PISTON LIMIT SENSING FOR FLUID APPLICATION
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United States of America Patent
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Issued Date -
Aug 4, 2016
app pub date -
Jan 25, 2016
filing date -
Jan 30, 2015
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Abstract
Embodiments of the present disclosure describe a liquid delivery system that includes a cylinder, a piston within the cylinder, a rod connected to the piston, and a limit sensor system having a magnet connected to the rod, outside the cylinder. The magnet can have a first position corresponding to the piston located at a first stroke limit position and a second position corresponding to the piston located at a second stroke limit position. Furthermore, the limit sensor system can have reed switches located outside the cylinder and configured to actuate when the magnet is at the first position and the second position.
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