CN102933814A - Compact electricity generator set - Google Patents
Compact electricity generator set Download PDFInfo
- Publication number
- CN102933814A CN102933814A CN2011800194302A CN201180019430A CN102933814A CN 102933814 A CN102933814 A CN 102933814A CN 2011800194302 A CN2011800194302 A CN 2011800194302A CN 201180019430 A CN201180019430 A CN 201180019430A CN 102933814 A CN102933814 A CN 102933814A
- Authority
- CN
- China
- Prior art keywords
- generator
- lid
- alternator
- air
- heat engine
- 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.)
- Granted
Links
- 230000005611 electricity Effects 0.000 title abstract 2
- 230000009466 transformation Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract 4
- 230000002349 favourable effect Effects 0.000 description 10
- 230000008676 import Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005534 acoustic noise Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/12—Filtering, cooling, or silencing cooling-air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
- F02B63/044—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators the engine-generator unit being placed on a frame or in an housing
- F02B2063/045—Frames for generator-engine sets
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to an electricity generator set comprising a casing (10) extending in a longitudinal direction; a combustion engine (3) mounted on the casing (10); an alternator (2) mounted on the casing (10) and connected to the said combustion engine (3) in order to be able to convert the energy received from the combustion engine (3) into electrical energy; a control and connection housing (1) connected to said alternator; at least one air intake aperture (6; 7)allowing air into said casing (10), characterized in that it comprises at least one air diffuser (4; 5) mounted on a side wall of said casing (10) between an air inlet aperture (6; 7) and said combustion engine (3).
Description
Technical field
The present invention relates to a kind of generator that comprises motor, alternator and control unit.More particularly, the present invention relates to the compact type generator.
Background technique
Generator is the self-contained unit that allows to produce from heat engine electric energy.Therefore, generator be so that might overcome the fault of utility network, or might be to the electric installation supply electric power that is in the area that can not use utility network.
As know, a kind of generator comprises:
-framework,
-be installed in the heat engine on the framework,
-alternator, described alternator are installed on the framework and are connected to heat engine in order to the transformation of energy that receives from heat engine can be become electric energy,
-be connected to control and the linkage unit of alternator,
At least one suction port in the-lid is used for to the heat engine supplying power.
Suction port in the lid makes it possible to heat engine supply air.Yet the noise that this suction port allows heat engine and alternator to produce passes through.In addition, known, for the noise that the user awareness that limits this kind generator arrives, suction port is removed from motor.
Also known, as to perceive in order to limit domestic consumer noise is arranged in lid portion inside with what be arranged in length between suction port and heat engine or the alternator and coiling for air circuit.These loops are known as the sound insulation baffle sometimes.
One of major defect of this kind solution is the total volume of generator.In particular, the existence of the service duct of these length and coiling only can increase the total volume of generator except weak soundproof effect is provided.More particularly, wish motor from suction port as much as possible away from so that noise reduction disturbs.
In particular, the maximum noise level of forcing among the European instruction 2000/14/CE should not be denoted as the generator compatible with this instruction and surpass.
Therefore, at present, incompatible between compactedness and the acceptable noise level.
Summary of the invention
Therefore, this invention is intended to overcome at least some shortcomings of the generator of prior art.
In particular, at least one embodiment, this invention is intended to provide a kind of noise level with minimizing, especially compatible with European instruction 2000/14/CE compact type generator.
In at least one embodiment, the present invention also is intended to provide a kind of generator with vertical volume of minimizing.
In at least one embodiment, the present invention also is intended to provide a kind of compact type generator that allows easily near all component of generator.
In at least one embodiment, the present invention also is intended to provide a kind of compact type generator of acoustic noise reducing of therein alternator.
Explanation of the present invention
For this reason, the present invention relates to a kind of generator, described generator extends, has at least one suction port in a longitudinal direction, and is installed on the framework, and described generator has on described longitudinal direction successively:
-the lid that extends along the longitudinal direction,
-be installed in the heat engine on the framework,
-alternator, described alternator are installed on the framework and are connected to described heat engine in order to the transformation of energy that receives from heat engine can be become electric energy,
-control and linkage unit, described control and linkage unit are connected to alternator near described suction port,
Described generator is characterised in that, described generator comprises at least one air diffuser, described at least one air diffuser is installed on the sidewall of described lid and in fact and extends according to described longitudinal direction, so as in the vertical with air from the described suction port described heat engine that leads.
Therefore, can save the sound insulation inflector according to generator of the present invention, and therefore vertical volume is reduced.In particular, according to the present invention, described generator comprises at least one air diffuser on the sidewall that is arranged on described lid.This diffuser in fact flatly extends, and will guide motor into by the air that mouth is introduced along sidewall near the zone of fixing alternator.This be so that especially might limit noise turn back to suction port from motor, and the therefore noise that perceives of limited subscriber.This type of air diffuser is so that might mix with outside air being present in air in the lid (the especially air of the noise that produces of carrying motor).This type of air diffuser also can produce and disturb engine air to turn back to outside turbulent flow.
Owing to have advantages of in addition the total volume that does not increase generator, so the present invention being effective replacement scheme of heat insulation inflector.Therefore, according to generator of the present invention so that might be in harmonious proportion in principle mutually conflicting two requirements: the total volume of minimizing and acceptable noise level.
Described air diffuser be so that might be not only the supplementary thermal motor and the returning of limiting engine noise, but also so that might cool off alternator.
Lid according to generator of the present invention can be any type.For example, it can be parallelepiped basically and be made by metallic material.In due course, it can be through adjusting in order to can move by pulling on the ground or by means of fork truck, and/or be installed on the wheel in order to promote it to move.It can comprise one or more doors, thereby allows the inside near lid.
Favourable situation is, and according to the present invention, lid comprises at least one side door, thereby can approach the inside of described lid of the part of the described sidewall that forms described lid.
This type of side door helps the different assemblies near generator.In particular, this type of door is so that possible (for example) replaces the diode bridge of alternator.
According to favourable replacement scheme of the present invention, door is mounted on the lid, and it just can pivot 180 ° from the operating position to the open position like this, and wherein in operating position, it forbids the inside near lid, and at open position, it allows the inside near lid.
Favourable situation is, and according to the present invention, at least one side door has air diffuser.
Generator according to this replacement scheme has a door, and described door is reinforced naturally because of the existence of air diffuser, thereby makes described door more not fragile.
Generator according to the present invention comprises at least one suction port.This mouthful can be arranged in any point place of lid, so that air diffuser is arranged between mouth and the motor.
Favourable situation is, generator according to the present invention comprises two suction ports and two air diffusers, and wherein each air diffuser is mounted on the sidewall of lid between suction port and described motor.
Favourable situation is, and according to the present invention, each suction port is to be arranged on the sidewall of described lid.
According to favourable replacement scheme of the present invention, generator comprises that wherein each side door has an air diffuser be used to two side doors near lid portion inside.
This allows each side near described generator.
According to favourable replacement scheme of the present invention, at least one sidewall of each air diffuser is coated with puigging.Therefore, being coated with the noise that the diffuser wall of puigging especially makes alternator send can be absorbed.
According to favourable replacement scheme of the present invention, described side door has an air diffuser at the horizontal plane place that is arranged on alternator separately, and alternator self is to be arranged between control unit and the motor.
Favourable situation is, and according to the present invention, control unit, alternator and motor are to arrange along the longitudinal direction, and wherein control unit is to be to be affixed on the alternator.
This kind layout has the volume of minimizing.
Diffuser according to generator of the present invention can be any type.For example, it can comprise the oxygen diffusion groove, near the fin, grid etc. of the turbulization outlet of diffuser.
It can be made by extruded aluminum, PVC or any equivalent material.
According to favourable replacement scheme of the present invention, at least one air diffuser (being each air diffuser in particular) is linear air diffusers.
According to another particular aspects, generator can comprise at least one opening of the described alternator of some air guides that will introduce by at least one import.
The invention still further relates to a kind of generator, it is characterized in that the combination of all or some above-mentioned or following feature.
Description of drawings
In view of only for realizing following description that non-limiting purpose provides and referring to accompanying drawing, will know other targets of the present invention, feature and advantage, in the accompanying drawings:
-Fig. 1 is the top perspective sketch of generator according to an embodiment of the invention when upper plate is not shown,
-Fig. 2 is the top perspective sketch of the part of generator according to an embodiment of the invention,
-Fig. 3 is the schematic perspective view according to another embodiment's generator.
Embodiment
At Zhu Tuzhong, in order to carry out diagram and for the sake of clarity, not adhere rigidly to scale and ratio.
In the following detailed description of doing referring to Zhu Tusuo, unless indication is arranged in addition, each part of generator is described as arranging when generator is placed on the planar horizontal supporting element.This is arranged especially shown in Fig. 1 and Fig. 2.
As shown in Figure 1, generator according to the present invention comprises lid 10 or housing, and lid 10 extends along the longitudinal direction and is installed on the outstanding framework 11.Longitudinal direction is the principal direction of generator.According to the embodiment of all figure, generator has the substantially shape of parallelepiped, and longitudinal direction is the bearing of trend of this parallelepiped,, is parallel in fact the direction that forms vertical wall of lid in the described parallelepiped that is.
Generator also comprises the heat engine 3 that is installed on the framework 11.This motor can be any type.It can be Otto cycle, diesel cycle, Lang Ken circulation, Bradenton circulation, and the heat engine of any type substantially.
Generator according to the present invention also comprises: alternator 2, described alternator are installed on the framework 11 and are connected to heat engine 3; Control and linkage unit 1, described control and linkage unit make it possible to control alternator 2; And connector, described connector through providing in order to might connect electric installation on the generator.
According to the embodiment of all figure, lid 10 comprises a plurality of doors that allow to approach the different elements that is contained in lid 10 inside, and the horizontal plane place that is included in alternator 2 is arranged in respectively two side doors 8,9 on each sidewall of lid 10.
These doors the 8, the 9th are pivotably mounted on the lid 10, in order to can from the operating position to the open position, pivot about 180 ° (or even be a bit larger tham 180 °, wherein when door 8,9 closure, has the wall section of mouth not in the plane that door 8,9 limits), so that can touching, the operator is arranged in all component in the lid in order to guarantee maintenance to these assemblies, wherein in operating position, the gate inhibition is only near the inside of lid, in open position, door allows like a cork the inside near lid.
For example, owing to lacking inflector, therefore be easy to replace the diode bridge at control unit 1 rear side place.
According to the embodiment of all figure, lid 10 also comprises door 26,27, and door 26,27 is arranged on each sidewall of lid and allows near the zone that is holding motor 3 in the lid 10.
On each wall in these walls, lid 10 also comprises near the suction port 6,7 the vertical end that is arranged in the lid relative with heat engine 3.
Each import 6,7 is formed by a plurality of longitudinal holes stacked on top of each other 12.According to another embodiment, in the situation that can not change overall operation of the present invention, each mouthful can have different shapes and structure.
According to the embodiment of all figure, air diffuser 4,5 be installed in generator each the door 8,9 on (in other embodiments, air diffuser can be on the fixed wall at least in part, especially in the situation that only have a sidewall installed the door).
Each air diffuser 4,5 can be installed on the door by the means of any type.For example, according to an embodiment, diffuser is to be screwed on the door.According to another replacement scheme, diffuser is to join on the door.According to another replacement scheme, it is to be welded direct on the door.
The air diffuser 5 that is installed on the opposing sidewalls is preferably identical with air diffuser 4.
According to the preferred embodiment of all figure, lid comprises the air distribution channel related with each gas port, and described air distribution channel is arranged between described suction port and the corresponding air diffuser.
For example, for suction port 7, in this import 7 and be installed between the entrance of the air diffuser 5 of door on 9 passage 17 is set.This passage has been formed mouthfuls 7 covered body wall and has been formed by vertical baffle 18 by top, vertical baffle 18 is installed in the lid and substantially extends to form to entering the obstacle of air-flow, so that the direction of air-flow is towards the suction port deflection of air diffuser on the longitudinal direction.
Opening 171 (Fig. 1) can be arranged in passage 17 and/or the diffuser, so that with some air guide alternators.
According to one embodiment of present invention, on the sidewall in these sidewalls (for example, the sidewall that contacts with the superincumbent door of installation), each diffuser has puigging.
According to the embodiment of all figure, alternator 2, motor 3 and control unit are to arrange along the longitudinal direction.In addition, control and linkage unit 1 are to be affixed on the alternator 2.In particular, there is not the space waste between control unit 1 and the alternator 2.
Fig. 3 is total figure of generator according to another embodiment of the invention.
This illustrates near the door 21 of the vertical tail end that is arranged in lid 10 control and linkage unit 1.This is 21 so that might be near power socket and the switch of controlling these power sockets, and like this, the operator can connect electric installation.
The present invention has more than and is limited to described embodiment.For example, according to an alternative embodiment of the invention, each air diffuser also can be equiped with the fan that air-flow can be accelerated.In other words, the existence of this fan is not essential for realizing target of the present invention.
Claims (10)
1. a generator comprises lid (10), and described lid extends, has at least one suction port (6 along the longitudinal direction; 7) and be installed on the framework (11), described generator has on described longitudinal direction successively:
-be installed in the heat engine (3) on the described lid (10),
-alternator (2), described alternator (2) are installed in the described lid (10) and are connected to described heat engine (3) in order to the transformation of energy that receives from described heat engine (3) can be become electric energy,
-control and linkage unit (1), described control and linkage unit (1) are at described suction port (6; 7) be connected to described alternator near,
Described generator is characterised in that, described generator comprises at least one air diffuser (4; 5), described diffuser be installed on the sidewall of a described lid (10) and and extend at described longitudinal direction in fact so that in the vertical with air from described suction port (6; 7) the described heat engine (3) that leads.
2. generator according to claim 1 is characterized in that, described lid (10) comprises at least one side door (8; 9), be used for to approach form the inside of described lid (10) of a part of the sidewall of described lid (10).
3. generator according to claim 2 is characterized in that, at least one described side door (8,9) has an air diffuser (4,5).
4. the described generator of arbitrary claim in 3 according to claim 1, it is characterized in that, it comprises two suction ports (6,7) and two air diffusers (4,5), each described air diffuser (4,5) is mounted on the sidewall of described lid (10) between suction port (6,7) and described heat engine (3).
According to claim 2 with 4 described generators, it is characterized in that, described generator comprises two side doors (8,9), is used for the inside near described lid (10), each described side door (8,9) has an air diffuser (4,5).
6. according to claim 1 to the described generator of 5 any claims, it is characterized in that each suction port (6,7) places on the sidewall of described lid (10).
7. the described generator of arbitrary claim in 6 according to claim 1 is characterized in that, at least one sidewall of each air diffuser (4,5) is coated with puigging.
8. the described generator of arbitrary claim in 7 according to claim 1, it is characterized in that, described control and linkage unit (1), described alternator (2) and described heat engine (3) are to arrange along described longitudinal direction, and described control and linkage unit (1) are to be to be affixed on the described alternator (2).
9. the described generator of arbitrary claim in 8 according to claim 1 is characterized in that, each air diffuser (4,5) is linear air diffusers.
10. the described generator of arbitrary claim in 9 according to claim 1 is characterized in that, described generator comprises at least one opening (171), and described at least one opening (171) will be by described mouthful (6; The described alternator of some air guides (2) of at least one introducing 7).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1052937 | 2010-04-16 | ||
| FR1052937A FR2958973B1 (en) | 2010-04-16 | 2010-04-16 | COMPACT ELECTROGEN GROUP |
| PCT/EP2011/056059 WO2011128450A1 (en) | 2010-04-16 | 2011-04-15 | Compact electricity generator set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102933814A true CN102933814A (en) | 2013-02-13 |
| CN102933814B CN102933814B (en) | 2016-05-25 |
Family
ID=43414287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180019430.2A Active CN102933814B (en) | 2010-04-16 | 2011-04-15 | Compact generator |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2558695B1 (en) |
| CN (1) | CN102933814B (en) |
| FR (1) | FR2958973B1 (en) |
| WO (1) | WO2011128450A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2587221B (en) * | 2019-09-19 | 2021-10-27 | Caterpillar Ni Ltd | Generator set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4835405A (en) * | 1987-11-30 | 1989-05-30 | Onan Corporation | Generator set and method |
| JPH084531A (en) * | 1994-06-15 | 1996-01-09 | Mitsubishi Heavy Ind Ltd | Cooling air intaking structure of power generating device |
| JPH09203326A (en) * | 1996-01-25 | 1997-08-05 | Denyo Kk | Open / close door for large engine work machines |
| JP2001020740A (en) * | 1999-07-01 | 2001-01-23 | Denyo Co Ltd | Soundproof engine driven work machine |
| CN101403337A (en) * | 2008-09-28 | 2009-04-08 | 无锡开普动力有限公司 | Air inlet end shield of generator set |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2537052Y2 (en) * | 1991-07-29 | 1997-05-28 | 神鋼電機株式会社 | Cooling device for modular power generator |
| JP2000213369A (en) * | 1999-01-21 | 2000-08-02 | Meidensha Corp | Generating apparatus |
| US7107943B2 (en) * | 2004-09-15 | 2006-09-19 | Denko Kabushiki Kaisha | Engine-driven operating machine |
| US20060144637A1 (en) * | 2004-12-23 | 2006-07-06 | Ingersoll-Rand Company | Sound-attenuating enclosure with integral cooling ducts |
| CN102292530A (en) * | 2008-11-27 | 2011-12-21 | F.G.威尔逊（工程）有限公司 | Air inlet duct for a genset enclosure |
| JP4999125B2 (en) * | 2010-03-18 | 2012-08-15 | 北越工業株式会社 | Soundproof box for engine-driven work equipment |
-
2010
- 2010-04-16 FR FR1052937A patent/FR2958973B1/en not_active Expired - Fee Related
-
2011
- 2011-04-15 WO PCT/EP2011/056059 patent/WO2011128450A1/en active Application Filing
- 2011-04-15 CN CN201180019430.2A patent/CN102933814B/en active Active
- 2011-04-15 EP EP11714339.6A patent/EP2558695B1/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4835405A (en) * | 1987-11-30 | 1989-05-30 | Onan Corporation | Generator set and method |
| JPH084531A (en) * | 1994-06-15 | 1996-01-09 | Mitsubishi Heavy Ind Ltd | Cooling air intaking structure of power generating device |
| JPH09203326A (en) * | 1996-01-25 | 1997-08-05 | Denyo Kk | Open / close door for large engine work machines |
| JP2001020740A (en) * | 1999-07-01 | 2001-01-23 | Denyo Co Ltd | Soundproof engine driven work machine |
| CN101403337A (en) * | 2008-09-28 | 2009-04-08 | 无锡开普动力有限公司 | Air inlet end shield of generator set |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2558695A1 (en) | 2013-02-20 |
| CN102933814B (en) | 2016-05-25 |
| EP2558695B1 (en) | 2015-12-30 |
| FR2958973B1 (en) | 2015-09-04 |
| FR2958973A1 (en) | 2011-10-21 |
| WO2011128450A1 (en) | 2011-10-20 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |