ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,917, issued on Dec. 2.
"Hydrostatically adjustable valve and associated system" was invented by Jeffrey Alan Chalfin (Carlsbad, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a hydrostatically adjustable flow control valve. In one embodiment, the valve includes a fixed sleeve that slidably receives a spool. A spring biases the spool relative to the fixed sleeve. A primary orifice is used to deliver fluid to the interior area of the fixed sleeve and spool. A control device is used to selectively vary the rate at which fluid drains from the interior area. Draining the fluid results in the spool being received wi...