IT8320151A0 - Sistema acustico per rivelazione di difetti. - Google Patents

Sistema acustico per rivelazione di difetti.

Info

Publication number
IT8320151A0
IT8320151A0 IT8320151A IT2015183A IT8320151A0 IT 8320151 A0 IT8320151 A0 IT 8320151A0 IT 8320151 A IT8320151 A IT 8320151A IT 2015183 A IT2015183 A IT 2015183A IT 8320151 A0 IT8320151 A0 IT 8320151A0
Authority
IT
Italy
Prior art keywords
defect detection
acoustic system
acoustic
defect
detection
Prior art date
Application number
IT8320151A
Other languages
English (en)
Other versions
IT1160808B (it
Inventor
Bernard Darrel
Joseph Czechowski Iii
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of IT8320151A0 publication Critical patent/IT8320151A0/it
Application granted granted Critical
Publication of IT1160808B publication Critical patent/IT1160808B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22—Details, e.g. general constructional or apparatus details
    • G01N29/30—Arrangements for calibrating or comparing, e.g. with standard objects
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/44—Processing the detected response signal, e.g. electronic circuits specially adapted therefor
    • G01N29/4454—Signal recognition, e.g. specific values or portions, signal events, signatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/12—Vibration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/26—Scanned objects
    • G01N2291/269—Various geometry objects
    • G01N2291/2696—Wheels, Gears, Bearings

Landscapes

  • Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
IT20151/83A 1982-03-22 1983-03-18 Sistema acustico per rivelazione di difetti IT1160808B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/360,293 US4429578A (en) 1982-03-22 1982-03-22 Acoustical defect detection system

Publications (2)

Publication Number Publication Date
IT8320151A0 true IT8320151A0 (it) 1983-03-18
IT1160808B IT1160808B (it) 1987-03-11

Family

ID=23417387

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20151/83A IT1160808B (it) 1982-03-22 1983-03-18 Sistema acustico per rivelazione di difetti

Country Status (5)

Country Link
US (1) US4429578A (it)
JP (1) JPS58176545A (it)
DK (1) DK99783A (it)
FR (1) FR2523726A1 (it)
IT (1) IT1160808B (it)

Families Citing this family (138)

* Cited by examiner, † Cited by third party
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Also Published As

Publication number Publication date
IT1160808B (it) 1987-03-11
JPS58176545A (ja) 1983-10-17
US4429578A (en) 1984-02-07
DK99783A (da) 1983-09-23
FR2523726A1 (fr) 1983-09-23
DK99783D0 (da) 1983-02-28

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