IT1293409B1 - Metodo di sorveglianza di un gruppo di trasmissione in un veicolo dotato di sensori accelerometrici, in particolare in un elicottero. - Google Patents

Metodo di sorveglianza di un gruppo di trasmissione in un veicolo dotato di sensori accelerometrici, in particolare in un elicottero.

Info

Publication number
IT1293409B1
IT1293409B1 IT97TO000591A ITTO970591A IT1293409B1 IT 1293409 B1 IT1293409 B1 IT 1293409B1 IT 97TO000591 A IT97TO000591 A IT 97TO000591A IT TO970591 A ITTO970591 A IT TO970591A IT 1293409 B1 IT1293409 B1 IT 1293409B1
Authority
IT
Italy
Prior art keywords
helicopter
surveillance
transmission unit
vehicle equipped
accelerometric sensors
Prior art date
Application number
IT97TO000591A
Other languages
English (en)
Inventor
Bruno Maino
Alberto Bellazzi
Original Assignee
Finmeccanica 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 Finmeccanica Spa filed Critical Finmeccanica Spa
Priority to IT97TO000591A priority Critical patent/IT1293409B1/it
Priority to EP98112392A priority patent/EP0889313B1/en
Priority to DE69813390T priority patent/DE69813390T2/de
Priority to JP19025598A priority patent/JP4220019B2/ja
Priority to US09/110,622 priority patent/US6016994A/en
Publication of ITTO970591A1 publication Critical patent/ITTO970591A1/it
Application granted granted Critical
Publication of IT1293409B1 publication Critical patent/IT1293409B1/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/028—Acoustic or vibration analysis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/12—Rotor drives
    • B64C27/14—Direct drive between power plant and rotor hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Traffic Control Systems (AREA)
  • Control Of Transmission Device (AREA)
IT97TO000591A 1997-07-04 1997-07-04 Metodo di sorveglianza di un gruppo di trasmissione in un veicolo dotato di sensori accelerometrici, in particolare in un elicottero. IT1293409B1 (it)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT97TO000591A IT1293409B1 (it) 1997-07-04 1997-07-04 Metodo di sorveglianza di un gruppo di trasmissione in un veicolo dotato di sensori accelerometrici, in particolare in un elicottero.
EP98112392A EP0889313B1 (en) 1997-07-04 1998-07-03 A method of monitoring a transmission assembly of a vehicle equipped with acceleration sensors, in particular a helicopter
DE69813390T DE69813390T2 (de) 1997-07-04 1998-07-03 Verfahren zur Überwachung eines Fahrzeuggetriebes mit Beschleunigungsaufnehmern, insbesondere für Hubschrauber
JP19025598A JP4220019B2 (ja) 1997-07-04 1998-07-06 加速度センサを備えたヘリコプタの動力伝達装置を監視する方法
US09/110,622 US6016994A (en) 1997-07-04 1998-07-06 Method of monitoring a transmission assembly of a vehicle equipped with acceleration sensors, in particular a helicopter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97TO000591A IT1293409B1 (it) 1997-07-04 1997-07-04 Metodo di sorveglianza di un gruppo di trasmissione in un veicolo dotato di sensori accelerometrici, in particolare in un elicottero.

Publications (2)

Publication Number Publication Date
ITTO970591A1 ITTO970591A1 (it) 1999-01-04
IT1293409B1 true IT1293409B1 (it) 1999-03-01

Family

ID=11415834

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97TO000591A IT1293409B1 (it) 1997-07-04 1997-07-04 Metodo di sorveglianza di un gruppo di trasmissione in un veicolo dotato di sensori accelerometrici, in particolare in un elicottero.

Country Status (5)

Country Link
US (1) US6016994A (it)
EP (1) EP0889313B1 (it)
JP (1) JP4220019B2 (it)
DE (1) DE69813390T2 (it)
IT (1) IT1293409B1 (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2803036B1 (fr) * 1999-12-23 2002-10-11 Snecma Detection de l'endommagement de pieces d'un moteur
US6745153B2 (en) * 2001-11-27 2004-06-01 General Motors Corporation Data collection and manipulation apparatus and method
US7912659B2 (en) 2004-06-28 2011-03-22 General Electric Company System and method for monitoring the condition of a drive train
IT1401616B1 (it) * 2010-08-16 2013-07-26 Tecnocad Progetti S P A Gruppo di propulsione e trasmissione del moto, particolarmente per un velivolo ad ala rotante
CN102539151B (zh) * 2012-01-18 2014-05-14 北京工业大学 一种汽车变速器智能化在线质量检测方法
FR2994261B1 (fr) 2012-07-31 2014-07-18 Eurocopter France Procede de detection de defauts d'un roulement par analyse vibratoire
US10424134B2 (en) 2016-08-17 2019-09-24 Bell Helicopter Textron Inc. Diagnostic method, system and device for a rotorcraft drive system
US10643405B2 (en) 2016-08-17 2020-05-05 Bell Helicopter Textron Inc. Diagnostic method, system and device for a rotorcraft drive system
US10464689B2 (en) * 2016-08-17 2019-11-05 Bell Helicopter Textron Inc. Diagnostic method, system and device for a rotorcraft drive system
US10380810B2 (en) 2016-08-17 2019-08-13 Bell Helicopter Textron Inc. Diagnostic method, system and device for a rotorcraft drive system
CN110697075B (zh) * 2019-09-29 2022-11-25 中国直升机设计研究所 一种直升机hums振动阈值生成方法
US11780610B2 (en) 2019-11-07 2023-10-10 Ge Aviation Systems Limited Monitoring of a revolving component employing time-synchronized multiple detectors
EP4091945B1 (en) 2021-05-18 2023-09-06 Leonardo S.p.a. Method and system for detecting anomalies relating to components of a transmission system of an aircraft, in particular a helicopter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3699806A (en) * 1967-07-14 1972-10-24 Bjorn Weichbrodt Early detection of damage to machine elements in rolling engagement
US5210704A (en) * 1990-10-02 1993-05-11 Technology International Incorporated System for prognosis and diagnostics of failure and wearout monitoring and for prediction of life expectancy of helicopter gearboxes and other rotating equipment
US5365787A (en) * 1991-10-02 1994-11-22 Monitoring Technology Corp. Noninvasive method and apparatus for determining resonance information for rotating machinery components and for anticipating component failure from changes therein
US5501105A (en) * 1991-10-02 1996-03-26 Monitoring Technology Corp. Digital signal processing of encoder signals to detect resonances in rotating machines
US5813292A (en) * 1995-12-15 1998-09-29 Sikorsky Aircraft Corporation Method for fabricating a split path transmission system providing equal torque splitting between the split load paths of each gear train thereof at a predefined operating point

Also Published As

Publication number Publication date
JPH11124098A (ja) 1999-05-11
US6016994A (en) 2000-01-25
JP4220019B2 (ja) 2009-02-04
DE69813390D1 (de) 2003-05-22
ITTO970591A1 (it) 1999-01-04
DE69813390T2 (de) 2003-12-11
EP0889313B1 (en) 2003-04-16
EP0889313A3 (en) 1999-05-19
EP0889313A2 (en) 1999-01-07

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