DE102014119693B4 - Turbinenschaufel mit hohlem schaufelblatt mit inneren rippen und kühlkanälen - Google Patents

Turbinenschaufel mit hohlem schaufelblatt mit inneren rippen und kühlkanälen Download PDF

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Publication number
DE102014119693B4
DE102014119693B4 DE102014119693.7A DE102014119693A DE102014119693B4 DE 102014119693 B4 DE102014119693 B4 DE 102014119693B4 DE 102014119693 A DE102014119693 A DE 102014119693A DE 102014119693 B4 DE102014119693 B4 DE 102014119693B4
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DE
Germany
Prior art keywords
flow passage
wall
turbine blade
hole
mouth
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
Application number
DE102014119693.7A
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German (de)
English (en)
Other versions
DE102014119693A1 (de
Inventor
Stephen Paul Wassynger
Aaron Ezekiel Smith
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.)
GE Vernova GmbH
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 DE102014119693A1 publication Critical patent/DE102014119693A1/de
Application granted granted Critical
Publication of DE102014119693B4 publication Critical patent/DE102014119693B4/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • 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
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187—Convection cooling
    • F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/305—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the pressure side of a rotor blade
    • 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
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/306—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the suction side of a rotor blade
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/711—Shape curved convex
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/712—Shape curved concave
    • 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
    • F05D2250/70—Shape
    • F05D2250/71—Shape curved
    • F05D2250/713—Shape curved inflexed
    • 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
    • F05D2250/70—Shape
    • F05D2250/75—Shape given by its similarity to a letter, e.g. T-shaped
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/201—Heat transfer, e.g. cooling by impingement of a fluid
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/202—Heat transfer, e.g. cooling by film cooling
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2212—Improvement of heat transfer by creating turbulence
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/221—Improvement of heat transfer
    • F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
    • F05D2260/22141—Improvement of heat transfer by increasing the heat transfer surface using fins or ribs
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
DE102014119693.7A 2013-12-30 2014-12-29 Turbinenschaufel mit hohlem schaufelblatt mit inneren rippen und kühlkanälen Expired - Fee Related DE102014119693B4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/143,599 2013-12-30
US14/143,599 US9528381B2 (en) 2013-12-30 2013-12-30 Structural configurations and cooling circuits in turbine blades

Publications (2)

Publication Number Publication Date
DE102014119693A1 DE102014119693A1 (de) 2015-07-02
DE102014119693B4 true DE102014119693B4 (de) 2024-03-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
DE102014119693.7A Expired - Fee Related DE102014119693B4 (de) 2013-12-30 2014-12-29 Turbinenschaufel mit hohlem schaufelblatt mit inneren rippen und kühlkanälen

Country Status (4)

Country Link
US (1) US9528381B2 (enExample)
JP (1) JP6435188B2 (enExample)
CH (1) CH709089A2 (enExample)
DE (1) DE102014119693B4 (enExample)

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US9850763B2 (en) * 2015-07-29 2017-12-26 General Electric Company Article, airfoil component and method for forming article
US10605090B2 (en) * 2016-05-12 2020-03-31 General Electric Company Intermediate central passage spanning outer walls aft of airfoil leading edge passage
US10053990B2 (en) * 2016-05-12 2018-08-21 General Electric Company Internal rib with defined concave surface curvature for airfoil
US20190309631A1 (en) * 2018-04-04 2019-10-10 United Technologies Corporation Airfoil having leading edge cooling scheme with backstrike compensation
US10828718B2 (en) * 2018-06-14 2020-11-10 Raytheon Technologies Corporation Installation of waterjet vent holes into vertical walls of cavity-back airfoils
US10919116B2 (en) 2018-06-14 2021-02-16 Raytheon Technologies Corporation Installation of laser vent holes into vertical walls of cavity-back airfoils
US12000305B2 (en) * 2019-11-13 2024-06-04 Rtx Corporation Airfoil with ribs defining shaped cooling channel
CN112922676B (zh) * 2021-02-04 2023-03-24 大连理工大学 一种涡轮叶片内部背盆回转式冷却通道
GB2632332A (en) * 2023-08-04 2025-02-05 Siemens Energy Global Gmbh & Co Kg Double wall component with hole

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68907527T2 (de) 1988-06-13 1993-10-28 Rolls Royce Plc Laser-Bohren von Bauteilen.

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US5383766A (en) * 1990-07-09 1995-01-24 United Technologies Corporation Cooled vane
EP0905353B1 (de) * 1997-09-30 2003-01-15 ALSTOM (Switzerland) Ltd Prallanordnung für ein konvektives Kühl- oder Heizverfahren
US6183198B1 (en) * 1998-11-16 2001-02-06 General Electric Company Airfoil isolated leading edge cooling
JP2002242607A (ja) * 2001-02-20 2002-08-28 Mitsubishi Heavy Ind Ltd ガスタービン冷却翼
US7097426B2 (en) * 2004-04-08 2006-08-29 General Electric Company Cascade impingement cooled airfoil
US7018176B2 (en) 2004-05-06 2006-03-28 United Technologies Corporation Cooled turbine airfoil
US7128533B2 (en) * 2004-09-10 2006-10-31 Siemens Power Generation, Inc. Vortex cooling system for a turbine blade
US7293961B2 (en) * 2005-12-05 2007-11-13 General Electric Company Zigzag cooled turbine airfoil
US7866948B1 (en) * 2006-08-16 2011-01-11 Florida Turbine Technologies, Inc. Turbine airfoil with near-wall impingement and vortex cooling
US7690892B1 (en) * 2006-11-16 2010-04-06 Florida Turbine Technologies, Inc. Turbine airfoil with multiple impingement cooling circuit
US7717676B2 (en) * 2006-12-11 2010-05-18 United Technologies Corporation High aspect ratio blade main core modifications for peripheral serpentine microcircuits
US8525073B2 (en) 2010-01-27 2013-09-03 United Technologies Corporation Depth and breakthrough detection for laser machining
US8535004B2 (en) * 2010-03-26 2013-09-17 Siemens Energy, Inc. Four-wall turbine airfoil with thermal strain control for reduced cycle fatigue
JP5787555B2 (ja) * 2011-03-07 2015-09-30 三菱日立パワーシステムズ株式会社 ガスタービン部材の製造方法
GB201115354D0 (en) 2011-09-06 2011-10-19 Rolls Royce Plc Method of drilling through a wall of a hollow component

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68907527T2 (de) 1988-06-13 1993-10-28 Rolls Royce Plc Laser-Bohren von Bauteilen.

Also Published As

Publication number Publication date
US20150184523A1 (en) 2015-07-02
JP2015127542A (ja) 2015-07-09
DE102014119693A1 (de) 2015-07-02
JP6435188B2 (ja) 2018-12-05
CH709089A2 (de) 2015-06-30
US9528381B2 (en) 2016-12-27

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Representative=s name: RUEGER | ABEL PATENT- UND RECHTSANWAELTE, DE

Representative=s name: RUEGER, BARTHELT & ABEL, DE

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R012 Request for examination validly filed
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R018 Grant decision by examination section/examining division
R081 Change of applicant/patentee

Owner name: GENERAL ELECTRIC TECHNOLOGY GMBH, CH

Free format text: FORMER OWNER: GENERAL ELECTRIC COMPANY, SCHENECTADY, N.Y., US

R020 Patent grant now final
R119 Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee