US Patent Issued to MITSUBISHI HEAVY INDUSTRIES on July 1 for "Shaft seal device and rotary machine" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,335, issued on July 1, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Shaft seal device and rotary machine" was invented by Kohei Ozaki (Tokyo), Azumi Yoshida (Tokyo), Tatsuro Furusho (Kanagawa, Japan) and Shin Nishimoto (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A shaft seal device according to at least one embodiment of the present disclosure includes: a plurality of thin plates arranged in a circumferential direction of a rotational shaft and each having a width in an axial direction of the rotational shaft and a seal ring including a seal mounting groove for mounting the plurality of thin plates. An inner wall of ...