US Patent Issued to GM GLOBAL TECHNOLOGY OPERATIONS on Nov. 3 for "Electronically-controlled variable flow valves" (Michigan Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,868, issued on Nov. 3, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Electronically-controlled variable flow valves" was invented by Devon Robert Hall (Ann Arbor, Mich.), Brian K. Saylor (South Lyon, Mich.), Matthew Watts (South Lyon, Mich.) and McGregor Coyne (Farmington Hills, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electronically-controllable flow valve includes a conduit including a fluid channel with an inlet and an outlet. A projection is connected to an inner surface of the fluid channel. A piezoelectric diaphragm is arranged on an opposing surface of the conduit adjacent to the projection. A piezo actuator is...