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FR2697051B1 - Rotor de turbomachine comprenant un disque dont le pourtour est occupé par des alvéoles obliques qui alternent avec des dents de section transversale variable. - Google Patents

Rotor de turbomachine comprenant un disque dont le pourtour est occupé par des alvéoles obliques qui alternent avec des dents de section transversale variable.

Info

Publication number
FR2697051B1
FR2697051B1 FR9212566A FR9212566A FR2697051B1 FR 2697051 B1 FR2697051 B1 FR 2697051B1 FR 9212566 A FR9212566 A FR 9212566A FR 9212566 A FR9212566 A FR 9212566A FR 2697051 B1 FR2697051 B1 FR 2697051B1
Authority
FR
France
Prior art keywords
occupied
teeth
alternate
section
variable cross
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.)
Expired - Lifetime
Application number
FR9212566A
Other languages
English (en)
Other versions
FR2697051A1 (fr
Inventor
Jacques Stenneler
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
SNECMA 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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR9212566A priority Critical patent/FR2697051B1/fr
Priority to GB9320772A priority patent/GB2271817B/en
Priority to US08/135,568 priority patent/US5395213A/en
Publication of FR2697051A1 publication Critical patent/FR2697051A1/fr
Application granted granted Critical
Publication of FR2697051B1 publication Critical patent/FR2697051B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • 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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR9212566A 1992-10-21 1992-10-21 Rotor de turbomachine comprenant un disque dont le pourtour est occupé par des alvéoles obliques qui alternent avec des dents de section transversale variable. Expired - Lifetime FR2697051B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9212566A FR2697051B1 (fr) 1992-10-21 1992-10-21 Rotor de turbomachine comprenant un disque dont le pourtour est occupé par des alvéoles obliques qui alternent avec des dents de section transversale variable.
GB9320772A GB2271817B (en) 1992-10-21 1993-10-08 Turbomachine rotor
US08/135,568 US5395213A (en) 1992-10-21 1993-10-14 Turbojet engine rotor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9212566A FR2697051B1 (fr) 1992-10-21 1992-10-21 Rotor de turbomachine comprenant un disque dont le pourtour est occupé par des alvéoles obliques qui alternent avec des dents de section transversale variable.

Publications (2)

Publication Number Publication Date
FR2697051A1 FR2697051A1 (fr) 1994-04-22
FR2697051B1 true FR2697051B1 (fr) 1994-12-02

Family

ID=9434722

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9212566A Expired - Lifetime FR2697051B1 (fr) 1992-10-21 1992-10-21 Rotor de turbomachine comprenant un disque dont le pourtour est occupé par des alvéoles obliques qui alternent avec des dents de section transversale variable.

Country Status (3)

Country Link
US (1) US5395213A (fr)
FR (1) FR2697051B1 (fr)
GB (1) GB2271817B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310318A (en) * 1993-07-21 1994-05-10 General Electric Company Asymmetric axial dovetail and rotor disk
FR2723397B1 (fr) 1994-08-03 1996-09-13 Snecma Disque de compresseur de turbomachine muni d'une gorge circulaire asymetrique
FR2725239B1 (fr) * 1994-09-30 1996-11-22 Gec Alsthom Electromec Disposition pour l'ecretement des pointes de contrainte dans l'ancrage d'une ailette de turbine, comportant une racine dite en "pied-sapin"
GB9606963D0 (en) * 1996-04-02 1996-06-05 Rolls Royce Plc A root attachment for a turbomachine blade
EP0906514B1 (fr) * 1996-06-21 2001-10-24 Siemens Aktiengesellschaft Rotor pour une turbomachine avec des pales a monter dans des rainures et pales pour un rotor
US6764282B2 (en) 2001-11-14 2004-07-20 United Technologies Corporation Blade for turbine engine
US7156621B2 (en) * 2004-05-14 2007-01-02 Pratt & Whitney Canada Corp. Blade fixing relief mismatch
JP4869616B2 (ja) * 2005-04-01 2012-02-08 株式会社日立製作所 蒸気タービン動翼と蒸気タービンロータ及びそれを用いた蒸気タービン並びにその発電プラント
FR2900989B1 (fr) * 2006-05-12 2008-07-11 Snecma Sa Ensemble pour compresseur de moteur d'aeronef comprenant des aubes a attache marteau a pied incline
FR2903138B1 (fr) * 2006-06-28 2017-10-06 Snecma Aube mobile et disque de rotor de turbomachine, et dispositif d'attache d'une telle aube sur un tel disque
US8608447B2 (en) * 2009-02-19 2013-12-17 Rolls-Royce Corporation Disk for turbine engine
US8734112B2 (en) * 2010-11-30 2014-05-27 United Technologies Corporation Asymmetrical rotor blade slot attachment

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB798613A (en) * 1955-05-06 1958-07-23 Ite Circuit Breaker Ltd Improvements in or relating to the securing of an element such as turbine blade to abody such as a rotor
GB944166A (en) * 1960-03-02 1963-12-11 Werner Hausammann Rotor for turbines or compressors
US3661475A (en) * 1970-04-30 1972-05-09 Gen Electric Turbomachinery rotors
US3891351A (en) * 1974-03-25 1975-06-24 Theodore J Norbut Turbine disc
US4135857A (en) * 1977-06-09 1979-01-23 United Technologies Corporation Reduced drag airfoil platforms
JPS54151707A (en) * 1978-05-22 1979-11-29 Hitachi Ltd Turbine blade lattice structure
GB2097480B (en) * 1981-04-29 1984-06-06 Rolls Royce Rotor blade fixing in circumferential slot
US5067876A (en) * 1990-03-29 1991-11-26 General Electric Company Gas turbine bladed disk

Also Published As

Publication number Publication date
GB2271817B (en) 1995-06-28
US5395213A (en) 1995-03-07
GB9320772D0 (en) 1993-12-01
GB2271817A (en) 1994-04-27
FR2697051A1 (fr) 1994-04-22

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Legal Events

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TP Transmission of property
CD Change of name or company name