FR3100835B1 - Aube de rotor pour une turbomachine - Google Patents

Aube de rotor pour une turbomachine Download PDF

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Publication number
FR3100835B1
FR3100835B1 FR1910255A FR1910255A FR3100835B1 FR 3100835 B1 FR3100835 B1 FR 3100835B1 FR 1910255 A FR1910255 A FR 1910255A FR 1910255 A FR1910255 A FR 1910255A FR 3100835 B1 FR3100835 B1 FR 3100835B1
Authority
FR
France
Prior art keywords
turbomachine
rotor blade
root
platform
blade
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.)
Active
Application number
FR1910255A
Other languages
English (en)
Other versions
FR3100835A1 (fr
Inventor
Benoit André Pierre Frossard
Geoffrey Charles Bernard Labrousse
Jérôme Gilles Roger Gaston Didier Candele
Alix Thomas Bernard Lejeune
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
Original Assignee
Safran Aircraft Engines SAS
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 filed Critical Safran Aircraft Engines SAS
Priority to FR1910255A priority Critical patent/FR3100835B1/fr
Publication of FR3100835A1 publication Critical patent/FR3100835A1/fr
Application granted granted Critical
Publication of FR3100835B1 publication Critical patent/FR3100835B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
    • 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
    • F01D5/3023—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses
    • F01D5/303—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot
    • F01D5/3038—Fixing blades to rotors; Blade roots ; Blade spacers of radial insertion type, e.g. in individual recesses in a circumferential slot the slot having inwardly directed abutment faces on both sides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/321—Rotors specially for elastic fluids for axial flow pumps for axial flow compressors
    • F04D29/324—Blades
    • 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
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/29—Three-dimensional machined; miscellaneous
    • F05D2250/294—Three-dimensional machined; miscellaneous grooved
    • 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)
  • Architecture (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L’invention concerne une aube (1) de rotor pour une turbomachine, comportant une pale (2) s’étendant radialement, un pied (3) destiné à être monté dans une alvéole s’étendant tangentiellement et ménagée dans un disque du rotor, une plate-forme (4) intercalée radialement entre la pale (2) et le pied (3), caractérisée en ce que le pied (3) et/ou la plate-forme (4) comportent au moins un évidement (10) traversant tangentiellement le pied (3) et/ou la plate-forme (4). Figure à publier avec l’abrégé : figure 3
FR1910255A 2019-09-17 2019-09-17 Aube de rotor pour une turbomachine Active FR3100835B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1910255A FR3100835B1 (fr) 2019-09-17 2019-09-17 Aube de rotor pour une turbomachine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1910255 2019-09-17
FR1910255A FR3100835B1 (fr) 2019-09-17 2019-09-17 Aube de rotor pour une turbomachine

Publications (2)

Publication Number Publication Date
FR3100835A1 FR3100835A1 (fr) 2021-03-19
FR3100835B1 true FR3100835B1 (fr) 2022-10-07

Family

ID=69172942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1910255A Active FR3100835B1 (fr) 2019-09-17 2019-09-17 Aube de rotor pour une turbomachine

Country Status (1)

Country Link
FR (1) FR3100835B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1426553A1 (fr) * 2002-12-03 2004-06-09 Techspace Aero S.A. Réduction de la masse d'aubes mobiles
DE10357134A1 (de) * 2003-12-06 2005-06-30 Alstom Technology Ltd Rotor für einen Verdichter
EP1724442A1 (fr) * 2005-05-18 2006-11-22 Siemens Aktiengesellschaft Pied d'aube de turbine
CH702203A1 (de) * 2009-11-10 2011-05-13 Alstom Technology Ltd Rotor für eine axial durchströmte turbomaschine sowie laufschaufel für einen solchen rotor.

Also Published As

Publication number Publication date
FR3100835A1 (fr) 2021-03-19

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