ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,668, issued on June 23, was assigned to StoneAge Inc. (Durango, Colo.).
"Self regulating fluid bearing high pressure rotary retarder nozzle" was invented by Douglas E. Wright (Durango, Colo.) and Daniel Szabo (Durango, Colo.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary nozzle having a rotating shaft operating within a cylindrical housing is balanced by allowing passage of a small amount of pressurized fluid to be bled to an area between the outside of the opposite end of the shaft and the inside of the housing where the fluid force acts axially in an opposing direction upon the shaft to balance the axial inlet force exerted by the pressur...