JP4667787B2 - カウンタ・スタッガ形圧縮機翼形部 - Google Patents
カウンタ・スタッガ形圧縮機翼形部 Download PDFInfo
- Publication number
- JP4667787B2 JP4667787B2 JP2004227400A JP2004227400A JP4667787B2 JP 4667787 B2 JP4667787 B2 JP 4667787B2 JP 2004227400 A JP2004227400 A JP 2004227400A JP 2004227400 A JP2004227400 A JP 2004227400A JP 4667787 B2 JP4667787 B2 JP 4667787B2
- Authority
- JP
- Japan
- Prior art keywords
- airfoil
- span
- tip
- root
- stagger
- 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.)
- Expired - Fee Related
Links
Images
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
- 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
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
- F04D29/324—Blades
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S416/00—Fluid reaction surfaces, i.e. impellers
- Y10S416/02—Formulas of curves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
12 圧縮機ロータ
14 空気
16 エンジンの軸方向中心軸線
18 外側ケーシング
20 圧縮機翼形部
22 プラットホーム
24 ダブテール
26 正圧側面
28 負圧側面
30 前縁
32 後縁
34 翼形部根元
36 翼形部先端
40 スパン中間ピッチセクション
Claims (11)
- 周囲ケーシング(18)の内側で空気(14)を加圧するための圧縮機翼形部(20)であって、
翼弦方向に対向する前縁及び後縁(30、32)において互いに接合されかつスパンにわたって根元(34)から先端(36)まで延びる横方向に対向する正圧及び負圧側面(26、28)と、
前記根元(34)の上方で増大しかつ前記翼形部のスパン中央ピッチセクション(40)の上方で減少するスタッガと、
を含み、
前記正圧及び負圧面の中間の面と前記ケーシングの内面と垂直な面とがなす二面角(B)が、前記スパン中央ピッチセクション(40)の上方で前記前縁(30)に沿って先端(36)まで増大する
ことを特徴とする、翼形部。 - 前記前縁(30)に沿った凹形の軸方向投影線をさらに含み、前記前縁に沿って前記根元(34)及び先端(36)が前記スパン中央ピッチセクション(40)よりも前方に延びている、請求項1記載の翼形部。
- 前記スタッガが、前記根元(34)から前記スパン中央ピッチセクション(40)まで大きさが増大し、該スパン中央ピッチセクションの上方で前記根元のスタッガの大きさに向かって大きさが減少する、請求項2記載の翼形部。
- 前記スパン中央ピッチセクション(40)の上方での二面角が、前記根元(34)と該スパン中央ピッチセクションとの間の二面角と正反対になっている、請求項3記載の翼形部。
- 前記前縁(30)に沿った前記先端(36)における二面角が、前記スパン中央ピッチセクション(40)の下方におけるよりも大きい、請求項4記載の翼形部。
- 前記先端(36)の前縁及び後縁(30、32)の両方において前向き空気力学的スイープをさらに含む、請求項5記載の翼形部。
- 前記前縁及び後縁(30、32)に沿って前記根元(34)から前記スパン中央ピッチセクション(40)まで及び前記先端(36)の下方まで後向き空気力学的スイープをさらに含む、請求項6記載の翼形部。
- 前記負圧側面のスタッガが、スパンにわたって負圧側面(28)の前記前縁(30)を凹形に湾曲させるように該前縁に沿って変化している、請求項6記載の翼形部。
- 前記二面角を形成する前記中間面が、前記先端(36)に沿って前記前縁(30)から前記後縁(32)まで同じ方向に方向付けされいる、請求項6記載の翼形部。
- 前記スタッガが、前記根元(34)から約60%〜85%スパンの範囲内に位置する最大値を有する、請求項6記載の翼形部。
- 前記前縁(30)に沿う前記二面角(B)が、前記根元から前記先端に向けて、該根元(34)における0度から減少して約25%スパンにおいて約−7度の最大の負の値になり、約40%スパンに向けて増加して0度になり、前記先端で約25度となることを特徴とする請求項1乃至10のいずれか1項に記載の翼形部。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/634,545 US6899526B2 (en) | 2003-08-05 | 2003-08-05 | Counterstagger compressor airfoil |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005054798A JP2005054798A (ja) | 2005-03-03 |
JP4667787B2 true JP4667787B2 (ja) | 2011-04-13 |
Family
ID=33552914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004227400A Expired - Fee Related JP4667787B2 (ja) | 2003-08-05 | 2004-08-04 | カウンタ・スタッガ形圧縮機翼形部 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6899526B2 (ja) |
EP (1) | EP1505302B1 (ja) |
JP (1) | JP4667787B2 (ja) |
CN (1) | CN100406679C (ja) |
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JPS5264008A (en) * | 1975-11-21 | 1977-05-27 | Le Metarichiesukii Zabuodo Im | Axiallflow turboocompressors |
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-
2004
- 2004-08-04 JP JP2004227400A patent/JP4667787B2/ja not_active Expired - Fee Related
- 2004-08-05 EP EP04254703A patent/EP1505302B1/en not_active Expired - Fee Related
- 2004-08-05 CN CNB2004100560391A patent/CN100406679C/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5264008A (en) * | 1975-11-21 | 1977-05-27 | Le Metarichiesukii Zabuodo Im | Axiallflow turboocompressors |
JPS64397A (en) * | 1987-03-13 | 1989-01-05 | Nippon Denso Co Ltd | Blower fan |
JPH08284887A (ja) * | 1995-04-11 | 1996-10-29 | Toyo Radiator Co Ltd | ファン |
JPH10196303A (ja) * | 1997-01-16 | 1998-07-28 | Mitsubishi Heavy Ind Ltd | 高性能翼 |
JP2001055996A (ja) * | 1999-07-30 | 2001-02-27 | General Electric Co <Ge> | ロータブレード |
JP2001193692A (ja) * | 1999-12-06 | 2001-07-17 | General Electric Co <Ge> | 二重に湾曲した圧縮機翼形部 |
Also Published As
Publication number | Publication date |
---|---|
CN100406679C (zh) | 2008-07-30 |
US20050031454A1 (en) | 2005-02-10 |
EP1505302A1 (en) | 2005-02-09 |
EP1505302B1 (en) | 2013-01-09 |
US6899526B2 (en) | 2005-05-31 |
JP2005054798A (ja) | 2005-03-03 |
CN1580495A (zh) | 2005-02-16 |
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