US 12,359,660 B2
Linear FRAC pump drive system safety deflector
Chandu Kumar, Fort Worth, TX (US); John McCrady, Burleson, TX (US); and Joe Allen Sutton, Weatherford, TX (US)
Assigned to SPM Oil & Gas Inc., Fort Worth, TX (US)
Appl. No. 17/905,462
Filed by SPM Oil & Gas Inc., Fort Worth, TX (US)
PCT Filed Mar. 2, 2021, PCT No. PCT/US2021/020548
§ 371(c)(1), (2) Date Sep. 1, 2022,
PCT Pub. No. WO2021/178455, PCT Pub. Date Sep. 10, 2021.
Claims priority of provisional application 62/984,145, filed on Mar. 2, 2020.
Prior Publication US 2023/0142942 A1, May 11, 2023
Int. Cl. F04B 47/00 (2006.01); F04B 53/00 (2006.01)
CPC F04B 47/00 (2013.01) [F04B 53/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A reciprocating pump comprising:
a drive system having a first adapter coupled to a first end of the drive system and a second adapter coupled to a second end of the drive system;
a plunger having a center portion coupled to the drive system, and the plunger further having first and second end portions;
a first fluid end receiving the first end portion of the plunger, the first fluid end coupled to the first adapter;
a second fluid end receiving the second end portion of the plunger, the second fluid end coupled to the second adapter; and
first and second packing seals each being disposed about the plunger to isolate fluids within the respective first and second fluid ends;
wherein the first adapter houses comprises an angled deflector formed from a portion of the first adapter, the angled deflector positioned within a void of the first adapter, the angled deflector positioned within the void nearer to the drive system than to the first fluid end, the angled deflector configured to sealingly engage a portion of the plunger and to deflect and redirect high-pressure fluids escaping past the first packing seal away from the drive system.