WO2009106377A1 - Geteiltes turbomaschinengehäuse mit optimierten teilfugenflanschen - Google Patents
Geteiltes turbomaschinengehäuse mit optimierten teilfugenflanschen Download PDFInfo
- Publication number
- WO2009106377A1 WO2009106377A1 PCT/EP2009/050355 EP2009050355W WO2009106377A1 WO 2009106377 A1 WO2009106377 A1 WO 2009106377A1 EP 2009050355 W EP2009050355 W EP 2009050355W WO 2009106377 A1 WO2009106377 A1 WO 2009106377A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parting
- housing
- joint
- parting line
- turbomachinery
- 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.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/26—Double casings; Measures against temperature strain in casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
- F01D25/243—Flange connections; Bolting arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/55—Seals
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
- F05D2260/36—Retaining components in desired mutual position by a form fit connection, e.g. by interlocking
Definitions
- the invention relates to a turbomachinery housing with a parting line, wherein the turbomachinery housing has a small part gap leakage at the parting line.
- a turbomachine for example a gas turbine, has a housing that is designed to be horizontally and / or vertically split for reasons of mounting the gas turbine.
- the divided gas turbine housing has, for example, an upper part and a lower part, which are assembled to form a parting line.
- FIG. 8 shows in cross-section the region of the parting line of a known turbine engine housing 101.
- the turbomachine housing 101 has an upper part 102 and a lower part
- the turbomachine housing 101 is generally pressurized, so that a higher gas pressure prevails on the inside 105 of the turbomachine housing 101, compared with the outside 106.
- a flange hole 109 is provided, through which a parting screw bolt 110 is inserted.
- the partial joint screw bolt 110 protrudes respectively from the upper flange 107 and the lower flange 108, wherein the partial joint screw bolt 110 has in each case a threaded section 111 on its outer regions.
- a nut 113 is screwed with a washer 114, so that with the screw connection produced thereby, the upper flange 107 and the lower flange 108 are pressed against each other.
- the force flow occurring in the upper part 102, the lower part 103, the part-joint screw bolt 110, the nuts 113 and the washers 114 is shown schematically by arrows 115.
- parting line 104 It is desirable for the parting line 104 to be as gas-tight as possible so that the gas leakage from the inside 105 to the outside 106 occurring during the operation of the turbomachine by the parting line 104 is as small as possible.
- the reason for the gas leakage is in particular the time-delayed and non-uniform heating of the flanges 107, 108 together with the part-joint screw bolt 110, with the nuts 113 and the washers 114 in the transient operation of the turbomachine.
- the partial joint screw bolt 110 is affected by the delayed heating since, due to its design, it is generally positioned far away from the location of the heat input and can only be heated by small contact surfaces on the threaded sections 111.
- the gas leakage in the region of the turbomachine housing 101, at which a plurality of parting lines 104 intersect, is great.
- the wall thickness of the turbomachine housing 101 is particularly large for each parting line 104, so that large temperature differences can occur in the material in the intersection region during startup of the turbomachine.
- no optimal screw connection density can be provided by the partial joint screw bolts 110 due to screw collisions. Therefore, the crossing area is characterized by particularly high rates of gas leakage.
- the turbomachinery housing 101 in the region of the parting line 104 the power flow 115, which is asymmetrical.
- the partial joint screw bolt 110 undergoes a bending stress in addition to pure tensile forces during cold start, which reinforces the unequal thermal expansion in the region of the parting line 104.
- a correspondingly stable design of the screw and a correspondingly thick design of the upper flange 107 and the lower flange 108 is provided.
- EP 1 707 759 A2 a housing for a turbomachine with two adjoining housing shells is known.
- a positive connection by means of a bridge which clamps the two shells together, provided on the outside of the housing.
- DE 1 160 701 discloses a connection of housing parts of a high-pressure vessels, which in addition to a conventional outer Flanschverschraubung has a stapling with wedge suit on the inside of the housing.
- the object of the invention is to provide a turbomachinery housing with a parting line, wherein the turbomachinery housing has a low gas leakage at the parting line.
- the turbomachine housing according to the invention with a parting line has a first housing part with a first parting line bead formed on the parting line, a second housing part with a second parting line formed on the parting line. bead and a plurality of part joint clips, wherein the first parting bead are embraced together with the second parting bead of the part joint brackets, so that the first and the second housing part are held together by the parting joint brackets by means of a positive connection at the Generalfugenwggsten.
- the wall thickness distribution of the turbomachine housing is uniform, whereby a transient heating of the turbomachine housing, especially when starting the turbomachine, is more uniform and faster.
- only weak temperature gradients occur in the material of the turbomachine housing, which in particular lead to no or a weak fault in the area of the parting line of the turbomachine housing. Since large distortions could lead to gas leakage of the turbomachine housing, it is inventively achieved that the turbomachinery housing in the parting line area has a low leakage rate.
- the turbomachine housing according to the invention has a low weight, which results in low material costs during manufacture.
- fast starting gradients can be run with the turbomachine without leaks occurring in the parting joint area on the turbomachine housing according to the invention.
- each parting bead extends both in and out of the turbomachine housing and each parting bracket has an inner part and an outer part, the inner part engages the inner portions of the parting beads and the outer part engages the outer portions of the parting beads.
- the part-joint bracket has a single inner part and a single outer part, or a single inner part and a plurality of outer parts, or a plurality of inner parts and a single outer part.
- the turbomachine housing at least one parting hole and the Operafugen genklammer has at least one holding means which extends through the parting hole and through both with the inner part and is attached to the outer part, so that the inner part and the outer part are held by the holding means to the Generalfugenwülste and cooperate with them so form-fitting manner that the housing parts are pressed together at the parting line of the parting joint clamp.
- a bead flank is provided on the inner and on the outer portions of the Colourfugenwülste and the inner part with the inner Wulstflanken cooperating clamp edges and the outer part with the outer Wulstflanken cooperating clamp edges, wherein the bead flanks and the clamp edges are arranged inclined in that, when the inner part and the outer part are held together by the retaining means, the part-joint beads are compressed by the part-joint clip.
- the holding means on a retaining screw which is arranged plugged through the parting hole and with the inner part and the outer part in each case forms a screw connection.
- the holding means has a screw pattern, wherein the retaining screw is screwed into a threaded hole of the inner part and is inserted through a through-hole of the outer part and is screwed by means of the nut from outside of the turbomachine housing.
- the nut is easily accessible from outside the turbomachine housing, wherein the mounting of the parting joint clamp is easy and fast accomplished.
- a washer is arranged between the nut and the outer part.
- the tightening force of the nut is preferably evenly distributed to the outer part.
- a seal between the inner part and the inner sections of the part-joint beads. is provided, so that the interior of the turbomachine housing is sealed to the outside.
- turbomachinery housing has a leakage at the parting line.
- the parting line is a horizontal parting joint and preferably the parting joint clip is arranged to hold the horizontal parting joint together.
- the parting line is preferably a vertical parting joint
- the parting-up clip is preferably configured to hold the vertical parting joint together.
- the horizontal parting line and the vertical parting line intersect and at the intersecting point, there is provided a cross-membered joint bracket integrally formed by two parting-joint brackets provided inside and outside opposite each other at the crossing point and two for the vertical-parting-joint provided part joint brackets, which are arranged opposite each other at the crossing point.
- the vertical parting joint and the horizontal parting joint of the cross-part joint clamp are effectively and tightly held together at the intersection.
- the wall thicknesses of the turbomachinery housing in the region of the crossing point are not excessively strong, so that the turbomachinery housing can be rapidly heated, in particular in the area of the crossing point.
- a turbomachinery housing it is advantageously possible for a turbomachinery housing to be provided on the horizontal parting joint and on the vertical parting joint, for example with a conventional parting joint. is provided, wherein in the region of the crossing point, the cross-member joint clip according to the invention is provided.
- the cross-member joint clip according to the invention it is possible to use both the conventional part-joint connection and the cross-part joint clip according to the invention on the turbomachinery housing.
- FIG. 1 shows a cross section through a turbomachinery housing in the region of a parting line
- FIGS. 2 to 7 show a perspective view of the turbomachine housing in the region of the horizontal parting joint, a vertical parting joint and in the area of the parting joint intersection and FIGS. 2 to 7
- FIG. 8 shows a cross section through a conventional turbomachinery housing in the region of a parting line.
- a turbomachine housing 1 has a first housing part 2, a second housing part 3, a third housing part 4 and a fourth housing part 5.
- the first housing part 2 and the third housing part 4 form, seen in FIGS. 2 to 5, the upper housing half of the turbomachine housing 1 and the second housing part 3 and the fourth housing part 5, seen in FIGS. 2 to 5, the lower housing half the turbomachinery housing 1, wherein the first housing part 2 and the second housing part 3 together with the third housing part 4 and the fourth housing part 5 form a horizontal parting line 7.
- the turbomachinery housing 1 has a vertical parting line 6, which is formed by the first housing part 2 and the third housing part 4 together with the second housing part 3 and the fourth housing part 5.
- the vertical parting joint 6 and the horizontal Parting joint 7 intersect.
- the vertical parting line 6 is held together by a plurality of vertical parting-joint clamps 8 and the horizontal parting line 7 is held together by a plurality of horizontal part-jointing clamps 9.
- the vertical part joint clips 8 are arranged next to one another in a row along the vertical part joint 6 and the horizontal part joint clips 9 are arranged side by side in a row along the horizontal part joint 7.
- a cross-part joint clip 10 is provided.
- the first housing part 2 has at the vertical parting line 6 a first parting line 11 and in the region of the horizontal parting line 7 a third parting line 13.
- a second Operafugenwulst 12 and at the horizontal parting line 7, a fifth Operafugenwulst 15 is formed on the second housing part 3 at the vertical parting line 6.
- the third housing part 4 and the fourth housing part 5 are provided with Sectionfugenwüls- th, wherein the third housing part 4 at the horizontal part 7 a fourth Operafugenwulst 14 and the horizontal parting line 6 a seventh Sectionfugenwulst 17 and the fourth housing part 5 at the vertical parting line 6 a eighth Operafugenwulst 18 and at the horizontal parting 7 a sixth Partfugenwulst 16 has.
- Each Sectionfugenwulst 11 to 18 in this case comprises a protruding from the outer surface of the corresponding housing part and a region protruding from the inner surface.
- the part-joint brackets 8, 9, 10 each have an inner part 19 and an outer part 20, wherein the inner part engages around the inside of the turbomachinery housing 1 portion of the Operafugenwülste positive and the outer part 20 the outside of the turbomachinery housing 1 lying areas of the parting beads engages positively.
- each parting line 6, 7 has a part-joint hole 23, which is provided centrally on the parting line 6, 7. In alignment with the parting hole 23 is the turbo machine housing 1 facing in the inner part 19, a threaded hole 21 is provided. Further, a through-hole 22 is provided with the threaded hole 21 and the parting hole 23 in alignment in the outer part 20.
- a cross hole 24 is provided in the turbomachine housing 1, the longitudinal axis of which lies at the intersection of the horizontal parting line 7 and the vertical parting line 6.
- a through hole 22 is provided for the cross hole 24 in the inner part 19 of the Wienteilfugen- staple 10 and in the outer part 20 of the crosspiece joint clip 10, wherein the threaded hole 21, the through hole 22 and the Cross hole 24 are aligned.
- the retaining screw 25 has a first threaded portion 26 and a second threaded portion 27, wherein between the first threaded portion 26 and the second threaded portion 27, a strain shaft 28 may be provided.
- the retaining screw 25 is inserted into the holes 21 to 23 such that the first threaded portion 26 engages in the threaded hole 21 forming a screw, the second threaded portion 27 protrudes from the outer part 20 to the outside of the turbomachinery housing 1 and the expansion shaft 28 between the Operafugenwülsten eleventh is arranged to 18.
- a nut 29 is screwed with a washer 30, so that when tightening the nut 29, the inner part 19 and the outer part 20 of the nut 29 to the Generalfugen- was pressed 11 to 18.
- two or more retaining screws 25 may be provided per part of the joint bracket, which may also be arranged eccentrically, ie, outside of the parting line.
- the turbomachinery housing 1 is formed on the Operafugenwggsten 11 to 18 in cross-section T-shaped, wherein the Generalfugenwülste 11 to 18 facing away from the parting holes 23 sides bead flanks 31 have.
- the inner bead flanks are substantially parallel to the longitudinal axis of the
- Partial joint hole 23 is formed, wherein the bead flanks 31 are arranged sloping sloping from the turbomachinery housing 1 to the parting hole 23 down.
- the inner part 19 and the outer part 20 are C-shaped and surround the Operafugenwommeste 11 to 18 at their Wulstflanken 31. With the Wulstflanken 31 cooperating, the inner part 19 and the outer part 20 each have clamp edges 32 which parallel to the bead flanks 31adedbil- are.
- the procedure is as follows: First, the inner part 19 at the inner portion of the Generalfugen- beads 11 to 18 to be applied so that the inner part 19 abuts with its clamp edges 32 on the bead flanks 31. Then, the retaining screw 25 is stuck through the parting hole 23 or the cross hole 24 and screwed into the threaded hole 21 with the first threaded portion 26 on the inner part 19.
- the nut 29 is screwed together with the washer 30.
- the nut 29 is to be tightened so far characterized in that the inner part 19 and the outer part 20 is pressed against the sectionfugenwülste 11 to 18, wherein by the arrival of the Wulstflanken 31 and the clamp edges 32 and caused by the inclined arrangement of the flanks 31, 32 with respect to the longitudinal axis of the retaining screw 25, the housing parts 2 to 5 at the parting lines 6, 7 are compressed.
- the vertical parting joint 6 is held in a form-fitting manner, for example, on the vertical parting line 6 in the horizontal direction 36.
- the force flow 34 formed in the region of the parting lines 6, 7 of the turbomachine housing 1 is symmetrical, so that in the area of the parting lines 6, 7 the turbomachine housing 1 and the retaining screws 25 are not subjected to bending stress.
- a seal 33 is provided between the inner part 19 and the inner portion of the Operafugenwülste 11 to 18, whereby the interior of the turbomachine housing 1 is closed to the outside gas-tight.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009801066605A CN101960100A (zh) | 2008-02-27 | 2009-01-14 | 具有优化的结合部法兰的分体式涡轮机壳体 |
| US12/919,272 US8511985B2 (en) | 2008-02-27 | 2009-01-14 | Divided turbomachine housing having optimized parting line flanges |
| EP09715711A EP2255075B1 (de) | 2008-02-27 | 2009-01-14 | Geteiltes turbomaschinengehäuse mit optimierten teilfugenflanschen |
| AT09715711T ATE517233T1 (de) | 2008-02-27 | 2009-01-14 | Geteiltes turbomaschinengehäuse mit optimierten teilfugenflanschen |
| JP2010548042A JP2011513621A (ja) | 2008-02-27 | 2009-01-14 | 分割線フランジを有する、分割されたターボ機械ハウジング |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08003587A EP2096272A1 (de) | 2008-02-27 | 2008-02-27 | Geteiltes Turbomaschinengehäuse mit optimierten Teilfugenflanschen |
| EP08003587.6 | 2008-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2009106377A1 true WO2009106377A1 (de) | 2009-09-03 |
Family
ID=39670913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2009/050355 Ceased WO2009106377A1 (de) | 2008-02-27 | 2009-01-14 | Geteiltes turbomaschinengehäuse mit optimierten teilfugenflanschen |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8511985B2 (de) |
| EP (2) | EP2096272A1 (de) |
| JP (1) | JP2011513621A (de) |
| CN (1) | CN101960100A (de) |
| AT (1) | ATE517233T1 (de) |
| WO (1) | WO2009106377A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2143959B1 (de) * | 2008-07-10 | 2018-05-02 | Grundfos Management A/S | Pumpenaggregat und Verfahren zum modularen Aufbau eines Pumpenaggregates |
| US9140139B2 (en) | 2011-12-01 | 2015-09-22 | United Technologies Corporation | Structural joint for connecting a first component to a segmented second component |
| EP2915960A1 (de) | 2014-03-07 | 2015-09-09 | Siemens Aktiengesellschaft | Dichtungsanordnung zum Abdichten eines Spalts zwischen zwei bei Raumtemperatur spaltseitig flächig aneinander liegender Bauteile |
| EP2921656B1 (de) * | 2014-03-20 | 2019-05-08 | Ansaldo Energia Switzerland AG | Turbomaschine und Verfahren zur Demontage einer Turbomaschine |
| CN104405455B (zh) * | 2014-11-27 | 2016-09-07 | 浙江鸿峰重工机械有限公司 | 一种汽轮机的蒸汽室盖 |
| DE102015209568B4 (de) | 2015-05-26 | 2017-07-06 | MTU Aero Engines AG | Flanschverbindung mit einer Klemmvorrichtung zum Verbinden von Flanschstegen |
| KR101821503B1 (ko) * | 2016-11-04 | 2018-01-23 | 두산중공업 주식회사 | 터빈의 내부케이싱 플랜지의 흐름 가이드 구조 |
| EP3715590A1 (de) * | 2019-03-27 | 2020-09-30 | Siemens Aktiengesellschaft | Turbomaschinengehäuseanordnung |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL60421C (de) * | ||||
| FR945894A (fr) * | 1946-07-16 | 1949-05-17 | Rolls Royce | Perfectionnements au mode de montage des tuyères dans les groupes propulseurs à turbine à gaz ou à réaction |
| DE853451C (de) * | 1950-05-28 | 1952-10-23 | Brown | Flanschverbindung an Druckgefaessen, insbesondere an Gehaeusen von Dampf- und Gasturbinen |
| DE1160701B (de) * | 1959-01-29 | 1964-01-02 | Gen Electric | Flanschverbindung fuer Gehaeuseteile von Hochdruckgefaessen |
| SU967282A3 (ru) * | 1975-10-17 | 1982-10-15 | За витель | Способ контактного уплотнени соединени частей корпуса |
| EP1707759A2 (de) * | 2005-03-31 | 2006-10-04 | ALSTOM Technology Ltd | Gehäuse einer Turbomaschine |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2673659A (en) * | 1950-06-13 | 1954-03-30 | Moorex Ind Inc | Demountable structure |
| US2904144A (en) * | 1956-05-04 | 1959-09-15 | Moorex Ind Inc | Intersecting joint construction |
| JPS523045Y2 (de) * | 1971-11-26 | 1977-01-22 | ||
| JPS5129214B2 (de) | 1971-12-17 | 1976-08-24 | ||
| JPS6021126A (ja) | 1983-07-15 | 1985-02-02 | Nippon Stainless Steel Co Ltd | 側端に立上げ部を有する金属板の折曲加工機 |
| JPS60147856U (ja) * | 1984-03-12 | 1985-10-01 | 三菱重工業株式会社 | 回転機械の車室 |
| CN1004016B (zh) * | 1985-04-01 | 1989-04-26 | 苏舍兄弟有限公司 | 涡轮机的筒形外壳 |
| JPS627903A (ja) * | 1985-07-03 | 1987-01-14 | Nissan Motor Co Ltd | セラミツクタ−ビンハウジングの取付構造 |
| JPH1026006A (ja) * | 1996-07-09 | 1998-01-27 | Mitsubishi Heavy Ind Ltd | 一重車室蒸気タービン |
| DE19728779C2 (de) * | 1997-07-05 | 1999-09-09 | Ghh Borsig Turbomaschinen Gmbh | Verbindung für horizontal geteilte Gehäuse von Turbomaschinen |
| US6786052B2 (en) * | 2002-12-06 | 2004-09-07 | 1419509 Ontario Inc. | Insulation system for a turbine and method |
-
2008
- 2008-02-27 EP EP08003587A patent/EP2096272A1/de not_active Withdrawn
-
2009
- 2009-01-14 WO PCT/EP2009/050355 patent/WO2009106377A1/de not_active Ceased
- 2009-01-14 US US12/919,272 patent/US8511985B2/en not_active Expired - Fee Related
- 2009-01-14 JP JP2010548042A patent/JP2011513621A/ja active Pending
- 2009-01-14 EP EP09715711A patent/EP2255075B1/de not_active Not-in-force
- 2009-01-14 AT AT09715711T patent/ATE517233T1/de active
- 2009-01-14 CN CN2009801066605A patent/CN101960100A/zh active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL60421C (de) * | ||||
| FR945894A (fr) * | 1946-07-16 | 1949-05-17 | Rolls Royce | Perfectionnements au mode de montage des tuyères dans les groupes propulseurs à turbine à gaz ou à réaction |
| DE853451C (de) * | 1950-05-28 | 1952-10-23 | Brown | Flanschverbindung an Druckgefaessen, insbesondere an Gehaeusen von Dampf- und Gasturbinen |
| DE1160701B (de) * | 1959-01-29 | 1964-01-02 | Gen Electric | Flanschverbindung fuer Gehaeuseteile von Hochdruckgefaessen |
| SU967282A3 (ru) * | 1975-10-17 | 1982-10-15 | За витель | Способ контактного уплотнени соединени частей корпуса |
| EP1707759A2 (de) * | 2005-03-31 | 2006-10-04 | ALSTOM Technology Ltd | Gehäuse einer Turbomaschine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2255075A1 (de) | 2010-12-01 |
| ATE517233T1 (de) | 2011-08-15 |
| US8511985B2 (en) | 2013-08-20 |
| US20110085904A1 (en) | 2011-04-14 |
| JP2011513621A (ja) | 2011-04-28 |
| EP2096272A1 (de) | 2009-09-02 |
| CN101960100A (zh) | 2011-01-26 |
| EP2255075B1 (de) | 2011-07-20 |
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