FR2963054B1 - Anneau de retention - Google Patents

Anneau de retention

Info

Publication number
FR2963054B1
FR2963054B1 FR1056021A FR1056021A FR2963054B1 FR 2963054 B1 FR2963054 B1 FR 2963054B1 FR 1056021 A FR1056021 A FR 1056021A FR 1056021 A FR1056021 A FR 1056021A FR 2963054 B1 FR2963054 B1 FR 2963054B1
Authority
FR
France
Prior art keywords
retention ring
retention
ring
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
FR1056021A
Other languages
English (en)
Other versions
FR2963054A1 (fr
Inventor
Yolaine Carre
Mathieu Jean Pierre Trohel
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 FR1056021A priority Critical patent/FR2963054B1/fr
Priority to US13/188,792 priority patent/US8894351B2/en
Publication of FR2963054A1 publication Critical patent/FR2963054A1/fr
Application granted granted Critical
Publication of FR2963054B1 publication Critical patent/FR2963054B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02—Hub construction
    • B64C11/04—Blade mountings
    • B64C11/06—Blade mountings for variable-pitch blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/026—Aircraft characterised by the type or position of power plants comprising different types of power plants, e.g. combination of a piston engine and a gas-turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K3/00—Plants including a gas turbine driving a compressor or a ducted fan
    • F02K3/02—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber
    • F02K3/04—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type
    • F02K3/072—Plants including a gas turbine driving a compressor or a ducted fan in which part of the working fluid by-passes the turbine and combustion chamber the plant including ducted fans, i.e. fans with high volume, low pressure outputs, for augmenting the jet thrust, e.g. of double-flow type with counter-rotating, e.g. fan rotors
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR1056021A 2010-07-22 2010-07-22 Anneau de retention Active FR2963054B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1056021A FR2963054B1 (fr) 2010-07-22 2010-07-22 Anneau de retention
US13/188,792 US8894351B2 (en) 2010-07-22 2011-07-22 Retaining ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1056021A FR2963054B1 (fr) 2010-07-22 2010-07-22 Anneau de retention

Publications (2)

Publication Number Publication Date
FR2963054A1 FR2963054A1 (fr) 2012-01-27
FR2963054B1 true FR2963054B1 (fr) 2012-07-27

Family

ID=43645871

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1056021A Active FR2963054B1 (fr) 2010-07-22 2010-07-22 Anneau de retention

Country Status (2)

Country Link
US (1) US8894351B2 (fr)
FR (1) FR2963054B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2992347B1 (fr) * 2012-06-22 2014-07-18 Snecma Recepteur de turbomachine d'aeronef a doublet d'helices contrarotatives non carenees, comprenant une turbine libre exterieure a maintien renforce
FR2992688B1 (fr) * 2012-06-27 2016-12-23 Snecma Helice pourvue d'une nacelle comportant des moyens de compression
FR2996589A1 (fr) * 2012-10-10 2014-04-11 Snecma Pivot de pied de pale comportant des moyens de refroidissement
FR2996586A1 (fr) * 2012-10-10 2014-04-11 Snecma Helice comportant un systeme de contrepoids pourvu de moyens de reprise d'efforts
FR2996588A1 (fr) * 2012-10-10 2014-04-11 Snecma Helice comportant un pivot pourvu de moyens d'introduction et/ou d'ejection d'un flux d'air
US9765624B2 (en) 2012-10-10 2017-09-19 Snecma Propeller comprising a counterweight system provided with an air discharge channel
FR2996585B1 (fr) * 2012-10-10 2014-12-19 Snecma Pivot de pied de pale comportant un fluide caloporteur
FR3005684B1 (fr) 2013-05-17 2015-06-05 Snecma Pivot de pale d'helice
FR3027948B1 (fr) * 2014-10-31 2020-10-16 Snecma Anneau d'helice en materiau composite pour une turbomachine
US9909430B2 (en) 2014-11-13 2018-03-06 Rolls-Royce North American Technologies Inc. Turbine disk assembly including seperable platforms for blade attachment
FR3030444B1 (fr) * 2014-12-22 2017-01-27 Airbus Operations Sas Helice pour turbomachine d'aeronef, comprenant une structure de retention de pales traversee par la partie aerodynamique de chaque pale
US11396822B2 (en) * 2020-08-25 2022-07-26 General Electric Company Blade dovetail and retention apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2410804A (en) * 1942-01-19 1946-11-12 Vickers Electrical Co Ltd Turbine
US3609059A (en) * 1969-10-03 1971-09-28 Gen Motors Corp Isothermal wheel
US4732538A (en) * 1984-03-02 1988-03-22 General Electric Company Blade hub air scoop
US4863352A (en) * 1984-11-02 1989-09-05 General Electric Company Blade carrying means
US5112191A (en) * 1989-04-11 1992-05-12 General Electric Company Rotating cowling
US5039278A (en) * 1989-04-11 1991-08-13 General Electric Company Power turbine ventilation system

Also Published As

Publication number Publication date
US8894351B2 (en) 2014-11-25
FR2963054A1 (fr) 2012-01-27
US20120020796A1 (en) 2012-01-26

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