FR2715968B1 - Rotor with platforms added between the blades. - Google Patents

Rotor with platforms added between the blades.

Info

Publication number
FR2715968B1
FR2715968B1 FR9401491A FR9401491A FR2715968B1 FR 2715968 B1 FR2715968 B1 FR 2715968B1 FR 9401491 A FR9401491 A FR 9401491A FR 9401491 A FR9401491 A FR 9401491A FR 2715968 B1 FR2715968 B1 FR 2715968B1
Authority
FR
France
Prior art keywords
blades
rotor
platforms
added
platforms added
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 - Fee Related
Application number
FR9401491A
Other languages
French (fr)
Other versions
FR2715968A1 (en
Inventor
Michel Marius Jacques Morel
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 FR9401491A priority Critical patent/FR2715968B1/en
Publication of FR2715968A1 publication Critical patent/FR2715968A1/en
Application granted granted Critical
Publication of FR2715968B1 publication Critical patent/FR2715968B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F01D5/141—Shape, i.e. outer, aerodynamic form
    • F01D5/142—Shape, i.e. outer, aerodynamic form of the blades of successive rotor or stator blade-rows
    • F01D5/143—Contour of the outer or inner working fluid flow path wall, i.e. shroud or hub contour
    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/005—Sealing means between non relatively rotating elements
    • F01D11/006—Sealing the gap between rotor blades or blades and rotor
    • F01D11/008—Sealing the gap between rotor blades or blades and rotor by spacer elements between the blades, e.g. independent interblade platforms
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/005—Selecting particular materials
    • 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
    • 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
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/505—Shape memory behaviour
    • 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
FR9401491A 1994-02-10 1994-02-10 Rotor with platforms added between the blades. Expired - Fee Related FR2715968B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9401491A FR2715968B1 (en) 1994-02-10 1994-02-10 Rotor with platforms added between the blades.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9401491A FR2715968B1 (en) 1994-02-10 1994-02-10 Rotor with platforms added between the blades.

Publications (2)

Publication Number Publication Date
FR2715968A1 FR2715968A1 (en) 1995-08-11
FR2715968B1 true FR2715968B1 (en) 1996-03-29

Family

ID=9459951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9401491A Expired - Fee Related FR2715968B1 (en) 1994-02-10 1994-02-10 Rotor with platforms added between the blades.

Country Status (1)

Country Link
FR (1) FR2715968B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105829651A (en) * 2013-12-18 2016-08-03 斯奈克玛 Blade, impeller and turbo machine; method of manufacturing the blade

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000057032A1 (en) * 1999-03-24 2000-09-28 Siemens Aktiengesellschaft Guide blade and guide blade rim for a fluid-flow machine and component for delimiting a flow channel
US8206116B2 (en) 2005-07-14 2012-06-26 United Technologies Corporation Method for loading and locking tangential rotor blades and blade design
US7300253B2 (en) * 2005-07-25 2007-11-27 Siemens Aktiengesellschaft Gas turbine blade or vane and platform element for a gas turbine blade or vane ring of a gas turbine, supporting structure for securing gas turbine blades or vanes arranged in a ring, gas turbine blade or vane ring and the use of a gas turbine blade or vane ring
GB2437298B (en) * 2006-04-18 2008-10-01 Rolls Royce Plc A Seal Between Rotor Blade Platforms And Stator Vane Platforms, A Rotor Blade And A Stator Vane
FR2913734B1 (en) * 2007-03-16 2009-05-01 Snecma Sa TURBOMACHINE BLOWER
FR2918409B1 (en) * 2007-07-05 2011-05-27 Snecma ROTATING PART OF TURBOMACHINE COMPRISING INTER-AUB SECTIONS FORMING PLATFORM FIXED ON A DISK
ES2571853T3 (en) * 2007-12-27 2016-05-27 Techspace Aero Platform for a turbomachine blade wheel, blade wheel and compressor or turbomachine comprising such blade wheel
EP2088287A1 (en) * 2008-02-08 2009-08-12 Siemens Aktiengesellschaft Assembly for axial protection on rotor blades in a rotor of a gas turbine
GB0804260D0 (en) * 2008-03-07 2008-04-16 Rolls Royce Plc Annulus filler
US9388704B2 (en) * 2013-11-13 2016-07-12 Siemens Energy, Inc. Vane array with one or more non-integral platforms
EP2896792A1 (en) * 2014-01-21 2015-07-22 Alstom Technology Ltd Mechanical fastening system for rotating or stationary components
JP6271077B2 (en) * 2014-07-24 2018-01-31 シーメンス アクチエンゲゼルシヤフトＳｉｅｍｅｎｓ Ａｋｔｉｅｎｇｅｓｅｌｌｓｃｈａｆｔ Stator vane system for use in gas turbine engines
EP3015653A1 (en) * 2014-10-28 2016-05-04 Siemens Aktiengesellschaft Rotor blade assembly

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH229266A (en) * 1942-03-26 1943-10-15 Sulzer Ag Turbomachine, the blade surfaces of which merge into the base surface with a rounding at the blade root.
DE1957614C3 (en) * 1969-11-15 1974-03-14 Motoren- Und Turbinen-Union Muenchen Gmbh, 8000 Muenchen Blade ring for high-speed gas turbine engines
US4464096A (en) * 1979-11-01 1984-08-07 United Technologies Corporation Self-actuating rotor seal
CH655547B (en) * 1981-11-10 1986-04-30
DE3629910A1 (en) * 1986-09-03 1988-03-17 Mtu Muenchen Gmbh METAL HOLLOW COMPONENT WITH A METAL INSERT, IN PARTICULAR TURBINE BLADE WITH COOLING INSERT
US5232346A (en) * 1992-08-11 1993-08-03 General Electric Company Rotor assembly and platform spacer therefor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105829651A (en) * 2013-12-18 2016-08-03 斯奈克玛 Blade, impeller and turbo machine; method of manufacturing the blade
CN105829651B (en) * 2013-12-18 2019-05-07 斯奈克玛 Blade, impeller and turbine；The method for manufacturing the blade

Also Published As

Publication number Publication date
FR2715968A1 (en) 1995-08-11

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Legal Events

Date Code Title Description
CD Change of name or company name
TP Transmission of property
CD Change of name or company name
ST Notification of lapse

Effective date: 20071030