ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,178, issued on Dec. 30.
"Proportional actuator and unibody magnetic housing" was invented by Viraraghavan S. Kumar (Melbourne, Fla.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A proportional actuator, and a unibody magnetic housing for use in a proportional actuator. The proportional actuator includes a coil assembly with a coil and coil cover; the coil assembly is fitted to the unibody magnetic housing to form a magnetic coupling. The unibody magnetic housing includes a wall having a region of varying wall thickness, which may be formed by an annular groove, and a central bore in which a plunger may be slidably mounted so that its end moves alon...