Packing seal assembly
AssigneeKerr Machine Co.
InventorsChristopher Todd Barnett, Micheal Cole Thomas, Kelcy Jake Foster, Nicholas Son, John Keith
Life of this patent
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Abstract
A fluid end assembly comprising a plurality of fluid end sections positioned in a side-by-side relationship. Each fluid end section comprises a housing having a bore formed therein for housing a reciprocating plunger. Fluid is prevented from leaking around the plunger by a packing seal assembly. The packing seal assembly comprises one and only one packing seal.
Claims20
A packing seal assembly configured to surround at least a portion of a reciprocating plunger, the packing seal assembly comprising:
- a packing seal, comprising:
- a body, comprising:
- a front surface;
- an opposed rear surface;
- and
- an inner intermediate surface joining the front and rear surfaces, the inner intermediate surface configured to engage the portion of the reciprocating plunger;
- in which the rear surface of the body is configured to engage an annular ring, the annular ring comprising a plurality of passages that are configured to receive a lubricant;
- and
- an energizing component situated within a void formed in the front surface of the body;
- and
- a support element, comprising:
- a protrusion situated at least partially within the void;
- and
- an annular base situated outside of the void;
- in which the support element is configured to retain the energizing component within the void.
A packing seal assembly for use within a fluid end, the packing seal assembly comprising:
- one and only one packing seal, comprising:
- a front surface defining an opening;
- a rear surface opposed to the front surface;
- an inner intermediate surface interconnecting the front and rear surfaces, the inner intermediate surface comprising a plurality of inner lips;
- and
- an outer intermediate surface interconnecting the front and rear surfaces, the outer intermediate surface comprising a plurality of outer lips;
- in which the rear surface is configured to engage an annular ring, the annular ring having a plurality of passages formed therein, each of the plurality of passages configured to receive a lubricant.
Dependencies are inferred from the claim text.