PISTON SHIFTING CONTROL SYSTEM
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United States of America Patent
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Issued Date -
Aug 25, 2016
app pub date -
Feb 15, 2016
filing date -
Feb 23, 2015
priority date (Note) -
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Abstract
A piston shifting control system is provided to control a displacement pump to maximize a stroke length of a piston and prevent damages to the entire pump system. The displacement pump may include a linear variable displacement transducer (LVDT) inserted through one end of a cylinder body and used to detect a position of the piston within the cylinder. The shifting control system is configured to monitor a position of the piston assembly in the displacement pump and adjust a shifting trigger point of the piston assembly in each stroke to maximize the stroke length.
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