US 12,485,304 B2
Fire suppression sprinkler device
Samuli Järvinen, Vantaa (FI)
Assigned to MARIOFF CORPORATION OY, Vantaa (FI)
Filed by Marioff Corporation Oy, Vantaa (FI)
Filed on Aug. 29, 2022, as Appl. No. 17/897,945.
Claims priority of application No. 21194130 (EP), filed on Aug. 31, 2021.
Prior Publication US 2023/0061990 A1, Mar. 2, 2023
Int. Cl. A62C 31/05 (2006.01); A62C 99/00 (2010.01)
CPC A62C 31/05 (2013.01) [A62C 99/0018 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A fire suppression sprinkler device comprising:
a sprinkler bulb;
a nozzle manifold; and
a conduit for supplying fluid to the nozzle manifold;
wherein the sprinkler device is arranged so that fluid may flow through the sprinkler device while the sprinkler bulb is intact and so that breakage of the sprinkler bulb permits fluid communication from the interior of the conduit to the nozzle manifold;
wherein the sprinkler device is arranged so that the conduit is connectable to supply pipes at opposite ends thereof;
wherein the nozzle manifold is disposed about the conduit;
wherein the sprinkler bulb is positioned vertically upwards above the conduit; and
wherein the nozzle manifold comprises a plurality of nozzles, at least one nozzle being configured to eject fluid downwards and allow fluid in the nozzle manifold to drain under gravity.