IL86207A - Landing gear load transducer - Google Patents

Landing gear load transducer

Info

Publication number
IL86207A
IL86207A IL86207A IL8620788A IL86207A IL 86207 A IL86207 A IL 86207A IL 86207 A IL86207 A IL 86207A IL 8620788 A IL8620788 A IL 8620788A IL 86207 A IL86207 A IL 86207A
Authority
IL
Israel
Prior art keywords
landing gear
load transducer
gear load
transducer
landing
Prior art date
Application number
IL86207A
Other languages
English (en)
Other versions
IL86207A0 (en
Original Assignee
Bell Helicopter Textron Inc
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 Bell Helicopter Textron Inc filed Critical Bell Helicopter Textron Inc
Publication of IL86207A0 publication Critical patent/IL86207A0/xx
Publication of IL86207A publication Critical patent/IL86207A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/02—Undercarriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C25/52—Skis or runners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D45/00—Aircraft indicators or protectors not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
    • G01G19/07—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing aircraft
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
    • G01G19/12—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles having electrical weight-sensitive devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C25/00—Alighting gear
    • B64C25/32—Alighting gear characterised by elements which contact the ground or similar surface 
    • B64C2025/325—Alighting gear characterised by elements which contact the ground or similar surface  specially adapted for helicopters

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Measurement Of Force In General (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)
  • Vibration Dampers (AREA)
IL86207A 1987-04-29 1988-04-27 Landing gear load transducer IL86207A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/119,831 US4850552A (en) 1987-04-29 1987-04-29 Landing gear load transducer
PCT/US1987/000936 WO1988008391A1 (en) 1987-04-29 1987-04-29 Landing gear load transducer

Publications (2)

Publication Number Publication Date
IL86207A0 IL86207A0 (en) 1988-11-15
IL86207A true IL86207A (en) 1991-03-10

Family

ID=22202365

Family Applications (2)

Application Number Title Priority Date Filing Date
IL86208A IL86208A0 (en) 1987-04-29 1988-04-27 Quick hydraulic coupler
IL86207A IL86207A (en) 1987-04-29 1988-04-27 Landing gear load transducer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IL86208A IL86208A0 (en) 1987-04-29 1988-04-27 Quick hydraulic coupler

Country Status (10)

Country Link
US (1) US4850552A (pt)
EP (1) EP0312547B1 (pt)
JP (1) JPH01503530A (pt)
KR (1) KR920007866B1 (pt)
AU (1) AU593956B2 (pt)
BR (1) BR8707733A (pt)
CA (1) CA1321381C (pt)
DE (1) DE3775065D1 (pt)
IL (2) IL86208A0 (pt)
WO (1) WO1988008391A1 (pt)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045649A (en) * 1989-10-03 1991-09-03 Bell Helicopter Textron Inc. Self-adjusting slide assembly for weight on gear switch
US5358201A (en) * 1993-02-05 1994-10-25 Brown Sr Louis S Vehicle skid assembly
GB9828475D0 (en) 1998-12-24 1999-02-17 British Aerospace Load measurement
US6676075B2 (en) * 2001-08-30 2004-01-13 The Boeing Company Airplane hard landing indication system
CN100441479C (zh) * 2004-08-10 2008-12-10 贝尔直升机泰克斯特龙公司 起落架上重量确定方法、传感器以及传感器支架和飞机
CA2487704A1 (en) 2004-11-18 2006-05-18 R. Kyle Schmidt Method and system for health monitoring of aircraft landing gear
CA2509742A1 (en) 2005-06-10 2006-12-10 Messier-Dowty Inc. System and method for determining aircraft hard landing events from inertial and aircraft reference frame data
US7719416B2 (en) * 2005-09-09 2010-05-18 Microstrain, Inc. Energy harvesting, wireless structural health monitoring system
US7967244B2 (en) * 2006-11-16 2011-06-28 The Boeing Company Onboard aircraft weight and balance system
GB2452939B (en) * 2007-09-19 2011-09-07 Messier Dowty Ltd Overload detection
GB2478579A (en) * 2010-03-11 2011-09-14 Messier Dowty Ltd Aircraft landing gear stop pad
DE102010020445B4 (de) * 2010-05-12 2019-04-04 Deutsches Zentrum für Luft- und Raumfahrt e.V. Bodenkontakterkennung
US8359932B2 (en) 2010-07-19 2013-01-29 Goodrich Corporation Systems and methods for mounting landing gear strain sensors
US8607640B2 (en) 2010-07-19 2013-12-17 Odd Harald Steen Eriksen Sensor for measuring large mechanical strains in shear or lateral translation
US8659307B2 (en) 2010-08-17 2014-02-25 Rosemount Aerospace Inc. Capacitive sensors for monitoring load bearing on pins
US8286508B2 (en) 2010-07-19 2012-10-16 Goodrich Corporation Systems and methods for measuring angular motion
US8627727B2 (en) 2010-07-19 2014-01-14 United Technologies Corporation Sensor for measuring large mechanical strains with fine adjustment device
US8933713B2 (en) 2010-07-19 2015-01-13 Goodrich Corporation Capacitive sensors for monitoring loads
US10131419B2 (en) 2010-10-15 2018-11-20 Goodrich Corporation Systems and methods for detecting landing gear ground loads
EP2450677B1 (en) 2010-11-09 2014-01-22 Eurocopter Deutschland GmbH Helicopter weighing system and method of operating such a weighing system
GB2485803B (en) * 2010-11-24 2013-02-06 Messier Dowty Ltd Mechanical position indicator
US8752784B2 (en) 2011-04-07 2014-06-17 Lord Corporation Aircraft rotary wing motion control and instrumented motion control fluid device
KR101246046B1 (ko) 2011-06-29 2013-03-26 (주)시스윈일렉트로닉스 무인 비행로봇의 안전 착륙 장치 및 방법
US9567097B2 (en) 2012-02-03 2017-02-14 Rosemount Aerospace Inc. System and method for real-time aircraft performance monitoring
EP2672238A1 (en) 2012-06-06 2013-12-11 Eurocopter Deutschland GmbH Ground load detection system and method of operating said system
US20130341461A1 (en) * 2012-06-26 2013-12-26 Bell Helicopter Textron Inc. Lightweight Helicopter Skid Shoes
US9551609B2 (en) * 2013-07-30 2017-01-24 The Boeing Company Modal acoustic aircraft weight system
US9726516B2 (en) 2015-08-06 2017-08-08 Hamilton Sundstrand Corporation Differential motion sensor
IL244904A (en) * 2016-04-04 2017-09-28 Elbit Systems Ltd A method and method for estimating weight and balance for air-space vehicles
US10031037B1 (en) * 2017-05-15 2018-07-24 Goodrich Corporation Stressroll load cells and methods for measuring effects of off-axis loads
US11092476B2 (en) 2017-12-28 2021-08-17 Spartan Enterrises, Inc. Scale and monitoring system for rubber recycling processes and other uses which may be used to optimize collection, freight and downstream recycling processes
US10625876B2 (en) 2018-08-08 2020-04-21 Aurora Flight Sciences Corporation Aircraft landing systems and methods for monitoring a vertical landing of an aircraft
JP7269033B2 (ja) 2019-03-01 2023-05-08 株式会社Subaru 回転翼航空機

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443045A (en) * 1944-03-09 1948-06-08 Glenn L Martin Co Strain gauge center of gravity and gross weight meter
US2559718A (en) * 1944-05-26 1951-07-10 Curtiss Wright Corp Weight and center of gravity indicator
US2615330A (en) * 1945-11-13 1952-10-28 Douglas Aircraft Co Inc Weight and balance indicator
US2722587A (en) * 1953-03-20 1955-11-01 Lockheed Aircraft Corp Electric strain sensing device
US3136154A (en) * 1958-11-20 1964-06-09 Douglas Aircraft Co Inc Fatigue monitor
US3387802A (en) * 1966-07-05 1968-06-11 Lockheed Aircraft Corp Aircraft landing gear
US3513300A (en) * 1967-08-23 1970-05-19 Jack Asher Elfenbein Aircraft weight and center of gravity computer
US3602041A (en) * 1969-05-28 1971-08-31 Us Army Engine wear life measurement
US3650340A (en) * 1969-07-02 1972-03-21 Art S Way Mfg Co Inc Strain gage weighing device
US3603418A (en) * 1969-10-17 1971-09-07 Gen Trailer Co Inc Vehicle load measuring apparatus
US3620074A (en) * 1970-01-19 1971-11-16 Blh Electronics Shear-type transducers compensated for effects of non-uniform bending
US3701279A (en) * 1971-02-08 1972-10-31 Electro Dev Corp Aircraft weight and center of gravity indicator system
US3802523A (en) * 1972-11-20 1974-04-09 Marconi C Co Anti-stiction device
US3991618A (en) * 1973-12-18 1976-11-16 Maschinenfabrik Fahr Aktiengesellschaft Sensor for automatic steering system for row-crop harvester
US3878908A (en) * 1974-03-05 1975-04-22 Asea Ab Means for measuring the axle load in vehicles
US4215754A (en) * 1978-11-20 1980-08-05 Structural Instrumentation, Inc. Load measuring system for leaf spring suspensions
FR2520870A1 (fr) * 1982-01-29 1983-08-05 Sfena Dispositif permettant de mesurer la charge repartie sur les moyens de roulement d'un train d'atterrissage d'un aeronef
US4574360A (en) * 1983-04-01 1986-03-04 Sundstrand Data Control, Inc. Helicopter weight measuring system
US6094643A (en) * 1996-06-14 2000-07-25 Card Alert Services, Inc. System for detecting counterfeit financial card fraud

Also Published As

Publication number Publication date
KR880012439A (ko) 1988-11-26
EP0312547A1 (en) 1989-04-26
IL86208A0 (en) 1988-11-15
AU8152387A (en) 1988-12-02
US4850552A (en) 1989-07-25
AU593956B2 (en) 1990-02-22
CA1321381C (en) 1993-08-17
WO1988008391A1 (en) 1988-11-03
BR8707733A (pt) 1989-10-03
DE3775065D1 (de) 1992-01-16
EP0312547A4 (en) 1989-09-04
JPH01503530A (ja) 1989-11-30
EP0312547B1 (en) 1991-12-04
KR920007866B1 (en) 1992-09-18
IL86207A0 (en) 1988-11-15

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Legal Events

Date Code Title Description
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees