Method and apparatus for analyzing the fill characteristics of a packaging container

Rodriguez, Julio G

Title: Method and apparatus for analyzing the fill characteristics of a packaging container

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Abstract

A system for analyzing the fill characteristics of a container. A container having a filling material therein is positioned adjacent a sound generator. Sound waves from the generator are applied to the container, causing it to vibrate. A vibration detector is used to determine the amount of container vibration. A preferred vibration detector involves a laser vibrometer which applies a reference laser beam to the vibrating container. The reference beam is reflected off of the container to generate a reflected laser beam. The reflected beam experiences a Doppler frequency shift compared with the reference beam which is caused by container vibration. The Doppler shift of the reflected beam is then compared with standardized Doppler shift data from a control container. Repeated Doppler shift measurements may also be undertaken which are converted into a vibration profile that is compared with a standardized vibration profile from a control container.

Inventors:

Rodriguez, Julio G ^[1]

Idaho Falls, ID

Issue Date:: 1998-01-01

Research Org.:: Idaho National Laboratory (INL), Idaho Falls, ID (United States)

OSTI Identifier:: 871899

Patent Number(s):: 5821424

Assignee:: Lockheed Idaho Technologies Company (Idaho Falls, ID)

Patent Classifications (CPCs):: G - PHYSICS G01 - MEASURING G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL

G - PHYSICS G01 - MEASURING G01H - MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES

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G - PHYSICS G01 - MEASURING G01F - MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL
G01F23/2966 - {making use of acoustical resonance or standing waves}
G01F23/2968 - {Transducers specially adapted for acoustic level indicators}

G - PHYSICS G01 - MEASURING G01H - MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
G01H9/00 - Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means

G - PHYSICS G01 - MEASURING G01N - INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
G01N29/2418 - {using optoacoustic interaction with the material, e.g. laser radiation, photoacoustics

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DOE Contract Number:: AC07-94ID13223

Resource Type:: Patent

Country of Publication:: United States

Language:: English

Subject:: method; apparatus; analyzing; fill; characteristics; packaging; container; filling; material; therein; positioned; adjacent; sound; generator; waves; applied; causing; vibrate; vibration; detector; determine; amount; preferred; involves; laser; vibrometer; applies; reference; beam; vibrating; reflected; generate; experiences; doppler; frequency; shift; compared; caused; standardized; data; control; repeated; measurements; undertaken; converted; profile; reference laser; frequency shift; sound waves; reference beam; laser beam; positioned adjacent; reflected beam; reflected laser; doppler shift; filling material; doppler frequency; material therein; fill characteristics; shift measurement; sound wave; /73/

Citation Formats


                    Rodriguez, Julio G. Method and apparatus for analyzing the fill characteristics of a packaging container.  United States: N. p., 1998. 
        Web.

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                    Rodriguez, Julio G. Method and apparatus for analyzing the fill characteristics of a packaging container.  United States.

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                    Rodriguez, Julio G. Thu .  
        "Method and apparatus for analyzing the fill characteristics of a packaging container".  United States.  https://www.osti.gov/servlets/purl/871899.

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@article{osti_871899,

  title        = {Method and apparatus for analyzing the fill characteristics of a packaging container},

  author       = {Rodriguez, Julio G},

  abstractNote = {A system for analyzing the fill characteristics of a container. A container having a filling material therein is positioned adjacent a sound generator. Sound waves from the generator are applied to the container, causing it to vibrate. A vibration detector is used to determine the amount of container vibration. A preferred vibration detector involves a laser vibrometer which applies a reference laser beam to the vibrating container. The reference beam is reflected off of the container to generate a reflected laser beam. The reflected beam experiences a Doppler frequency shift compared with the reference beam which is caused by container vibration. The Doppler shift of the reflected beam is then compared with standardized Doppler shift data from a control container. Repeated Doppler shift measurements may also be undertaken which are converted into a vibration profile that is compared with a standardized vibration profile from a control container.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1998},

  month        = {1}

}

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