DIRECT-CONNECTED COMBINED SPRINKLER Russian patent published in 2021 - IPC A62C35/68 A62C31/02 A62C37/12 A62C37/14 A62C37/16 

FIELD: fire sprinklers.

SUBSTANCE: invention relates to fire sprinklers and couplings for connecting sprinklers to a piping system. A sprinkler comprising: a housing defining a through hole that has an inlet and outlet opposite each other; a first bow extending from said body adjacent to said outlet, said first bow having an end spaced apart from said outlet; a closure element, hermetically blocking the specified outlet; a trigger located between said end of said first bow and said closure, said trigger allowing said closure to be opened; a groove surrounding said housing, said groove being located in said housing between said inlet and outlet.

EFFECT: fire sprinklers improvement.

6 cl, 12 dwg