US Patent Issued to MITSUBISHI HEAVY INDUSTRIES on March 11 for "Shaft sealing device and rotary machine" (Japanese Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,490, issued on March 11, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Shaft sealing device and rotary machine" was invented by Kohei Ozaki (Tokyo), Masaya Kawano (Tokyo), Azumi Yoshida (Tokyo), Shintaro Okumura (Tokyo), Tatsuro Furusho (Tokyo) and Shin Nishimoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "This shaft sealing device comprises: a housing that has a storage groove; a seal body stored in the storage groove; and a projected part that projects from one of the housing and the seal body toward the other in the storage groove in an axial direction. The seal body divides an annular space into a high-pressure region on ...