US Patent Issued to Nidec Motor on March 17 for "Dual motor system with flow control" (Missouri Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,502, issued on March 17, was assigned to Nidec Motor Corp. (St. Louis).

"Dual motor system with flow control" was invented by Eric Coupart (Clayton, Mo.), James D. Ellis II (Kirkwood, Mo.), Pranesh Rao (Chesterfield, Mo.), John G. Schrader (St. Louis) and Bret S. Clark (Oakville, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A dual motor system includes a first motor providing a lower speed range and a second motor providing a higher speed range, wherein the motors are coaxially arranged and aligned on and drive a common shaft, and a motor control system controlling the speed of the first motor and engaging the second motor as needed. The firs...