Patent ID: 7832659

Claim:
A riser assembly for use with a sprinkler, said assembly comprising: a) a reservoir for containing a pressurized fluid, b) a container partially circumscribing said reservoir, said container having a fluid inlet and a fluid outlet disposed therethrough; c) a secondary fluid outlet is disposed through said container, said secondary fluid outlet being operatively connected with means for selectively controlling flow of said fluid from said reservoir through said secondary fluid outlet; d) a conduit circumscribing a channel occupiable by a signal carrier, said conduit including: i) an intermediate conduit portion disposed within said reservoir, said intermediate conduit portion excluding said fluid within said reservoir from said channel; ii) a first conduit portion operatively connected to said intermediate conduit portion and disposed through said container to a signal carrier entry area outside said container; iii) a second conduit portion operatively connected to said intermediate conduit portion and disposed through said container to a signal carrier exit area outside said container; and wherein said signal carrier is disposable through said channel to carry a signal from outside said container through said channel to a signal processor situatable outside said container, said signal processor being operatively connectable to means for selectively controlling expulsion of said fluid through said sprinkler in response to said signal received by said signal processor through said signal carrier.