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1. (US20050121206) Sprinkler assembly
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Claims

1. A sprinkler assembly for controlling a fire comprising:
a dispensing and valve mechanism in fluid communication with a fluid source for dispensing a fluid, said dispensing and valve mechanism including a dispensing and valve body having a valve body and a dispensing body integrally connected thereto, said valve body including an inlet for receiving the fluid and said dispensing body section including an outlet for discharging the fluid, said valve body further including a valve seal moveable between a closed position blocking fluid flow through said dispensing and valve body and an open position permitting fluid flow through said dispensing and valve body, said dispensing and valve mechanism having a body adapted for dispensing the fluid in a predetermined spray pattern,
a sensing mechanism operatively connected to said valve seal, said sensing mechanism being thermodynamically responsive to at least one of heat, smoke, infrared radiation and ultraviolet radiation emitted by a heat source,
wherein said sensing mechanism is moveable relative to said dispensing and valve mechanism to a position of optimum thermodynamic sensitivity in response to a fire situation.
2. The assembly according to claim 1, wherein said valve seal remains in said open position irrespective of a magnitude of said at least one of heat, smoke, infrared radiation and ultraviolet radiation emitted by the heat source once said valve seal moves into said open position in response to said sensing mechanism.
3. The assembly according to claim 1, wherein said dispensing and valve mechanism is connected to the fluid source at a connection point, said valve seal and an opening end of said valve inlet being positioned upstream of said connection point so as to protrude into a transverse flow path of the fluid source to thereby prevent excessive fluid accumulation at said valve seal.
4. The assembly according to claim 3, wherein said valve seal remains in said open position irrespective of a magnitude of said at least one of heat, smoke, infrared radiation and ultraviolet radiation emitted by the heat source once said valve seal moves into said open position by sensing mechanism.