BR0003160A - Refrigeração de aerofólio resistente à poeira - Google Patents

Refrigeração de aerofólio resistente à poeira

Info

Publication number
BR0003160A
BR0003160A BR0003160-7A BR0003160A BR0003160A BR 0003160 A BR0003160 A BR 0003160A BR 0003160 A BR0003160 A BR 0003160A BR 0003160 A BR0003160 A BR 0003160A
Authority
BR
Brazil
Prior art keywords
pitch line
longitudinally
diametrical pitch
dust
slits
Prior art date
Application number
BR0003160-7A
Other languages
English (en)
Portuguese (pt)
Inventor
Bhanu Mahasamudram Reddy
Original Assignee
Gen Electric
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 Electric filed Critical Gen Electric
Publication of BR0003160A publication Critical patent/BR0003160A/pt

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
    • 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)
BR0003160-7A 1999-07-26 2000-07-26 Refrigeração de aerofólio resistente à poeira BR0003160A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/360,923 US6164913A (en) 1999-07-26 1999-07-26 Dust resistant airfoil cooling

Publications (1)

Publication Number Publication Date
BR0003160A true BR0003160A (pt) 2001-03-13

Family

ID=23419948

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0003160-7A BR0003160A (pt) 1999-07-26 2000-07-26 Refrigeração de aerofólio resistente à poeira

Country Status (6)

Country Link
US (1) US6164913A (enExample)
EP (1) EP1072757B1 (enExample)
JP (1) JP4666729B2 (enExample)
BR (1) BR0003160A (enExample)
CA (1) CA2313932C (enExample)
DE (1) DE60019376T2 (enExample)

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1319140B1 (it) * 2000-11-28 2003-09-23 Nuovo Pignone Spa Sistema di refrigerazione per ugelli statorici di turbine a gas
DE60041774D1 (de) * 2000-12-05 2009-04-23 United Technologies Corp Rotorschaufel
DE50208671D1 (de) 2001-07-13 2006-12-21 Alstom Technology Ltd Gasturbinenteil mit Kühlluftbohrung
JP4798416B2 (ja) * 2001-08-09 2011-10-19 株式会社Ｉｈｉ タービン翼部品
FR2858352B1 (fr) * 2003-08-01 2006-01-20 Snecma Moteurs Circuit de refroidissement pour aube de turbine
US7021893B2 (en) * 2004-01-09 2006-04-04 United Technologies Corporation Fanned trailing edge teardrop array
US7118337B2 (en) * 2004-06-17 2006-10-10 Siemens Power Generation, Inc. Gas turbine airfoil trailing edge corner
US7097419B2 (en) 2004-07-26 2006-08-29 General Electric Company Common tip chamber blade
US7246999B2 (en) * 2004-10-06 2007-07-24 General Electric Company Stepped outlet turbine airfoil
US7377747B2 (en) * 2005-06-06 2008-05-27 General Electric Company Turbine airfoil with integrated impingement and serpentine cooling circuit
US7244101B2 (en) * 2005-10-04 2007-07-17 General Electric Company Dust resistant platform blade
US7387492B2 (en) * 2005-12-20 2008-06-17 General Electric Company Methods and apparatus for cooling turbine blade trailing edges
US7572102B1 (en) 2006-09-20 2009-08-11 Florida Turbine Technologies, Inc. Large tapered air cooled turbine blade
US7641445B1 (en) 2006-12-01 2010-01-05 Florida Turbine Technologies, Inc. Large tapered rotor blade with near wall cooling
US7712316B2 (en) * 2007-01-09 2010-05-11 United Technologies Corporation Turbine blade with reverse cooling air film hole direction
US7780414B1 (en) 2007-01-17 2010-08-24 Florida Turbine Technologies, Inc. Turbine blade with multiple metering trailing edge cooling holes
US7845906B2 (en) * 2007-01-24 2010-12-07 United Technologies Corporation Dual cut-back trailing edge for airfoils
JP2008248733A (ja) * 2007-03-29 2008-10-16 Mitsubishi Heavy Ind Ltd ガスタービン用高温部材
US7955053B1 (en) 2007-09-21 2011-06-07 Florida Turbine Technologies, Inc. Turbine blade with serpentine cooling circuit
US7934906B2 (en) * 2007-11-14 2011-05-03 Siemens Energy, Inc. Turbine blade tip cooling system
US10286407B2 (en) 2007-11-29 2019-05-14 General Electric Company Inertial separator
JP5254675B2 (ja) * 2008-06-16 2013-08-07 三菱重工業株式会社 タービン翼製造用中子およびタービン翼の製造方法
US8348614B2 (en) 2008-07-14 2013-01-08 United Technologies Corporation Coolable airfoil trailing edge passage
GB2466791B (en) * 2009-01-07 2011-05-18 Rolls Royce Plc An aerofoil
FR2943092B1 (fr) * 2009-03-13 2011-04-15 Snecma Aube de turbine avec un trou de depoussierage en base de pale
US8231350B1 (en) * 2009-07-09 2012-07-31 Florida Turbine Technologies, Inc. Turbine rotor blade
US20110097191A1 (en) * 2009-10-28 2011-04-28 General Electric Company Method and structure for cooling airfoil surfaces using asymmetric chevron film holes
US8529194B2 (en) * 2010-05-19 2013-09-10 General Electric Company Shank cavity and cooling hole
US8790084B2 (en) * 2011-10-31 2014-07-29 General Electric Company Airfoil and method of fabricating the same
CA2949547A1 (en) 2014-05-29 2016-02-18 General Electric Company Turbine engine and particle separators therefore
US9915176B2 (en) 2014-05-29 2018-03-13 General Electric Company Shroud assembly for turbine engine
US11033845B2 (en) 2014-05-29 2021-06-15 General Electric Company Turbine engine and particle separators therefore
US10975731B2 (en) 2014-05-29 2021-04-13 General Electric Company Turbine engine, components, and methods of cooling same
US10167725B2 (en) 2014-10-31 2019-01-01 General Electric Company Engine component for a turbine engine
US10036319B2 (en) 2014-10-31 2018-07-31 General Electric Company Separator assembly for a gas turbine engine
US10428664B2 (en) 2015-10-15 2019-10-01 General Electric Company Nozzle for a gas turbine engine
US9988936B2 (en) 2015-10-15 2018-06-05 General Electric Company Shroud assembly for a gas turbine engine
US10174620B2 (en) 2015-10-15 2019-01-08 General Electric Company Turbine blade
US10704425B2 (en) 2016-07-14 2020-07-07 General Electric Company Assembly for a gas turbine engine
US10577954B2 (en) 2017-03-27 2020-03-03 Honeywell International Inc. Blockage-resistant vane impingement tubes and turbine nozzles containing the same
US10787932B2 (en) * 2018-07-13 2020-09-29 Honeywell International Inc. Turbine blade with dust tolerant cooling system
US11131213B2 (en) 2020-01-03 2021-09-28 General Electric Company Engine component with cooling hole

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045965A (en) * 1959-04-27 1962-07-24 Rolls Royce Turbine blades, vanes and the like
GB2121483B (en) * 1982-06-08 1985-02-13 Rolls Royce Cooled turbine blade for a gas turbine engine
US4820122A (en) * 1988-04-25 1989-04-11 United Technologies Corporation Dirt removal means for air cooled blades
GB2227965B (en) * 1988-10-12 1993-02-10 Rolls Royce Plc Apparatus for drilling a shaped hole in a workpiece
GB2228540B (en) * 1988-12-07 1993-03-31 Rolls Royce Plc Cooling of turbine blades
US5176499A (en) * 1991-06-24 1993-01-05 General Electric Company Photoetched cooling slots for diffusion bonded airfoils
US5378108A (en) * 1994-03-25 1995-01-03 United Technologies Corporation Cooled turbine blade
US5503529A (en) * 1994-12-08 1996-04-02 General Electric Company Turbine blade having angled ejection slot
JP3786458B2 (ja) * 1996-01-19 2006-06-14 株式会社東芝 軸流タービン翼
JPH09280003A (ja) * 1996-04-16 1997-10-28 Toshiba Corp ガスタービン冷却動翼

Also Published As

Publication number Publication date
JP2001055901A (ja) 2001-02-27
CA2313932A1 (en) 2001-01-26
CA2313932C (en) 2006-10-10
DE60019376D1 (de) 2005-05-19
US6164913A (en) 2000-12-26
EP1072757A1 (en) 2001-01-31
JP4666729B2 (ja) 2011-04-06
EP1072757B1 (en) 2005-04-13
DE60019376T2 (de) 2006-01-26

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Legal Events

Date Code Title Description
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 26/07/2000, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time
B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2472 DE 22-05-2018 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.