US 12,338,813 B2
Liquid cooled plunger system
Micheal Cole Thomas, Azle, TX (US); Christopher Todd Barnett, Stratford, OK (US); Kelcy Jake Foster, Sulphur, OK (US); Nicholas Son, Davis, OK (US); John Keith, Ardmore, OK (US); Guy J. Lapointe, Sulphur, OK (US); and Brandon Scott Ayres, Ardmore, OK (US)
Assigned to Kerr Machine Co., Sulphur, OK (US)
Filed by Kerr Machine Co., Sulphur, OK (US)
Filed on Oct. 3, 2024, as Appl. No. 18/905,240.
Claims priority of provisional application 63/695,399, filed on Sep. 17, 2024.
Claims priority of provisional application 63/553,805, filed on Feb. 15, 2024.
Claims priority of provisional application 63/587,596, filed on Oct. 3, 2023.
Prior Publication US 2025/0109745 A1, Apr. 3, 2025
Int. Cl. F04B 53/08 (2006.01); E21B 43/26 (2006.01); F04B 19/22 (2006.01); F04B 39/00 (2006.01); F04B 53/14 (2006.01); F15B 15/14 (2006.01)
CPC F04B 53/08 (2013.01) [F04B 53/14 (2013.01); E21B 43/2607 (2020.05); F04B 19/22 (2013.01); F04B 39/0005 (2013.01); F15B 15/1466 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A system, comprising:
a fluid end having an internal chamber formed therein;
a plunger configured to reciprocate within the fluid end, the plunger comprising:
a first surface exposed to the chamber;
in which a blind heat exchanger bore is formed in the first surface, the heat exchanger bore extending at least one-half length of the plunger;
a heat exchanger situated within the heat exchanger bore, the heat exchanger comprising a plug bore extending through an entire length of the heat exchanger;
a plug situated at least partially within the plug bore and abutting the heat exchanger, the plug comprising:
a blind cooling bore formed in a first end of the plug, the cooling bore in fluid communication with the cavity;
a first section configured to engage an inner wall of the plug bore; and
a second section configured to engage an inner wall of the heat exchanger bore.