US Patent Issued to MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER on Oct. 7 for "Coupling device and torsional natural frequency adjustment method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,762, issued on Oct. 7, was assigned to MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER LTD. (Sagamihara, Japan).

"Coupling device and torsional natural frequency adjustment method" was invented by Naoyuki Nagai (Tokyo) and Nobuaki Satou (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coupling device that connects a first shaft and a second shaft that includes a primary inner ring member mounted on the first shaft, a primary outer ring member disposed on an outer circumferential side of the primary inner ring member, a primary elastic member for connecting the primary inner ring member and the primary outer ring member, a secondary inner rin...