FR2119182A5 - - Google Patents

Info

Publication number
FR2119182A5
FR2119182A5 FR7046433A FR7046433A FR2119182A5 FR 2119182 A5 FR2119182 A5 FR 2119182A5 FR 7046433 A FR7046433 A FR 7046433A FR 7046433 A FR7046433 A FR 7046433A FR 2119182 A5 FR2119182 A5 FR 2119182A5
Authority
FR
France
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
FR7046433A
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.)
Airbus Group SAS
Original Assignee
Airbus Group SAS
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 Airbus Group SAS filed Critical Airbus Group SAS
Priority to FR7046433A priority Critical patent/FR2119182A5/fr
Priority to GB5723971A priority patent/GB1374107A/en
Priority to US00206999A priority patent/US3744300A/en
Priority to DE2162010A priority patent/DE2162010C3/de
Application granted granted Critical
Publication of FR2119182A5 publication Critical patent/FR2119182A5/fr
Expired legal-status Critical Current

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
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02—Details
    • G01N3/06—Special adaptations of indicating or recording means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
FR7046433A 1970-12-23 1970-12-23 Expired FR2119182A5 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7046433A FR2119182A5 (fr) 1970-12-23 1970-12-23
GB5723971A GB1374107A (en) 1970-12-23 1971-12-09 System for determining the fatigue of a structure experiencing varying stresses
US00206999A US3744300A (en) 1970-12-23 1971-12-13 System for determining the fatigue of a structure experiencing varying stresses
DE2162010A DE2162010C3 (de) 1970-12-23 1971-12-14 Meßeinrichtung zur Feststellung von Ermüdungsschäden an verschiedenen Beanspruchungen ausgesetzten Strukturen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7046433A FR2119182A5 (fr) 1970-12-23 1970-12-23

Publications (1)

Publication Number Publication Date
FR2119182A5 true FR2119182A5 (fr) 1972-08-04

Family

ID=9066258

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7046433A Expired FR2119182A5 (fr) 1970-12-23 1970-12-23

Country Status (4)

Country Link
US (1) US3744300A (fr)
DE (1) DE2162010C3 (fr)
FR (1) FR2119182A5 (fr)
GB (1) GB1374107A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7473077B2 (en) 2004-11-23 2009-01-06 Eurocopter System for monitoring damage to a rotor blade of a rotary-wing aircraft

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908447A (en) * 1973-01-15 1975-09-30 Gen Electric Method of measuring article fatigue life
US3957450A (en) * 1973-01-15 1976-05-18 General Electric Company Article of manufacture with pre-determined fatigue life
US3887987A (en) * 1973-01-15 1975-06-10 Gen Electric Method of making, and of measuring article fatigue life
US3902359A (en) * 1973-12-14 1975-09-02 Rucker Co Ton cycle indicator
JPS519492A (ja) * 1974-07-12 1976-01-26 Mitsubishi Heavy Ind Ltd Jikuhirokenshutsusochi
US4031366A (en) * 1975-10-30 1977-06-21 Howell Instruments, Inc. Low cycle fatigue damage counter
US4145933A (en) * 1978-03-24 1979-03-27 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Fatigue failure load indicator
DE2936761C2 (de) * 1979-09-12 1984-07-12 Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn Kontrollsystem zur Überwachung von unter Gasdruck stehenden Rotorblättern
US4733361A (en) * 1980-09-03 1988-03-22 Krieser Uri R Life usage indicator
DE3177044D1 (en) * 1980-09-03 1989-06-01 Commw Of Australia Life usage indicator
US4316365A (en) * 1980-10-20 1982-02-23 Honeywell Inc. Defrost control system for refrigeration system
US4524620A (en) * 1983-02-07 1985-06-25 Hughes Helicopters, Inc. In-flight monitoring of composite structural components such as helicopter rotor blades
US4580127A (en) * 1983-03-28 1986-04-01 Jet Electronics & Technology Inc. Circuit for converting analog bipolar signals to digital signals
GB8625686D0 (en) * 1986-10-27 1986-11-26 Ministry Of Agriculture Fisher Assessing processing strains
US4838077A (en) * 1987-12-17 1989-06-13 Dana Corporation Apparatus and method for monitoring the operation of a vehicle drive shaft
GB2223855B (en) * 1988-10-14 1992-04-01 Nicholas John Prescott Fatigue monitoring
US4901575A (en) * 1988-11-30 1990-02-20 Gp Taurio, Inc. Methods and apparatus for monitoring structural members subject to transient loads
US4956999A (en) * 1988-11-30 1990-09-18 Gp Taurio, Inc. Methods and apparatus for monitoring structural members subject to transient loads
US5255565A (en) * 1991-11-12 1993-10-26 Vibra-Metrics, Inc. Method and apparatus for monitoring multiple points on a vibrating structure
US5881971A (en) * 1995-05-15 1999-03-16 The Boeing Company Monitoring systems for detecting failures in fly-by-wire aircraft flight control systems
DE10215865A1 (de) * 2002-04-11 2003-11-06 Bosch Gmbh Robert Verfahren und Steuergerät zur Ermittlung der Ausfallwahrscheinlichkeit einer Kraftfahrzeugkomponente
ATE312567T1 (de) * 2002-09-17 2005-12-15 Verfahren und vorrichtung zur messung der ermüdung von zahnärztlichen instrumenten
US7448853B2 (en) 2005-04-12 2008-11-11 Sundyne Corporation System and method of determining centrifugal turbomachinery remaining life
GB2460044A (en) * 2008-05-13 2009-11-18 Insensys Ltd Monitoring mechanical characteristics of helicopter rotor blades
EP3871982A1 (fr) * 2020-02-28 2021-09-01 Ratier-Figeac SAS Surveillance de la durée de vie d'une hélice basée sur l'utilisation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2774535A (en) * 1952-04-21 1956-12-18 Lloyd D Anderson Variable amplitude signal analyzer
US3354703A (en) * 1963-06-27 1967-11-28 Jr Roger B Russell Ships strain measuring system
US3387120A (en) * 1963-08-07 1968-06-04 Boeing Co Damage intelligence system
US3628377A (en) * 1969-07-24 1971-12-21 David E Weiss Strain level counter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7473077B2 (en) 2004-11-23 2009-01-06 Eurocopter System for monitoring damage to a rotor blade of a rotary-wing aircraft

Also Published As

Publication number Publication date
DE2162010B2 (de) 1974-03-07
GB1374107A (en) 1974-11-13
DE2162010C3 (de) 1974-10-10
US3744300A (en) 1973-07-10
DE2162010A1 (de) 1972-07-13

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Legal Events

Date Code Title Description
ST Notification of lapse