Cleaning-in-place system and seal monitoring
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United States of America Patent
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Jan 23, 2018
Issued Date -
N/A
app pub date -
Aug 13, 2012
filing date -
Aug 11, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
Apparatus and method for detecting seal failure of a sealed region within a conveyor component. A fluid line extends out of the sealed region and a sensor is connected to the fluid line. A valve is connected subsequent to the sensor, and a fluid pump that is connected subsequent to the valve. A controller is connected to the sensor, the valve, and the fluid pump. The sensor is external to the sealed region and the valve is a solenoid valve. The sealed region is within an idler pulley that has a drum shell with an end lid affixed at an axial end thereof, and a shaft. The sealed region can be contained within a motorized drum or a hollow conveyor frame structure. A method detects seal failure by forming a sealed region bounded by a surface and a seal, and altering a fluid pressure, th time rate of change of which is monitored.
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