US Patent Issued on June 10 for "Alternating current boat propulsion system" (Indiana Inventor)

ALEXANDRIA, Va., June 18 -- United States Patent no. 12,325,500, issued on June 10.

"Alternating current boat propulsion system" was invented by David Harshberger (Nappanee, Ind.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An alternating current (AC) propulsion system for a boat. The AC propulsion system includes a trolling motor operably mountable to the boat and an AC power system. The trolling motor has a head and a motor housing secured at upper and lower ends, respectively, to an elongated shaft. An AC motor is disposed in the motor housing and drives a propeller. The AC power system includes a generator and a variable frequency drive (VFD). The VFD includes a VFD AC input and a VFD AC output. The VF...