installed the hole of briquetting 42 and bearing 40 only need be considered front and back position, and does not have left-right deviation, is easy to operation.On the other hand, inserting bolt 41 in briquetting 42, and bolt 41 and nut 43 be not when locking, the framework bottom surface 21 of two adjacent solar thermal collector cell cubes is not held and fixedly the time, two adjacent solar thermal collector cell cubes 20 can be slided along the two sides of briquetting 42, thereby make the dismounting of solar thermal collector cell cube 20, installation become very easy.
Fig. 8 is another embodiment, with embodiment illustrated in fig. 4 basic identical, briquetting 42 wherein, bearing 40 all adopt outer lipped channel, difference only is: the well width of briquetting 42 is less than the well width of bearing 40 among Fig. 4, and each bottom surface 21 of solar thermal collector framework places between the end face of the outer crimping 45 of briquetting 42 and bearing 40; The well width of briquetting 42 is greater than the well width of bearing 40 among Fig. 8, and each bottom surface 21 of solar thermal collector framework places between the outer crimping of the outer crimping 45 of briquetting 42 and bearing 40.
Fig. 9 is another embodiment, with embodiment illustrated in fig. 6 basic identical, briquetting 42 wherein all adopts interior lipped channel, bearing 40 all adopts outer lipped channel, difference only is: the well width of briquetting 42 is less than the well width of bearing 40 among Fig. 6, and each bottom surface 21 of solar thermal collector framework places between the end face of the interior crimping 45 of briquetting 42 and bearing 40; The well width of briquetting 42 is greater than the well width of bearing 40 among Fig. 9, and each bottom surface 21 of solar thermal collector framework places between the outer crimping of the interior crimping 45 of briquetting 42 and bearing 40.
More than be one of embodiment of the present utility model,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize the purpose of this utility model equally for those skilled in the art.But this variation obviously should be in the protection domain of claims of the present utility model.
Claims (8)
1. be used for the jockey between large-sized solar heat collector cell cube, be positioned between the adjacent solar thermal collector cell cube (20), comprise bearing (30,40), briquetting (32,42) and threaded connector (31,41), each bottom surface (21) of solar thermal collector framework through several threaded connectors with briquetting, bearing is fastening links to each other, it is characterized in that:
Described bearing (40) is outer lipped channel section bar, and the end face of this bearing is provided with several and is connected and installed the hole; Described briquetting (42) is a kind of short block that forms through cutting in lipped channel section bar, outer lipped channel section bar or the equilateral channel steel section bar in adopting, and the end face of this briquetting is provided with at least one and is connected and installed the hole;
Be provided with bolt (41) in the hole being connected and installed of described bearing (40) and briquetting (42), this bolt (41) is with nut or screwed hole is fastening links to each other; Each bottom surface (21) of solar thermal collector framework is provided with at least two briquettings (42).
2. the jockey that is used between large-sized solar heat collector cell cube according to claim 1, it is characterized in that: also be provided with on the crimping outside described bearing (40) both sides and be connected and installed hole (44), through insert that this screw that is connected and installed the hole is fixed on the heat collector mounting bracket to bearing (40), the roof is domatic or metope on.
3. the jockey that is used between large-sized solar heat collector cell cube according to claim 1, it is characterized in that: the hole that is connected and installed that the end face of described bearing (40) is provided with is a unthreaded hole, unthreaded hole has coaxial nut (43), this nut be fixedly connected on that this bearing (40) is gone up and with fastening linking to each other of described bolt (41).
4. the jockey that is used between large-sized solar heat collector cell cube according to claim 1 is characterized in that: the hole that is connected and installed that the end face of described bearing (40) is provided with is a screwed hole, this screwed hole and fastening linking to each other of described bolt (41).
5. the jockey that is used between large-sized solar heat collector cell cube according to claim 4, it is characterized in that: the hole that is connected and installed that the end face of described bearing (40) is provided with is a screwed hole, this screwed hole has nut coaxial and that internal thread is identical (43), described nut be fixedly connected on the bearing and with fastening linking to each other of described bolt (41).
6. according to the jockey between large-sized solar heat collector cell cube of being used for of one of arbitrary claim in the claim 3 to 5, it is characterized in that: on the end face of described briquetting (42) and also be provided with the packing ring of metal or rubber between the fastening stitching surface of bolt (41).
7. according to claim 3 or the 5 described jockeys that are used between large-sized solar heat collector cell cube, it is characterized in that: described fixedly connected be the welding.
8. installing and fixing with the framework frame of solar thermal collector according to claim 1 is connected positioner, it is characterized in that: also be provided with rubber sheet gasket or rubber coating between described briquetting and solar thermal collector framework bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920067991U CN201373608Y (en) | 2009-02-24 | 2009-02-24 | Connecting device used between unit bodies in large solar thermal collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920067991U CN201373608Y (en) | 2009-02-24 | 2009-02-24 | Connecting device used between unit bodies in large solar thermal collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201373608Y true CN201373608Y (en) | 2009-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920067991U Expired - Fee Related CN201373608Y (en) | 2009-02-24 | 2009-02-24 | Connecting device used between unit bodies in large solar thermal collector |
Country Status (1)
| Country | Link |
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| CN (1) | CN201373608Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506035A (en) * | 2011-10-31 | 2012-06-20 | 深圳市新天光电科技有限公司 | Connecting mechanism |
| US8407895B2 (en) | 2010-07-29 | 2013-04-02 | First Solar, Inc. | Methods of manufacturing a slider clip for holding a photovoltaic structure |
| CN114379711A (en) * | 2022-01-26 | 2022-04-22 | 广船国际有限公司 | Ship ceiling |
-
2009
- 2009-02-24 CN CN200920067991U patent/CN201373608Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8407895B2 (en) | 2010-07-29 | 2013-04-02 | First Solar, Inc. | Methods of manufacturing a slider clip for holding a photovoltaic structure |
| US8413946B2 (en) | 2010-07-29 | 2013-04-09 | First Solar, Inc. | Photovoltaic structure mounting apparatus and system having a slider clip |
| US8413312B2 (en) | 2010-07-29 | 2013-04-09 | First Solar, Inc. | Methods of installing photovoltaic structures on a support element |
| US8418984B2 (en) | 2010-07-29 | 2013-04-16 | First Solar, Inc. | Slider clip and photovoltaic structure mounting system |
| US8418983B2 (en) | 2010-07-29 | 2013-04-16 | First Solar, Inc. | Slider clip and photovoltaic structure mounting system |
| US8894033B2 (en) | 2010-07-29 | 2014-11-25 | First Solar, Inc | Slider clip and photovoltaic structure mounting system |
| US9551510B2 (en) | 2010-07-29 | 2017-01-24 | First Solar, Inc. | Slider clip and photovoltaic structure mounting system |
| CN102506035A (en) * | 2011-10-31 | 2012-06-20 | 深圳市新天光电科技有限公司 | Connecting mechanism |
| CN114379711A (en) * | 2022-01-26 | 2022-04-22 | 广船国际有限公司 | Ship ceiling |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Pan Ge Document name: Notification to Pay the Fees |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091230 Termination date: 20140224 |