GB2522999B - Blade comprising a support, provided with a portion with a depression - Google Patents

Blade comprising a support, provided with a portion with a depression

Info

Publication number
GB2522999B
GB2522999B GB1423063.5A GB201423063A GB2522999B GB 2522999 B GB2522999 B GB 2522999B GB 201423063 A GB201423063 A GB 201423063A GB 2522999 B GB2522999 B GB 2522999B
Authority
GB
United Kingdom
Prior art keywords
depression
blade
support
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
GB1423063.5A
Other versions
GB2522999A (en
Inventor
Nucci Marco
Merlot Damien
Rodriguez Jacky
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
Publication of GB2522999A publication Critical patent/GB2522999A/en
Application granted granted Critical
Publication of GB2522999B publication Critical patent/GB2522999B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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
    • 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
    • F01D5/16—Form or construction for counteracting blade vibration
    • 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
    • F05D2260/00—Function
    • F05D2260/96—Preventing, counteracting or reducing vibration or noise

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
GB1423063.5A 2013-12-23 2014-12-23 Blade comprising a support, provided with a portion with a depression Active GB2522999B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1363374A FR3015553B1 (en) 2013-12-23 2013-12-23 DAWN COMPRISING AN ECHASSE, PROVIDED WITH A SINGLE PORTION IN LOW PRESSURE

Publications (2)

Publication Number Publication Date
GB2522999A GB2522999A (en) 2015-08-12
GB2522999B true GB2522999B (en) 2016-05-18

Family

ID=50290035

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1423063.5A Active GB2522999B (en) 2013-12-23 2014-12-23 Blade comprising a support, provided with a portion with a depression

Country Status (3)

Country Link
US (1) US20150176415A1 (en)
FR (1) FR3015553B1 (en)
GB (1) GB2522999B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3028574B1 (en) 2014-11-17 2019-09-20 Safran Aircraft Engines MONOBLOC TANK DISK FOR A TURBOMACHINE BLOWER COMPRISING A UPSTREAM AND / OR DOWNWARD RECOVERY CONFERRING GREATER FLEXIBILITY TO ITS AUBES
FR3033359B1 (en) 2015-03-02 2017-04-07 Snecma MONOBLOC DRAWING DISK HAVING A HUB HAVING AN EVIDENCE FACED BY A BODY COMPRISING SAME
EP3263839A1 (en) * 2016-06-29 2018-01-03 Siemens Aktiengesellschaft Method for optimizing a design of a rotor blade and corresponding rotor blade
FR3096727B1 (en) * 2019-05-27 2021-06-25 Safran Helicopter Engines Turbine blade with an embrittlement cavity with a frangible section
DE102021109844A1 (en) 2021-04-19 2022-10-20 MTU Aero Engines AG Gas Turbine Blade Assembly

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5435694A (en) * 1993-11-19 1995-07-25 General Electric Company Stress relieving mount for an axial blade
EP2110513A2 (en) * 2008-04-16 2009-10-21 United Technologies Corporation Reduced weight blade for a gas turbine engine
FR2997723A1 (en) * 2012-11-06 2014-05-09 Snecma Blade, has stilt attaching bulb part with platform and formed as plate that is limited by main surfaces, which include asymmetrical depressions located in direction perpendicular to plate, where depressions have different depths

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162588B (en) * 1984-07-30 1988-11-09 Gen Electric Gas turbine bladed disk assembly
US4595340A (en) * 1984-07-30 1986-06-17 General Electric Company Gas turbine bladed disk assembly
DE3743253A1 (en) * 1987-12-19 1989-06-29 Mtu Muenchen Gmbh AXIAL FLOWED BLADE BLADES FOR COMPRESSORS OR TURBINES
US5261790A (en) * 1992-02-03 1993-11-16 General Electric Company Retention device for turbine blade damper
US8727730B2 (en) * 2010-04-06 2014-05-20 General Electric Company Composite turbine bucket assembly
US9359905B2 (en) * 2012-02-27 2016-06-07 Solar Turbines Incorporated Turbine engine rotor blade groove
US9140132B2 (en) * 2012-05-31 2015-09-22 Solar Turbines Incorporated Turbine blade support
US9353629B2 (en) * 2012-11-30 2016-05-31 Solar Turbines Incorporated Turbine blade apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5435694A (en) * 1993-11-19 1995-07-25 General Electric Company Stress relieving mount for an axial blade
EP2110513A2 (en) * 2008-04-16 2009-10-21 United Technologies Corporation Reduced weight blade for a gas turbine engine
FR2997723A1 (en) * 2012-11-06 2014-05-09 Snecma Blade, has stilt attaching bulb part with platform and formed as plate that is limited by main surfaces, which include asymmetrical depressions located in direction perpendicular to plate, where depressions have different depths

Also Published As

Publication number Publication date
GB2522999A (en) 2015-08-12
FR3015553A1 (en) 2015-06-26
FR3015553B1 (en) 2019-05-31
US20150176415A1 (en) 2015-06-25

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