JP2009057965A - ターボ機械用の可変ピッチ翼の段 - Google Patents
ターボ機械用の可変ピッチ翼の段 Download PDFInfo
- Publication number
- JP2009057965A JP2009057965A JP2008214905A JP2008214905A JP2009057965A JP 2009057965 A JP2009057965 A JP 2009057965A JP 2008214905 A JP2008214905 A JP 2008214905A JP 2008214905 A JP2008214905 A JP 2008214905A JP 2009057965 A JP2009057965 A JP 2009057965A
- Authority
- JP
- Japan
- Prior art keywords
- pin
- pins
- wing
- variable pitch
- stage
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000011144 upstream manufacturing Methods 0.000 description 6
Images
Classifications
-
- 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
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
-
- 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
- F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- 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
- F01D17/00—Regulating or controlling by varying flow
- F01D17/10—Final actuators
- F01D17/12—Final actuators arranged in stator parts
- F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
- F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
- F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
-
- 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
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
-
- 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
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3053—Fixing blades to rotors; Blade roots ; Blade spacers by means of pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/02—Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
【解決手段】翼(10)が、セクタ化された内側リング(12)の対応するハウジングに係合する内側ピボットを備え、各リングセクタが、1つの翼の内側ピボット上でリングセクタを半径方向に保持するために、2つのピン(70、76)を取り付ける軸方向オリフィスを備える、ターボ機械用の可変ピッチ翼の段であって、各ピン(70、76)が、リングセクタのオリフィス内でこれらのピンを回転的に固定するために、他のピン(76、70)の相補的手段(78、72)と結合する形状により協働する手段(72、78)を備える。
【選択図】図4
Description
12 内側リング
14 外側ケーシング
16 エアフォイル
18 外側ピボット
20 内側ピボット
22 回転軸
24 ダクト
26 ブッシュ
28 ナット
30 駆動レバー
32、72 フィンガ、フィンガ(回転固定手段)
34 駆動リング
36 スリーブ
40 環状リム
42 環状溝
44、70、76 ピン
46 環状シュラウド
48 ブロック
50 上流側外周リム
52 下流側外周リム
54 環状溝
56 環状リブ
58 環状チャネル
60、78、84 切欠部、切欠部(回転固定手段)
86、88 外側縁部
Claims (7)
- 翼が外側ケーシングの半径方向ダクトに係合する半径方向外側のピボットと、セクタ化された内側リングの対応するハウジングに係合する半径方向内側のピボットとを備え、各リングセクタが1つの翼の内側ピボット上でリングセクタを半径方向に保持するために、少なくとも2つのピンを取り付ける軸方向オリフィスを備え、前記ピンが互いに平行で、かつ前記内側ピボット内の外側環状溝に入り込んだ状態で前記翼の前記内側ピボットの両側に延在する、ターボ機械用の可変ピッチ翼の段であって、
前記各ピンが、前記リングセクタのオリフィス内で前記ピンを回転的に固定するために、他のピンの相補的手段と結合する形状で協働する手段を備える、可変ピッチ翼の段。 - 前記回転固定手段が、前記ピンのヘッド上で形成される、請求項1に記載の可変ピッチ翼の段。
- 前記ピンのうちの1つのヘッドが、前記ピンの軸に対して横方向に延び、かつ前記その他のピンのヘッド周囲に形成された対応する切欠部に収容される少なくとも1つのフィンガを備える、請求項2に記載の可変ピッチ翼の段。
- 前記各リングセクタが、2つのピンをその外周端部のそれぞれで取り付けるためのオリフィスを備え、1つの翼の前記内側ピボットの両側に延在して前記ピンが前記リングセクタの1つの外周端部に取り付けられ、別の翼の前記内側ピボットの両側に延在して前記ピンが前記リングセクタのその他の外周端部に取り付けられる、請求項1に記載の可変ピッチ翼の段。
- 前記各ピンが、一端部が該ピンの軸に対して横方向に延びるヘッドに接続された円筒状本体を備え、前記ピンのうちの1つのヘッドが、別のピンのヘッドに形成された相補的形状の切欠部と協働するフィンガを備える、請求項1に記載の可変ピッチ翼の段のピン。
- 請求項1に記載の少なくとも1つの可変ピッチ翼の段を備える、ターボ機械の高圧圧縮機。
- 請求項1に記載の少なくとも1つの可変ピッチ翼の段を備える、航空機のターボジェットまたはターボプロップなどのターボ機械。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0706075 | 2007-08-30 | ||
FR0706075A FR2920492B1 (fr) | 2007-08-30 | 2007-08-30 | Etage d'aubes a calage variable pour une turbomachine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009057965A true JP2009057965A (ja) | 2009-03-19 |
JP5498671B2 JP5498671B2 (ja) | 2014-05-21 |
Family
ID=39166293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008214905A Active JP5498671B2 (ja) | 2007-08-30 | 2008-08-25 | ターボ機械用の可変ピッチ翼の段 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8162597B2 (ja) |
EP (1) | EP2031188B1 (ja) |
JP (1) | JP5498671B2 (ja) |
CA (1) | CA2639206C (ja) |
DE (1) | DE602008002505D1 (ja) |
FR (1) | FR2920492B1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016538471A (ja) * | 2013-11-29 | 2016-12-08 | サフラン エアークラフト エンジンズ | タービンエンジンの可変ピッチ固定子翼のための案内装置及び上記装置の組立方法 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2988428B1 (fr) * | 2012-03-26 | 2017-07-07 | Snecma | Aubage de turbomachine avec couronne interne rapportee et elements de renfort. |
FR2994453B1 (fr) * | 2012-08-08 | 2014-09-05 | Snecma | Ensemble a faible usure pour couronne aubagee de stator de turbomachine d'aeronef |
US20150117804A1 (en) * | 2013-10-30 | 2015-04-30 | United Technologies Corporation | Gas turbine engine bushing |
EP3009604B1 (en) * | 2014-09-19 | 2018-08-08 | United Technologies Corporation | Radially fastened fixed-variable vane system |
US10202857B2 (en) * | 2015-02-06 | 2019-02-12 | United Technologies Corporation | Vane stages |
DE102018213983A1 (de) | 2018-08-20 | 2020-02-20 | MTU Aero Engines AG | Verstellbare Leitschaufelanordnung, Leitschaufel, Dichtungsträger und Turbomaschine |
GB2588929B (en) * | 2019-11-14 | 2023-09-27 | Cummins Ltd | Pin member for turbine |
FR3106632B1 (fr) | 2020-01-24 | 2022-01-07 | Safran Aircraft Engines | Aubage de stator pour une turbomachine d’aeronef |
FR3108362B1 (fr) | 2020-03-19 | 2022-07-29 | Safran Aircraft Engines | Etage d’aubes à orientation variable pour une turbomachine axiale comprenant un organe de régulation du débit d’air dépendant de l’orientation des aubes |
FR3119649B1 (fr) * | 2021-02-05 | 2023-04-21 | Safran Aircraft Engines | Anneau interne de support d'aubes d'un redresseur de compresseur d'une turbomachine. |
US11674403B2 (en) | 2021-03-29 | 2023-06-13 | General Electric Company | Annular shroud assembly |
BE1030541B1 (fr) | 2022-05-19 | 2023-12-19 | Safran Aero Boosters | Accouplement deformable pour aube a calage variable |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1628021A1 (en) * | 2004-08-17 | 2006-02-22 | AGCO GmbH | Locking arrangement for at least two bolts to be inserted into bores of plates |
FR2874977A1 (fr) * | 2004-09-07 | 2006-03-10 | Snecma Moteurs Sa | Douille de support pivotant pour pivot d'aube a calage variable de turbomachine |
US20060056963A1 (en) * | 2004-09-10 | 2006-03-16 | Snecma | Retaining of centring keys for rings under variable angle stator vanes in a gas turbine engine |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4498790A (en) * | 1983-11-21 | 1985-02-12 | United Technologies Corporation | Bushing securing apparatus |
US4808069A (en) * | 1986-07-03 | 1989-02-28 | The United States Of America As Represented By The Secretary Of The Air Force | Anti-rotation guide vane bushing |
US4815933A (en) * | 1987-11-13 | 1989-03-28 | The United States Of America As Represented By The Secretary Of The Air Force | Nozzle flange attachment and sealing arrangement |
FR2644525B1 (fr) * | 1989-03-15 | 1991-05-24 | Snecma | Systeme de retention d'aubes de stator a calage variable |
FR2742800B1 (fr) * | 1995-12-20 | 1998-01-16 | Snecma | Agencement d'extremites internes d'un etage d'aubes a calage variable |
US6887035B2 (en) * | 2002-10-23 | 2005-05-03 | General Electric Company | Tribologically improved design for variable stator vanes |
US6843638B2 (en) * | 2002-12-10 | 2005-01-18 | Honeywell International Inc. | Vane radial mounting apparatus |
US7125222B2 (en) * | 2004-04-14 | 2006-10-24 | General Electric Company | Gas turbine engine variable vane assembly |
FR2869374B1 (fr) * | 2004-04-23 | 2009-01-30 | Snecma Moteurs Sa | Systeme de fixation de pieces par des goujons a collerettes |
FR2890707B1 (fr) * | 2005-09-14 | 2007-12-14 | Snecma | Douille pour pivot d'aube a angle de calage variable pour turbomachine |
-
2007
- 2007-08-30 FR FR0706075A patent/FR2920492B1/fr not_active Expired - Fee Related
-
2008
- 2008-07-31 EP EP08161515A patent/EP2031188B1/fr active Active
- 2008-07-31 DE DE602008002505T patent/DE602008002505D1/de active Active
- 2008-08-25 JP JP2008214905A patent/JP5498671B2/ja active Active
- 2008-08-25 US US12/197,695 patent/US8162597B2/en active Active
- 2008-08-26 CA CA2639206A patent/CA2639206C/fr active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1628021A1 (en) * | 2004-08-17 | 2006-02-22 | AGCO GmbH | Locking arrangement for at least two bolts to be inserted into bores of plates |
FR2874977A1 (fr) * | 2004-09-07 | 2006-03-10 | Snecma Moteurs Sa | Douille de support pivotant pour pivot d'aube a calage variable de turbomachine |
US20060056963A1 (en) * | 2004-09-10 | 2006-03-16 | Snecma | Retaining of centring keys for rings under variable angle stator vanes in a gas turbine engine |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016538471A (ja) * | 2013-11-29 | 2016-12-08 | サフラン エアークラフト エンジンズ | タービンエンジンの可変ピッチ固定子翼のための案内装置及び上記装置の組立方法 |
Also Published As
Publication number | Publication date |
---|---|
DE602008002505D1 (de) | 2010-10-28 |
FR2920492A1 (fr) | 2009-03-06 |
CA2639206A1 (fr) | 2009-02-28 |
EP2031188A1 (fr) | 2009-03-04 |
US20090087304A1 (en) | 2009-04-02 |
EP2031188B1 (fr) | 2010-09-15 |
JP5498671B2 (ja) | 2014-05-21 |
US8162597B2 (en) | 2012-04-24 |
CA2639206C (fr) | 2016-12-13 |
FR2920492B1 (fr) | 2009-10-30 |
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