ALEXANDRIA, Va., April 15 -- United States Patent no. 12,601,420, issued on April 14, was assigned to Depatie Fluid Power Co. (Portage, Mich.).
"3/3 way solenoid valve" was invented by Robert Brian Knepple (Kalamazoo, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A solenoid valve comprises spring loaded poppets that selectively seal an inlet supplied from a pump and an outlet that exhausts. The spring loaded poppets are carried by an armature in axially aligned relation and maintain both the inlet port and outlet part normally closed, wherein the armature is movable to open one of the inlet or outlet while the other remains closed. Two independent solenoid coils are provided to move the armature in op...