ALEXANDRIA, Va., Feb. 12 -- United States Patent no. 12,222,038, issued on Feb. 11, was assigned to DENSO Corp. (Kariya, Japan).
"Valve device" was invented by Noriyuki Inagaki (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve device includes: a seal member that is slidably in close contact with an outer peripheral surface of a rotation shaft; and an annular attachment ring that attaches the seal member to a housing. The seal member has a first-side plate part and a second-side plate part sandwiching and holding the seal member in an axial direction of the rotation shaft. An inner peripheral end of the second-side plate part is positioned radially outside beyond an inner peripheral end of...