US 11,746,778 B2
Fluid end with integrated valve seat
Jacob A. Bayyouk, Richardson, TX (US); and Bryan Wagner, Fort Worth, TX (US)
Assigned to SPM Oil & Gas Inc., Fort Worth, TX (US)
Appl. No. 17/40,005
Filed by SPM Oil & Gas Inc., Fort Worth, TX (US)
PCT Filed Mar. 27, 2019, PCT No. PCT/US2019/024350
§ 371(c)(1), (2) Date Sep. 21, 2020,
PCT Pub. No. WO2019/191276, PCT Pub. Date Oct. 3, 2019.
Claims priority of provisional application 62/649,436, filed on Mar. 28, 2018.
Prior Publication US 2021/0017982 A1, Jan. 21, 2021
Int. Cl. F04B 53/10 (2006.01); F16K 1/42 (2006.01); F16K 25/04 (2006.01); F04B 53/02 (2006.01)
CPC F04B 53/1087 (2013.01) [F04B 53/02 (2013.01); F16K 1/42 (2013.01); F16K 25/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fluid end for discharging fluids from a first side to a second side, the fluid end comprising:
a monolithic pump body including:
an inlet channel on the first side,
an outlet channel on the second side,
a chamber connecting the inlet channel to the outlet channel, and
a pressure variation channel in fluid connection with the chamber;
a valve member; and
an engagement surface formed in an interior surface of the monolithic pump body in the inlet channel or the outlet channel,
the engagement surface being sealable with the valve member, and
the valve member being reciprocatably movable into and out of engagement with the engagement surface.