US 12,449,042 B2
Valve seat retention
Mitchell Anderson, Katy, TX (US); Ananda Prasath, Chennai (IN); Jaisuman Velayutham, Ponneri (IN); Prakash Karthikeyan, Chennai (IN); and Prabhakaran Adikesavan, Kanchipuram (IN)
Assigned to Bray International, Inc., Houston, TX (US)
Filed by Bray International, Inc., Houston, TX (US)
Filed on Mar. 18, 2024, as Appl. No. 18/607,895.
Claims priority of provisional application 63/491,131, filed on Mar. 20, 2023.
Prior Publication US 2024/0318729 A1, Sep. 26, 2024
Int. Cl. F16K 1/42 (2006.01); F16K 1/22 (2006.01)
CPC F16K 1/427 (2013.01) [F16K 1/22 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A retention arrangement for a seat in a valve body, wherein the seat has a first seat side and a second seat side, comprising:
a seat spacer wherein the seat spacer has a first seat spacer side and a second seat spacer side, wherein the seat spacer is adjacent to the seat;
a fastener inserted into the second seat spacer side, wherein the fastener includes a head above the second seat spacer side, and further wherein the head is movable towards and away from the second seat spacer side; and
a seat retainer adjacent to the head of the fastener, wherein the seat retainer has a first seat retainer side and a second seat retainer side;
wherein the seat retainer defines a counter bore through first seat retainer side and the second seat retainer side, and further wherein the counter bore is complementary to the head of the fastener;
wherein the head of the fastener is configured to extend out of the second seat spacer side when the fastener is rotated in a counterclockwise direction and the head of the fastener exerts increased force against the seat retainer when increasingly extended.