FR2938502B1 - Turbomachine comportant une helice non carenee equipee de moyens de guidage d'air - Google Patents

Turbomachine comportant une helice non carenee equipee de moyens de guidage d'air

Info

Publication number
FR2938502B1
FR2938502B1 FR0806380A FR0806380A FR2938502B1 FR 2938502 B1 FR2938502 B1 FR 2938502B1 FR 0806380 A FR0806380 A FR 0806380A FR 0806380 A FR0806380 A FR 0806380A FR 2938502 B1 FR2938502 B1 FR 2938502B1
Authority
FR
France
Prior art keywords
carney
turbomachine
guiding means
air guiding
propeller equipped
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
FR0806380A
Other languages
English (en)
Other versions
FR2938502A1 (fr
Inventor
Maxime Olivier Lebrun
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 FR0806380A priority Critical patent/FR2938502B1/fr
Priority to US12/617,222 priority patent/US8221081B2/en
Publication of FR2938502A1 publication Critical patent/FR2938502A1/fr
Application granted granted Critical
Publication of FR2938502B1 publication Critical patent/FR2938502B1/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
    • B64C11/18—Aerodynamic features
    • 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
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR0806380A 2008-11-14 2008-11-14 Turbomachine comportant une helice non carenee equipee de moyens de guidage d'air Active FR2938502B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0806380A FR2938502B1 (fr) 2008-11-14 2008-11-14 Turbomachine comportant une helice non carenee equipee de moyens de guidage d'air
US12/617,222 US8221081B2 (en) 2008-11-14 2009-11-12 Turbomachine having an unducted fan provided with air guide means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0806380A FR2938502B1 (fr) 2008-11-14 2008-11-14 Turbomachine comportant une helice non carenee equipee de moyens de guidage d'air

Publications (2)

Publication Number Publication Date
FR2938502A1 FR2938502A1 (fr) 2010-05-21
FR2938502B1 true FR2938502B1 (fr) 2010-12-10

Family

ID=40717000

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0806380A Active FR2938502B1 (fr) 2008-11-14 2008-11-14 Turbomachine comportant une helice non carenee equipee de moyens de guidage d'air

Country Status (2)

Country Link
US (1) US8221081B2 (fr)
FR (1) FR2938502B1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2963067B1 (fr) * 2010-07-23 2012-08-24 Snecma Turbomoteur a double helice non carenee
US8701381B2 (en) 2010-11-24 2014-04-22 Rolls-Royce Corporation Remote shaft driven open rotor propulsion system with electrical power generation
FR2974060B1 (fr) 2011-04-15 2013-11-22 Snecma Dispositif de propulsion a helices contrarotatives et coaxiales non-carenees
FR2976551B1 (fr) 2011-06-20 2013-06-28 Snecma Pale, en particulier a calage variable, helice comprenant de telles pales, et turbomachine correspondante
FR2980818B1 (fr) 2011-09-29 2016-01-22 Snecma Pale pour une helice de turbomachine, notamment a soufflante non carenee, helice et turbomachine correspondantes.
US9102397B2 (en) * 2011-12-20 2015-08-11 General Electric Company Airfoils including tip profile for noise reduction and method for fabricating same
CN112594087A (zh) * 2012-10-23 2021-04-02 通用电气公司 无涵道的推力产生系统体系结构
FR2999151B1 (fr) 2012-12-07 2017-01-27 Snecma Pale d'helice pour turbomachine
GB201301329D0 (en) * 2013-01-25 2013-03-06 Rolls Royce Plc Fluidfoil
US9650962B2 (en) 2013-03-08 2017-05-16 Rolls-Royce Corporation Rotor noise suppression
US10414486B2 (en) 2015-11-30 2019-09-17 General Electric Company Airfoil for a rotary machine including a propellor assembly
US10450867B2 (en) * 2016-02-12 2019-10-22 General Electric Company Riblets for a flowpath surface of a turbomachine
US10618667B2 (en) 2016-10-31 2020-04-14 Rolls-Royce Corporation Fan module with adjustable pitch blades and power system
US10737801B2 (en) * 2016-10-31 2020-08-11 Rolls-Royce Corporation Fan module with rotatable vane ring power system
AT519647B1 (de) * 2017-05-09 2018-09-15 Villinger Markus Rotor, insbesondere für Fluggeräte und Windkraftanlagen
FR3081913B1 (fr) * 2018-06-04 2021-01-08 Safran Aircraft Engines Aube de turbomachine comportant une ailette anti-tourbillons
FR3136448B1 (fr) 2022-06-08 2024-05-03 Safran Aircraft Engines Ensemble de production de poussée non caréné comprenant un redresseur chargé en pied d’aube

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3776363A (en) * 1971-05-10 1973-12-04 A Kuethe Control of noise and instabilities in jet engines, compressors, turbines, heat exchangers and the like
JPS5472507A (en) * 1977-11-22 1979-06-11 Toyota Central Res & Dev Lab Inc Axial flow fan with supplementary blades
JPS5867999A (ja) * 1981-10-16 1983-04-22 Hitachi Ltd 軸流形流体機械における動翼構造
US5190441A (en) * 1990-08-13 1993-03-02 General Electric Company Noise reduction in aircraft propellers
JPH0710089A (ja) * 1993-06-25 1995-01-13 Ishikawajima Harima Heavy Ind Co Ltd 航空機用プロペラ翼

Also Published As

Publication number Publication date
US20100124500A1 (en) 2010-05-20
US8221081B2 (en) 2012-07-17
FR2938502A1 (fr) 2010-05-21

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