EG14278A - Variable incidence helicopter stabilates and fail safe actuator - Google Patents

Variable incidence helicopter stabilates and fail safe actuator

Info

Publication number
EG14278A
EG14278A EG154/78A EG15478A EG14278A EG 14278 A EG14278 A EG 14278A EG 154/78 A EG154/78 A EG 154/78A EG 15478 A EG15478 A EG 15478A EG 14278 A EG14278 A EG 14278A
Authority
EG
Egypt
Prior art keywords
stabilates
helicopter
fail safe
variable incidence
safe actuator
Prior art date
Application number
EG154/78A
Other languages
English (en)
Inventor
G Raymond
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 EG14278A publication Critical patent/EG14278A/xx

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
    • G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
    • G05D1/0808—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft
    • G05D1/0858—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft specially adapted for vertical take-off of aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Toys (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Catching Or Destruction (AREA)
EG154/78A 1977-03-08 1978-06-07 Variable incidence helicopter stabilates and fail safe actuator EG14278A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/775,670 US4103848A (en) 1977-03-08 1977-03-08 Variable incidence helicopter stabilator and fail safe actuator

Publications (1)

Publication Number Publication Date
EG14278A true EG14278A (en) 1983-12-31

Family

ID=25105121

Family Applications (1)

Application Number Title Priority Date Filing Date
EG154/78A EG14278A (en) 1977-03-08 1978-06-07 Variable incidence helicopter stabilates and fail safe actuator

Country Status (15)

Country Link
US (1) US4103848A (xx)
JP (1) JPS53112000A (xx)
AU (1) AU512187B2 (xx)
BE (1) BE864495A (xx)
CA (1) CA1091213A (xx)
CH (1) CH630575A5 (xx)
DE (1) DE2808791A1 (xx)
DK (1) DK93878A (xx)
EG (1) EG14278A (xx)
FR (1) FR2383475A1 (xx)
GB (1) GB1570051A (xx)
IL (1) IL54158A (xx)
IT (1) IT1093182B (xx)
NL (1) NL7802465A (xx)
NO (1) NO145462C (xx)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168045A (en) * 1978-02-28 1979-09-18 United Technologies Corporation Speed and collective pitch bias of helicopter longitudinal cyclic pitch
US4247061A (en) * 1978-07-12 1981-01-27 United Technologies Corporation Helicopter with stabilator detuned in antisymmetric vibration modes from main rotor wake excitation frequency
US4304375A (en) * 1979-05-17 1981-12-08 Textron Inc. Electrically controlled elevator
US4312039A (en) * 1980-01-24 1982-01-19 Sperry Corporation Transient free synchronization system
CA1161413A (en) * 1980-10-10 1984-01-31 Roderick A. Maclennan Automatic lock-positioning of foldable helicopter blades
IT8553439V0 (it) * 1985-05-30 1985-05-30 Agusta Aeronaut Costr Elicottero
US5607122A (en) * 1994-12-22 1997-03-04 Bell Helicopter Textron Inc. Tail rotor authority control for a helicopter
US5654906A (en) * 1995-07-06 1997-08-05 Youngquist; John S. Rate gyro error correction and use as heading source
WO1999067130A1 (en) 1998-06-25 1999-12-29 Sikorsky Aircraft Corporation Horizontal stabilizer for rotorcraft
US6776376B2 (en) 2002-10-18 2004-08-17 Hamilton Sunstrand Flight control surface actuation system
US6885917B2 (en) * 2002-11-07 2005-04-26 The Boeing Company Enhanced flight control systems and methods for a jet powered tri-mode aircraft
US7883059B2 (en) * 2007-05-17 2011-02-08 Insitu, Inc. Actuator systems and associated methods for unmanned air vehicles and other applications
FR2916420B1 (fr) * 2007-05-22 2009-08-28 Eurocopter France Helicoptere hybride rapide a grande distance franchissable avec controle de l'assiette longitudinale.
US7970498B2 (en) * 2007-06-01 2011-06-28 Sikorsky Aircraft Corporation Model based sensor system for loads aware control laws
US8235327B2 (en) * 2009-03-18 2012-08-07 Insitu, Inc. Adjustable servomechanism assemblies and associated systems and methods
US9506945B2 (en) 2014-06-10 2016-11-29 Sikorsky Aircraft Corporation Rotorcraft flight parameter estimation
FR3035979B1 (fr) 2015-05-05 2018-08-17 Airbus Helicopters Loi de commande avancee pour empennage braquable
CN114924581B (zh) * 2022-07-21 2022-12-13 成都飞机工业（集团）有限责任公司 一种单余度无人机俯仰角失效的判定方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2225002A (en) * 1938-12-03 1940-12-17 Focke Henrich Control means for rotating wing aircraft
US2630985A (en) * 1950-12-07 1953-03-10 United Aircraft Corp Helicopter stabilizer
GB860793A (en) * 1957-04-17 1961-02-08 Snecma Device for controlling and coordinating the controls of an aircraft
US3081052A (en) * 1957-06-03 1963-03-12 United Aircraft Corp Variable stabilizing means
US3143693A (en) * 1960-02-26 1964-08-04 Smiths America Corp Automatic trimming systems for the control surfaces of a moving craft
US3105659A (en) * 1962-03-30 1963-10-01 United Aircraft Corp Compound helicopter
US3145330A (en) * 1962-11-16 1964-08-18 Sperry Rand Corp Servomechanism apparatus
US3309588A (en) * 1963-12-05 1967-03-14 Ferranti Ltd Multiplex servo system for servo motors mechanically connected in series
US3721404A (en) * 1971-11-10 1973-03-20 United Aircraft Corp Helicopter floating stabilator control system
US3813990A (en) * 1972-04-12 1974-06-04 Gen Electric Servo system including flow voting redundant failure correcting hydraulic actuator
US3920966A (en) * 1974-04-29 1975-11-18 Us Air Force Blended manual-automatic control system

Also Published As

Publication number Publication date
AU512187B2 (en) 1980-09-25
JPS53112000A (en) 1978-09-29
IT7820945A0 (it) 1978-03-07
JPH026679B2 (xx) 1990-02-13
DE2808791C2 (xx) 1989-03-23
BE864495A (fr) 1978-07-03
CH630575A5 (de) 1982-06-30
NO145462C (no) 1982-03-31
NL7802465A (nl) 1978-09-12
CA1091213A (en) 1980-12-09
DE2808791A1 (de) 1978-09-14
AU3382078A (en) 1979-09-06
IL54158A (en) 1983-09-30
GB1570051A (en) 1980-06-25
NO145462B (no) 1981-12-21
DK93878A (da) 1978-09-09
NO780718L (no) 1978-09-11
IT1093182B (it) 1985-07-19
FR2383475B1 (xx) 1984-07-13
FR2383475A1 (fr) 1978-10-06
US4103848A (en) 1978-08-01

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