FR2962109B1 - Turbomoteur a helices non carenees - Google Patents

Turbomoteur a helices non carenees

Info

Publication number
FR2962109B1
FR2962109B1 FR1055448A FR1055448A FR2962109B1 FR 2962109 B1 FR2962109 B1 FR 2962109B1 FR 1055448 A FR1055448 A FR 1055448A FR 1055448 A FR1055448 A FR 1055448A FR 2962109 B1 FR2962109 B1 FR 2962109B1
Authority
FR
France
Prior art keywords
carinees
turbomoteur
propellers
non carinees
carinees propellers
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
FR1055448A
Other languages
English (en)
Other versions
FR2962109A1 (fr
Inventor
Alexandre Alfred Gaston Vuillemin
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 FR1055448A priority Critical patent/FR2962109B1/fr
Priority to US13/175,321 priority patent/US8701380B2/en
Publication of FR2962109A1 publication Critical patent/FR2962109A1/fr
Application granted granted Critical
Publication of FR2962109B1 publication Critical patent/FR2962109B1/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
    • B64C11/16—Blades
    • B64C11/20—Constructional features
    • B64C11/28—Collapsible or foldable blades
    • 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
    • B64C11/30—Blade pitch-changing mechanisms
    • B64C11/306—Blade pitch-changing mechanisms specially adapted for contrarotating propellers
    • B64C11/308—Blade pitch-changing mechanisms specially adapted for contrarotating propellers automatic
    • 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
    • B64C11/46—Arrangements of, or constructional features peculiar to, multiple propellers
    • B64C11/48—Units of two or more coaxial propellers
    • B64D27/026—
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plant in aircraft; Aircraft characterised thereby
    • B64D2027/005—Aircraft with an unducted turbofan comprising contra-rotating rotors, e.g. contra-rotating open rotors [CROR]
    • 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
FR1055448A 2010-07-05 2010-07-05 Turbomoteur a helices non carenees Active FR2962109B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1055448A FR2962109B1 (fr) 2010-07-05 2010-07-05 Turbomoteur a helices non carenees
US13/175,321 US8701380B2 (en) 2010-07-05 2011-07-01 Turbine engine with nonstreamlined impellers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1055448A FR2962109B1 (fr) 2010-07-05 2010-07-05 Turbomoteur a helices non carenees

Publications (2)

Publication Number Publication Date
FR2962109A1 FR2962109A1 (fr) 2012-01-06
FR2962109B1 true FR2962109B1 (fr) 2013-04-12

Family

ID=43367598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1055448A Active FR2962109B1 (fr) 2010-07-05 2010-07-05 Turbomoteur a helices non carenees

Country Status (2)

Country Link
US (1) US8701380B2 (fr)
FR (1) FR2962109B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2704516C2 (ru) * 2015-04-23 2019-10-29 Сафран Эркрафт Энджинз Редуктор с эпициклоидной передачей для газотурбинного двигателя

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2981686B1 (fr) * 2011-10-21 2016-05-20 Snecma Turbomachine comprenant un recepteur a helices contrarotatives supporte par une enveloppe structurale fixee au carter intermediaire
US20130204107A1 (en) * 2012-01-23 2013-08-08 The Ohio State University Devices and methods for the rapid and accurate detection of analytes
US10704410B2 (en) * 2012-10-23 2020-07-07 General Electric Company Unducted thrust producing system architecture
US20150344127A1 (en) * 2014-05-31 2015-12-03 General Electric Company Aeroelastically tailored propellers for noise reduction and improved efficiency in a turbomachine
US10421553B2 (en) * 2015-01-20 2019-09-24 United Technologies Corporation Pusher fan engine with in wing configuration
US10287977B2 (en) 2016-02-16 2019-05-14 General Electric Company Inline propeller gearbox brake
US10501177B2 (en) * 2017-06-19 2019-12-10 General Electric Company Convertible propeller
US20190283864A1 (en) * 2018-03-16 2019-09-19 Hamilton Sundstrand Corporation Counter-rotating propeller system with capability to stop rotation of one row
FR3081435B1 (fr) 2018-05-24 2021-05-14 Safran Aircraft Engines Turbomachine d'aeronef a doublet d'helices rotatives et non carenees
FR3087223B1 (fr) * 2018-10-10 2020-10-23 Safran Aircraft Engines Turbomachine a turbine contrarotative pour un aeronef
US11713687B1 (en) * 2022-03-17 2023-08-01 General Electric Company Flapping hinge for a fan blade

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957229A (en) * 1973-08-09 1976-05-18 Davis Harry C Convertible auxiliary turbine for aircraft
US4915586A (en) * 1988-09-20 1990-04-10 General Motors Corporation Propfan blade attachment
US4936526A (en) * 1989-02-02 1990-06-26 Williams International Corporation Foldable counter-rotating propfan blades
US4979876A (en) * 1989-06-19 1990-12-25 Williams International Corporation Foldable propulsion system
US5174716A (en) * 1990-07-23 1992-12-29 General Electric Company Pitch change mechanism
US5186609A (en) * 1990-12-20 1993-02-16 Honda Giken Kogyo Kabushiki Kaisha Contrarotating propeller type propulsion system
US5282719A (en) * 1991-05-13 1994-02-01 Alliedsignal Inc. Quad mode fan pitch actuation system for a gas turbine engine
DE4244586C2 (de) * 1992-12-28 1996-09-05 Mannesmann Ag Schiffsantrieb mit zwei gegenläufigen Schrauben
DE4420219A1 (de) * 1994-06-06 1995-12-07 Stemme Gmbh & Co Kg Luftfahrzeug

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2704516C2 (ru) * 2015-04-23 2019-10-29 Сафран Эркрафт Энджинз Редуктор с эпициклоидной передачей для газотурбинного двигателя

Also Published As

Publication number Publication date
US20120000177A1 (en) 2012-01-05
US8701380B2 (en) 2014-04-22
FR2962109A1 (fr) 2012-01-06

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