CA973952A - Load stability system - Google Patents

Load stability system

Info

Publication number
CA973952A
CA973952A CA139,461A CA139461A CA973952A CA 973952 A CA973952 A CA 973952A CA 139461 A CA139461 A CA 139461A CA 973952 A CA973952 A CA 973952A
Authority
CA
Canada
Prior art keywords
stability system
load stability
load
stability
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
CA139,461A
Other languages
English (en)
Other versions
CA139461S (en
Inventor
Donald W. Fowler
Sean J. O'connor
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.)
RTX 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
Application granted granted Critical
Publication of CA973952A publication Critical patent/CA973952A/en
Expired legal-status Critical Current

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)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
  • Gyroscopes (AREA)
CA139,461A 1971-08-05 1972-04-11 Load stability system Expired CA973952A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16919771A 1971-08-05 1971-08-05

Publications (1)

Publication Number Publication Date
CA973952A true CA973952A (en) 1975-09-02

Family

ID=22614590

Family Applications (1)

Application Number Title Priority Date Filing Date
CA139,461A Expired CA973952A (en) 1971-08-05 1972-04-11 Load stability system

Country Status (7)

Country Link
US (1) US3756543A (2)
JP (1) JPS5538319B1 (2)
CA (1) CA973952A (2)
DE (1) DE2233938C3 (2)
FR (1) FR2149777A5 (2)
GB (1) GB1340293A (2)
IT (1) IT963736B (2)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3833189A (en) * 1971-08-05 1974-09-03 United Aircraft Corp Load stability system
US3904156A (en) * 1974-07-11 1975-09-09 Us Army External load stabilization apparatus
US4453378A (en) * 1982-04-19 1984-06-12 Chandler Evans, Inc. Torsional mode suppressor
US4741501A (en) * 1986-01-15 1988-05-03 United Technologies Corporation Preventing augmenting vertical load induced oscillations in a helicopter
US4918418A (en) * 1988-08-04 1990-04-17 Caterpillar Inc. Inductive coil structure with electrical return path
AU744078B2 (en) * 1996-03-15 2002-02-14 Aktsionernoe Obschestvo Zakrytogo Tipa "Aerinn" Device for hauling felled trees by helicopter
RU2095288C1 (ru) * 1996-03-15 1997-11-10 Акционерное общество закрытого типа "АЭРИНН" Устройство для вертолетной трелевки поваленных деревьев
RU2275950C2 (ru) * 2004-01-28 2006-05-10 Марийский государственный технический университет Вертолетный подвес
US7954766B2 (en) * 2005-06-24 2011-06-07 Sikorsky Aircraft Corporation System and method for improved rotary-wing aircraft performance with interior/external loads
DE102008025298B4 (de) * 2008-05-27 2010-12-16 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und Vorrichtung zur aktiven Dämpfung von Vertikalschwingungen bei einem Hubschrauber mit angehängter Außenlast
FR2936491B1 (fr) 2008-09-26 2010-10-08 Eurocopter France Procede de largage d'une charge externe portee par un aeronef et dispositif associe.
FR2953493B1 (fr) 2009-12-08 2012-01-27 Eurocopter France Aeronef muni d'un dispositif d'aide au pilotage lorsqu'il porte une charge externe avec une elingue, et procede mis en oeuvre par ledit dispositif
DE202010002309U1 (de) 2010-02-11 2010-05-06 Deutsches Zentrum für Luft- und Raumfahrt e.V. Reglereinrichtung für Helikopter
US8676405B2 (en) * 2010-03-23 2014-03-18 Sikorsky Aircraft Corporation External load inverse plant
DE102010023228B4 (de) 2010-06-09 2012-07-12 Deutsches Zentrum für Luft- und Raumfahrt e.V. Stabilisierungseinrichtung
FR2977565B1 (fr) 2011-07-07 2013-07-12 Eurocopter France Dispositif de fixation et de controle de l'inclinaison d'une elingue, et aeronef
US9650137B2 (en) * 2014-02-27 2017-05-16 The Boeing Company Movement detection of hanging loads
US9422139B1 (en) * 2014-05-19 2016-08-23 Google Inc. Method of actively controlling winch swing via modulated uptake and release
US9829344B2 (en) * 2015-03-18 2017-11-28 The Boeing Company Cable angle sensor
US9969494B1 (en) 2015-09-28 2018-05-15 Amazon Technologies, Inc. Delivery drop platforms, tethers, and stabilization
US10071804B1 (en) 2015-09-28 2018-09-11 Amazon Technologies, Inc. Delivery drop rate modulation
CA2947688C (en) * 2015-11-06 2023-08-01 David RANCOURT Tethered wing structures complex flight path
US10414488B2 (en) * 2016-09-09 2019-09-17 Wing Aviation Llc Methods and systems for damping oscillations of a payload
US11186357B2 (en) * 2019-01-03 2021-11-30 Textron Innovations Inc. System and method for controlling rotorcraft
DE102020107456A1 (de) * 2020-03-18 2021-09-23 Volocopter Gmbh Verfahren und Steuergerät zur Kurvenkoordinierung eines Fluggerätes sowie ein Fluggerät mit Kurvenkoordinierung
US11608252B1 (en) 2022-02-15 2023-03-21 Innovative Minds, LLC Damper systems for suspended loads
DE102023128082B4 (de) * 2023-10-13 2025-07-10 Deutsches Zentrum für Luft- und Raumfahrt e.V. Verfahren und System zur Stabilisierung einer Außenlast

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2873075A (en) * 1954-05-24 1959-02-10 Honeywell Regulator Co Autoamtic hovering control system
US3055214A (en) * 1956-04-12 1962-09-25 Honeywell Regulator Co Aircraft instruments
US2998210A (en) * 1958-10-03 1961-08-29 United Aircraft Corp Automatic hovering control
US3240447A (en) * 1962-01-10 1966-03-15 North American Aviation Inc Vehicle control system
US3211121A (en) * 1963-10-29 1965-10-12 Shell Oil Co Ship positioning system

Also Published As

Publication number Publication date
FR2149777A5 (2) 1973-03-30
US3756543A (en) 1973-09-04
JPS5538319B1 (2) 1980-10-03
DE2233938A1 (de) 1973-02-15
DE2233938C3 (de) 1978-06-15
GB1340293A (en) 1973-12-12
IT963736B (it) 1974-01-21
DE2233938B2 (de) 1977-10-27

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