System and Method for Monitoring Performance of a Spraying Device
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United States of America Patent
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app pub date -
May 16, 2007
filing date -
Apr 26, 2005
priority date (Note) -
Abandoned
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Abstract
A spraying device that sprays of a mixture of fluids is monitored to determine whether it is functioning properly. The spraying device has inlets for at least two fluids, such as water and air, and a mixing chamber in which the fluids are mixed. A mixture pressure sensor is mounted on the spraying device to detect the pressure of the mixture. The input pressures of the fluids entering the spraying device are also measured. A formula having left- and right-hand sides is provided for describing a relationship between the actual mixture pressure and the actual pressures of the first and second fluids. Based on the relationship provided by the formula, a comparison process is used to determine whether the spraying device is functioning properly.
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