Method for determining faults during the operation of a pump unit
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United States of America Patent
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Jan 15, 2013
Grant Date -
Apr 26, 2012
app pub date -
Oct 28, 2011
filing date -
Feb 11, 2004
priority date (Note) -
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Abstract
A method for determining faults during the operation of a pump unit. At least two electric variables that determine the electric output of the motor and at least one fluctuating hydraulic variable of the pump are detected. The detected values or values formed from the variables by use of algorithms are automatically compared to predefined stored values using electronic data processing and the results of the comparison are used to determine whether or not faults have occurred.
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