US 11,905,947 B2
Fluid end of a hydraulic fluid pump and method of assembling the same
Ryan Huseman, Quincy, IL (US); Chris Degginger, Tulsa, OK (US); Paul Douglas Cary, Broken Arrow, OK (US); and Kyle Christopher Chady, Broken Arrow, OK (US)
Assigned to GD ENERGY PRODUCTS, LLC, Tulsa, OK (US)
Filed by GD ENERGY PRODUCTS, LLC, Tulsa, OK (US)
Filed on Oct. 29, 2021, as Appl. No. 17/513,961.
Prior Publication US 2023/0135605 A1, May 4, 2023
Int. Cl. F04B 53/16 (2006.01); F04B 53/22 (2006.01)
CPC F04B 53/16 (2013.01) [F04B 53/22 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A fluid end assembly of a hydraulic fluid pump comprising:
a housing having a bore;
a plug member positioned at least partially within the bore;
a lock cover coupled to the housing via threads and configured to retain the plug member within the bore during operation of the fluid end assembly, wherein the lock cover comprises a flange that extends radially beyond the threads;
a handle comprising a ring portion configured to couple to the flange of the lock cover, a pair of elongated portions extending from the ring portion radially beyond the ring portion, and an engagement portion extending between and connected to the pair of elongated portions at a distal end of the pair of elongated portions, wherein the distal end is positioned outward of the ring portion; and
a magnetic retention pin extending through the flange of the lock cover and the ring portion of the handle to retain the lock cover in a position that retains the plug member at least partially within the bore.