US Patent Issued to Tyco Fire Products on May 27 for "Manual reset actuator for diaphragm control valve" (Massachusetts, Rhode Island Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,171, issued on May 27, was assigned to Tyco Fire Products LP (Cranston, R.I.).

"Manual reset actuator for diaphragm control valve" was invented by Joshua Motha (Tiverton, R.I.) and James O. Williams (Marlborough, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A manual reset actuator includes a main drain, a diaphragm release aperture fluidly coupled to a flow control valve, an upper chamber, a control port, a control orifice, an upper chamber supply orifice, and a sealing assembly, which includes a button, and a plunger. A pressure in the upper chamber exerts a downward force on the plunger. A spring exerts an upward force on the plunger. The ...