FR2278573A1 - Moyeu de rotor pour helicoptere comportant des elements flexibles jouant le role d'articulations virtuelles - Google Patents

Moyeu de rotor pour helicoptere comportant des elements flexibles jouant le role d'articulations virtuelles

Info

Publication number
FR2278573A1
FR2278573A1 FR7420532A FR7420532A FR2278573A1 FR 2278573 A1 FR2278573 A1 FR 2278573A1 FR 7420532 A FR7420532 A FR 7420532A FR 7420532 A FR7420532 A FR 7420532A FR 2278573 A1 FR2278573 A1 FR 2278573A1
Authority
FR
France
Prior art keywords
helicopters
role
rotor hub
flexible elements
containing flexible
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.)
Granted
Application number
FR7420532A
Other languages
English (en)
Other versions
FR2278573B1 (fr
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.)
COSTRUZIONI AERONAUTICHE AGUSTA
Agusta SpA
Original Assignee
COSTRUZIONI AERONAUTICHE AGUSTA
Costruzioni Aeronautiche Giovanni Augusta SpA
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 COSTRUZIONI AERONAUTICHE AGUSTA, Costruzioni Aeronautiche Giovanni Augusta SpA filed Critical COSTRUZIONI AERONAUTICHE AGUSTA
Publication of FR2278573A1 publication Critical patent/FR2278573A1/fr
Application granted granted Critical
Publication of FR2278573B1 publication Critical patent/FR2278573B1/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/33—Rotors having flexing arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)
  • Fluid-Damping Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
FR7420532A 1974-03-07 1974-06-13 Moyeu de rotor pour helicoptere comportant des elements flexibles jouant le role d'articulations virtuelles Granted FR2278573A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT49159/74A IT1011053B (it) 1974-03-07 1974-03-07 Mozzo di rotore per elicottero dota do ti elementi flessibili quali ar ticolazioni virtuali

Publications (2)

Publication Number Publication Date
FR2278573A1 true FR2278573A1 (fr) 1976-02-13
FR2278573B1 FR2278573B1 (fr) 1976-12-24

Family

ID=11269808

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7420532A Granted FR2278573A1 (fr) 1974-03-07 1974-06-13 Moyeu de rotor pour helicoptere comportant des elements flexibles jouant le role d'articulations virtuelles

Country Status (6)

Country Link
US (1) US3941503A (fr)
DE (1) DE2428534A1 (fr)
FR (1) FR2278573A1 (fr)
GB (1) GB1467712A (fr)
IT (1) IT1011053B (fr)
NL (1) NL159342B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1458874A (en) * 1974-09-06 1976-12-15 Westland Aircraft Ltd Semi-rigid rotors for 'otary wing aircraft
DE2648343C3 (de) * 1976-10-26 1981-06-19 Messerschmitt-Bölkow-Blohm GmbH, 8000 München Schlag- und schwenkgelenkloser Rotor für Drehflügelflugzeuge
US4564336A (en) * 1982-03-15 1986-01-14 Hughes Helicopters, Inc. Low drag, bearingless rotor head for helicopters
US4543040A (en) * 1982-09-30 1985-09-24 The Boeing Company Helicopter rotor system
US5511947A (en) * 1995-02-17 1996-04-30 The Boeing Company Cyclic pitch control having torsion spring system
ITTO20020509A1 (it) * 2002-06-14 2003-12-15 Agusta Spa Mozzo per un rotore di un elicottero e rotore provvisto di tale mozzo
CA3004054C (fr) 2017-05-05 2024-02-13 Laflamme Aero Inc. Assemblage de moyeu de rotor d'helicoptere et helicoptere comportant ledit assemblage

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051476A (fr) *
US2949967A (en) * 1959-05-25 1960-08-23 Hughes Tool Co Blade-to-hub connector for thrust producing rotor
US3026942A (en) * 1959-07-07 1962-03-27 Bell Helicopter Corp Helicopter rotor system
US3280918A (en) * 1965-04-26 1966-10-25 Bell Aerospace Corp Rotor construction
FR1568117A (fr) * 1968-02-12 1969-05-23
US3520637A (en) * 1969-07-24 1970-07-14 Boeing Co Torsion-tension coupling
US3695779A (en) * 1970-05-18 1972-10-03 Lockheed Aircraft Corp Rotor system including a blade retention member
FR2125150B1 (fr) * 1971-02-15 1973-12-07 Aerospatiale

Also Published As

Publication number Publication date
NL7407723A (nl) 1975-09-09
DE2428534A1 (de) 1975-09-18
IT1011053B (it) 1977-01-20
GB1467712A (en) 1977-03-23
FR2278573B1 (fr) 1976-12-24
US3941503A (en) 1976-03-02
NL159342B (nl) 1979-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse