JP2008202598A - トリートメントを有するターボ機械ケーシング、圧縮機およびそのようなケーシングを含むターボ機械 - Google Patents
トリートメントを有するターボ機械ケーシング、圧縮機およびそのようなケーシングを含むターボ機械 Download PDFInfo
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- JP2008202598A JP2008202598A JP2008037002A JP2008037002A JP2008202598A JP 2008202598 A JP2008202598 A JP 2008202598A JP 2008037002 A JP2008037002 A JP 2008037002A JP 2008037002 A JP2008037002 A JP 2008037002A JP 2008202598 A JP2008202598 A JP 2008202598A
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- 238000011282 treatment Methods 0.000 title claims abstract description 52
- 230000001788 irregular Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 9
- 238000005086 pumping Methods 0.000 description 8
- 230000032798 delamination Effects 0.000 description 7
- 230000000295 complement effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000593 degrading effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Classifications
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- 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
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/141—Shape, i.e. outer, aerodynamic form
- F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
- F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/02—Surge control
- F04D27/0207—Surge control by bleeding, bypassing or recycling fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/16—Sealings between pressure and suction sides
- F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
- F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
- F04D29/685—Inducing localised fluid recirculation in the stator-rotor interface
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- 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
- F05D2240/10—Stators
- F05D2240/14—Casings or housings protecting or supporting assemblies within
-
- 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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
-
- 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
- F05D2250/00—Geometry
- F05D2250/10—Two-dimensional
- F05D2250/18—Two-dimensional patterned
- F05D2250/182—Two-dimensional patterned crenellated, notched
-
- 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
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
-
- 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
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
- F05D2250/61—Structure; Surface texture corrugated
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】本発明は、長手軸を中心とした回転において移動可能な一連の可動ブレード(20)が間に配置される一連の固定翼を支持するケーシング(10)に関し、上記可動ブレード(20)の半径方向の外側端部がケーシング(10)の内面に近い。特徴的な態様において、ケーシングは、一連の可動ブレード(20)の1つに面する少なくとも1つの環にわたって、ブレードに面し、閉じた輪郭の溝の形態で表面で緩和される外乱(surface relief disturbance)を含む少なくとも1つのケーシングトリートメント領域(12)と、を含む。本発明は、ターボ機械の圧縮機における回転剥離を制御することに適用可能である。
【選択図】図1
Description
ブレードがポンピングをもたらすことになる一般化された剥離によって汚染され、
ブレードの空力弾性励起を伴う危険性がある。
上記キャビティの深さは、トリートメント領域の深さの1から3倍の範囲にあり、
軸方向における上記キャビティの範囲は、軸方向におけるトリートメント領域の範囲より10%から20%の範囲にある。
12、12’ 溝
14 キャビティ
20 可動ブレード
30 間隙
P ブレードピッチ
Claims (15)
- 長手軸を中心とした回転において移動可能である一連の可動ブレード(20)が間に位置する一連の固定翼を支持するケーシング(10)であって、前記可動ブレード(20)の半径方向の外側端部が、ケーシング(10)の内面に近く、少なくとも一連の可動ブレード(20)の1つに面して位置する環において、ブレードに面し、閉じた輪郭を画定する少なくとも1つの溝(12、12’)を含む少なくとも1つのケーシングトリートメント領域(12、12’)を含むことを特徴とする、ケーシング。
- 前記領域が、可動ブレードのピッチの1.5から2.5倍に相当する角度セクタにわたって局所化されることを特徴とする、請求項1に記載のケーシング。
- 前記トリートメント領域が、軸方向において可動ブレード(20)の長さの少なくとも2/3を表す距離にわたって軸方向に延在することを特徴とする、請求項1または2に記載のケーシング。
- 前記トリートメント領域が、閉じた輪郭が略湾曲している溝を備えることを特徴とする、請求項1から3のいずれか一項に記載のケーシング。
- 前記トリートメント領域が、楕円の溝を備えることを特徴とする、請求項4に記載のケーシング。
- 前記トリートメント領域が、不規則な幾何形状を形成するために相互接続される直線的なセグメントのステップによって画定される溝を備えることを特徴とする、請求項1から3のいずれか一項に記載のケーシング。
- 前記幾何形状が、8つの辺を有することを特徴とする、請求項6に記載のケーシング。
- 前記ケーシングトリートメント領域が、ケーシング(10)に適合するプレートに形成されることを特徴とする、請求項1から7のいずれか一項に記載のケーシング。
- 前記プレートが、アブレイダブル材料から構成されることを特徴とする、請求項8に記載のケーシング。
- トリートメント領域の背後であって、トリートメント領域の半径方向の外側に形成されるキャビティ(14)をさらに含むことを特徴とする、請求項1から9のいずれか一項に記載のケーシング。
- 複数のトリートメント領域を含むことと、各トリートメント領域の前記キャビティ(14)は、別のトリートメント領域の前記キャビティ(14)と連通していることと、を特徴とする、請求項10に記載のケーシング。
- 前記キャビティ(14)の深さが、トリートメント領域の深さの1から4倍の範囲にあることを特徴とする、請求項10または11に記載のケーシング。
- 前記キャビティ(14)の軸方向の範囲が、トリートメント領域の軸方向の範囲より10%から20%の範囲にあることを特徴とする、請求項10、11または12に記載のケーシング。
- ステータとして、請求項1から13のいずれか一項に記載のケーシング(28)を備える、軸流圧縮機。
- 請求項14に記載の圧縮機を含む特にターボジェットである、ターボ機械。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0753399 | 2007-02-21 | ||
FR0753399A FR2912789B1 (fr) | 2007-02-21 | 2007-02-21 | Carter avec traitement de carter, compresseur et turbomachine comportant un tel carter. |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008202598A true JP2008202598A (ja) | 2008-09-04 |
JP5152492B2 JP5152492B2 (ja) | 2013-02-27 |
Family
ID=38521831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008037002A Active JP5152492B2 (ja) | 2007-02-21 | 2008-02-19 | トリートメントを有するターボ機械ケーシング、圧縮機およびそのようなケーシングを含むターボ機械 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8100629B2 (ja) |
EP (1) | EP1961920B1 (ja) |
JP (1) | JP5152492B2 (ja) |
CA (1) | CA2621727C (ja) |
DE (1) | DE602008000914D1 (ja) |
FR (1) | FR2912789B1 (ja) |
RU (1) | RU2489602C2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014109214A (ja) * | 2012-11-30 | 2014-06-12 | Mitsubishi Heavy Ind Ltd | 圧縮機 |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004055439A1 (de) * | 2004-11-17 | 2006-05-24 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit dynamischer Strömungsbeeinflussung |
DE102007037924A1 (de) * | 2007-08-10 | 2009-02-12 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Ringkanalwandausnehmung |
DE102008011644A1 (de) * | 2008-02-28 | 2009-09-03 | Rolls-Royce Deutschland Ltd & Co Kg | Gehäusestrukturierung für Axialverdichter im Nabenbereich |
DE102008031982A1 (de) * | 2008-07-07 | 2010-01-14 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit Nut an einem Laufspalt eines Schaufelendes |
DE102008037154A1 (de) | 2008-08-08 | 2010-02-11 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine |
EP2202385A1 (fr) | 2008-12-24 | 2010-06-30 | Techspace Aero S.A. | Traitement de carter de compresseur de turbomachine consistant en une rainure circulaire décrivant une ondulation en vue de contrôler les tourbillons de tête d'aubes |
US9234526B2 (en) | 2010-02-09 | 2016-01-12 | Tsinghua University | Centrifugal compressor having an asymmetric self-recirculating casing treatment |
WO2011099416A1 (ja) | 2010-02-09 | 2011-08-18 | 株式会社Ihi | 非対称自己循環ケーシングトリートメントを有する遠心圧縮機 |
EP2535598B1 (en) * | 2010-02-09 | 2018-06-06 | IHI Corporation | Centrifugal compressor using an asymmetric self-recirculating casing treatment |
EP2535597B1 (en) | 2010-02-09 | 2018-06-20 | IHI Corporation | Centrifugal compressor using an asymmetric self-recirculating casing treatment |
DE102011006273A1 (de) | 2011-03-28 | 2012-10-04 | Rolls-Royce Deutschland Ltd & Co Kg | Rotor einer Axialverdichterstufe einer Turbomaschine |
DE102011006275A1 (de) | 2011-03-28 | 2012-10-04 | Rolls-Royce Deutschland Ltd & Co Kg | Stator einer Axialverdichterstufe einer Turbomaschine |
DE102011007767A1 (de) * | 2011-04-20 | 2012-10-25 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsmaschine |
US8939705B1 (en) | 2014-02-25 | 2015-01-27 | Siemens Energy, Inc. | Turbine abradable layer with progressive wear zone multi depth grooves |
US8939716B1 (en) * | 2014-02-25 | 2015-01-27 | Siemens Aktiengesellschaft | Turbine abradable layer with nested loop groove pattern |
US8939706B1 (en) | 2014-02-25 | 2015-01-27 | Siemens Energy, Inc. | Turbine abradable layer with progressive wear zone having a frangible or pixelated nib surface |
RU2016137904A (ru) | 2014-02-25 | 2018-03-29 | Сименс Акциенгезелльшафт | Термобарьерное покрытие компонента турбины с изолирующими трещины техническими элементами в виде канавок |
WO2016133582A1 (en) | 2015-02-18 | 2016-08-25 | Siemens Aktiengesellschaft | Turbine shroud with abradable layer having dimpled forward zone |
US9151175B2 (en) | 2014-02-25 | 2015-10-06 | Siemens Aktiengesellschaft | Turbine abradable layer with progressive wear zone multi level ridge arrays |
US8939707B1 (en) | 2014-02-25 | 2015-01-27 | Siemens Energy, Inc. | Turbine abradable layer with progressive wear zone terraced ridges |
US9249680B2 (en) | 2014-02-25 | 2016-02-02 | Siemens Energy, Inc. | Turbine abradable layer with asymmetric ridges or grooves |
US9243511B2 (en) | 2014-02-25 | 2016-01-26 | Siemens Aktiengesellschaft | Turbine abradable layer with zig zag groove pattern |
WO2016133982A1 (en) | 2015-02-18 | 2016-08-25 | Siemens Aktiengesellschaft | Forming cooling passages in thermal barrier coated, combustion turbine superalloy components |
US10041500B2 (en) | 2015-12-08 | 2018-08-07 | General Electric Company | Venturi effect endwall treatment |
US10422348B2 (en) * | 2017-01-10 | 2019-09-24 | General Electric Company | Unsymmetrical turbofan abradable grind for reduced rub loads |
JP2020510783A (ja) * | 2017-03-03 | 2020-04-09 | エリオット・カンパニー | キャビティ音響モードによる騒音及び構造の励振を最低限に抑える方法及び構成 |
DE102018116062A1 (de) * | 2018-07-03 | 2020-01-09 | Rolls-Royce Deutschland Ltd & Co Kg | Strukturbaugruppe für einen Verdichter einer Strömungsmaschine |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3365172A (en) * | 1966-11-02 | 1968-01-23 | Gen Electric | Air cooled shroud seal |
US3597102A (en) * | 1968-06-10 | 1971-08-03 | English Electric Co Ltd | Turbines |
FR2166494A5 (ja) * | 1971-12-27 | 1973-08-17 | Onera (Off Nat Aerospatiale) | |
JPS6318799Y2 (ja) * | 1980-12-02 | 1988-05-26 | ||
SU1129420A1 (ru) * | 1983-01-03 | 1984-12-15 | Всесоюзный Научно-Исследовательский Институт Горной Механики Им.М.М.Федорова | Устройство дл защиты осевого вентил тора от срыва потока |
SU1560812A1 (ru) * | 1987-05-13 | 1990-04-30 | Харьковский авиационный институт им.Н.Е.Жуковского | Осевой компрессор |
RU2034175C1 (ru) * | 1993-03-11 | 1995-04-30 | Центральный институт авиационного моторостроения им.П.И.Баранова | Турбокомпрессор |
US5586859A (en) * | 1995-05-31 | 1996-12-24 | United Technologies Corporation | Flow aligned plenum endwall treatment for compressor blades |
US6231301B1 (en) * | 1998-12-10 | 2001-05-15 | United Technologies Corporation | Casing treatment for a fluid compressor |
US6220012B1 (en) * | 1999-05-10 | 2001-04-24 | General Electric Company | Booster recirculation passageway and methods for recirculating air |
ATE373175T1 (de) * | 1999-07-15 | 2007-09-15 | Hitachi Plant Technologies Ltd | Turbomaschinen |
US6290458B1 (en) * | 1999-09-20 | 2001-09-18 | Hitachi, Ltd. | Turbo machines |
GB2356588B (en) * | 1999-11-25 | 2003-11-12 | Rolls Royce Plc | Processing tip treatment bars in a gas turbine engine |
FR2846034B1 (fr) * | 2002-10-22 | 2006-06-23 | Snecma Moteurs | Carter, compresseur, turbine et turbomoteur a combustion comprenant un tel carter |
DE102004055439A1 (de) * | 2004-11-17 | 2006-05-24 | Rolls-Royce Deutschland Ltd & Co Kg | Strömungsarbeitsmaschine mit dynamischer Strömungsbeeinflussung |
RU2282754C1 (ru) * | 2005-01-24 | 2006-08-27 | Федеральное государственное унитарное предприятие "Центральный институт авиационного моторостроения им. П.И. Баранова" | Надроторное устройство компрессора и осевой компрессор |
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2007
- 2007-02-21 FR FR0753399A patent/FR2912789B1/fr not_active Expired - Fee Related
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2008
- 2008-02-19 JP JP2008037002A patent/JP5152492B2/ja active Active
- 2008-02-20 EP EP08151676A patent/EP1961920B1/fr active Active
- 2008-02-20 RU RU2008106633/06A patent/RU2489602C2/ru active
- 2008-02-20 DE DE602008000914T patent/DE602008000914D1/de active Active
- 2008-02-20 CA CA2621727A patent/CA2621727C/fr active Active
- 2008-02-21 US US12/035,021 patent/US8100629B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014109214A (ja) * | 2012-11-30 | 2014-06-12 | Mitsubishi Heavy Ind Ltd | 圧縮機 |
Also Published As
Publication number | Publication date |
---|---|
FR2912789B1 (fr) | 2009-10-02 |
EP1961920B1 (fr) | 2010-04-07 |
RU2008106633A (ru) | 2009-08-27 |
EP1961920A1 (fr) | 2008-08-27 |
JP5152492B2 (ja) | 2013-02-27 |
DE602008000914D1 (de) | 2010-05-20 |
CA2621727A1 (fr) | 2008-08-21 |
CA2621727C (fr) | 2015-06-16 |
US8100629B2 (en) | 2012-01-24 |
FR2912789A1 (fr) | 2008-08-22 |
RU2489602C2 (ru) | 2013-08-10 |
US20080199306A1 (en) | 2008-08-21 |
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