EP4698341A1 - Durch metallgiessen hergestellter schaufelrohling eines turbinentriebwerks und verfahren zur herstellung solch eines rohlings - Google Patents

Durch metallgiessen hergestellter schaufelrohling eines turbinentriebwerks und verfahren zur herstellung solch eines rohlings

Info

Publication number
EP4698341A1
EP4698341A1 EP24723198.8A EP24723198A EP4698341A1 EP 4698341 A1 EP4698341 A1 EP 4698341A1 EP 24723198 A EP24723198 A EP 24723198A EP 4698341 A1 EP4698341 A1 EP 4698341A1
Authority
EP
European Patent Office
Prior art keywords
blade
web
blank
face
platform
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.)
Pending
Application number
EP24723198.8A
Other languages
English (en)
French (fr)
Inventor
Ngadia Taha NIANE
Didier Maurice Marceau GUERCHE
Ming LONG
Hervé Bruno Marc OSMONT
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.)
Safran Aircraft Engines SAS
Safran SA
Original Assignee
Safran Aircraft Engines SAS
Safran SA
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 Safran Aircraft Engines SAS, Safran SA filed Critical Safran Aircraft Engines SAS
Publication of EP4698341A1 publication Critical patent/EP4698341A1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
    • B22D21/02—Casting exceedingly oxidisable non-ferrous metals, e.g. in inert atmosphere
    • B22D21/025—Casting heavy metals with high melting point, i.e. 1000 - 1600 degrees C, e.g. Co 1490 degrees C, Ni 1450 degrees C, Mn 1240 degrees C, Cu 1083 degrees C
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B22D25/06—Special casting characterised by the nature of the product by its physical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
    • 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
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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
    • F05D2230/211—Manufacture essentially without removing material by casting by precision casting, e.g. microfusing or investment 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/14—Noble metals, i.e. Ag, Au, platinum group metals
    • F05D2300/143—Platinum group metals, i.e. Os, Ir, Pt, Ru, Rh, Pd
    • 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
    • F05D2300/14—Noble metals, i.e. Ag, Au, platinum group metals
    • F05D2300/143—Platinum group metals, i.e. Os, Ir, Pt, Ru, Rh, Pd
    • F05D2300/1432—Ruthenium

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
EP24723198.8A 2023-04-20 2024-04-16 Durch metallgiessen hergestellter schaufelrohling eines turbinentriebwerks und verfahren zur herstellung solch eines rohlings Pending EP4698341A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2304006A FR3148058B1 (fr) 2023-04-20 2023-04-20 Ebauche d’aube de turbomachine obtenue par coulée de métal et procédé de fabrication d’une telle ébauche.
PCT/FR2024/050506 WO2024218455A1 (fr) 2023-04-20 2024-04-16 Ebauche d'aube de turbomachine obtenue par coulée de métal et procédé de fabrication d'une telle ébauche

Publications (1)

Publication Number Publication Date
EP4698341A1 true EP4698341A1 (de) 2026-02-25

Family

ID=88690106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24723198.8A Pending EP4698341A1 (de) 2023-04-20 2024-04-16 Durch metallgiessen hergestellter schaufelrohling eines turbinentriebwerks und verfahren zur herstellung solch eines rohlings

Country Status (4)

Country Link
EP (1) EP4698341A1 (de)
CN (1) CN121285436A (de)
FR (1) FR3148058B1 (de)
WO (1) WO2024218455A1 (de)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3395019B2 (ja) * 1994-03-10 2003-04-07 株式会社日立製作所 ガスタービン用単結晶ブレードの製造法
FR2874186B1 (fr) 2004-08-12 2008-01-25 Snecma Moteurs Sa Procede de fabrication par moulage a cire perdue de pieces comportant au moins une cavite.
FR2875425B1 (fr) 2004-09-21 2007-03-30 Snecma Moteurs Sa Procede de fabrication d'une aube de turbomachine, assemblage de noyaux pour la mise en oeuvre du procede.
FR3006616B1 (fr) * 2013-06-05 2016-03-04 Snecma Preforme d'aube de turbomachine

Also Published As

Publication number Publication date
FR3148058A1 (fr) 2024-10-25
FR3148058B1 (fr) 2026-01-30
WO2024218455A1 (fr) 2024-10-24
CN121285436A (zh) 2026-01-06

Similar Documents

Publication Publication Date Title
EP1637253B1 (de) Verfahren zur Herstellung einer Turbinenschaufel und Kernpaket zur Verwendung in dem Verfahren
CA2587100C (fr) Procede de fabrication de noyaux ceramiques de fonderie pour aubes de turbomachine
EP3313597B1 (de) Verfahren zur herstellung einer klinge mit einer squealer-spitze mit einer kleinen wand
EP1813365A1 (de) Verfahren zur Herstellung eines Teils einer Strömungsmaschine, das Auslassöffnungen zur Kühlung umfasst
EP2071125B1 (de) Einkristall-turbinenschaufel
EP0663249B1 (de) Verfahren zur Herstellung keramischer Giessmasken zum Giessen mit verlorenem Modell
EP4081360B1 (de) Verfahren zur herstellung einer turbinenleitschaufel und turbinenleitschaufel
JPH1052736A (ja) ロストワックス法による中空鋳物の製造方法
WO2024218455A1 (fr) Ebauche d'aube de turbomachine obtenue par coulée de métal et procédé de fabrication d'une telle ébauche
FR3061050A1 (fr) Moule carapace pour un secteur de roue aubagee
FR2874187A1 (fr) Procede de fabrication d'une aube de turbomachine par moulage a cire perdue
EP3395471B1 (de) Kern zur herstellung einer turbinenschaufel
FR3129856A1 (fr) Ensemble pour la fabrication d’aubes de turbomachine en moulage à la cire perdue
FR3129855A1 (fr) Moule de fabrication d'une pièce en matériau éliminable
EP3395469B1 (de) Anordnung für die herstellung einer laufradschaufel eines turbotriebwerks
EP3993922A1 (de) Verfahren zur herstellung eines metallteils
FR3085288A1 (fr) Procede de fabrication par fonderie a la cire perdue d'un assemblage metallique pour turbomachine
FR3124408A1 (fr) Noyau en ceramique utilise pour la fabrication d’aubes par fonderie a la cire perdue
CA3011498C (fr) Noyau refractaire comprenant un corps principal et une coque
FR3065661B1 (fr) Noyau pour la fabrication par moulage a la cire perdue d'une aube de turbomachine
WO2023135395A1 (fr) Ensemble pour la réalisation d'un moulage en matériau éliminable d'une aube de turbomachine
EP3475011B1 (de) Kühlkreislauf einer turbomaschinenschaufel
FR3070285A1 (fr) Noyau pour la fafrication d'une aube de turbomachine
FR3108540A1 (fr) Moule pour la fabrication d’un noyau céramique de fonderie
WO2023135277A1 (fr) Ensemble pour la réalisation d'un moulage en matériau éliminable d'une aube de turbomachine

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20251120

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR