US 12,270,491 B2
Sealing high pressure flow devices
Mark S. Nowell, Ardmore, OK (US); Kelcy Jake Foster, Ardmore, OK (US); Michael Eugene May, Ardmore, OK (US); Brandon Scott Ayres, Ardmore, OK (US); Christopher Todd Barnett, Stratford, OK (US); Micheal Cole Thomas, Ardmore, OK (US); and Guy J. Lapointe, Sulphur, OK (US)
Assigned to Kerr Machine Co., Sulphur, OK (US)
Filed by Kerr Machine Co., Sulphur, OK (US)
Filed on Sep. 14, 2021, as Appl. No. 17/474,206.
Application 17/474,206 is a continuation of application No. 17/126,417, filed on Dec. 18, 2020, granted, now 11,143,315.
Application 17/126,417 is a continuation of application No. 15/719,124, filed on Sep. 28, 2017, granted, now 10,895,325, issued on Jan. 19, 2021.
Application 15/719,124 is a continuation in part of application No. 15/280,642, filed on Sep. 29, 2016, granted, now 10,288,178, issued on May 14, 2019.
Claims priority of provisional application 62/346,915, filed on Jun. 7, 2016.
Claims priority of provisional application 62/318,542, filed on Apr. 5, 2016.
Claims priority of provisional application 62/315,343, filed on Mar. 30, 2016.
Claims priority of provisional application 62/234,483, filed on Sep. 29, 2015.
Prior Publication US 2021/0404561 A1, Dec. 30, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. F16K 5/18 (2006.01); F04B 53/16 (2006.01); F04B 53/22 (2006.01); F15B 7/06 (2006.01); F15B 21/00 (2006.01); F16J 15/06 (2006.01); F16K 5/02 (2006.01); F16K 5/04 (2006.01); F16K 5/16 (2006.01)
CPC F16K 5/184 (2013.01) [F04B 53/164 (2013.01); F04B 53/22 (2013.01); F15B 7/06 (2013.01); F15B 21/00 (2013.01); F16J 15/062 (2013.01); F16K 5/0271 (2013.01); F16K 5/0464 (2013.01); F16K 5/0471 (2013.01); F16K 5/0485 (2013.01); F16K 5/0492 (2013.01); F16K 5/161 (2013.01); F16K 5/181 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a fluid end housing in which a plurality of bores, including a plunger bore and a suction bore, are formed, wherein the plunger bore has a first segment and a second segment, wherein the first segment has a groove and is located closer to the suction bore than the second segment, and wherein the second segment has a greater diameter than the first segment;
a sleeve installed within the plunger bore, wherein the sleeve includes:
a first sleeve portion installed within the first segment of the plunger bore; and
a second sleeve portion installed within the second segment of the plunger bore, wherein the second sleeve portion has greater inner and outer diameters than the first sleeve portion;
a retainer attached to the fluid end housing and engaged with the sleeve to secure the sleeve within the plunger bore;
stuffing box packing located within the second sleeve portion; and
a seal positioned in the groove and engaging the first sleeve portion.