US 11,808,363 B1
Resilient metal seal for check valve
Mark Whitlow, Columbia, SC (US); Tony Smith, Lexington, SC (US); Charles Smith, Cassatt, SC (US); and Jason Adams, Lexington, SC (US)
Assigned to Technetics Group LLC, Charlotte, NC (US)
Filed by Technetics Group LLC, Charlotte, NC (US)
Filed on Jan. 6, 2023, as Appl. No. 18/151,358.
Application 18/151,358 is a continuation of application No. 17/341,377, filed on Jun. 7, 2021, granted, now 11,549,591.
Claims priority of provisional application 63/047,506, filed on Jul. 2, 2020.
Int. Cl. F16K 1/38 (2006.01); F16K 15/06 (2006.01)
CPC F16K 1/38 (2013.01) [F16K 15/063 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A one way valve comprising,
a valve housing having a bore;
a valve seat contained in the valve housing wherein the bore extends through the valve seat;
a valve element configured to selectively seat in the valve seat, the valve element having a high pressure facing side and a low pressure facing side;
an elastic member operatively engaged with the low pressure facing side of the valve element to bias the valve element to engage the valve seat; and
a metal seal operatively connected to the high pressure facing side of the valve element and opposite the elastic member, wherein the metal seal includes an annular seat interface that sealingly engages the valve seat.