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Title: Cavitation controlled acoustic probe for fabric spot cleaning and moisture monitoring

A method and apparatus are provided for monitoring a fabric. An acoustic probe generates acoustic waves relative to the fabric. An acoustic sensor, such as an accelerometer is coupled to the acoustic probe for generating a signal representative of cavitation activity in the fabric. The generated cavitation activity representative signal is processed to indicate moisture content of the fabric. A feature of the invention is a feedback control signal is generated responsive to the generated cavitation activity representative signal. The feedback control signal can be used to control the energy level of the generated acoustic waves and to control the application of a cleaning solution to the fabric.
 [1];  [1];  [2]
  1. (Naperville, IL)
  2. (Downers Grove, IL)
Issue Date:
OSTI Identifier:
University of Chicago (Chicago, IL) ANL
Patent Number(s):
US 5676015
Contract Number:
Research Org:
Argonne National Laboratory (ANL), Argonne, IL
Country of Publication:
United States
cavitation; controlled; acoustic; probe; fabric; spot; cleaning; moisture; monitoring; method; apparatus; provided; generates; waves; relative; sensor; accelerometer; coupled; generating; signal; representative; activity; generated; processed; indicate; content; feature; feedback; control; responsive; energy; level; application; solution; moisture content; signal representative; energy level; acoustic wave; control signal; feedback control; acoustic waves; acoustic probe; cleaning solution; waves relative; generates acoustic; acoustic sensor; /73/