Fluid end of a high pressure plunger pump
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United States of America Patent
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Aug 15, 2017
Grant Date -
Sep 8, 2016
app pub date -
May 16, 2016
filing date -
Sep 24, 2012
priority date (Note) -
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Abstract
A fluid end of a pump includes a casing defining a plurality of working spaces that each include an inlet bore, an outlet bore, a plunger bore, and a valve cover bore. The bores define a cross bore intersection space, and an inlet bore transition area at the intersection of the inlet bore and the cross bore intersection space. A first V-shaped groove and a second V-shaped groove are formed adjacent the inlet bore transition area with each extending partially around the inlet bore axis. An inlet spring retainer includes first and second engagement portions and is orientable in a first orientation in which the retainer is movable from the inlet bore to the plunger bore and a second orientation in which the retainer engages the first and second V-shaped grooves to inhibit movement of the retainer from the inlet bore to the cross bore intersection space.
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