US 11,808,364 B2
Valve body
Micheal Cole Thomas, Ardmore, OK (US); Christopher Todd Barnett, Stratford, OK (US); Nicholas Son, Davis, OK (US); John Keith, Ardmore, OK (US); and Kelcy Jake Foster, Ardmore, OK (US)
Assigned to Kerr Machine Co., Sulphur, OK (US)
Filed by Kerr Machine Co., Sulphur, OK (US)
Filed on Nov. 10, 2022, as Appl. No. 17/984,406.
Claims priority of provisional application 63/289,727, filed on Dec. 15, 2021.
Claims priority of provisional application 63/281,774, filed on Nov. 22, 2021.
Claims priority of provisional application 63/278,479, filed on Nov. 11, 2021.
Prior Publication US 2023/0141854 A1, May 11, 2023
Int. Cl. F16K 1/46 (2006.01); F16K 25/00 (2006.01); F16K 1/38 (2006.01)
CPC F16K 1/46 (2013.01) [F16K 1/385 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a valve configured to seal against a valve seat, the valve comprising:
a tapered sealing surface joined to a side surface by a recessed surface, the recessed surface forming a recess within the valve, the recessed surface comprising:
a plurality of straight-line segments, the plurality of straight-line segments comprising: L1, L2, L3, L4, and L5; and
a plurality of radius segments, the plurality of radius segments comprising: R1, R2, R3, R4, and R5;
in which L1 is positioned intermediate the tapered sealing surface and R1;
in which L2 is positioned intermediate R1 and R2;
in which L3 is positioned intermediate R2 and R3;
in which L4 is positioned intermediate R3 and R4; and
in which L5 is positioned intermediate R4 and R5; and
in which R5 is positioned intermediate L5 and an upper surface of the valve; and
a seal installed within the recess and engaging the plurality of straight-line segments and the plurality of radius segments of the recessed surface; in which at least a portion of the tapered sealing surface and at least a portion of the seal are configured to seal against the valve seat.