US 12,326,199 B2
Fluid control valve system and methods
Yoram Ringer, Providence, RI (US); Roger S. Wilkins, Warwick, RI (US); and Boris Frenkel, Netanya (IL)
Assigned to Tyco Fire Products LP, Cranston, RI (US)
Filed by Tyco Fire Products LP, Lansdale, PA (US)
Filed on May 14, 2021, as Appl. No. 17/320,744.
Application 17/320,744 is a continuation of application No. 16/138,599, filed on Sep. 21, 2018, granted, now 11,009,137.
Application 16/138,599 is a continuation of application No. 15/472,035, filed on Mar. 28, 2017, granted, now 10,082,212.
Application 15/472,035 is a continuation of application No. 14/084,418, filed on Nov. 19, 2013, granted, now 9,657,849.
Application 14/084,418 is a continuation of application No. 12/444,370, granted, now 8,616,234, previously published as PCT/US2007/082006, filed on Oct. 19, 2007.
Claims priority of provisional application 60/887,040, filed on Jan. 29, 2007.
Claims priority of provisional application 60/862,305, filed on Oct. 20, 2006.
Prior Publication US 2021/0341066 A1, Nov. 4, 2021
Int. Cl. F16K 7/12 (2006.01); A62C 35/68 (2006.01); F16K 31/126 (2006.01)
CPC F16K 7/126 (2013.01) [A62C 35/68 (2013.01); F16K 7/12 (2013.01); F16K 31/1266 (2013.01); Y10T 137/0379 (2015.04); Y10T 137/7768 (2015.04)] 16 Claims
OG exemplary drawing
 
1. A fluid control valve, comprising:
a valve body defining a chamber, the chamber comprising an inlet chamber, an outlet chamber, a diaphragm chamber, and an intermediate chamber spacing the inlet chamber and the outlet chamber;
an inlet in fluid communication with the inlet chamber;
an outlet in fluid communication with the outlet chamber, a first axis extending between the inlet and the outlet, the diaphragm chamber on a first side of the first axis;
a valve seat between the inlet chamber and the outlet chamber, the valve seat having a curved surface and a groove formed in the curved surface;
a diaphragm disposed within the chamber, the diaphragm having a first layer forming a first diaphragm surface facing the diaphragm chamber, a second layer forming a second diaphragm surface facing the inlet chamber and the outlet chamber, and a middle layer between the first layer and the second layer, the diaphragm has a first position corresponding to the inlet chamber being in fluid communication with the outlet chamber and a second position in which the diaphragm contacts the curved surface of the valve seat to seal the inlet chamber from the outlet chamber; and
a plurality of ports extending parallel with one another and in a same plane through the valve body from an outer surface of the valve body to the chamber, the plurality of ports on a second side of the first axis opposite the first side, a first port of the plurality of ports coupled with the intermediate chamber, the first port extending along a second axis, the second axis is perpendicular to the first axis, the second axis passes through the diaphragm chamber along a direction of movement of the diaphragm between the first position and the second position, the first port having a diameter corresponding to a width of the groove.