ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,188, issued on May 27, was assigned to Tyco Fire & Security GmbH (Neuhausen am Rheinfall, Switzerland).
"Valve assembly with adjustable spacer and noise reduction" was invented by Damon Smith (Alto, Ga.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve assembly, includes a valve body having an inlet portion, an outlet portion, and a constriction portion; a shaft positioned within the valve body and extending along a longitudinal axis of the valve body; a cone provided within the inlet portion and configured to move along the shaft; a spring configured to bias the cone away from the constriction and positioned between a first piston fixed to the...