ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,054, issued on May 6, was assigned to DENSO Corp. (Kariya, Japan).
"Motor control device" was invented by Yuichi Seo (Kariya, Japan) and Yuuji Hidaka (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A motor control device configured to control a motor that drives a fuel pump includes a sign detection unit and a vapor suppression unit. The sign detection unit is configured to detect a sign of a vapor lock that is an abnormality in which the fuel pump is unable to discharge a fuel due to a vapor inside the fuel pump. The vapor suppression unit is configured to change a rotation speed of the motor to reduce the vapor inside the fuel pump w...