US 11,933,413 B2
Support structure for a reverse buckling rupture disc
Brad Baumann, Bixby, OK (US); Chris Snell, Broken Arrow, OK (US); Hunter Franks, Jenks, OK (US); Jason Garoutte, Haskell, OK (US); and Rion Rogers, Tulsa, OK (US)
Assigned to Oseco Inc., Broken Arrow, OK (US); and Elfab Ltd., North Shields (GB)
Filed by Oseco Inc., Broken Arrow, OK (US); and Elfab Ltd., North Shields (GB)
Filed on Jul. 26, 2022, as Appl. No. 17/814,959.
Prior Publication US 2024/0035582 A1, Feb. 1, 2024
Int. Cl. F16K 17/16 (2006.01)
CPC F16K 17/1606 (2013.01) [F16K 17/16 (2013.01); F16K 17/162 (2013.01); F16K 17/1633 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A rupture disc assembly comprising:
an inlet body;
an outlet body in contact with the inlet body and forming a throughbore with an inner diameter, the outlet body comprising a first plane in contact with the inlet body and a second plane opposite the first plane;
a rupture disc residing within and sealing the throughbore; and
a knuckle on the outlet body residing within the throughbore, protruding past the first plane toward the rupture disc, and configured to catch the rupture disc upon activation, the knuckle comprising:
a crown with a crown radius facing the throughbore; and
a curved wing on each side of the crown;
wherein a backside of the knuckle reduces from the inner diameter at a draft angle.