PUMP ASSEMBLY AND METHOD FOR ASSESSING VALVE CONDITIONS IN PUMP
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United States of America Patent
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Jul 21, 2016
app pub date -
Jan 19, 2015
filing date -
Jan 19, 2015
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Abstract
A method of monitoring and assessing valve conditions in a pump includes collecting data regarding timing of a pump piston and vibration of a pump fluid end, processing the data to form a filtered and transformed vibration signal, banding the vibration signal into high energy bands and low energy bands, and comparing a ratio of at least one high energy band to at least one low energy band of the vibration signal with at least one constant to determine valve condition.
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