TWI256435B - Cooled rotor blade with vibration damping device - Google Patents

Cooled rotor blade with vibration damping device

Info

Publication number
TWI256435B
TWI256435B TW093135895A TW93135895A TWI256435B TW I256435 B TWI256435 B TW I256435B TW 093135895 A TW093135895 A TW 093135895A TW 93135895 A TW93135895 A TW 93135895A TW I256435 B TWI256435 B TW I256435B
Authority
TW
Taiwan
Prior art keywords
cavity portion
rotor blade
vibration damping
damping device
channel
Prior art date
Application number
TW093135895A
Other languages
English (en)
Other versions
TW200523457A (en
Inventor
Shawn J Gregg
Dominic J Mongillo Jr
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Publication of TW200523457A publication Critical patent/TW200523457A/zh
Application granted granted Critical
Publication of TWI256435B publication Critical patent/TWI256435B/zh

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
    • F01D5/14—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
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
    • 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
    • F01D5/26—Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials
    • 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
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • F05D2240/126—Baffles or ribs
    • 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
    • F05D2240/307—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 tip 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
    • 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
    • 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
    • Y10S416/50—Vibration damping features

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
TW093135895A 2003-12-19 2004-11-22 Cooled rotor blade with vibration damping device TWI256435B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/741,106 US6929451B2 (en) 2003-12-19 2003-12-19 Cooled rotor blade with vibration damping device

Publications (2)

Publication Number Publication Date
TW200523457A TW200523457A (en) 2005-07-16
TWI256435B true TWI256435B (en) 2006-06-11

Family

ID=34523219

Family Applications (1)

Application Number Title Priority Date Filing Date
TW093135895A TWI256435B (en) 2003-12-19 2004-11-22 Cooled rotor blade with vibration damping device

Country Status (10)

Country Link
US (1) US6929451B2 (zh)
EP (1) EP1544413B1 (zh)
JP (1) JP4035131B2 (zh)
KR (1) KR100688416B1 (zh)
AU (1) AU2004240221B2 (zh)
CA (1) CA2486988A1 (zh)
IL (1) IL165473A0 (zh)
NO (1) NO20045512L (zh)
SG (1) SG112991A1 (zh)
TW (1) TWI256435B (zh)

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* Cited by examiner, † Cited by third party
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EP1512489B1 (de) * 2003-09-05 2006-12-20 Siemens Aktiengesellschaft Schaufel einer Turbine
US7217093B2 (en) * 2004-05-27 2007-05-15 United Technologies Corporation Rotor blade with a stick damper
US7575414B2 (en) * 2005-04-01 2009-08-18 General Electric Company Turbine nozzle with trailing edge convection and film cooling
US7572102B1 (en) 2006-09-20 2009-08-11 Florida Turbine Technologies, Inc. Large tapered air cooled turbine blade
US9133715B2 (en) * 2006-09-20 2015-09-15 United Technologies Corporation Structural members in a pedestal array
US7736124B2 (en) * 2007-04-10 2010-06-15 General Electric Company Damper configured turbine blade
US7824158B2 (en) * 2007-06-25 2010-11-02 General Electric Company Bimaterial turbine blade damper
US8070441B1 (en) 2007-07-20 2011-12-06 Florida Turbine Technologies, Inc. Turbine airfoil with trailing edge cooling channels
US8267662B2 (en) * 2007-12-13 2012-09-18 General Electric Company Monolithic and bi-metallic turbine blade dampers and method of manufacture
EP2252771A1 (de) * 2008-03-07 2010-11-24 ALSTOM Technology Ltd Schaufel für eine gasturbine
US20090301055A1 (en) * 2008-06-04 2009-12-10 United Technologies Corp. Gas Turbine Engine Systems and Methods Involving Vibration Monitoring
GB2468528B (en) 2009-03-13 2011-03-30 Rolls Royce Plc Vibration damper
EP2559854A1 (de) * 2011-08-18 2013-02-20 Siemens Aktiengesellschaft Innenkühlbares Bauteil für eine Gasturbine mit zumindest einem Kühlkanal
US8882461B2 (en) * 2011-09-12 2014-11-11 Honeywell International Inc. Gas turbine engines with improved trailing edge cooling arrangements
US8858159B2 (en) * 2011-10-28 2014-10-14 United Technologies Corporation Gas turbine engine component having wavy cooling channels with pedestals
US20130243575A1 (en) * 2012-03-13 2013-09-19 United Technologies Corporation Cooling pedestal array
US9328617B2 (en) * 2012-03-20 2016-05-03 United Technologies Corporation Trailing edge or tip flag antiflow separation
EP2682565B8 (en) * 2012-07-02 2016-09-21 General Electric Technology GmbH Cooled blade for a gas turbine
EP2692991A1 (en) * 2012-08-01 2014-02-05 Siemens Aktiengesellschaft Cooling of turbine blades or vanes
GB201217125D0 (en) * 2012-09-26 2012-11-07 Rolls Royce Plc Gas turbine engine component
EP2989296A4 (en) * 2013-04-23 2016-12-07 United Technologies Corp INTERIOR STEAMED PROFILED COMPONENT AND METHOD
US9732617B2 (en) 2013-11-26 2017-08-15 General Electric Company Cooled airfoil trailing edge and method of cooling the airfoil trailing edge
US20160169004A1 (en) 2014-12-15 2016-06-16 United Technologies Corporation Cooling passages for gas turbine engine component
GB201514793D0 (en) * 2015-08-20 2015-10-07 Rolls Royce Plc Cooling of turbine blades and method for turbine blade manufacture
US10337332B2 (en) * 2016-02-25 2019-07-02 United Technologies Corporation Airfoil having pedestals in trailing edge cavity
US11371358B2 (en) 2020-02-19 2022-06-28 General Electric Company Turbine damper
US11352902B2 (en) * 2020-08-27 2022-06-07 Aytheon Technologies Corporation Cooling arrangement including alternating pedestals for gas turbine engine components
US11739645B2 (en) 2020-09-30 2023-08-29 General Electric Company Vibrational dampening elements
CN112392550B (zh) * 2020-11-17 2021-09-28 上海交通大学 涡轮叶片尾缘针肋冷却结构及冷却方法、涡轮叶片
CN116950724B (zh) * 2023-09-20 2024-01-09 中国航发四川燃气涡轮研究院 一种应用于涡轮叶片尾缘的内部冷却结构及其设计方法

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Publication number Priority date Publication date Assignee Title
US2848192A (en) * 1953-03-12 1958-08-19 Gen Motors Corp Multi-piece hollow turbine bucket
US5558497A (en) * 1995-07-31 1996-09-24 United Technologies Corporation Airfoil vibration damping device
US5820343A (en) * 1995-07-31 1998-10-13 United Technologies Corporation Airfoil vibration damping device
JPH10212903A (ja) 1997-01-28 1998-08-11 Mitsubishi Heavy Ind Ltd ガスタービン翼
US5975851A (en) * 1997-12-17 1999-11-02 United Technologies Corporation Turbine blade with trailing edge root section cooling
US6468669B1 (en) * 1999-05-03 2002-10-22 General Electric Company Article having turbulation and method of providing turbulation on an article
US6402470B1 (en) * 1999-10-05 2002-06-11 United Technologies Corporation Method and apparatus for cooling a wall within a gas turbine engine
EP1136651A1 (de) 2000-03-22 2001-09-26 Siemens Aktiengesellschaft Kühlsystem für eine Turbinenschaufel

Also Published As

Publication number Publication date
US20050135933A1 (en) 2005-06-23
US6929451B2 (en) 2005-08-16
NO20045512L (no) 2005-06-20
SG112991A1 (en) 2005-07-28
IL165473A0 (en) 2006-01-15
CA2486988A1 (en) 2005-06-19
TW200523457A (en) 2005-07-16
EP1544413A3 (en) 2008-11-26
EP1544413B1 (en) 2011-10-12
AU2004240221B2 (en) 2007-02-08
KR20050062373A (ko) 2005-06-23
JP2005201253A (ja) 2005-07-28
AU2004240221A1 (en) 2005-07-07
KR100688416B1 (ko) 2007-03-02
JP4035131B2 (ja) 2008-01-16
EP1544413A2 (en) 2005-06-22

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees