ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,708, issued on April 22, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).
"Seal device" was invented by Norihisa Takei (Tokyo), Hidekazu Uehara (Tokyo), Takumi Hori (Tokyo), Kohei Ozaki (Tokyo), Azumi Yoshida (Tokyo), Masaya Kawano (Tokyo), Shin Nishimoto (Yokohama, Japan), Tatsuro Furusho (Yokohama, Japan) and Shintaro Okumura (Yokohama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "This seal device comprises: a movable seal ring arranged so as to be deformable in the radial direction, in a state of facing an outer peripheral surface of a rotor of a steam turbine capable of rotating around the axis; a first elastic member provided to...