US Patent Issued to EONC on Oct. 7 for "Method and device for detecting misfiring cylinder of reciprocating internal-combustion engine using torsional vibration signal" (South Korean Inventor)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,436,064, issued on Oct. 7, was assigned to EONC Co. LTD. (Changwon-si, South Korea).

"Method and device for detecting misfiring cylinder of reciprocating internal-combustion engine using torsional vibration signal" was invented by Jeonggeun Park (Changwon-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for detecting a misfiring cylinder is characterized by: performing frequency analysis on a torsional vibration signal from an internal-combustion engine system to extract an amplitude and a phase of a fundamental frequency component; comparing the amplitude of the fundamental frequency component with the amplitude of the torsional v...