US 12,416,362 B2
Valve seat with circumferential rib
Xianhua Feng, Jingmen (CN)
Assigned to Mueller International, LLC, Atlanta, GA (US)
Appl. No. 17/780,164
Filed by Mueller International, LLC, Atlanta, GA (US)
PCT Filed May 6, 2022, PCT No. PCT/CN2022/091171
§ 371(c)(1), (2) Date May 26, 2022,
PCT Pub. No. WO2023/212918, PCT Pub. Date Nov. 9, 2023.
Prior Publication US 2023/0358316 A1, Nov. 9, 2023
Int. Cl. F16K 1/226 (2006.01)
CPC F16K 1/2265 (2013.01) [F16K 1/2266 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A valve seat comprising:
an annular sealing body defining an inner sealing flange defining an inner seat surface, an outer sealing flange defining an outer seat surface, and an annular spring groove defined between the inner sealing flange and the outer sealing flange, the inner seat surface defining an annular seating portion configured to seat with a valve member; and
a circumferential sealing rib extending circumferentially about the annular sealing body, the circumferential sealing rib defining a gooseneck portion coupled to the annular sealing body and a bulbous portion coupled to the gooseneck portion opposite the annular sealing body,
wherein the outer seat surface of the annular sealing body defines a spherical zone.