DE102014118423A1 - Schaufel für drehende Maschine mit asymmetrischem Teillängen-Mantel und Verfahren zur Herstellung derselben - Google Patents

Schaufel für drehende Maschine mit asymmetrischem Teillängen-Mantel und Verfahren zur Herstellung derselben Download PDF

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Publication number
DE102014118423A1
DE102014118423A1 DE102014118423.8A DE102014118423A DE102014118423A1 DE 102014118423 A1 DE102014118423 A1 DE 102014118423A1 DE 102014118423 A DE102014118423 A DE 102014118423A DE 102014118423 A1 DE102014118423 A1 DE 102014118423A1
Authority
DE
Germany
Prior art keywords
suction
point
pressure
wing surface
blade
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.)
Withdrawn
Application number
DE102014118423.8A
Other languages
German (de)
English (en)
Inventor
Rohit Chouhan
Sumeet Soni
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 DE102014118423A1 publication Critical patent/DE102014118423A1/de
Withdrawn legal-status Critical Current

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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)
DE102014118423.8A 2013-12-20 2014-12-11 Schaufel für drehende Maschine mit asymmetrischem Teillängen-Mantel und Verfahren zur Herstellung derselben Withdrawn DE102014118423A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/135,884 2013-12-20
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

Publications (1)

Publication Number Publication Date
DE102014118423A1 true DE102014118423A1 (de) 2015-06-25

Family

ID=53275477

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102014118423.8A Withdrawn DE102014118423A1 (de) 2013-12-20 2014-12-11 Schaufel für drehende Maschine mit asymmetrischem Teillängen-Mantel und Verfahren zur Herstellung derselben

Country Status (5)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10731471B2 (en) * 2018-12-28 2020-08-04 General Electric Company Hybrid rotor blades for turbine engines
US11339666B2 (en) * 2020-04-17 2022-05-24 General Electric Company Airfoil with cavity damping
US11608747B2 (en) * 2021-01-07 2023-03-21 General Electric Company Split shroud for vibration reduction

Family Cites Families (17)

* 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
JPS5214107A (en) * 1975-07-24 1977-02-02 Mitsubishi Heavy Ind Ltd Turbine blade construction for preventing break down due to vibration
JPS5397203U (https=) * 1977-01-11 1978-08-07
CH620739A5 (en) 1977-01-21 1980-12-15 Escher Wyss Ag Blade ring of a hydraulic machine, with fixed blades
JPS53162202U (https=) * 1977-05-26 1978-12-19
JPS5430107U (https=) * 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
US5695323A (en) 1996-04-19 1997-12-09 Westinghouse Electric Corporation Aerodynamically optimized mid-span snubber for combustion turbine blade
WO1999013200A1 (en) * 1997-09-05 1999-03-18 Hitachi, Ltd. Steam turbine
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
US8075272B2 (en) * 2008-10-14 2011-12-13 General Electric Company Steam turbine rotating blade for a low pressure section of a steam turbine engine
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
JP5558095B2 (ja) 2009-12-28 2014-07-23 株式会社東芝 タービン動翼翼列および蒸気タービン

Also Published As

Publication number Publication date
US9719355B2 (en) 2017-08-01
CN204476482U (zh) 2015-07-15
CH709034A2 (de) 2015-06-30
US20150176411A1 (en) 2015-06-25
JP2015121221A (ja) 2015-07-02

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R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee