US 11,852,272 B2
Check valve assembly
Arvind Namadevan, Bengaluru (IN); Urmi Tejaswini, Bengaluru (IN); Dharmaraj Pachaiappan, Bengaluru (IN); Hiranya Nath, Bengaluru (IN); and Ravindra Shankar Ganiger, Bengaluru (IN)
Assigned to GENERAL ELECTRIC COMPANY, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Jun. 29, 2021, as Appl. No. 17/362,313.
Prior Publication US 2022/0412499 A1, Dec. 29, 2022
Int. Cl. F16K 15/03 (2006.01); F16L 55/10 (2006.01); F16L 55/027 (2006.01); F16K 47/02 (2006.01); F16K 47/08 (2006.01)
CPC F16L 55/1022 (2013.01) [F16K 47/023 (2013.01); F16K 47/08 (2013.01); F16L 55/02709 (2013.01); F16L 55/02727 (2013.01); F16K 15/038 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A check valve assembly for a supply pipe, the check valve assembly comprising:
a hinge pin;
a first flapper and a second flapper, the first flapper pivotally coupled to the second flapper with the hinge pin;
a stopper located between the first flapper and the second flapper, the stopper being configured to limit movement of the first flapper and the second flapper; and
a plate assembly located downstream of the stopper and configured to break vortices formed in a fluid flow across the first flapper and the second flapper, the plate assembly comprising a perforated plate having a longitudinal axis that is parallel to a longitudinal axis of the stopper.