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US 2019/0170137 A1Published application
Header ring
AssigneeGardner Denver Petroleum Pumps, LLC
InventorsJohn Chase, Troy E. Wiegand
Life of this patent
Estimating the term…
Abstract
A reciprocating pump includes a casing defining a pumping chamber, a plunger configured to reciprocate in an axial direction within the pumping chamber along a plunger axis, and an annular header ring positioned between the plunger and the casing. The annular header ring is formed solely of a fabric-reinforced rubber.
Claims20
A reciprocating pump, comprising:
- a casing defining a pumping chamber;
- a plunger configured to reciprocate in an axial direction within the pumping chamber along a plunger axis;
- and
- an annular header ring positioned between the plunger and the casing, the annular header ring formed solely of a fabric-reinforced rubber.
1 more element
An annular header ring defining a central axis, the annular header ring comprising:
- a first axial side;
- a second axial side opposite the first axial side;
- a first radial side extending between the first and second axial sides and defining an inside diameter of the annular header ring;
- and
- a second radial side extending between the first and second axial sides and defining an outside diameter of the annular header ring,
- wherein the annular header ring is a body uniformly constructed entirely of a fabric-reinforced rubber.
3 more elements
A method of forming an annular header ring, the method comprising:
- mixing a rubber material with a fabric material to form a fabric-reinforced rubber having fabric fibers;
- cutting the fabric-reinforced rubber into sheets on a bias, turning the fabric fibers to an offset angle;
- joining the sheets of the fabric-reinforced rubber, and cutting the rejoined sheets into ribbons;
- stacking or coiling the ribbons into a preform;
- and
- compressing the preform in a mold chamber of a compression mold.
3 more elements
Dependencies are inferred from the claim text.