IT7827130A0 - Sistema di raffreddamento delle sommita' di palette di turbine. - Google Patents

Sistema di raffreddamento delle sommita' di palette di turbine.

Info

Publication number
IT7827130A0
IT7827130A0 IT7827130A IT2713078A IT7827130A0 IT 7827130 A0 IT7827130 A0 IT 7827130A0 IT 7827130 A IT7827130 A IT 7827130A IT 2713078 A IT2713078 A IT 2713078A IT 7827130 A0 IT7827130 A0 IT 7827130A0
Authority
IT
Italy
Prior art keywords
cooling system
turbine blade
blade top
top cooling
turbine
Prior art date
Application number
IT7827130A
Other languages
English (en)
Other versions
IT1098754B (it
Original Assignee
Gen Eletric 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 Gen Eletric Co filed Critical Gen Eletric Co
Publication of IT7827130A0 publication Critical patent/IT7827130A0/it
Application granted granted Critical
Publication of IT1098754B publication Critical patent/IT1098754B/it

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/14Form or construction
    • F01D5/20Specially-shaped blade tips to seal space between tips and stator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/14Form or construction
    • F01D5/18Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • F01D5/187Convection cooling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/20Heat transfer, e.g. cooling
    • F05D2260/204Heat transfer, e.g. cooling by the use of microcircuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
IT27130/78A 1977-09-02 1978-08-30 Sistema di raffreddamento delle sommita' di palette di turbina IT1098754B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/830,267 US4142824A (en) 1977-09-02 1977-09-02 Tip cooling for turbine blades

Publications (2)

Publication Number Publication Date
IT7827130A0 true IT7827130A0 (it) 1978-08-30
IT1098754B IT1098754B (it) 1985-09-18

Family

ID=25256641

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27130/78A IT1098754B (it) 1977-09-02 1978-08-30 Sistema di raffreddamento delle sommita' di palette di turbina

Country Status (6)

Country Link
US (1) US4142824A (it)
JP (1) JPS5452215A (it)
DE (1) DE2837123C2 (it)
FR (1) FR2402060A1 (it)
GB (1) GB1601422A (it)
IT (1) IT1098754B (it)

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US6971851B2 (en) * 2003-03-12 2005-12-06 Florida Turbine Technologies, Inc. Multi-metered film cooled blade tip
US6916150B2 (en) * 2003-11-26 2005-07-12 Siemens Westinghouse Power Corporation Cooling system for a tip of a turbine blade
US7104762B2 (en) * 2004-01-06 2006-09-12 General Electric Company Reduced weight control stage for a high temperature steam turbine
GB2413160B (en) * 2004-04-17 2006-08-09 Rolls Royce Plc Turbine rotor blades
FR2870560B1 (fr) * 2004-05-18 2006-08-25 Snecma Moteurs Sa Circuit de refroidissement a cavite a rapport de forme eleve pour aube de turbine a gaz
US7118342B2 (en) * 2004-09-09 2006-10-10 General Electric Company Fluted tip turbine blade
US7510376B2 (en) * 2005-08-25 2009-03-31 General Electric Company Skewed tip hole turbine blade
US7351036B2 (en) * 2005-12-02 2008-04-01 Siemens Power Generation, Inc. Turbine airfoil cooling system with elbowed, diffusion film cooling hole
US7287959B2 (en) * 2005-12-05 2007-10-30 General Electric Company Blunt tip turbine blade
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US8632311B2 (en) * 2006-08-21 2014-01-21 General Electric Company Flared tip turbine blade
US8512003B2 (en) * 2006-08-21 2013-08-20 General Electric Company Tip ramp turbine blade
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US7686578B2 (en) * 2006-08-21 2010-03-30 General Electric Company Conformal tip baffle airfoil
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US10107108B2 (en) 2015-04-29 2018-10-23 General Electric Company Rotor blade having a flared tip
US9938899B2 (en) 2015-06-15 2018-04-10 General Electric Company Hot gas path component having cast-in features for near wall cooling
US9897006B2 (en) * 2015-06-15 2018-02-20 General Electric Company Hot gas path component cooling system having a particle collection chamber
US9970302B2 (en) 2015-06-15 2018-05-15 General Electric Company Hot gas path component trailing edge having near wall cooling features
US9828915B2 (en) 2015-06-15 2017-11-28 General Electric Company Hot gas path component having near wall cooling features
US10344605B2 (en) 2016-07-06 2019-07-09 Mechanical Dynamics & Analysis Llc Spall break for turbine component coatings
FR3067405B1 (fr) * 2017-06-13 2020-08-14 Safran Aircraft Engines Turbomachine et procede d'etancheite par soufflage d'air
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US11480057B2 (en) * 2017-10-24 2022-10-25 Raytheon Technologies Corporation Airfoil cooling circuit
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BE552972A (it) * 1955-11-28
US3533712A (en) * 1966-02-26 1970-10-13 Gen Electric Cooled vane structure for high temperature turbines
US3628885A (en) * 1969-10-01 1971-12-21 Gen Electric Fluid-cooled airfoil
FR2106925A5 (it) * 1970-09-29 1972-05-05 Daimler Benz Ag
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US3810711A (en) * 1972-09-22 1974-05-14 Gen Motors Corp Cooled turbine blade and its manufacture
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FR2313551A1 (fr) * 1975-06-02 1976-12-31 United Technologies Corp Refroidissement d'une aube de turbine
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US3982851A (en) * 1975-09-02 1976-09-28 General Electric Company Tip cap apparatus

Also Published As

Publication number Publication date
JPS616241B2 (it) 1986-02-25
FR2402060A1 (fr) 1979-03-30
IT1098754B (it) 1985-09-18
DE2837123C2 (de) 1987-03-05
DE2837123A1 (de) 1979-03-15
FR2402060B1 (it) 1985-03-08
US4142824A (en) 1979-03-06
JPS5452215A (en) 1979-04-24
GB1601422A (en) 1981-10-28

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