Fluid end assembly

Abstract

The present disclosure relates to fluid end assemblies having discharge ports and/or valves aligned with plunger chambers. The fluid end assemblies can include inlet ports and/or valves aligned with access ports. Some configurations have a plunger chamber longitudinal axis aligned with a discharge port longitudinal axis. Some configurations have an inlet port longitudinal axis aligned with an access port longitudinal axis.

What is claimed is: 
     
         1 . A fluid end assembly comprising:
 one or more bodies in a crossbore configuration, each body comprising:
 a plunger chamber having a first plunger chamber end, a second plunger chamber end opposite the first plunger chamber end, and a plunger chamber longitudinal axis extending between the first and second plunger chamber ends; 
 an inlet port comprising an inlet valve; and 
 a discharge port having a first discharge port end, a second discharge port end opposite the first discharge port end, and a discharge port longitudinal axis extending between the first and second discharge port ends, the discharge port comprising a discharge valve, 
 wherein the plunger chamber longitudinal axis and the discharge port longitudinal axis are aligned with each other. 
   
     
     
         2 . The assembly of  claim 1 , wherein the plunger chamber longitudinal axis and the discharge port longitudinal axis are in line with each other. 
     
     
         3 . The assembly of  claim 2 , wherein the inlet port has a first inlet port end, a second inlet port end opposite the first inlet port end, and an inlet port longitudinal axis extending between the first and second inlet port ends, and the inlet port longitudinal axis is perpendicular to both the plunger chamber longitudinal axis and the discharge port longitudinal axis. 
     
     
         4 . The assembly of  claim 3 , wherein the body further comprises an access port, the access port having a first access port end, a second access port end opposite the first access port end, and an access port longitudinal axis extending between the first and second access port ends, and wherein the inlet port longitudinal axis and the access port longitudinal axis are aligned with each other. 
     
     
         5 . The assembly of  claim 4 , wherein the inlet port longitudinal axis and the access port longitudinal axis are in line with each other. 
     
     
         6 . The assembly of  claim 5 , wherein a first length from the first inlet port end to the second inlet port end is longer than a second length from the first access port end to the second access port end. 
     
     
         7 . The assembly of  claim 5 , wherein the one or more bodies comprise a first body, a second body, a third body, and a fourth body, and wherein the first, second, third, and fourth bodies form a unitary structure. 
     
     
         8 . The assembly of  claim 7 , wherein the plunger chamber axes of the first, second, third, and fourth bodies are parallel to each other, wherein the access ports of the first, second, third, and fourth bodies are aligned with each other, wherein the inlet ports of the first, second, third, and fourth bodies are aligned with each other, wherein the assembly has a first assembly end near the access ports of the first, second, third, and fourth bodies, wherein the assembly has a second assembly end near the inlet ports of the first, second, third, and fourth bodies, and wherein a length from the first assembly end to a plane crossing the plunger chamber longitudinal axes is shorter than a length from the second assembly end to the plane. 
     
     
         9 . The frame assembly of  claim 1 , wherein the discharge port further comprises a valve cover and the discharge valve comprises a stem coupled to the valve cover. 
     
     
         10 . The frame assembly of  claim 9 , wherein the valve cover comprises an extension coupled to the stem and having one or more drain holes. 
     
     
         11 . A reciprocating pump comprising:
 a power end frame having a crankshaft aperture;   a crankshaft extending through the crankshaft aperture;   a plurality of plungers connected to the crankshaft; and   a fluid end assembly comprising a plurality of bodies in a crossbore configuration, each body corresponding to a respective plunger of the plurality of plungers, each body comprising:
 a chamber having a first chamber end, a second chamber end opposite the first chamber end, and a chamber longitudinal axis extending between the first and second chamber ends, the chamber configured to receive a plunger portion of the respective plunger and allow the plunger portion to reciprocate between the first and second chamber ends; 
 an inlet port comprising an inlet valve and configured to receive a fluid and direct the fluid to enter the chamber; and 
 a discharge port having a first discharge port end, a second discharge port end opposite the first discharge port end, and a discharge port longitudinal axis extending between the first and second discharge port ends, the discharge port comprising a discharge valve and configured to receive the fluid from the chamber and direct the fluid to exit the body; 
 wherein the chamber longitudinal axis and the discharge port longitudinal axis are aligned with each other. 
   
     
     
         12 . The pump of  claim 11 , wherein the chamber longitudinal axis and the discharge port longitudinal axis are in line with each other. 
     
     
         13 . The pump of  claim 12 , wherein the inlet port has a first inlet port end, a second inlet port end opposite the first inlet port end, and an inlet port longitudinal axis extending between the first and second inlet port ends, and the inlet port longitudinal axis is perpendicular to both the chamber longitudinal axis and the discharge port longitudinal axis. 
     
     
         14 . The pump of  claim 13 , wherein each body further comprises an access port, the access port having a first access port end, a second access port end opposite the first access port end, and an access port longitudinal axis extending between the first and second access port ends, and wherein the inlet port longitudinal axis and the access port longitudinal axis are aligned with each other. 
     
     
         15 . The pump of  claim 14 , wherein the inlet port longitudinal axis and the access port longitudinal axis are in line with each other. 
     
     
         16 . The pump of  claim 15 , wherein a first length from the first inlet port end to the second inlet port end is longer than a second length from the first access port end to the second access port end. 
     
     
         17 . The pump of  claim 15 , wherein the plurality of bodies form a unitary structure, the chambers of the plurality of bodies are aligned with each other, the access ports of the plurality of bodies are aligned with each other, and the inlet ports of the plurality of bodies are aligned with each other. 
     
     
         18 . The pump of  claim 17 , wherein the fluid end assembly has a first assembly end near the access ports of the plurality of bodies, wherein the fluid end assembly has a second assembly end near the inlet ports of the plurality of bodies, and wherein a first length from the first assembly end to a plane crossing the chamber longitudinal axes of the plurality of bodies is shorter than a second length from the second assembly end to the plane. 
     
     
         19 . The pump of  claim 11 , wherein the plurality of plungers is a first plurality of plungers and the fluid end assembly is a first fluid end assembly, and wherein the pump further comprises:
 a second plurality of plungers connected to the crankshaft; and   a second fluid end assembly comprising a plurality of bodies, each body corresponding to a respective plunger of the second plurality of plungers, each body comprising:
 a chamber having a first chamber end, a second chamber end opposite the first chamber end, and a chamber longitudinal axis extending between the first and second chamber ends, the chamber configured to receive a plunger portion of the respective plunger and allow the plunger portion to reciprocate between the first and second chamber ends; 
 an inlet port comprising an inlet valve and configured to receive a fluid and direct the fluid to enter the chamber; and 
 a discharge port having a first discharge port end, a second discharge port end opposite the first discharge port end, and a discharge port longitudinal axis extending between the first and second discharge port ends, the discharge port comprising a discharge valve and configured to receive the fluid from the chamber and direct the fluid to exit the body; 
 wherein the chamber longitudinal axis and the discharge port longitudinal axis are aligned with each other; 
   wherein each plunger of the first plurality of plungers is configured to reciprocate in a first plane, each plunger of the second plurality of plungers is configured to reciprocate in a second plane, the discharge port longitudinal axes of the first fluid end are aligned with the first plane, and the discharge port longitudinal axes of the second fluid end are aligned with the second plane.   
     
     
         20 . The frame assembly of  claim 19 , wherein the discharge port longitudinal axes of the first fluid end and the discharge port longitudinal axes of the second fluid end define a non-zero offset angle.