IT967763B - Pala di elicottero - Google Patents

Pala di elicottero

Info

Publication number
IT967763B
IT967763B IT29551/72A IT2955172A IT967763B IT 967763 B IT967763 B IT 967763B IT 29551/72 A IT29551/72 A IT 29551/72A IT 2955172 A IT2955172 A IT 2955172A IT 967763 B IT967763 B IT 967763B
Authority
IT
Italy
Prior art keywords
helicopter blade
helicopter
blade
Prior art date
Application number
IT29551/72A
Other languages
English (en)
Original Assignee
United Aircraft 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 Aircraft Corp filed Critical United Aircraft Corp
Application granted granted Critical
Publication of IT967763B publication Critical patent/IT967763B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/467—Aerodynamic features

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
IT29551/72A 1971-09-22 1972-09-22 Pala di elicottero IT967763B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18277771A 1971-09-22 1971-09-22

Publications (1)

Publication Number Publication Date
IT967763B true IT967763B (it) 1974-03-11

Family

ID=22669981

Family Applications (1)

Application Number Title Priority Date Filing Date
IT29551/72A IT967763B (it) 1971-09-22 1972-09-22 Pala di elicottero

Country Status (8)

Country Link
US (1) US3728045A (it)
JP (1) JPS5642520B2 (it)
CA (1) CA953276A (it)
DE (1) DE2238248C2 (it)
FR (1) FR2153254B1 (it)
GB (1) GB1391939A (it)
IT (1) IT967763B (it)
MY (1) MY7800257A (it)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4899079A (it) * 1972-03-29 1973-12-15
US4028003A (en) * 1976-04-12 1977-06-07 United Technologies Corporation Torsionally compliant helicopter rotor blade with improved stability and performance characteristics
US4142837A (en) * 1977-11-11 1979-03-06 United Technologies Corporation Helicopter blade
US4248572A (en) * 1978-12-11 1981-02-03 United Technologies Corporation Helicopter blade
FR2463054A1 (fr) * 1979-08-10 1981-02-20 Aerospatiale Profil de pale pour voilure tournante d'aeronef
CA1141738A (fr) * 1979-08-10 1983-02-22 Jacques Gallot Profil de pale voilure tournante d'aeronef
US4314795A (en) * 1979-09-28 1982-02-09 The Boeing Company Advanced airfoils for helicopter rotor application
DE3175016D1 (en) * 1980-03-28 1986-09-04 Westland Plc Helicopter rotor blade
FR2490586A1 (fr) * 1980-09-24 1982-03-26 Aerospatiale Profil de pale pour voilure tournante d'aeronef
JPS5894911U (ja) * 1981-12-21 1983-06-28 株式会社ト−プラ フランジ付きボルト
US4569633A (en) * 1983-04-18 1986-02-11 United Technologies Corporation Airfoil section for a rotor blade of a rotorcraft
US4744728A (en) * 1986-09-03 1988-05-17 United Technologies Corporation Helicopter blade airfoil
USRE33589E (en) * 1986-09-03 1991-05-14 United Technologies Corporation Helicopter blade airfoil
JP2633413B2 (ja) * 1991-06-03 1997-07-23 富士重工業株式会社 回転翼航空機の回転翼羽根
FR2689852B1 (fr) * 1992-04-09 1994-06-17 Eurocopter France Pale pour voilure tournante d'aeronef, a extremite en fleche.
JP3544711B2 (ja) * 1994-08-02 2004-07-21 富士重工業株式会社 回転翼航空機の回転翼羽根
JP2728651B2 (ja) * 1996-03-08 1998-03-18 株式会社コミュータヘリコプタ先進技術研究所 ヘリコプタブレード用翼型
FR2765187B1 (fr) 1997-06-25 1999-08-27 Onera (Off Nat Aerospatiale) Profil de pale pour voilure tournante d'aeronef et pale pour voilure tournante presentant un tel profil
JP3051366B2 (ja) * 1997-10-23 2000-06-12 株式会社コミュータヘリコプタ先進技術研究所 ヘリコプタブレード用翼型
US7854593B2 (en) * 2006-02-16 2010-12-21 Sikorsky Aircraft Corporation Airfoil for a helicopter rotor blade
US20150078909A1 (en) * 2013-09-16 2015-03-19 Bell Helicopter Textron Inc. Rotor blade and structural system for coupling the rotor blade in a rotor hub
EP3112258B1 (en) * 2015-07-03 2017-09-13 AIRBUS HELICOPTERS DEUTSCHLAND GmbH Airfoils for rotor blades of rotary wing aircrafts

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1692081A (en) * 1925-11-24 1928-11-20 Cierva Juan De La Aircraft with rotative wings
US2152861A (en) * 1934-05-16 1939-04-04 Autogiro Co Of America Blade construction for aircraft sustaining rotors
US2475337A (en) * 1945-06-21 1949-07-05 Mcdonnell Aircraft Corp Rotor blade
US3066742A (en) * 1957-01-11 1962-12-04 Georgia Tech Res Inst Rotor blade
US3065933A (en) * 1960-05-20 1962-11-27 Frank Krause Jr A Helicopter
US3173490A (en) * 1962-07-25 1965-03-16 Hiller Aircraft Company Inc Propeller blade for vtol aircraft
US3392788A (en) * 1965-12-03 1968-07-16 Bell Aerospace Corp Rotor blade

Also Published As

Publication number Publication date
FR2153254A1 (it) 1973-05-04
GB1391939A (en) 1975-04-23
MY7800257A (en) 1978-12-31
US3728045A (en) 1973-04-17
FR2153254B1 (it) 1976-08-13
DE2238248A1 (de) 1973-03-29
DE2238248C2 (de) 1986-06-26
JPS4840198A (it) 1973-06-13
CA953276A (en) 1974-08-20
JPS5642520B2 (it) 1981-10-05

Similar Documents

Publication Publication Date Title
SE431306B (sv) Rakbladsenhet
DK617972A (da) Helikopter
AT320472B (de) Rasierklinge
IT967763B (it) Pala di elicottero
AR201729A1 (es) Hoja de afeitar
NL7504297A (nl) Schroefbladconstructie.
CH547687A (de) Rasierapparat.
SE7508734L (sv) Propeller
FI54455C (fi) Baerrulle foer bandtransportoerer eller rullbanor
IT971338B (it) Fresa
NL7513514A (nl) Propeller.
BR7204583D0 (pt) Laminas trituradoras
FI55945C (fi) Kippbar degel eller konverter
IT1014735B (it) Pala di elicottero
NL177992C (nl) Hefschroefvliegtuig.
NO141546C (no) Sagblad.
BE777939A (fr) Couteaux
SE384463B (sv) Huggkniv
AT365963B (de) Rasierklingeneinheit
IT948017B (it) Fresa con lame o placchette regolabili
SE431305B (sv) Rakbladsenhet
CH536696A (de) Schere
IT940861B (it) Rotore per elicottero
NL171134C (nl) Scheermesbladeenheid.
FI55703C (fi) Blad foer rengoering av vaegytor