JP2013519858A - Fuel supply system for pellet furnace - Google Patents
Fuel supply system for pellet furnace Download PDFInfo
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- JP2013519858A JP2013519858A JP2012552495A JP2012552495A JP2013519858A JP 2013519858 A JP2013519858 A JP 2013519858A JP 2012552495 A JP2012552495 A JP 2012552495A JP 2012552495 A JP2012552495 A JP 2012552495A JP 2013519858 A JP2013519858 A JP 2013519858A
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- 239000000446 fuel Substances 0.000 title claims abstract description 77
- 239000008188 pellet Substances 0.000 title claims abstract description 69
- 238000002485 combustion reaction Methods 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 240000008042 Zea mays Species 0.000 description 1
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 235000005822 corn Nutrition 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
- F24B13/00—Details solely applicable to stoves or ranges burning solid fuels
- F24B13/04—Arrangements for feeding solid fuel, e.g. hoppers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
- F23B50/12—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
- Solid-Fuel Combustion (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
【課題】ケース内に搬送手段を含むペレット炉用の燃料供給システム。
【解決手段】前記ケースはケースに沿って長手方向に分布される複数の入り口手段と、ケースに沿って長手方向に分布される複数の出口手段とを含み、各入り口手段は隣接する出口手段から水平方向にオフセットされ、前記搬送手段は、入り口手段から隣接する出口手段へ圧縮燃料ペレットを移動させるように構成され、使用時に、前記燃料供給システムは、ペレット炉の燃焼ポット内で圧縮燃料ペレットの複数の重畳する山を形成するように構成されることを特徴とする。
【選択図】図1A fuel supply system for a pellet furnace including a conveying means in a case.
The case includes a plurality of inlet means distributed in the longitudinal direction along the case, and a plurality of outlet means distributed in the longitudinal direction along the case, each inlet means from an adjacent outlet means. Horizontally offset, the conveying means is configured to move the compressed fuel pellets from an inlet means to an adjacent outlet means, and in use, the fuel supply system is configured to transfer compressed fuel pellets within a combustion pot of a pellet furnace. A plurality of overlapping peaks are formed.
[Selection] Figure 1
Description
本発明は、ペレット炉用の燃料供給システムである。 The present invention is a fuel supply system for a pellet furnace.
本明細書を通して従来技術に関するいずれの論議も、この種の従来技術は広く知られ、またはこの分野で共通の一般的知識の一部を形成することを認めているわけではない。 Any discussion of the prior art throughout this specification is not an admission that this type of prior art is widely known or forms part of the common general knowledge in the field.
ペレット炉は、より一般的なものになりつつあり、それらは可燃材料の圧縮ペレットを燃焼させ、通常、トウモロコシ、穀物以外に、木材やその他の材料が使用される。ペレットは一様な寸法範囲と成分を有し、そのためそれらの燃焼は自然の木材または石炭より予想しやすい。 Pellet furnaces are becoming more common, they burn compressed pellets of combustible material, and usually wood and other materials are used in addition to corn and grains. The pellets have a uniform size range and composition, so their combustion is more predictable than natural wood or coal.
ペレット炉は燃料を貯蔵ホッパから燃焼箱へ自動的に供給する。ペレット炉は燃焼ポットへの燃料の供給方法により、上部供給又は底部供給に分類される。 The pellet furnace automatically supplies fuel from the storage hopper to the combustion box. Pellet furnaces are classified as top feed or bottom feed depending on how the fuel is supplied to the combustion pot.
底部供給ペレット炉において、その長さの少なくとも一部に対して、通常燃焼ポットのベースにある水平螺旋錐は、ペレットをホッパから燃焼ポットへ供給し、他端から灰を放出する。もし電源故障が起こると、炉の燃焼が燃料で満杯のホッパへ逆流することを防止することは困難になる。螺旋錐は炉の全熱量及び研磨性および/または腐食性の灰、及び燃焼生成物に曝される。しかし、それらはより広く露出した火炎前面を有する傾向があるので、審美的に多くの人は底部供給ペレット炉を好む。 In the bottom feed pellet furnace, for at least part of its length, a horizontal spiral cone, usually at the base of the combustion pot, supplies pellets from the hopper to the combustion pot and discharges ash from the other end. If a power failure occurs, it will be difficult to prevent the furnace combustion from flowing back to the fuel-filled hopper. The helical cone is exposed to the total heat of the furnace and to the abrasive and / or corrosive ash and combustion products. However, aesthetically many prefer the bottom feed pellet furnace because they tend to have a more widely exposed flame front.
上部供給ペレット炉において、傾斜した螺旋錐はホッパベースからペレットを上昇させ、それらを燃焼ポット上へ放出する。ペレットは、次に燃焼ポットへ重力供給され、最初にしばしば傾斜したプレート上へ落下する。この供給は単一チューブ又はシュートから行われ、これが燃焼ポット内にペレットの単一の山を形成し、これをある人は底部供給より審美的にあまり魅力的でないフレームを生成すると感じる。重力供給セクションは燃焼のホッパへの逆流の機会を最小化する。 In the upper feed pellet furnace, the inclined spiral cone raises the pellets from the hopper base and discharges them onto the combustion pot. The pellets are then gravity fed into the combustion pot and first fall often onto a tilted plate. This feed is made from a single tube or chute, which forms a single pile of pellets in the combustion pot, which one feels produces a frame that is less aesthetically appealing than the bottom feed. The gravity supply section minimizes the chance of backflow into the combustion hopper.
現状のシステムの1つ以上の制限を緩和し、または消費者に有益な選択を提供するペレット炉用の燃焼供給システムを提供することが、好ましくは本発明の目的である。 It is preferably an object of the present invention to provide a combustion supply system for a pellet furnace that relaxes one or more of the limitations of current systems or provides consumers with a beneficial choice.
本発明は、ケース内に搬送手段を含むペレット炉用の燃料供給システムを提供し、前記ケースは、ケースに沿って長手方向に分布される複数の入り口手段と、ケースに沿って長手方向に分布される複数の出口手段とを含み、各入り口手段は隣接する出口手段から水平方向にオフセットされ、前記搬送手段は、圧縮燃料ペレットを入り口手段から隣接する出口手段へ移動させるように構成され、使用時に燃料供給システムはペレット炉の燃焼ポット内に圧縮燃料ペレットの複数の重畳する山を形成するように構成される。 The present invention provides a fuel supply system for a pellet furnace including a conveying means in a case, wherein the case is distributed in a longitudinal direction along the case with a plurality of inlet means distributed in the longitudinal direction along the case. A plurality of outlet means, each inlet means being horizontally offset from an adjacent outlet means, and the conveying means is configured and used to move compressed fuel pellets from the inlet means to the adjacent outlet means Sometimes the fuel supply system is configured to form multiple overlapping peaks of compressed fuel pellets in the combustion pot of the pellet furnace.
好ましくは、ケースと燃焼ポットの長手方向軸は概ね平行である。 Preferably, the longitudinal axis of the case and the combustion pot is generally parallel.
好ましくは、前記入り口手段および/または出口手段は、ケース内の開口である。非常に好適な形態で、搬送手段は1つ以上の同心状に配列された螺旋錐である。最も好適な形態で、搬送手段は単一の螺旋錐である。 Preferably, the inlet means and / or the outlet means are openings in the case. In a highly preferred form, the conveying means is one or more concentrically arranged helical cones. In the most preferred form, the conveying means is a single spiral cone.
好ましくは、ケースは単一材料ではない。一好適形態で、ケースはペレット炉の一部により、又は燃料燃焼供給システム単独で、付加的な分離された構成要素と結合して形成される。 Preferably, the case is not a single material. In one preferred form, the case is formed by a part of a pellet furnace or by a fuel combustion supply system alone, combined with additional separated components.
好適な形態で、燃料供給システムは、各出口手段が関係する供給ダクトまたはチャネルの一端を形成するように、複数の供給ダクトおよび/またはチャネルを含み、各前記供給ダクトまたはチャネルの対向端に圧縮燃料ペレットを燃焼ポットへ直接または間接的に供給するように構成される供給出口がある。好ましくは、燃料供給システムは供給出口と燃焼ポットの間にある分配セクションを含む。非常に好適な形態で、分配セクションは供給出口と燃焼ポットを垂直および/または水平に分離させる折り曲げられたプレートである。 In a preferred form, the fuel supply system includes a plurality of supply ducts and / or channels such that each outlet means forms one end of the supply duct or channel with which it is associated, compressed to the opposite end of each said supply duct or channel. There is a feed outlet configured to feed fuel pellets directly or indirectly to the combustion pot. Preferably, the fuel supply system includes a distribution section located between the supply outlet and the combustion pot. In a highly preferred form, the distribution section is a folded plate that separates the feed outlet and the combustion pot vertically and / or horizontally.
好ましくは、燃料供給システムは、供給ダクトおよび/またはチャネルを含まない場合、それは出口手段と燃焼ポットの間にある一次分配セクションを含む。非常に好適な形態で、一次分配セクションは、出口手段および/または燃焼ポットを垂直および/または水平に分離する折り曲げられたプレートである。 Preferably, if the fuel supply system does not include a supply duct and / or channel, it includes a primary distribution section located between the outlet means and the combustion pot. In a highly preferred form, the primary distribution section is a folded plate that separates the outlet means and / or the combustion pot vertically and / or horizontally.
本発明は、燃料供給システムを内蔵するペレット炉も含む。 The present invention also includes a pellet furnace incorporating a fuel supply system.
好ましくは、圧縮燃料ペレットを貯蔵するように構成されるホッパを含み、ペレット炉はホッパ出口が燃料供給システムに隣接する。非常に好適は形態で、ケースは基本的にホッパ出口を水平に跨ぐ。 Preferably, it includes a hopper configured to store compressed fuel pellets, the pellet furnace having a hopper outlet adjacent to the fuel supply system. In a very preferred form, the case basically straddles the hopper outlet horizontally.
更に好適な形態で、燃料供給システムは、各々が少なくとも1つの搬送手段を備え、分離されたまたは隣接した複数のケースを含む。 In a further preferred form, the fuel supply system comprises a plurality of separate or adjacent cases, each comprising at least one transport means.
ほんの一例として、本発明の好適実施例が付属図面を参照して以下に詳細に記載される。 By way of example only, a preferred embodiment of the present invention is described in detail below with reference to the accompanying drawings.
図1を参照して、第1サブアセンブリ(2)を含むペレット炉(1)の断面図が示される。前記第1サブアセンブリ(2)はホッパ(3)、燃料供給システム(4)及び燃焼ポット(5)を含み、ホッパ(3)は既知タイプの圧縮燃料ペレット用の貯蔵容器である。ホッパ(3)は燃料供給システム(4)へ接続され、これが次に燃焼ポット(5)へ接続される。 Referring to FIG. 1, a cross-sectional view of a pellet furnace (1) including a first subassembly (2) is shown. Said first subassembly (2) comprises a hopper (3), a fuel supply system (4) and a combustion pot (5), which is a storage container for a known type of compressed fuel pellets. The hopper (3) is connected to the fuel supply system (4), which in turn is connected to the combustion pot (5).
燃焼ポット(5)は、ペレット炉(1)の使用中は、火格子として作用する開口付きベース(7)を備えるチャネル(6)を含む既知タイプである。チャネル(6)又は燃焼ポット(5)の他の表面も開口を有するが、これはオプションであり、図面には表示されていない。図2〜5を参照して、第1サブアセンブリ(2)が明確化のためにペレット炉(1)から取り外されて表示される。図2〜4は圧縮燃料ペレットのない第1サブアセンブリ(2)を示す。 The combustion pot (5) is a known type comprising a channel (6) with an open base (7) that acts as a grate during use of the pellet furnace (1). Other surfaces of the channel (6) or combustion pot (5) also have openings, but this is optional and not shown in the drawing. 2-5, the first subassembly (2) is shown removed from the pellet furnace (1) for clarity. Figures 2-4 show the first subassembly (2) without compressed fuel pellets.
図2〜4を参照して、図4は図2に示される矢印A−A方向の断面図であり、第2サブアセンブリ(10)を含む燃料供給システム(4)が示される。第2サブアセンブリ(10)は、搬送手段(11)、複数の入り口手段(12)、および複数の出口手段(13)を含む。各入り口手段(12)は第1遮蔽手段(14)により隣接する入り口手段(12)から分離され、各出口手段(13)は第2遮蔽手段(15)により隣接する出口手段(13)から分離される。 2 to 4, FIG. 4 is a cross-sectional view in the direction of arrow AA shown in FIG. 2, and shows the fuel supply system (4) including the second subassembly (10). The second subassembly (10) includes conveying means (11), a plurality of inlet means (12), and a plurality of outlet means (13). Each inlet means (12) is separated from the adjacent inlet means (12) by the first shielding means (14), and each outlet means (13) is separated from the adjacent outlet means (13) by the second shielding means (15). Is done.
搬送手段(11)は、基本的にホッパ(3)のベースを概ね水平(ある実施例では折り曲げられているが)に跨ぐ既知タイプの螺旋錐である。第1及び第2の遮蔽手段(14,15)は、その中に搬送手段(11)が設置されるケース(16)を形成し、入り口と出口の手段(12,13)はこのケース(16)内の開口である。各入り口手段(12)はケース(16)の長さに沿って最も近い出口手段(13)から水平方向にオフセットされる。 The transport means (11) is basically a known type of spiral cone that straddles the base of the hopper (3) generally horizontally (although it is folded in some embodiments). The first and second shielding means (14, 15) form a case (16) in which the conveying means (11) is installed, and the inlet and outlet means (12, 13) are the case (16). ) In the opening. Each inlet means (12) is offset horizontally from the nearest outlet means (13) along the length of the case (16).
第1サブアセンブリ(2)は、さらに複数の供給手段(20)及び供給出口(21)と、分配セクション(22)を含む。各供給手段(20)は、一端としての出口手段(13)と反対側の他端としての供給出口(21)とを有するダクトである。各供給手段(20)は、供給出口(21)が関係する出口手段(13)から垂直に分離されるように折り曲げられる。語句“ダクト”はたとえ断面形状が一端から多端へ変化しても、何らかの断面形状を備える中空角柱を含むことを意図する。 The first subassembly (2) further includes a plurality of supply means (20) and supply outlets (21) and a distribution section (22). Each supply means (20) is a duct having an outlet means (13) as one end and a supply outlet (21) as the other end on the opposite side. Each supply means (20) is bent so that the supply outlet (21) is vertically separated from the associated outlet means (13). The phrase “duct” is intended to include hollow prisms with some cross-sectional shape even if the cross-sectional shape changes from one end to multiple ends.
各供給出口(21)は、燃焼ポット(5)へ接続される分配セクション(22)の上に位置する。分配セクション(22)はチャネル(6)の長手方向に伸びる折り曲げられたプレートである。 Each supply outlet (21) is located above a distribution section (22) connected to the combustion pot (5). The distribution section (22) is a folded plate extending in the longitudinal direction of the channel (6).
図5を参照して、圧縮燃料ペレットを含む第1サブアセンブリ(2)が示される。燃料供給システム(4)は、使用時に複数の重畳するペレットの山(30)が燃焼ポット(5)内に広い火炎前面を形成するように、これらの重畳する山を生成する。 With reference to FIG. 5, a first subassembly (2) comprising compressed fuel pellets is shown. The fuel supply system (4) produces these overlapping ridges such that, when in use, the plurality of overlapping pellet ridges (30) form a wide flame front in the combustion pot (5).
ほんの一例として、使用中のペレット(1)を備える第1サブアセンブリを通る圧縮燃料ペレットの流れについて記載される。 By way of example only, the flow of compressed fuel pellets through a first subassembly comprising pellets (1) in use will be described.
ホッパ(3)内の圧縮燃料ペレットは、入り口手段(12)を通って落下し、又はそれを通して引き出される。搬送手段(11)は、次にこれらの圧縮燃料ペレットを水平方向にオフセットされた隣接する出口手段(13)へ移動させる。圧縮燃料ペレットは、次にその出口手段(13)に関連する供給手段(20)を通って移動し、関連する供給出口(21)から出る。圧縮燃料ペレットは、次に分配セクション(22)上へ落下し、チャネル(6)へ重力供給される。各供給出口(21)は、圧縮燃料ペレットを分離された、しかし重畳する燃料用ペレットの山(30)へ移動させる。 The compressed fuel pellets in the hopper (3) fall through the inlet means (12) or are drawn through it. The conveying means (11) then moves these compressed fuel pellets to the adjacent outlet means (13) offset in the horizontal direction. The compressed fuel pellets then travel through the supply means (20) associated with the outlet means (13) and exit from the associated supply outlet (21). The compressed fuel pellet then falls onto the distribution section (22) and is gravity fed into the channel (6). Each feed outlet (21) moves the compressed fuel pellets to a separated but overlapping pile of fuel pellets (30).
各入り口手段(21)は、各隣接する出口手段(13)から水平方向にオフセットされているので、燃料供給システム(4)を通る圧縮燃料ペレットの重量/容量を制御することができる。換言すると、圧縮燃料ペレットは入り口手段(12)から出口手段(13)へ直接落下することができず、それらは搬送手段(11)により、交互に物理的に移動されなければならない。この隣接する入り口と出口の手段(12,13)の水平分離は、圧縮燃料ペレットがホッパ(3)から燃焼ポット(5)へ直接供給されることを防止する。もし搬送手段(11)が停止すると、圧縮燃料ペレット流は基本的に同時に停止する。 Each inlet means (21) is offset horizontally from each adjacent outlet means (13) so that the weight / volume of compressed fuel pellets through the fuel supply system (4) can be controlled. In other words, the compressed fuel pellets cannot fall directly from the inlet means (12) to the outlet means (13) and they must be physically moved alternately by the conveying means (11). This horizontal separation of adjacent inlet and outlet means (12, 13) prevents compressed fuel pellets from being fed directly from the hopper (3) to the combustion pot (5). If the conveying means (11) stops, the compressed fuel pellet flow basically stops at the same time.
更なる実施例で、燃料供給システム(4)は燃焼ポット(5)へ直接接続されていない。この実施例で、燃料ペレットは燃焼供給システム(4)から燃焼ポット(5)へ落下する。 In a further embodiment, the fuel supply system (4) is not directly connected to the combustion pot (5). In this embodiment, fuel pellets fall from the combustion supply system (4) to the combustion pot (5).
更なる実施例(表示なし)で、分配セクション(22)は存在しないため、使用時に圧縮燃料ペレットは、各供給出口(21)から燃焼ポット(5)へ直接落下する。 In a further embodiment (not shown), there is no distribution section (22), so in use, compressed fuel pellets fall directly from each supply outlet (21) to the combustion pot (5).
更なる実施例で、第2サブアセンブリ(10)はホッパ(3)ベースに存在しない。 In a further embodiment, the second subassembly (10) is not present in the hopper (3) base.
更なる実施例で、搬送手段(11)は、各々が別々に駆動できる複数の螺旋錐である。 In a further embodiment, the transport means (11) is a plurality of helical cones, each of which can be driven separately.
更なる実施例で、同心状に位置決めされるかまたはされない2つ以上の螺旋錐がある。例えば(表示なし)、それらは水平又は垂直分離で、並列である。 In a further embodiment, there are two or more spiral cones that are or are not concentrically positioned. For example (no display) they are horizontal or vertical separations and are in parallel.
一実施例(表示なし)で、各々がケース(16)から分離され、またはこれに隣接する1つ以上の付加ケースがある。これらの付加ケースの各々は、それらが水平に分離された付加入口および/または出口の手段を含み、且つ1つ以上の付加搬送手段を収容することにおいてケース(16)に類似する。例えば、単一ケース内に2つの平行な螺旋錐があり、各々が分離され又は組み合わせで複数の重畳するペレットの山(30)を生成するように構成される、2つの分離されたケース内に2つの付加搬送手段がある。 In one embodiment (not shown), there are one or more additional cases, each separated from or adjacent to case (16). Each of these additional cases is similar to case (16) in that they include means for additional inlets and / or outlets that are horizontally separated and contain one or more additional conveying means. For example, in two separate cases, where there are two parallel spiral cones in a single case, each configured to produce multiple overlapping pellet piles (30) that are separated or combined. There are two additional transport means.
更なる実施例(表示なし)で、搬送手段(11)はケース(16)内に設置されず、ケース(16)は空洞である。 In a further embodiment (not shown), the transport means (11) is not installed in the case (16) and the case (16) is hollow.
1:ペレット炉
2:第1サブアセンブリ
3:ホッパ
4:燃料供給システム
5:燃焼ポット
6:チャネル
7:開口付きベース
10:第2サブアセンブリ
11:搬送手段
12:入り口手段
13:出口手段
14:第1遮蔽手段
15:第2遮蔽手段
16:ケース
20:供給手段
21:供給出口
22:分配セクション
30:重畳するペレットの山
1: Pellet furnace 2: First subassembly 3: Hopper 4: Fuel supply system 5: Combustion pot 6: Channel 7: Open base 10: Second subassembly 11: Conveying means 12: Inlet means 13: Outlet means 14: First shielding means 15: Second shielding means 16: Case 20: Supply means 21: Supply outlet 22: Distribution section 30: Pile of overlapping pellets
Claims (17)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ578968 | 2010-02-10 | ||
NZ578968A NZ578968A (en) | 2010-02-10 | 2010-02-10 | Fuel feed system for a pellet fire |
PCT/IB2011/050405 WO2011098932A1 (en) | 2010-02-10 | 2011-01-31 | Fuel feed system for a pellet fire |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013519858A true JP2013519858A (en) | 2013-05-30 |
JP5780436B2 JP5780436B2 (en) | 2015-09-16 |
Family
ID=43901733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012552495A Expired - Fee Related JP5780436B2 (en) | 2010-02-10 | 2011-01-31 | Fuel supply system for pellet furnace |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2534423B1 (en) |
JP (1) | JP5780436B2 (en) |
AU (1) | AU2011213993B2 (en) |
HU (1) | HUE046137T2 (en) |
NZ (1) | NZ578968A (en) |
WO (1) | WO2011098932A1 (en) |
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Also Published As
Publication number | Publication date |
---|---|
AU2011213993B2 (en) | 2014-11-06 |
HUE046137T2 (en) | 2020-02-28 |
JP5780436B2 (en) | 2015-09-16 |
EP2534423B1 (en) | 2019-06-12 |
EP2534423A1 (en) | 2012-12-19 |
NZ578968A (en) | 2011-03-31 |
WO2011098932A1 (en) | 2011-08-18 |
AU2011213993A1 (en) | 2012-08-30 |
EP2534423A4 (en) | 2017-11-22 |
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