CA1270802A - Helice transsonique a stabilite accrue - Google Patents

Helice transsonique a stabilite accrue

Info

Publication number
CA1270802A
CA1270802A CA000488883A CA488883A CA1270802A CA 1270802 A CA1270802 A CA 1270802A CA 000488883 A CA000488883 A CA 000488883A CA 488883 A CA488883 A CA 488883A CA 1270802 A CA1270802 A CA 1270802A
Authority
CA
Canada
Prior art keywords
prop
blade
fan
blades
tip
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
CA000488883A
Other languages
English (en)
Inventor
Edward A. Rothman
John A. Violette
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.)
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
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 United Technologies Corp filed Critical United Technologies Corp
Application granted granted Critical
Publication of CA1270802A publication Critical patent/CA1270802A/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • 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

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
CA000488883A 1985-02-07 1985-08-16 Helice transsonique a stabilite accrue Expired - Fee Related CA1270802A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69911985A 1985-02-07 1985-02-07
US699,119 1991-05-13

Publications (1)

Publication Number Publication Date
CA1270802A true CA1270802A (fr) 1990-06-26

Family

ID=24808020

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000488883A Expired - Fee Related CA1270802A (fr) 1985-02-07 1985-08-16 Helice transsonique a stabilite accrue

Country Status (7)

Country Link
JP (1) JPS61181798A (fr)
BR (1) BR8504907A (fr)
CA (1) CA1270802A (fr)
DE (1) DE3535399A1 (fr)
FR (1) FR2576872B1 (fr)
GB (1) GB2170868B (fr)
IT (1) IT1185996B (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605588B1 (fr) * 1986-10-24 1989-04-28 Onera (Off Nat Aerospatiale) Perfectionnements apportes aux helices aeriennes, notamment pour propulseurs d'aeronef
USRE34207E (en) * 1986-11-19 1993-03-30 General Electric Company Counterrotating aircraft propulsor blades
DE3738785A1 (de) * 1986-11-19 1988-05-26 Gen Electric Gegenlaeufig rotierende flugzeug-antriebsschaufeln
US5165856A (en) * 1988-06-02 1992-11-24 General Electric Company Fan blade mount
US5102302A (en) * 1988-06-02 1992-04-07 General Electric Company Fan blade mount
GB2220712B (en) * 1988-07-13 1992-12-09 Rolls Royce Plc Open rotor blading
US4971641A (en) * 1988-11-14 1990-11-20 General Electric Company Method of making counterrotating aircraft propeller blades
US6071077A (en) * 1996-04-09 2000-06-06 Rolls-Royce Plc Swept fan blade
GB2469516A (en) * 2009-04-17 2010-10-20 Insensys Ltd Rotor blade with optical strain sensors covered by erosion shield
US20130340406A1 (en) * 2012-01-31 2013-12-26 Edward J. Gallagher Fan stagger angle for geared gas turbine engine
US9163517B2 (en) 2014-02-19 2015-10-20 United Technologies Corporation Gas turbine engine airfoil
WO2015126450A1 (fr) 2014-02-19 2015-08-27 United Technologies Corporation Surface portante pour turbine à gaz
WO2015127032A1 (fr) 2014-02-19 2015-08-27 United Technologies Corporation Surface portante pour turbine à gaz
US10584715B2 (en) 2014-02-19 2020-03-10 United Technologies Corporation Gas turbine engine airfoil
US10570916B2 (en) 2014-02-19 2020-02-25 United Technologies Corporation Gas turbine engine airfoil
WO2015175073A2 (fr) 2014-02-19 2015-11-19 United Technologies Corporation Surface portante de moteur à turbine à gaz
US10605259B2 (en) 2014-02-19 2020-03-31 United Technologies Corporation Gas turbine engine airfoil
WO2015126452A1 (fr) * 2014-02-19 2015-08-27 United Technologies Corporation Surface portante de moteur à turbine à gaz
US9567858B2 (en) 2014-02-19 2017-02-14 United Technologies Corporation Gas turbine engine airfoil
US10519971B2 (en) 2014-02-19 2019-12-31 United Technologies Corporation Gas turbine engine airfoil
US10393139B2 (en) 2014-02-19 2019-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108121B1 (fr) 2014-02-19 2023-09-06 Raytheon Technologies Corporation Moteur à double flux à engrenage avec aubes de compresseur basse pression
EP3108117B2 (fr) 2014-02-19 2023-10-11 Raytheon Technologies Corporation Profil aérodynamique de turbine à gaz
WO2015175043A2 (fr) 2014-02-19 2015-11-19 United Technologies Corporation Profil aérodynamique de moteur à turbine à gaz
US10570915B2 (en) 2014-02-19 2020-02-25 United Technologies Corporation Gas turbine engine airfoil
EP3108122B1 (fr) 2014-02-19 2023-09-20 Raytheon Technologies Corporation Moteur à double flux à engrenage avec aubes de compresseur basse pression
WO2015175044A2 (fr) 2014-02-19 2015-11-19 United Technologies Corporation Profil aérodynamique de moteur à turbine à gaz
EP3108123B1 (fr) 2014-02-19 2023-10-04 Raytheon Technologies Corporation Moteur à double flux à engrenage avec aubes de compresseur basse pression
EP3575551B1 (fr) 2014-02-19 2021-10-27 Raytheon Technologies Corporation Surface portante de moteur à turbine à gaz
WO2015126454A1 (fr) 2014-02-19 2015-08-27 United Technologies Corporation Surface portante de moteur à turbine à gaz
WO2015126449A1 (fr) 2014-02-19 2015-08-27 United Technologies Corporation Surface portante de moteur à turbine à gaz
WO2015126824A1 (fr) 2014-02-19 2015-08-27 United Technologies Corporation Surface portante pour turbine à gaz
FR3045565B1 (fr) 2015-12-21 2018-07-27 Airbus Helicopters Pale de rotor d'aeronef a geometrie adaptee pour l'ameloration acoustique lors d'un vol d'approche et l'amelioration des performances en vol d'avancement
FR3045564B1 (fr) * 2015-12-21 2018-08-17 Airbus Helicopters Pale de rotor d'aeronef a geometrie adaptee pour l'amelioration acoustique lors de vols d'approche et l'amelioration des performances en vols stationnaire et d'avancement

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989406A (en) * 1974-11-26 1976-11-02 Bolt Beranek And Newman, Inc. Method of and apparatus for preventing leading edge shocks and shock-related noise in transonic and supersonic rotor blades and the like
US4171183A (en) * 1976-09-24 1979-10-16 United Technologies Corporation Multi-bladed, high speed prop-fan
US4358246A (en) * 1979-07-16 1982-11-09 United Technologies Corporation Noise reduction means for prop-fan and the construction thereof

Also Published As

Publication number Publication date
DE3535399A1 (de) 1986-08-07
IT1185996B (it) 1987-11-18
FR2576872B1 (fr) 1987-07-24
FR2576872A1 (fr) 1986-08-08
GB2170868A (en) 1986-08-13
BR8504907A (pt) 1986-12-16
JPS61181798A (ja) 1986-08-14
GB2170868B (en) 1988-07-13
IT8522377A0 (it) 1985-10-07
GB8524280D0 (en) 1985-11-06

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