Pump Plungers and Methods
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United States of America Patent
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app pub date -
Aug 13, 2008
filing date -
Apr 22, 2003
priority date (Note) -
Abandoned
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Abstract
Various embodiments of the invention provide pumps, plungers and plunger assemblies, as well as methods of using them. In accordance with some embodiments, a plunger may comprise a ceramic material and/or may have a facial profile that may allow for more efficient pumping operations. In particular embodiments, for example, a plunger may have a facial profile that allows for deformation of at least a portion of the plunger when the face of the plunger is in contact with a pressurized fluid. Other embodiments provide plunger assemblies, which may comprise a flexible coupling attachment. Yet other embodiments provide pumps comprising such plungers and/or plunger assemblies.
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