CN1782601A - Indoor unit of air conditioner - Google Patents
Indoor unit of air conditioner Download PDFInfo
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- CN1782601A CN1782601A CNA200410093679XA CN200410093679A CN1782601A CN 1782601 A CN1782601 A CN 1782601A CN A200410093679X A CNA200410093679X A CN A200410093679XA CN 200410093679 A CN200410093679 A CN 200410093679A CN 1782601 A CN1782601 A CN 1782601A
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- air
- heat exchanger
- suction inlet
- indoor machine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D2001/0253—Particular components
- F28D2001/026—Cores
- F28D2001/0266—Particular core assemblies, e.g. having different orientations or having different geometric features
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- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The indoor unit of air conditioner includes the following parts: a casing with air inlet port and air outlet port; a blower set inside the casing to convey air to inside and outside casing; heat exchangers arranged between the air inlet port and the air outlet port in gradually reduced interval inside the casing; and guide units set between heat exchangers to disperse air to the heat exchangers. Each of the guide units consists of a rack and a guide sheet to guide air to the heat exchanger. The present invention can disperse the heat exchange effect between air and refrigerant among the heat exchangers homogeneously to raise the heat exchange efficiency of the heat exchangers.
Description
Technical field
The present invention relates to a kind of indoor machine of air-conditioner.
Background technology
In general, air-conditioner is as devices such as greenhouse device, cold house device, clarifiers, in order to carry out cooling-heating room operation or to purify air and be provided with indoor, creates the device of a comparatively comfortable indoor environment for people.Air-conditioner is: utilize the freeze cycle of the refrigerant that is made of compressor, condensed device, evaporimeter, expansion gear, to sucking after air carries out heat exchange, supply to the device in building or room.
Above-mentioned air-conditioner can be divided into integral type (window type) and split type (separatetype or split type) two kinds of forms substantially.
The function of above-mentioned integral air conditioner and detachable air conditioner much at one, still, the indoor heat converter of integral air conditioner, compressor, outdoor heat converter, expansion gear all are installed in the device.And in the detachable air conditioner, then with indoor heat converter (evaporimeter or condensed device) and blower setting in indoor set, with outdoor heat converter (condensed device or evaporimeter) and compressor and blower setting in off-premises station.And, in above-mentioned indoor set and off-premises station, at a position expansion gear is set at least, connect indoor set and the off-premises station that is separated from each other with coolant piping then.
As shown in Figure 1, existing indoor machine of air-conditioner includes following components: the bottom is formed with air suction inlet (2a), is formed with the housing (2) of air outlet (2b) above; Be arranged at the upper inside of above-mentioned housing (2), suck air, and discharge the pressure fan (4) of air by above-mentioned air outlet (2b) by above-mentioned air suction inlet (2a); Be arranged at the inner lower of above-mentioned housing (2), make from above-mentioned air suction inlet (2a) and be transported to the air of air outlet (2b) and the heat exchanger (10) that refrigerant carries out heat exchange.
Be connected with in the air suction inlet (2a) of above-mentioned housing (2): the indoor air that needs is carried out cold/greenhouse operation is directed to the inner suction line (6) of above-mentioned housing (2).Also be provided with the filter (7) that filters the dust in air that is drawn into above-mentioned housing (2) in the above-mentioned air suction inlet (2a).Be connected with in the above-mentioned air outlet (2b): the air that will cool off in above-mentioned heat exchanger (10) or heat guides to the indoor discharge pipe (8) that need carry out cold/greenhouse operation.
Above-mentioned heat exchanger (10) is made of following components: up and down left and right directions be provided with a plurality of, and for refrigerant is flowed after interconnecting, the refrigerant pipe (12) of guiding refrigerant; Axially be inserted into a plurality of heat exchanging fins (14) in the above-mentioned refrigerant pipe (12).
Special needs to be pointed out is,, widen the heat transfer area with above-mentioned air to greatest extent, a plurality of heat exchangers (10) are pressed the above-below direction setting in the inner limited space of above-mentioned housing (2).And, the direction from above-mentioned air suction inlet (2a) to air outlet (2b), the spacing between the heat exchanger will be dwindled gradually.
That is,, then be set to ' ∧ ' shape if 2 aforesaid heat exchangers (10) are arranged.
The driving process that constitutes existing indoor machine of air-conditioner as mentioned above is as follows:
In case above-mentioned pressure fan (4) drives, room air will be directed to above-mentioned housing (2) side by above-mentioned suction line (6).The air that is directed to above-mentioned housing (2) side at first filters out dust in above-mentioned filter (7) after, be drawn into above-mentioned housing (2) inside by above-mentioned air suction inlet (2a) again.
Being drawn into the inner air of above-mentioned housing (2) will be to above-mentioned air outlet (2b), that is, air-supply upward, thus after making above-mentioned air in above-mentioned heat exchanger (10), carry out heat exchange, heat/be cooled to uniform temperature with refrigerant.The air of finishing heat exchange with refrigerant will be discharged to indoor by above-mentioned air outlet (2b) and discharge pipe (8) again, thereby be suitable temperature with indoor temperature transition.
But there are the following problems for existing indoor machine of air-conditioner: at the inner air of above-mentioned housing (2), because the air-supply power of above-mentioned pressure fan (4) mainly flows upward.But, can make the more top that focuses on above-mentioned heat exchanger (10) of air because above-mentioned heat exchanger (10) is obliquely installed.The hot-swap feature of air and refrigerant can not evenly be disperseed in above-mentioned heat exchanger (10), thereby cause the area of above-mentioned heat exchanger (10) lower specific efficiency.
Summary of the invention
In order to overcome the not high shortcoming of heat exchanger effectiveness of heat exchanger in the existing indoor set, the invention provides a kind of indoor machine of air-conditioner, the heat exchange action of air and refrigerant is evenly disperseed in heat exchanger, thereby improve its heat exchanger effectiveness.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of indoor machine of air-conditioner includes following several sections: the housing that is formed with air suction inlet and air outlet; Be arranged at the inside of above-mentioned housing, carry the pressure fan of air to the inside and outside of above-mentioned housing; Be arranged at the inside of above-mentioned housing, and from above-mentioned air suction inlet to the air outlet direction, the diminishing a plurality of heat exchangers of mutual spacing; It is characterized in that it also comprises: be arranged between above-mentioned a plurality of heat exchanger, and from above-mentioned air suction inlet to the air outlet direction, with the guider of air dispersion in the above-mentioned heat exchanger.
Aforesaid indoor machine of air-conditioner, wherein guider is to be made of following components: be arranged at each heat exchanger side, and be formed with a plurality of supports of a plurality of grooves from above-mentioned air suction inlet to the air outlet direction; Protrude to the rightabout of above-mentioned heat exchanger from each groove of above-mentioned support, and air is directed to the prerotation vane of above-mentioned heat exchanger.
Aforesaid indoor machine of air-conditioner, wherein a plurality of supports are formed slopely to above-mentioned air outlet from above-mentioned air suction inlet, and from above-mentioned air suction inlet to above-mentioned air outlet, the spacing between above-mentioned a plurality of supports is dwindled gradually.
Aforesaid indoor machine of air-conditioner, wherein the protrusion length of prerotation vane in each support, elongated gradually from above-mentioned air suction inlet to the air outlet direction.
Aforesaid indoor machine of air-conditioner, wherein prerotation vane is formed slopely to the air outlet direction from above-mentioned air suction inlet.
Aforesaid indoor machine of air-conditioner, wherein prerotation vane is inclined to the state vertical with above-mentioned heat exchanger.
Aforesaid indoor machine of air-conditioner, wherein prerotation vane forms the curve form to above-mentioned air suction inlet bending.
Aforesaid indoor machine of air-conditioner, wherein a plurality of supports are to utilize the framework that is provided with between the above-mentioned air outlet side end interconnective.
Aforesaid indoor machine of air-conditioner, wherein frame is made of the framework of the periphery that forms above-mentioned a plurality of supports.
Aforesaid indoor machine of air-conditioner, wherein frame is made of grid.
Aforesaid indoor machine of air-conditioner, wherein guider is partial to the air inflow side setting in the above-mentioned heat exchanger.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is that schematic diagram cuts open in the office of existing indoor machine of air-conditioner.
Fig. 2 is the partial schematic diagram of indoor machine of air-conditioner of the present invention.
Fig. 3 is the generalized section of air-deflector of the present invention.
Fig. 4 is the stereogram of air-deflector of the present invention.
The number in the figure explanation:
50: housing 50a: air suction inlet
50b: air outlet 52: pressure fan
60: heat exchanger 70: guider
72: groove 74: support
76: fin 80: frame
The specific embodiment
Shown in Fig. 2,3, indoor machine of air-conditioner of the present invention comprises following components: the bottom is formed with air suction inlet (50a), is formed with the housing (50) of air outlet (50b) above; Be arranged at above-mentioned housing (50) upper inside, suck air, and discharge the pressure fan (52) of air from above-mentioned air outlet (50b) by above-mentioned air suction inlet (50a); Be arranged at the inner lower of above-mentioned housing (50), from above-mentioned air suction inlet (50a) to air outlet (50b) direction, mutual distance reduces gradually, and makes from above-mentioned air suction inlet (50a) and be transported to the air of air outlet (50b) and a plurality of heat exchangers (60) that refrigerant carries out heat exchange; Be arranged between above-mentioned a plurality of heat exchanger (60), and from above-mentioned air suction inlet (50a) to air outlet (50b) direction, with the guider (70) of air dispersion in the above-mentioned heat exchanger (60).
As an embodiment, above-mentioned a plurality of heat exchangers (60) constitute by 2, and are obliquely installed corresponding to above-below direction, are ' ∧ ' shape symmetrically.
At this moment, the upper end of above-mentioned 2 heat exchangers (60) is close to mutually, and the lower end is then in order to block above-mentioned air suction inlet (50a), and makes distance between the bottom greater than above-mentioned air suction inlet (50a).
Above-mentioned guider (70) is made of following components: for to the even dispersion air of above-mentioned 2 heat exchangers (60), and separately with the corresponding one by one setting of above-mentioned 2 heat exchangers (60) side, and in order to make air flow to above-mentioned heat exchanger (60), and arrive air outlet (50b) direction to above-mentioned air suction inlet (50a), that is, be formed with 2 supports (74) of a plurality of grooves (72) along the vertical direction; In each groove (72) of above-mentioned support, to the rightabout protrusion of above-mentioned heat exchanger (60), and, flow in the above-mentioned heat exchanger (60) for after the diffusion about the air that makes conveying upward, and the prerotation vane (76) of guiding air.
Shown in Fig. 3,4, the degree of above-mentioned groove (72) is equivalent to the width of above-mentioned heat exchanger (60), and above-mentioned groove (72) is straight square shape, and on each support (74), makes the setting that keeps at a certain distance away of a plurality of grooves.Certainly, this is one embodiment of the invention, and shape, number and the set-up mode of above-mentioned groove (72) can have multiple shape according to the dispersion efficiency of air or the flow behavior of air.
Above-mentioned support (74) is thinner than above-mentioned heat exchanger (60), and has four edged surface plates of the width identical with above-mentioned heat exchanger (60).And in order to suck (50a) to air outlet (50b) direction, become gradually greatly with the spacing of above-mentioned heat exchanger (60), and be formed slopely corresponding to above-below direction separately from above-mentioned air.Therefore, can make at least a portion in a plurality of prerotation vanes (76) that are formed at an above-mentioned support (74), can be not overlapping with neighbouring prerotation vane (76), thus air can evenly be disperseed up and down.
At this moment, be distributed to uniformly in the above-mentioned heat exchanger (60) in order to make air, the gradient of above-mentioned support (74) can have variform.
In addition, be provided with the frame (80) that is used to connect above-mentioned support (74) between the end of above-mentioned air outlet (50b), therefore above-mentioned support and frame supported mutually, and then can keep resistance to overturning.
Above-mentioned frame (80) is not in order to hinder the air of carrying to air outlet (50b) from above-mentioned air suction inlet (50a), periphery between the above-mentioned support (74) forms, and is hollow formation with the corresponding up and down position of above-mentioned air suction inlet (50a).
Aforesaid frame (80) is being expressed as the square shape that connects between above-mentioned 2 supports (74) on the drawing.
In addition, though not prompting among the figure, above-mentioned frame (80) can be by being divided into a plurality of straight quadrangles with above-mentioned frame (80) inside, and the extremely thin grid that is used to separate the support skeleton constitutes.
In addition, the effect of above-mentioned prerotation vane (76) is: guiding is transported to the air of air outlet (50b) from above-mentioned air suction inlet (50a), make it through above-mentioned prerotation vane (76) after, by above-mentioned groove, spread again thereby make about air.
Promptly, in order to make the air that is subjected to above-mentioned prerotation vane (76) guiding to above-mentioned heat exchanger (60) vertical ventilation, above-mentioned prerotation vane (76) is to be formed slopely to air outlet (50b) direction from above-mentioned air suction inlet (50a), and is towards the crooked curve form of above-mentioned air suction inlet (50a).
The forming process of above-mentioned prerotation vane (76) is as follows: in also not forming the support (74) of above-mentioned groove (72), promptly, form the outline line of grooves (72) (among the 72a ~ 72d) at needs, remainder except upside (72a) (72b ~ 72d) by after the incision of moulding cutter, rightabout to above-mentioned heat exchanger (60) starts, thereby forms simultaneously with above-mentioned groove (72).
In addition, the protrusion length (76L) of above-mentioned prerotation vane (76) is in each support (74), and is elongated gradually to air outlet (50b) direction from above-mentioned air suction inlet (50a).Therefore, the height (74H) of the above-mentioned groove (72) in each support (74) also will uprise to air outlet (50b) direction gradually from above-mentioned air suction inlet (50a).
In addition, because above-mentioned heat exchanger (60) is formed slopely towards the inboard of above-mentioned air suction inlet (50a), therefore can make the air of conveying and the heat exchange action of refrigerant, can fully finish on the top of above-mentioned heat exchanger (60) from above-mentioned air suction inlet (50a) to air outlet (50b) direction.So above-mentioned guider (70) should be partial to the inflow side that is arranged at air in the above-mentioned heat exchanger (60), the bottom of promptly above-mentioned heat exchanger (60).
The driving process of the indoor machine of air-conditioner of the present invention of Gou Chenging is as follows as mentioned above:
In case above-mentioned pressure fan (52) drives, and by above-mentioned air suction inlet (50a) air is drawn into above-mentioned housing (50) side.Being drawn into the inner air of above-mentioned housing (50) will blow towards above-mentioned air outlet (50b).
At this moment, the air of carrying from above-mentioned air suction inlet (50a) towards air outlet (50b) will be distributed to up and down in the above-mentioned heat exchanger (60) by above-mentioned guider (70).
That is being divided into that, above-mentioned air suction inlet (50a) can be corresponding up and down with a plurality of prerotation vanes (76) of formation in the above-mentioned support (74) is a plurality of.Here, above-mentioned a plurality of prerotation vane (76) forms with left and right directions on above-mentioned support (74).Therefore, separate the air at position,, will be stopped by each self-corresponding prerotation vane (76) in the process of above-mentioned air outlet (50) air-supply by each of above-mentioned air suction inlet (50a).The air that is stopped by above-mentioned prerotation vane (76) will be by above-mentioned prerotation vane (76) guiding, by the groove (72) that forms in the above-mentioned support (74), towards with each groove (72) about corresponding heat exchanger (60) mobile.
According to the effect of above-mentioned guider (70), air will be distributed to up and down in the above-mentioned heat exchanger (60), and therefore, in whole heat exchanger (60), the heat exchange action of air and refrigerant can evenly realize.
In addition, the air that carries out heat exchange with refrigerant in above-mentioned heat exchanger (60) will be discharged to above-mentioned housing (50) outside by above-mentioned air outlet (50b).
The indoor set of air-conditioner of the present invention has following effect: establish in the indoor set of air-conditioner of the present invention Be equipped with following member: a plurality of heat exchangers: from air suction inlet to the air outlet direction, above-mentioned The mutual distance of heat exchanger will diminish gradually; Support: above-mentioned support be formed at a plurality of heat exchangers it Between, one by one corresponding with each heat exchanger, and be formed with up and down a plurality of grooves; Prerotation vane: above-mentioned guiding Sheet is that the rightabout from above-mentioned each groove to above-mentioned heat exchanger protrudes, and will be from above-mentioned air suction inlet Be transported to the air of air outlet, to above-mentioned heat exchanger guiding. Because above-mentioned formation is from above-mentioned sky The aspiration entrance is transported to the air of air outlet, after will disperseing up and down by above-mentioned prerotation vane, flow to In the above-mentioned heat exchanger, therefore, can make the hot-swap feature in the above-mentioned heat exchanger be able to even realization.
Claims (11)
1, a kind of indoor machine of air-conditioner includes following several sections:
Be formed with the housing of air suction inlet and air outlet;
Be arranged at the inside of above-mentioned housing, carry the pressure fan of air to the inside and outside of above-mentioned housing;
Be arranged at the inside of above-mentioned housing, and from above-mentioned air suction inlet to the air outlet direction, the diminishing a plurality of heat exchangers of mutual spacing; It is characterized in that it also comprises:
Be arranged between above-mentioned a plurality of heat exchanger, and from above-mentioned air suction inlet to the air outlet direction, with the guider of air dispersion in the above-mentioned heat exchanger.
2, indoor machine of air-conditioner according to claim 1, it is characterized in that above-mentioned guider is to be made of following components: be arranged at each heat exchanger side, and be formed with a plurality of supports of a plurality of grooves from above-mentioned air suction inlet to the air outlet direction;
Protrude to the rightabout of above-mentioned heat exchanger from each groove of above-mentioned support, and air is directed to the prerotation vane of above-mentioned heat exchanger.
3, indoor machine of air-conditioner according to claim 2, it is characterized in that above-mentioned a plurality of support is formed slopely to above-mentioned air outlet from above-mentioned air suction inlet, and to above-mentioned air outlet, the spacing between above-mentioned a plurality of supports is dwindled gradually from above-mentioned air suction inlet.
4, indoor machine of air-conditioner according to claim 2, the protrusion length that it is characterized in that above-mentioned prerotation vane is in each support, and is elongated gradually to the air outlet direction from above-mentioned air suction inlet.
5, indoor machine of air-conditioner according to claim 2 is characterized in that above-mentioned prerotation vane is formed slopely to the air outlet direction from above-mentioned air suction inlet.
6, indoor machine of air-conditioner according to claim 5 is characterized in that above-mentioned prerotation vane is inclined to the state vertical with above-mentioned heat exchanger.
7,, it is characterized in that above-mentioned prerotation vane forms the curve form to above-mentioned air suction inlet bending according to claim 2 or 5 or 6 described indoor machine of air-conditioner.
8, indoor machine of air-conditioner according to claim 2 is characterized in that above-mentioned a plurality of support is to utilize the framework that is provided with between the above-mentioned air outlet side end interconnective.
9, indoor machine of air-conditioner according to claim 8 is characterized in that above-mentioned frame is made of the framework of the periphery that forms above-mentioned a plurality of supports.
10, indoor machine of air-conditioner according to claim 9 is characterized in that above-mentioned frame is made of grid.
11, indoor machine of air-conditioner according to claim 1 is characterized in that the air inflow side that above-mentioned guider is partial in the above-mentioned heat exchanger is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410093679XA CN100504223C (en) | 2004-11-29 | 2004-11-29 | Indoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410093679XA CN100504223C (en) | 2004-11-29 | 2004-11-29 | Indoor unit of air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1782601A true CN1782601A (en) | 2006-06-07 |
| CN100504223C CN100504223C (en) | 2009-06-24 |
Family
ID=36773073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200410093679XA Expired - Fee Related CN100504223C (en) | 2004-11-29 | 2004-11-29 | Indoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100504223C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102252558A (en) * | 2011-05-06 | 2011-11-23 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchange device |
| CN103610551A (en) * | 2013-11-04 | 2014-03-05 | 宁波戴维医疗器械股份有限公司 | Heating system for infant incubator |
| WO2014194763A1 (en) * | 2013-06-03 | 2014-12-11 | 海尔集团公司 | Vertical air-conditioner air supply apparatus with airflow distribution assembly |
| CN104544755A (en) * | 2014-11-30 | 2015-04-29 | 苏州市景荣科技有限公司 | Freezing shaping machine for shoemaking |
| EP3081867A1 (en) * | 2015-04-17 | 2016-10-19 | Daikin Europe N.V. | Heat exchanger unit |
| US9752833B2 (en) | 2010-06-21 | 2017-09-05 | Sanhua (Hangzhou) Micro Channel Heat Exchange Co., Ltd | Heat exchanger |
| EP3786560A1 (en) * | 2019-08-30 | 2021-03-03 | Ovh | Heat exchanger assembly |
| CN115183334A (en) * | 2021-04-02 | 2022-10-14 | 宁波奥克斯电气股份有限公司 | A heat exchange mechanism and an air conditioner |
-
2004
- 2004-11-29 CN CNB200410093679XA patent/CN100504223C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9752833B2 (en) | 2010-06-21 | 2017-09-05 | Sanhua (Hangzhou) Micro Channel Heat Exchange Co., Ltd | Heat exchanger |
| CN102252558A (en) * | 2011-05-06 | 2011-11-23 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchange device |
| CN102252558B (en) * | 2011-05-06 | 2013-04-10 | 三花控股集团有限公司 | Heat exchange device |
| US9354000B2 (en) | 2011-05-06 | 2016-05-31 | Sanhua (Hangzhou) Micro Channel Heat Exchange Co., Ltd. | Heat exchange device |
| WO2014194763A1 (en) * | 2013-06-03 | 2014-12-11 | 海尔集团公司 | Vertical air-conditioner air supply apparatus with airflow distribution assembly |
| CN103610551A (en) * | 2013-11-04 | 2014-03-05 | 宁波戴维医疗器械股份有限公司 | Heating system for infant incubator |
| CN103610551B (en) * | 2013-11-04 | 2017-01-18 | 宁波戴维医疗器械股份有限公司 | Heating system for infant incubator |
| CN104544755A (en) * | 2014-11-30 | 2015-04-29 | 苏州市景荣科技有限公司 | Freezing shaping machine for shoemaking |
| EP3081867A1 (en) * | 2015-04-17 | 2016-10-19 | Daikin Europe N.V. | Heat exchanger unit |
| EP3786560A1 (en) * | 2019-08-30 | 2021-03-03 | Ovh | Heat exchanger assembly |
| US11415338B2 (en) | 2019-08-30 | 2022-08-16 | Ovh | Heat exchanger assembly |
| CN115183334A (en) * | 2021-04-02 | 2022-10-14 | 宁波奥克斯电气股份有限公司 | A heat exchange mechanism and an air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100504223C (en) | 2009-06-24 |
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Granted publication date: 20090624 Termination date: 20101129 |