FR2399067A1 - Appareil de calcul de la duree de fatigue passee - Google Patents

Appareil de calcul de la duree de fatigue passee

Info

Publication number
FR2399067A1
FR2399067A1 FR7720322A FR7720322A FR2399067A1 FR 2399067 A1 FR2399067 A1 FR 2399067A1 FR 7720322 A FR7720322 A FR 7720322A FR 7720322 A FR7720322 A FR 7720322A FR 2399067 A1 FR2399067 A1 FR 2399067A1
Authority
FR
France
Prior art keywords
calculating
length
past fatigue
fatigue
past
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.)
Pending
Application number
FR7720322A
Other languages
English (en)
Inventor
Alan Thomas
Ronald Alfred Heath
Robert Graham Burrage
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.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of FR2399067A1 publication Critical patent/FR2399067A1/fr
Pending 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
    • G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces

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 Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

L'invention concerne un appareil de calcul de la durée de fatigue passée. Il est caractérisé par le fait qu'il comprend des moyens de production d'un signal d'entrée dont la valeur dépend de la grandeur instantanée de l'effort variable et un calculateur répondant à ces signaux d'entrée. L'invention s'applique à l'essai des moteurs à turbine à gaz.
FR7720322A 1976-07-03 1977-07-01 Appareil de calcul de la duree de fatigue passee Pending FR2399067A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2778776A GB1579336A (en) 1976-07-03 1976-07-03 Apparatus for computing elapsed fatique life of a component which is subjected to a fluctuating stress

Publications (1)

Publication Number Publication Date
FR2399067A1 true FR2399067A1 (fr) 1979-02-23

Family

ID=10265316

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7720322A Pending FR2399067A1 (fr) 1976-07-03 1977-07-01 Appareil de calcul de la duree de fatigue passee

Country Status (5)

Country Link
JP (1) JPS536092A (fr)
DE (1) DE2729467A1 (fr)
FR (1) FR2399067A1 (fr)
GB (1) GB1579336A (fr)
IT (1) IT1075728B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3048964A1 (de) * 1980-12-24 1982-07-08 Mannesmann AG, 4000 Düsseldorf Verfahren und vorrichtung zum ermitteln der belastung von hebezeugen
US4787053A (en) * 1981-12-30 1988-11-22 Semco Instruments, Inc. Comprehensive engine monitor and recorder
DE102007009085A1 (de) * 2007-02-24 2008-08-28 Oerlikon Leybold Vacuum Gmbh Verfahren zur Bestimmung der Ermüdung eines Pumpenrotors einer Turbo-Gaspumpe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1958257A1 (de) * 1969-11-20 1971-05-27 Pietzsch Ludwig Verfahren und Vorrichtung zur Lebensdauerueberwachung von dauerwechselbeanspruchten Maschinen- oder Bauteilen
FR2079502A5 (fr) * 1970-02-03 1971-11-12 Kollsman Instr Corp
US3777555A (en) * 1972-05-03 1973-12-11 Us Navy Cumulative fatigue life indicator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1958257A1 (de) * 1969-11-20 1971-05-27 Pietzsch Ludwig Verfahren und Vorrichtung zur Lebensdauerueberwachung von dauerwechselbeanspruchten Maschinen- oder Bauteilen
FR2079502A5 (fr) * 1970-02-03 1971-11-12 Kollsman Instr Corp
US3777555A (en) * 1972-05-03 1973-12-11 Us Navy Cumulative fatigue life indicator

Also Published As

Publication number Publication date
DE2729467A1 (de) 1978-01-05
JPS536092A (en) 1978-01-20
IT1075728B (it) 1985-04-22
GB1579336A (en) 1980-11-19

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