EP2286938A3 - Feuerfester Metallkern für in einem Stück gegossene Ausgangsrinne - Google Patents

Feuerfester Metallkern für in einem Stück gegossene Ausgangsrinne Download PDF

Info

Publication number
EP2286938A3
EP2286938A3 EP10251009.6A EP10251009A EP2286938A3 EP 2286938 A3 EP2286938 A3 EP 2286938A3 EP 10251009 A EP10251009 A EP 10251009A EP 2286938 A3 EP2286938 A3 EP 2286938A3
Authority
EP
European Patent Office
Prior art keywords
refractory metal
metal core
integrally cast
exit trench
edge
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Withdrawn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
EP10251009.6A
Other languages
English (en)
French (fr)
Other versions
EP2286938A2 (de
Inventor
Eric A. Hudson
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.)
RTX Corp
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 EP2286938A2 publication Critical patent/EP2286938A2/de
Publication of EP2286938A3 publication Critical patent/EP2286938A3/de
Withdrawn legal-status Critical Current

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • 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
    • F01D5/186—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
    • F05D2230/00—Manufacture
    • F05D2230/20—Manufacture essentially without removing material
    • F05D2230/21—Manufacture essentially without removing material by casting
    • 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
    • F05D2240/80—Platforms for stationary or moving blades
    • F05D2240/81—Cooled platforms
    • 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP10251009.6A 2009-07-27 2010-05-26 Feuerfester Metallkern für in einem Stück gegossene Ausgangsrinne Withdrawn EP2286938A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US12/509,608 US20110020115A1 (en) 2009-07-27 2009-07-27 Refractory metal core integrally cast exit trench

Publications (2)

Publication Number Publication Date
EP2286938A2 EP2286938A2 (de) 2011-02-23
EP2286938A3 true EP2286938A3 (de) 2015-02-25

Family

ID=42614052

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10251009.6A Withdrawn EP2286938A3 (de) 2009-07-27 2010-05-26 Feuerfester Metallkern für in einem Stück gegossene Ausgangsrinne

Country Status (2)

Country Link
US (1) US20110020115A1 (de)
EP (1) EP2286938A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8347945B1 (en) 2011-07-29 2013-01-08 United Technologies Corporation Platform interconnected with mid-body core interface for molding airfoil platforms
US20140064984A1 (en) * 2012-08-31 2014-03-06 General Electric Company Cooling arrangement for platform region of turbine rotor blade
US10329916B2 (en) 2014-05-01 2019-06-25 United Technologies Corporation Splayed tip features for gas turbine engine airfoil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163218A (en) * 1981-07-07 1986-02-19 Rolls Royce Cooled vane or blade for a gas turbine engine
EP1321628A2 (de) * 2001-12-12 2003-06-25 General Electric Company Turbinenleitschaufel einer Gasturbine und deren Herstellungsmethode
EP1927414A2 (de) * 2006-11-30 2008-06-04 United Technologies Corporation RMC-definierte Spitzenblasungsschlitze für Turbinenschaufeln

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7108045B2 (en) * 2004-09-09 2006-09-19 United Technologies Corporation Composite core for use in precision investment casting
US8157504B2 (en) * 2009-04-17 2012-04-17 General Electric Company Rotor blades for turbine engines

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2163218A (en) * 1981-07-07 1986-02-19 Rolls Royce Cooled vane or blade for a gas turbine engine
EP1321628A2 (de) * 2001-12-12 2003-06-25 General Electric Company Turbinenleitschaufel einer Gasturbine und deren Herstellungsmethode
EP1927414A2 (de) * 2006-11-30 2008-06-04 United Technologies Corporation RMC-definierte Spitzenblasungsschlitze für Turbinenschaufeln

Also Published As

Publication number Publication date
EP2286938A2 (de) 2011-02-23
US20110020115A1 (en) 2011-01-27

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