GB2192163B - Rotorcraft automatic autorotation entry device - Google Patents

Rotorcraft automatic autorotation entry device

Info

Publication number
GB2192163B
GB2192163B GB8616150A GB8616150A GB2192163B GB 2192163 B GB2192163 B GB 2192163B GB 8616150 A GB8616150 A GB 8616150A GB 8616150 A GB8616150 A GB 8616150A GB 2192163 B GB2192163 B GB 2192163B
Authority
GB
United Kingdom
Prior art keywords
rotorcraft
entry device
autorotation entry
automatic
automatic autorotation
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.)
Expired
Application number
GB8616150A
Other versions
GB8616150D0 (en
GB2192163A (en
Inventor
James J Howlett
Irvin B Alansky
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 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 DE3622031A priority Critical patent/DE3622031C2/en
Application filed by United Technologies Corp filed Critical United Technologies Corp
Priority to GB8616150A priority patent/GB2192163B/en
Priority to FR8610219A priority patent/FR2601326B1/en
Publication of GB8616150D0 publication Critical patent/GB8616150D0/en
Publication of GB2192163A publication Critical patent/GB2192163A/en
Application granted granted Critical
Publication of GB2192163B publication Critical patent/GB2192163B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/54—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement
    • B64C27/56—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated
    • B64C27/57—Mechanisms for controlling blade adjustment or movement relative to rotor head, e.g. lag-lead movement characterised by the control initiating means, e.g. manually actuated automatic or condition responsive, e.g. responsive to rotor speed, torque or thrust
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/10—Simultaneous control of position or course in three dimensions
    • G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
    • G05D1/105—Simultaneous control of position or course in three dimensions specially adapted for aircraft specially adapted for unpowered flight, e.g. glider, parachuting, forced landing
GB8616150A 1986-07-02 1986-07-02 Rotorcraft automatic autorotation entry device Expired GB2192163B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE3622031A DE3622031C2 (en) 1986-07-02 1986-07-01 Control arrangement for a helicopter for automatic transition to autorotation
GB8616150A GB2192163B (en) 1986-07-02 1986-07-02 Rotorcraft automatic autorotation entry device
FR8610219A FR2601326B1 (en) 1986-07-02 1986-07-11 APPARATUS FOR AUTOMATICALLY AUTOROTATING A HELICOPTER ROTOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8616150A GB2192163B (en) 1986-07-02 1986-07-02 Rotorcraft automatic autorotation entry device

Publications (3)

Publication Number Publication Date
GB8616150D0 GB8616150D0 (en) 1986-08-06
GB2192163A GB2192163A (en) 1988-01-06
GB2192163B true GB2192163B (en) 1989-12-13

Family

ID=10600453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8616150A Expired GB2192163B (en) 1986-07-02 1986-07-02 Rotorcraft automatic autorotation entry device

Country Status (3)

Country Link
DE (1) DE3622031C2 (en)
FR (1) FR2601326B1 (en)
GB (1) GB2192163B (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4420059C2 (en) * 1994-06-08 2000-12-14 Leubner Hans Peter Take-off and landing guidance system for rotary wing aircraft and other high-flyers
FR2766158B1 (en) 1997-07-18 1999-10-01 Bonnans Sa PROCEDURE AND DEVICE TO ASSIST THE CONTROL, BY THE PILOT, OF THE POWER LIMITATIONS OF THE TURBOMOTOR (S) AND / OR OF THE ROTOR SPEED OF THERMOPROPULATED HELICOPTERS
US6885917B2 (en) * 2002-11-07 2005-04-26 The Boeing Company Enhanced flight control systems and methods for a jet powered tri-mode aircraft
FR2864028B1 (en) * 2003-12-18 2007-01-12 Eurocopter France DEVICE FOR PROVIDING A PILOT AID OF A GIRAVION DURING AN ENGINE FAILURE
US8360369B2 (en) * 2009-11-24 2013-01-29 Merlin Technology, Inc. Emergency collective actuator and method for a helicopter
US8651425B2 (en) 2009-11-24 2014-02-18 Merlin Technology Inc. Emergency collective actuator and method for a helicopter
US9193450B2 (en) 2012-02-24 2015-11-24 Bell Helicopter Textron Inc. System and method for automation of rotorcraft entry into autorotation and maintenance of stabilized autorotation
US9352831B2 (en) 2013-05-08 2016-05-31 Bell Helicopter Textron Inc. Variable lower limit collective governor to improve recovery
FR3023261B1 (en) 2014-07-03 2016-07-01 Airbus Helicopters METHOD FOR REGULATING THE ROTATION SPEED OF THE MAIN ROTOR OF A MULTI-ENGINE GYROVATOR IN CASE OF FAILURE OF ONE OF THE ENGINES
FR3028839B1 (en) 2014-11-26 2016-11-18 Airbus Helicopters METHOD OF ASSISTING NAVIGATION OF A MULTI-ENGINE ROTOR IN THE EVENT OF AN ENGINE FAILURE, IN THE CONTEXT OF A VARIABLE SPEED TRAINING OF A MAIN ROTOR OF THE GIRAVION
US9957041B2 (en) 2015-05-21 2018-05-01 Merlin Technology, Inc. Advanced emergency collective actuator with friction pull-off and method for a helicopter
FR3041606B1 (en) 2015-09-25 2017-09-29 Airbus Helicopters DEVICE FOR REGULATING THE ROTATION SPEED OF A ROTOR OF GIRAVION, GIRAVION EQUIPPED WITH SUCH A DEVICE AND METHOD OF REGULATING THE SAME
US11194349B2 (en) 2016-06-27 2021-12-07 Sikorsky Aircraft Corporation Automated autorotation and pilot aiding system
FR3061142B1 (en) 2016-12-22 2019-01-25 Airbus Helicopters DEVICE FOR REGULATING THE ROTATION SPEED OF A TREE OF A GIRAVION TURBOMOTEUR GAS GENERATOR, GIRAVION EQUIPPED WITH SUCH A DEVICE AND METHOD OF REGULATING THE SAME
FR3065756B1 (en) 2017-04-28 2019-04-26 Airbus Helicopters DEVICE FOR CONTROLLING A SETTING OF A ROTATION SPEED OF A ROTOR OF A GYROVAN, ROTOR EQUIPPED WITH SUCH A DEVICE AND METHOD OF REGULATING THE SAME
US10703470B2 (en) 2018-02-09 2020-07-07 Textron Innovations Inc. System and method for rotorcraft autorotation entry assist
US11168621B2 (en) 2019-03-05 2021-11-09 Pratt & Whitney Canada Corp. Method and system for operating an engine in a multi-engine aircraft
US11352900B2 (en) 2019-05-14 2022-06-07 Pratt & Whitney Canada Corp. Method and system for operating a rotorcraft engine

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126967A (en) * 1964-03-31 sudrow
US2941605A (en) * 1956-08-29 1960-06-21 United Aircraft Corp Automatic pitch control and release
US2996122A (en) * 1957-11-29 1961-08-15 Vyzk A Zkusebni Letecky Ustav Automatic cyclic pitch control mechanism for rotor blades of helicopter aircraft
US2961052A (en) * 1958-06-03 1960-11-22 Sperry Rand Corp Speed control system for helicopters
US4454754A (en) * 1982-05-26 1984-06-19 Chandler Evans, Inc. Engine failure detector

Also Published As

Publication number Publication date
GB8616150D0 (en) 1986-08-06
GB2192163A (en) 1988-01-06
FR2601326A1 (en) 1988-01-15
FR2601326B1 (en) 1988-10-21
DE3622031A1 (en) 1988-01-07
DE3622031C2 (en) 1995-11-30

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960702