FR2156275B1 - - Google Patents

Info

Publication number
FR2156275B1
FR2156275B1 FR7236061A FR7236061A FR2156275B1 FR 2156275 B1 FR2156275 B1 FR 2156275B1 FR 7236061 A FR7236061 A FR 7236061A FR 7236061 A FR7236061 A FR 7236061A FR 2156275 B1 FR2156275 B1 FR 2156275B1
Authority
FR
France
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
Application number
FR7236061A
Other versions
FR2156275A1 (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.)
Raytheon Technologies Corp
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
Publication of FR2156275A1 publication Critical patent/FR2156275A1/fr
Application granted granted Critical
Publication of FR2156275B1 publication Critical patent/FR2156275B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/006—Safety devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transmission Devices (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR7236061A 1971-10-07 1972-10-05 Expired FR2156275B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18734171A 1971-10-07 1971-10-07

Publications (2)

Publication Number Publication Date
FR2156275A1 FR2156275A1 (fr) 1973-05-25
FR2156275B1 true FR2156275B1 (fr) 1976-08-20

Family

ID=22688580

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7236061A Expired FR2156275B1 (fr) 1971-10-07 1972-10-05

Country Status (7)

Country Link
US (1) US3744928A (fr)
JP (1) JPS4846097A (fr)
CA (1) CA956290A (fr)
DE (1) DE2248453A1 (fr)
FR (1) FR2156275B1 (fr)
GB (1) GB1346563A (fr)
IT (1) IT968690B (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960348A (en) * 1975-08-04 1976-06-01 United Technologies Corporation Aerodynamic surface control feel augmentation system
DE2936761C2 (de) * 1979-09-12 1984-07-12 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Kontrollsystem zur Überwachung von unter Gasdruck stehenden Rotorblättern
US4519743A (en) * 1980-03-21 1985-05-28 Massachusetts Institute Of Technology Helicopter individual blade control system
US4648797A (en) * 1983-12-19 1987-03-10 United Technologies Corporation Torque control system
CH671555A5 (fr) * 1986-09-10 1989-09-15 Zermatt Air Ag
US5314147A (en) * 1991-08-27 1994-05-24 United Technologies Corporation Helicopter engine speed enhancement during heavy rotor load and rapid descent rate maneuvering
JP2758374B2 (ja) * 1995-02-28 1998-05-28 株式会社コミュータヘリコプタ先進技術研究所 ヘリコプタロータの高調波制御装置
EP1962164B1 (fr) * 2007-02-16 2011-10-26 Rolls-Royce plc Mesure de portance
GB201004469D0 (en) * 2010-03-18 2010-05-05 Rolls Royce Plc Controlling blade pitch angle
FR3051772B1 (fr) * 2016-05-30 2019-08-23 Airbus Helicopters Procede, dispositif d'aide au pilotage d'un aeronef, et aeronef

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936836A (en) * 1956-06-01 1960-05-17 Kaman Aircraft Corp Mechanism for indicating and correcting lift differences in helicopter rotors
US3175786A (en) * 1962-02-20 1965-03-30 North American Aviation Inc Helicopter flight control system
US3464651A (en) * 1967-05-02 1969-09-02 United Aircraft Corp Rotor load proportioner for a compound helicopter
US3482805A (en) * 1967-11-14 1969-12-09 Siegfried Knemeyer System for stabilizing the collective control of a helicopter or the corresponding control of other vtol aircraft
US3469644A (en) * 1968-02-29 1969-09-30 Boeing Co Weight indicating mechanism

Also Published As

Publication number Publication date
JPS4846097A (fr) 1973-06-30
DE2248453A1 (de) 1973-04-12
CA956290A (en) 1974-10-15
IT968690B (it) 1974-03-20
US3744928A (en) 1973-07-10
FR2156275A1 (fr) 1973-05-25
GB1346563A (en) 1974-02-13

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Legal Events

Date Code Title Description
ST Notification of lapse