CN201440047U - Heat exchanger device and machine using same - Google Patents
Heat exchanger device and machine using same Download PDFInfo
- Publication number
- CN201440047U CN201440047U CN2009201660268U CN200920166026U CN201440047U CN 201440047 U CN201440047 U CN 201440047U CN 2009201660268 U CN2009201660268 U CN 2009201660268U CN 200920166026 U CN200920166026 U CN 200920166026U CN 201440047 U CN201440047 U CN 201440047U
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- cover plate
- cavity
- connection element
- plate
- 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 - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/007—Auxiliary supports for elements
- F28F9/0075—Supports for plates or plate assemblies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
- F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections
Abstract
The utility model relates to a heat exchanger device and a machine using the same, which comprise a heat exchanger, a cover plate which is fixedly connected with the heat exchanger, and a connecting element, wherein the connecting element is provided with a first end and a second end, the first end is positioned and formed in the hollow cavity between the cover plate and the heat exchanger, and the second end is extended out of the cover plate. The heat exchanger device and the machine can conveniently connect the heat exchanger on the corresponding equipment, and have simple structure, convenient connection and high efficiency.
Description
Technical field
The utility model relates to heat exchanger device, relates more particularly to the bindiny mechanism of heat exchanger device.The utility model further relates to the machinery that uses this heat exchanger device.
Background technology
Traditional heat-exchangers of the plate type that piles up generally include a plurality of by relevant assembly element with a paired plate that is stacked on another.For such heat-exchangers of the plate type directly is assembled in the system, for example on the shell of engine, heat-exchangers of the plate type need be equipped retaining element.These retaining elements adopt fixedly ear, the flange that has fixing hole or similar structures usually, and this retaining element is outstanding outside the cooling bag.This means that the heat-exchangers of the plate type that piles up also will occupy other horizontal space except the space that the cooling bag occupies.Further, the heat-exchangers of the plate type that piles up can be processed by rigid material material such as aluminium that for example copper, steel or rigidity are lower.From the angle of intensity, the material of low rigidity adopts known assembling mode undesirable, because vibrations can make fixedly ear that is connected the heat-exchangers of the plate type that piles up or other places and/or the flange distortion that is provided with fixing hole.The U.S. Patent number US7416018 (' 018 patent) that authorizes Thunwall discloses a kind of example of plate heat exchange unit.
' 018 patent relates to a kind of wherein heat-exchangers of the plate type and is connected to device in the system, comprises elongated many parallel-plates assembly, forms first passage by first media and the second channel by second media between parallel-plate respectively.This many parallel-plates assembly has also defined the width and the marginal portion of the parallel-plate that is formed with recess, the outmost plate of this assembly has the first and second plank elements that partly cover each end in its end separately, the first nearest plank element of the system that only is positioned at has the installing hole that is used for assembling by assembling parts this assembly that is positioned at beyond the recess, and a media through port is basically in the width of this assembly.
Although the heat-exchangers of the plate type of ' 018 patent connects the device of a system in the scope of the width of this assembly, the palette sub-element is connected on this assembly difficulty relatively, particularly when heat exchanger and plank element are processed by different materials.Further, recess makes the heat converter structure complexity, and the media through port causes the assembly processed complex.
The utility model is intended to overcome one or more problems of above-mentioned summary.
The utility model content
The utility model discloses a kind of heat exchanger device, comprising: heat exchanger, the cover plate and the Connection Element of fixedlying connected with described heat exchanger.Described Connection Element has second end that is positioned at first end in the cavity that is formed between described cover plate and the described heat exchanger and stretches out described cover plate.
The utility model further discloses a kind of machinery.This machinery has equipment and the heat exchanger device that is connected with described equipment.Described heat exchanger device comprises: heat exchanger; The cover plate of fixedlying connected with described heat exchanger; And Connection Element.Described Connection Element has first end that is positioned in the cavity that is formed between described cover plate and the described heat exchanger, with second end that stretches out described cover plate and be connected with described equipment.
Wherein said cavity limits and forms by being formed at recess on described cover plate or the described heat exchanger and corresponding described heat exchanger or described cover plate; Perhaps described cavity by be formed at respectively recess on described cover plate and the described heat exchanger corresponding be connected to limit form.
Described heat exchanger device also comprises the sealing plate that is arranged between described heat exchanger and the described cover plate, and first end of wherein said Connection Element is positioned in the cavity that is formed between described cover plate and the described sealing plate.
Wherein said cavity limits and forms by being formed at recess on described cover plate or the described sealing plate and corresponding described sealing plate or described cover plate, and perhaps described cavity is connected to limit with recess correspondence on the described sealing plate and forms by being formed at described cover plate respectively.
Wherein said Connection Element is a bolt, and the screw rod of described bolt is second end of described Connection Element, and the head of described bolt is first end that is positioned at the described Connection Element in the described cavity.
Wherein said heat exchanger and described cover plate are formed by first kind of materials processing, and described Connection Element is formed by the second kind of materials processing that is different from described first kind of material.
Wherein said heat exchanger, described cover plate and described sealing plate are formed by first kind of materials processing, and described Connection Element is formed by the second kind of materials processing that is different from described first kind of material.
Described first kind of material is aluminium, and described second kind of material is steel.
Disclosed heat exchanger device of the utility model and machinery can be connected to heat exchanger on the corresponding equipment easily, and syndeton is simple, and is easy to connect, the efficient height, and be specially adapted to the situation that heat exchanger and Connection Element are processed by different materials.
Description of drawings
Fig. 1 is applicable to the stereogram with heat exchanger device of Connection Element of the present utility model.
Fig. 2 is the sectional drawing of 10-10 along the line among Fig. 1, and the heat exchanger that has removed heat exchanger device is to show syndeton.
Fig. 3 is the part explosive view of Fig. 1, to show the syndeton of heat exchanger device.
Fig. 4 is the schematic partial sectional view that the engine housing of heat exchanger device is installed, and has shown the syndeton between heat exchanger device and the engine housing.
The specific embodiment
Fig. 1 and Fig. 3 have shown the heat-exchangers of the plate type device that piles up of liquid-liquid exchange, for example according to the oil cooler 11 of a specific embodiment of the present utility model.Oil cooler 11 is to form with traditional known way structure, comprises the plate 21,22 that is parallel to each other and arranges that polylith piles up alternately, forms passage 24 between them.Between two adjacent passages 24, form passage 23.In oil cooler 11, every block of plate 21 and 22 openings 31 and 32 that comprise separately, opening 31 are connected all passages, and also link to each other with the outlet (not shown) with import with 32 fluids.The base plate 25 of foot is an imperforate plate.
Referring to Fig. 2, according to the utility model specific embodiment, a sealing plate is 51 soldered, soldering or be fixedly attached in other modes well known in the prior art on the uppermost plate 21 of oil cooler 11.Sealing plate 51 also can be fixed on other parts of oil cooler 11, for example on the base plate 25 or side surface of oil cooler 11.Two cover plates 52 is fixed on the sealing plate 51, and cover plate 52 also can be a plate or more than two boards.Every cover plate 52 in sealing plate 51 1 sides, form recess 58, sealing plate 51 is fixedlyed connected with cover plate 52 and is defined as two cavitys 53.When sealing plate 51 thickness were enough, recess 58 can be formed at sealing plate 51 in a side of cover plate 52, and cover plate 52 is fixed on and is defined as cavity 53 on the sealing plate 51.Below be described in respectively and form recess 58 in sealing plate 51 and the cover plate 52, further, can corresponding formation recess be the part cavity on cover plate 52 and sealing plate 51 also, the recess of correspondence be interconnected to form cavity 53 when cover plate 52 is fixedlyed connected with sealing plate 51.Above-mentioned specific embodiment cavity 53 is formed between sealing plate 51 and the cover plate 52.Be fixed to sealing plate 51 on the cover plate 52 with cavity 53 sealing to prevent that coolant from entering cavity 53, prevent that further coolant from leaking and prevent that coolant from producing corrosion to the connector in the cavity 53 from cavity 53.Sealing plate 51 also can increase the intensity of cover plate 52, cavity 53 and oil cooler 11.As selection, can be without sealing plate 51, cover plate 52 can directly be fixedly attached on the oil cooler 11, the formation recess 58 in oil cooler 11 1 sides of cover plate 52, cover plate 52 is defined as cavity 53 when fixedlying connected with oil cooler 11.Recess 58 also can be formed at oil cooler 11 in a side of cover plate 52, and cover plate 52 is fixed on and is defined as cavity 53 on the oil cooler 11.Below be described in respectively and form recess 58 in cover plate 52 and the oil cooler 11, further, can corresponding formation recess be the part cavity on cover plate 52 and oil cooler 11 also, the recess of correspondence be interconnected to form cavity 53 when cover plate 52 is fixedlyed connected with oil cooler 11.(under the situation that does not adopt sealing plate 51) cavity 53 is formed between cover plate 52 and the oil cooler 11 in the above-mentioned concrete structure.Cavity 53 can be one or more than two.Bolt 61 can be used as attaching parts so that oil cooler 11 is connected on other equipment, for example on the engine housing.The head 62 of bolt 61 is contained in the cavity 53.Cover plate 52 is provided with opening 59.The screw rod 63 of bolt 61 passes opening 59 and stretches out cavity 53.
As Figure 1-3, the material thickness that is used for cover plate 52 is bigger than the thickness of the head 62 of bolt 61, with the head 62 that holds bolt 61 and guarantee the intensity that cover plate 52 is good.Sealing plate 51 selects enough thickness to strengthen the plate 21 at the top of oil cooler 11, particularly oil cooler 11, to prevent that oil cooler 11 is out of shape when connecting oil coolers 11 by bolt 61.With further reference to Fig. 1-3, cover plate 52 is stairstepping, and every cover plate 52 has a lower part 54 and a higher part 55.But step-like structure economical with materials to be reducing cost, and can reduce the space that oil cooler 11 and syndeton occupy.
Corresponding to the opening 31 and 32 on the plate 21 and 22 of oil cooler 11, also form opening 31 and 32 on cover plate 52 and the sealing plate 51, opening 31 on cover plate 52 and the sealing plate 51,32 with the plate 21 of oil cooler 11, opening 31 on 22,32 link to each other, and these openings 31 and 32 allow deep fat to flow into from entering opening 31, and cold oil flows out from flowing out opening 32.
Fig. 4 has shown that one is connected to an equipment with oil cooler 11, for example the specific embodiment on the cover part 71 of engine housing (not shown).This equipment can be known other equipment or parts of prior art.Usually oil cooler 11 can be enclosed one by being formed in the housing 57 that recess on the engine housing and cover part 71 limit.Only shown cover part 71 among Fig. 4.The screw rod 63 of bolt 61 stretches out housing 57 by opening or the sleeve pipe 72 that is formed on the cover part 71.Nut 64 tightens screw rod 63 in the cover part 71 of starting shell, securely oil cooler 11 is connected on the engine housing.Because the head 62 of bolt 61 is securely fixed in the cavity 53, oil cooler 11 can be connected with the cover part 71 of engine housing easily with securely.Further, vibrations or the mobile connection that can not damage between engine housing and the oil cooler 11 that produces during operation such as machinery, for example loading machine or bull-dozer.
Industrial usability
In preferred specific embodiment of the utility model, the heat-exchangers of the plate type that piles up comprises oil cooler 11 and can be used to have the machinery of engine, for example loading machine or bull-dozer etc.When assembling oil cooler 11 on engine housing, oil cooler 11 is accommodated in the recess (not shown) on the engine housing.The distribution of the recess on the cover part 71 of engine housing and the engine housing engages.The sleeve pipe 72 that the screw rod 63 of bolt 61 passes on the cover part 71 that is formed on engine shell stretches out cavity 53.Can on the upper surface of cover plate 52 higher parts 55, form cannelure 56, the packing ring (not shown) is set in cannelure 56 around opening 59.Nut 64 tightens screw rod 63 in the cover part 71 of engine housing oil cooler 11 is securely fixed on the engine housing.The packing ring of packing ring, for example rubber washer or other elastomeric material processing well known in the prior art, can be squeezed between cover part 71 and the cover plate 52, with sealed open 59 and prevent that coolant from entering cavity 53 from opening 59.By sealing plate 51 and packing ring, cavity 53 can be sealed by no leakage body ground.Simultaneously, the export and import fluid ground of oil cooler 11 connects the lubricating oil of lubricating engine work.Oil cooler 11 is contained in the housing 57 that cover part 71 and recess by engine shell form hermetically thus.
When using the utility model, enter oil cooler 11 by the hole 73 on the cover part 71 of engine housing from the deep fat of engine according to the utility model one preferred implementation.Stream of hot oil is crossed the import 31 of plate 21,22, flows to outlet 32 after passage 24 is crossed by base plate 25 directed flow in base plate 25 back that touches atresia.The last hole 74 from the cover part 71 of engine housing of the oil that is cooled turns back to engine.The coolant of engine, for example water flow through the coolant passage (not shown) in the engine shell, and then enter in the housing 57 by entrance point.Coolant flows out the pipeline (not shown) that housing 57 enters the connection radiator by the coolant passage of engine housing.In the cyclic process of above-mentioned oil and coolant, flow through the oil of the passage 24 that is formed between the plate 21,22 and flow through the coolant that is formed at two passages 23 between the adjacency channel 24 and carry out heat exchange, between coolant and oil, realize the heat exchange that needs thus.
To carrying out various modification according to embodiment of the present utility model and change it will be apparent to those skilled in the art that.For example connector can be " I " shape.One end of connector can be positioned in the cavity, the other end can be bolted on a device or the equipment, perhaps is fixed on a device or the equipment in other known modes.This specification and example only are exemplary, and the real protection domain of the utility model is determined by appended claims and by doctrine of equivalents.
Claims (16)
1. heat exchanger device comprises:
Heat exchanger;
The cover plate of fixedlying connected with described heat exchanger; With
Connection Element, described Connection Element have second end that is positioned at first end in the cavity that is formed between described cover plate and the described heat exchanger and stretches out described cover plate.
2. heat exchanger device according to claim 1 is characterized in that, described cavity limits and forms by being formed at recess on described cover plate or the described heat exchanger and corresponding described heat exchanger or described cover plate; Perhaps described cavity by be formed at respectively recess on described cover plate and the described heat exchanger corresponding be connected to limit form.
3. heat exchanger device according to claim 1, it is characterized in that, also comprise the sealing plate that is arranged between described heat exchanger and the described cover plate, first end of wherein said Connection Element is positioned in the described cavity that is limited by described cover plate and described sealing plate.
4. heat exchanger device according to claim 3, it is characterized in that, described cavity limits and forms by being formed at recess on described cover plate or the described sealing plate and corresponding described sealing plate or described cover plate, and perhaps described cavity is connected to limit with recess correspondence on the described sealing plate and forms by being formed at described cover plate respectively.
5. heat exchanger device according to claim 1, it is characterized in that, wherein said Connection Element is a bolt, and the screw rod of described bolt is second end of described Connection Element, and the head of described bolt is first end that is positioned at the described Connection Element in the described cavity.
6. heat exchanger device according to claim 1 is characterized in that, wherein said heat exchanger and described cover plate are formed by first kind of materials processing, and described Connection Element is formed by the second kind of materials processing that is different from described first kind of material.
7. heat exchanger device according to claim 3, it is characterized in that, wherein said heat exchanger, described cover plate and described sealing plate are formed by first kind of materials processing, and described Connection Element is formed by the second kind of materials processing that is different from described first kind of material.
8. according to claim 6 or 7 described heat exchanger devices, it is characterized in that described first kind of material is aluminium, described second kind of material is steel.
9. a machinery has equipment and the heat exchanger device that is connected with described equipment, and described heat exchanger device comprises:
Heat exchanger;
The cover plate of fixedlying connected with described heat exchanger; With
Connection Element, described Connection Element have first end that is positioned in the cavity that is formed between described cover plate and the described heat exchanger, with second end that stretches out described cover plate and be connected with described equipment.
10. machinery according to claim 9 is characterized in that, described cavity limits and forms by being formed at recess on described cover plate or the described heat exchanger and corresponding described heat exchanger or described cover plate; Perhaps described cavity by be formed at respectively recess on described cover plate and the described heat exchanger corresponding be connected to limit form.
11. machinery according to claim 9 is characterized in that, also comprises the sealing plate that is arranged between described heat exchanger and the described cover plate, first end of wherein said Connection Element is positioned in the described cavity that is limited by described cover plate and described sealing plate.
12. machinery according to claim 11 is characterized in that, described cavity limits and forms by being formed at recess on described cover plate or the described sealing plate and corresponding described sealing plate or described cover plate; Perhaps described cavity by be formed at respectively recess on described cover plate and the described sealing plate corresponding be connected to limit form.
13. machinery according to claim 9 is characterized in that, wherein said Connection Element is a bolt, and the screw rod of described bolt is second end of described Connection Element, and the head of described bolt is first end that is positioned at the described Connection Element in the described cavity.
14. machinery according to claim 9 is characterized in that, wherein said heat exchanger and described cover plate are formed by first kind of materials processing, and described Connection Element is formed by the second kind of materials processing that is different from described first kind of material.
15. machinery according to claim 11 is characterized in that, wherein said heat exchanger, described cover plate and described sealing plate are formed by first kind of materials processing, and described Connection Element is formed by the second kind of materials processing that is different from described first kind of material.
16., it is characterized in that described first kind of material is aluminium according to claim 14 or 15 described machineries, described second kind of material is steel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201660268U CN201440047U (en) | 2009-07-23 | 2009-07-23 | Heat exchanger device and machine using same |
| PCT/CN2010/075427 WO2011009412A1 (en) | 2009-07-23 | 2010-07-23 | Heat exchanger assembly and machine using the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201660268U CN201440047U (en) | 2009-07-23 | 2009-07-23 | Heat exchanger device and machine using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440047U true CN201440047U (en) | 2010-04-21 |
Family
ID=42544712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201660268U Expired - Lifetime CN201440047U (en) | 2009-07-23 | 2009-07-23 | Heat exchanger device and machine using same |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201440047U (en) |
| WO (1) | WO2011009412A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011009412A1 (en) * | 2009-07-23 | 2011-01-27 | Caterpillar Inc. | Heat exchanger assembly and machine using the same |
| CN105466257A (en) * | 2016-01-12 | 2016-04-06 | 赵弘毅 | Efficient detachable all-welded plate type heat exchanger |
| CN105814388A (en) * | 2013-12-20 | 2016-07-27 | 阿尔法拉瓦尔股份有限公司 | Plate heat exchanger with mounting flange |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2979698B1 (en) * | 2011-09-01 | 2017-12-29 | Valeo Systemes Thermiques | HEAT EXCHANGER WITH ADAPTABLE FIXING DEVICE |
| DE102013002478A1 (en) * | 2013-02-13 | 2014-08-14 | Modine Manufacturing Company | Heat exchanger assembly for use in housing, particularly in suction pipe of internal combustion engine, has connection block extending fluid passages and is arranged on end plate |
| US9709342B2 (en) | 2013-02-13 | 2017-07-18 | Modine Manufacturing Company | Heat exchanger arrangement in a housing |
| EP2886995B1 (en) * | 2013-12-20 | 2017-03-08 | Alfa Laval Corporate AB | Plate heat exchanger with mounting flange |
| EP2886996B1 (en) * | 2013-12-20 | 2016-07-13 | Alfa Laval Corporate AB | Plate heat exchanger with mounting flange |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11236811A (en) * | 1998-02-20 | 1999-08-31 | Tennex Corp | Oil cooler for vehicle |
| JP3795250B2 (en) * | 1999-03-31 | 2006-07-12 | 株式会社マーレ フィルターシステムズ | Multi-plate oil cooler cooling element |
| CN201285244Y (en) * | 2008-10-21 | 2009-08-05 | 宁波路润冷却器制造有限公司 | Plate type finned oil cooler |
| CN201440047U (en) * | 2009-07-23 | 2010-04-21 | 卡特彼勒公司 | Heat exchanger device and machine using same |
-
2009
- 2009-07-23 CN CN2009201660268U patent/CN201440047U/en not_active Expired - Lifetime
-
2010
- 2010-07-23 WO PCT/CN2010/075427 patent/WO2011009412A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011009412A1 (en) * | 2009-07-23 | 2011-01-27 | Caterpillar Inc. | Heat exchanger assembly and machine using the same |
| CN105814388A (en) * | 2013-12-20 | 2016-07-27 | 阿尔法拉瓦尔股份有限公司 | Plate heat exchanger with mounting flange |
| CN105814388B (en) * | 2013-12-20 | 2019-03-19 | 阿尔法拉瓦尔股份有限公司 | Plate heat exchanger with mounting flange |
| US10260822B2 (en) | 2013-12-20 | 2019-04-16 | Alfa Laval Corporate Ab | Plate heat exchanger with mounting flange |
| CN105466257A (en) * | 2016-01-12 | 2016-04-06 | 赵弘毅 | Efficient detachable all-welded plate type heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011009412A1 (en) | 2011-01-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |