ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,836, issued on Sept. 9, was assigned to HORTON INC. (Roseville, Minn.).
"Viscous clutch with front-mounted electromagnetic coil, modular valve and front hub subassemblies for a viscous clutch, and method of making" was invented by Jonathan Ackermann (Circle Pines, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A viscous clutch assembly includes a rotationally fixed center shaft, a rotor rotatably supported on the center shaft, a housing rotatably supported on the center shaft, a working chamber, a reservoir carried by the rotor, an electromagnetic coil located at or near a front end of the center shaft, a valve subassembly magnetically operab...