US 12,186,608 B2
Thermal trigger seat for sprinkler system
Josh Keeling, Harrisville, RI (US); Lyle Miller, Milford, CT (US); Robert Hackett, Cranston, RI (US); and Barbara Churchill, Pawtucket, RI (US)
Assigned to Tyco Fire Products LP, Cranston, RI (US)
Filed by Tyco Fire Products LP, Lansdale, PA (US)
Filed on Apr. 12, 2022, as Appl. No. 17/719,034.
Claims priority of provisional application 63/174,736, filed on Apr. 14, 2021.
Prior Publication US 2022/0331635 A1, Oct. 20, 2022
Int. Cl. A62C 37/11 (2006.01); A62C 35/62 (2006.01); A62C 35/68 (2006.01)
CPC A62C 37/11 (2013.01) [A62C 35/62 (2013.01); A62C 35/68 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A sprinkler system to provide fire protection, the sprinkler system comprising:
a dry pendent sprinkler assembly, the dry pendent sprinkler assembly including a deflector portion, a head portion, a thermal trigger portion, a trigger seat, and a tubular outer structure;
the tubular outer structure defining an internal water flow channel, the internal water flow channel extending along a longitudinal axis between an inlet and an outlet;
the trigger seat including a tubular exterior coupled with the tubular outer structure, the trigger seat including a component to occlude a flow of fluid through the dry pendent sprinkler assembly and to maintain the thermal trigger portion in position; and
the tubular exterior of the trigger seat including an aperture positioned along a side of the tubular exterior and a protrusion extending from a downstream end of the aperture into the internal water flow channel at an angle towards the longitudinal axis relative to the side of the tubular exterior.