JP2015121221A - 非対称なパートスパンシュラウドを有する回転機械の翼およびその製造方法 - Google Patents

非対称なパートスパンシュラウドを有する回転機械の翼およびその製造方法 Download PDF

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Publication number
JP2015121221A
JP2015121221A JP2014254633A JP2014254633A JP2015121221A JP 2015121221 A JP2015121221 A JP 2015121221A JP 2014254633 A JP2014254633 A JP 2014254633A JP 2014254633 A JP2014254633 A JP 2014254633A JP 2015121221 A JP2015121221 A JP 2015121221A
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JP
Japan
Prior art keywords
point
airfoil
suction side
pressure side
side portion
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.)
Pending
Application number
JP2014254633A
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English (en)
Japanese (ja)
Other versions
JP2015121221A5 (enExample
Inventor
ロヒト・チョウハン
Rohit Chouhan
サミート・ソニ
Soni Sumeet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of JP2015121221A publication Critical patent/JP2015121221A/ja
Publication of JP2015121221A5 publication Critical patent/JP2015121221A5/ja
Pending legal-status Critical Current

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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • 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
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
JP2014254633A 2013-12-20 2014-12-17 非対称なパートスパンシュラウドを有する回転機械の翼およびその製造方法 Pending JP2015121221A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/135,884 US9719355B2 (en) 2013-12-20 2013-12-20 Rotary machine blade having an asymmetric part-span shroud and method of making same
US14/135,884 2013-12-20

Publications (2)

Publication Number Publication Date
JP2015121221A true JP2015121221A (ja) 2015-07-02
JP2015121221A5 JP2015121221A5 (enExample) 2018-01-25

Family

ID=53275477

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014254633A Pending JP2015121221A (ja) 2013-12-20 2014-12-17 非対称なパートスパンシュラウドを有する回転機械の翼およびその製造方法

Country Status (5)

Country Link
US (1) US9719355B2 (enExample)
JP (1) JP2015121221A (enExample)
CN (1) CN204476482U (enExample)
CH (1) CH709034A2 (enExample)
DE (1) DE102014118423A1 (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020115010A (ja) * 2018-12-28 2020-07-30 ゼネラル・エレクトリック・カンパニイ タービンエンジン用のハイブリッドロータブレード
JP2021173281A (ja) * 2020-04-17 2021-11-01 ゼネラル・エレクトリック・カンパニイ キャビティダンピングを用いた翼形部

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11608747B2 (en) * 2021-01-07 2023-03-21 General Electric Company Split shroud for vibration reduction

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214107A (en) * 1975-07-24 1977-02-02 Mitsubishi Heavy Ind Ltd Turbine blade construction for preventing break down due to vibration
JPS5397203U (enExample) * 1977-01-11 1978-08-07
JPS53162202U (enExample) * 1977-05-26 1978-12-19
JPS5430107U (enExample) * 1977-08-02 1979-02-27
US5248241A (en) * 1991-10-21 1993-09-28 Southern California Edison Co. Components made of hardenable and non-hardenable materials
JP2005127264A (ja) * 2003-10-27 2005-05-19 Mitsubishi Heavy Ind Ltd 機械駆動用タービンの動翼群および機械駆動用タービン
JP2008002439A (ja) * 2006-06-26 2008-01-10 Toshiba Corp タービン動翼およびその組立方法
JP2009007981A (ja) * 2007-06-27 2009-01-15 Toshiba Corp 蒸気タービン用長動翼翼列の中間固定支持構造及び蒸気タービン
JP2010096180A (ja) * 2008-10-14 2010-04-30 General Electric Co <Ge> 蒸気タービンエンジンの低圧セクション用の蒸気タービン動翼
JP2011137424A (ja) * 2009-12-28 2011-07-14 Toshiba Corp タービン動翼翼列および蒸気タービン

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH385890A (de) * 1959-05-11 1964-12-31 Gen Electric Turbomaschinenschaufel mit Verbindungsansätzen und Verfahren zur Herstellung einer solchen
US3719432A (en) * 1971-04-23 1973-03-06 Gen Electric Articulated sleeve for turbine bucket lashing
CH620739A5 (en) 1977-01-21 1980-12-15 Escher Wyss Ag Blade ring of a hydraulic machine, with fixed blades
US5695323A (en) 1996-04-19 1997-12-09 Westinghouse Electric Corporation Aerodynamically optimized mid-span snubber for combustion turbine blade
US6341941B1 (en) * 1997-09-05 2002-01-29 Hitachi, Ltd. Steam turbine
US8118557B2 (en) 2009-03-25 2012-02-21 General Electric Company Steam turbine rotating blade of 52 inch active length for steam turbine low pressure application
US8540488B2 (en) * 2009-12-14 2013-09-24 Siemens Energy, Inc. Turbine blade damping device with controlled loading

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214107A (en) * 1975-07-24 1977-02-02 Mitsubishi Heavy Ind Ltd Turbine blade construction for preventing break down due to vibration
JPS5397203U (enExample) * 1977-01-11 1978-08-07
JPS53162202U (enExample) * 1977-05-26 1978-12-19
JPS5430107U (enExample) * 1977-08-02 1979-02-27
US5248241A (en) * 1991-10-21 1993-09-28 Southern California Edison Co. Components made of hardenable and non-hardenable materials
JP2005127264A (ja) * 2003-10-27 2005-05-19 Mitsubishi Heavy Ind Ltd 機械駆動用タービンの動翼群および機械駆動用タービン
JP2008002439A (ja) * 2006-06-26 2008-01-10 Toshiba Corp タービン動翼およびその組立方法
JP2009007981A (ja) * 2007-06-27 2009-01-15 Toshiba Corp 蒸気タービン用長動翼翼列の中間固定支持構造及び蒸気タービン
JP2010096180A (ja) * 2008-10-14 2010-04-30 General Electric Co <Ge> 蒸気タービンエンジンの低圧セクション用の蒸気タービン動翼
JP2011137424A (ja) * 2009-12-28 2011-07-14 Toshiba Corp タービン動翼翼列および蒸気タービン

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020115010A (ja) * 2018-12-28 2020-07-30 ゼネラル・エレクトリック・カンパニイ タービンエンジン用のハイブリッドロータブレード
JP7486942B2 (ja) 2018-12-28 2024-05-20 ゼネラル エレクトリック テクノロジー ゲゼルシャフト ミット ベシュレンクテル ハフツング タービンエンジン用のハイブリッドロータブレード
JP2021173281A (ja) * 2020-04-17 2021-11-01 ゼネラル・エレクトリック・カンパニイ キャビティダンピングを用いた翼形部

Also Published As

Publication number Publication date
CN204476482U (zh) 2015-07-15
US9719355B2 (en) 2017-08-01
CH709034A2 (de) 2015-06-30
DE102014118423A1 (de) 2015-06-25
US20150176411A1 (en) 2015-06-25

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