US Patent Issued to NOK on Nov. 3 for "Sealing device, sealing structure, and sealing structure assembly method" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,856, issued on Nov. 3, was assigned to NOK Corp. (Japan).

"Sealing device, sealing structure, and sealing structure assembly method" was invented by Kenichi Nakayama (Kitaibaraki, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sealing device is assembled between a cylindrical housing and a rotor located inside the housing coaxially with the housing and rotatable about an axis. The sealing device includes a first seal and a second seal. The first seal includes a body to extend along an outer periphery of the rotor, a port through the body in a radial direction of the body, and a groove on an outer circumferential surface of the body, surroundi...