IT1185996B - Prop-fan type propeller with improved stability - Google Patents

Prop-fan type propeller with improved stability

Info

Publication number
IT1185996B
IT1185996B IT22377/85A IT2237785A IT1185996B IT 1185996 B IT1185996 B IT 1185996B IT 22377/85 A IT22377/85 A IT 22377/85A IT 2237785 A IT2237785 A IT 2237785A IT 1185996 B IT1185996 B IT 1185996B
Authority
IT
Italy
Prior art keywords
prop
improved stability
fan type
type propeller
propeller
Prior art date
Application number
IT22377/85A
Other languages
Italian (it)
Other versions
IT8522377D0 (en
Inventor
Edward Allen Rothman
John Alfred Violette
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
Priority to US69911985A priority Critical
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of IT8522377D0 publication Critical patent/IT8522377D0/en
Application granted granted Critical
Publication of IT1185996B publication Critical patent/IT1185996B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16Blades
    • B64C11/18Aerodynamic features
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00Aeronautics or air transport
    • Y02T50/60Efficient propulsion technologies, e.g. for aircraft
IT22377/85A 1985-02-07 1985-10-07 Prop-fan type propeller with improved stability IT1185996B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US69911985A true 1985-02-07 1985-02-07

Publications (2)

Publication Number Publication Date
IT8522377D0 IT8522377D0 (en) 1985-10-07
IT1185996B true IT1185996B (en) 1987-11-18

Family

ID=24808020

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22377/85A IT1185996B (en) 1985-02-07 1985-10-07 Prop-fan type propeller with improved stability

Country Status (7)

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

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605588B1 (en) * 1986-10-24 1989-04-28 Onera (Off Nat Aerospatiale) Improvements on air propellers, especially for aircraft propellers
DE3738785A1 (en) * 1986-11-19 1988-05-26 Gen Electric CONTINUOUSLY ROTATING PLANE DRIVE BLADES
USRE34207E (en) * 1986-11-19 1993-03-30 General Electric Company Counterrotating aircraft propulsor blades
US5102302A (en) * 1988-06-02 1992-04-07 General Electric Company Fan blade mount
US5165856A (en) * 1988-06-02 1992-11-24 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
US10495106B2 (en) 2014-02-19 2019-12-03 United Technologies Corporation Gas turbine engine airfoil
US9567858B2 (en) 2014-02-19 2017-02-14 United Technologies Corporation Gas turbine engine airfoil
WO2015127032A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
WO2015126774A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
WO2015175073A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
EP3108114A4 (en) 2014-02-19 2017-03-15 United Technologies Corporation Gas turbine engine airfoil
WO2015175044A2 (en) 2014-02-19 2015-11-19 United Technologies Corporation Gas turbine engine airfoil
EP3108104B1 (en) 2014-02-19 2019-06-12 United Technologies Corporation Gas turbine engine airfoil
EP3108115A4 (en) 2014-02-19 2017-03-15 United Technologies Corporation Gas turbine engine airfoil
US10465702B2 (en) 2014-02-19 2019-11-05 United Technologies Corporation Gas turbine engine airfoil
WO2015126452A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108117B1 (en) 2014-02-19 2020-02-05 United Technologies Corporation Gas turbine engine airfoil
WO2015126451A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108106A4 (en) 2014-02-19 2017-03-15 United Technologies Corporation Gas turbine engine airfoil
WO2015126453A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
US10584715B2 (en) 2014-02-19 2020-03-10 United Technologies Corporation Gas turbine engine airfoil
EP3108119A4 (en) 2014-02-19 2017-06-14 United Technologies Corporation Gas turbine engine airfoil
EP3114321B1 (en) 2014-02-19 2019-04-17 United Technologies Corporation Gas turbine engine airfoil
US10590775B2 (en) 2014-02-19 2020-03-17 United Technologies Corporation Gas turbine engine airfoil
EP3108109A4 (en) 2014-02-19 2017-03-15 United Technologies Corporation Gas turbine engine airfoil
WO2015126450A1 (en) 2014-02-19 2015-08-27 United Technologies Corporation Gas turbine engine airfoil
EP3108120B1 (en) 2014-02-19 2021-03-31 Raytheon Technologies Corporation Gas turbine engine having a geared architecture and a specific fixed airfoil structure
FR3045564B1 (en) * 2015-12-21 2018-08-17 Airbus Helicopters AIRCRAFT ROTOR BLADE WITH GEOMETRY ADAPTED FOR ACOUSTIC IMPROVEMENT DURING APPROACH FLIGHTS AND PERFORMANCE IMPROVEMENT IN STATIONARY AND ADVANCED FLIGHTS
FR3045565B1 (en) 2015-12-21 2018-07-27 Airbus Helicopters AIRCRAFT ROTOR BLADE WITH GEOMETRY ADAPTED FOR ACOUSTIC IMPROVEMENT DURING AN APPROACH FLIGHT AND PERFORMANCE IMPROVEMENT IN FLYING

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
GB2170868B (en) 1988-07-13
JPS61181798A (en) 1986-08-14
FR2576872A1 (en) 1986-08-08
FR2576872B1 (en) 1987-07-24
DE3535399A1 (en) 1986-08-07
GB2170868A (en) 1986-08-13
GB8524280D0 (en) 1985-11-06
BR8504907A (en) 1986-12-16
CA1270802A (en) 1990-06-26
IT8522377D0 (en) 1985-10-07
CA1270802A1 (en)

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