Pumping system with plunger having a shaped edge and coating
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Mar 25, 2014
filing date -
Mar 25, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
In one aspect, the present invention provides a plunger for use in a pumping system. The plunger can include a cylindrical plunger body that is adapted to be coupled to a drive rod. The plunger body can define an aperture configured to receive pumped fluids. The aperture can define an inner diameter of the plunger body. The plunger body can include a leading end having a tapered portion configured to direct solids into the aperture. The tapered portion can be tapered from the inner diameter toward an outer diameter of the plunger body to form a tip aligned with the outer diameter. The tapered portion can include two or more different degrees of taper along a length of the tapered portion. The plunger body can further include a rear end coupleable to a traveling valve.
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