ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,402, issued on Feb. 10, was assigned to AISIN Corp. (Aichi, Japan).
"Rotary valve" was invented by Masato Ishii (Kariya, Japan), Hideto Yano (Kariya, Japan), Hiroyuki Oya (Kariya, Japan) and Masao Kihara (Kariya, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a rotary valve that suppresses deformation of a sealing member and prevents leakage of a fluid while reducing a size of the rotary valve. The rotary valve includes: a rotor that controls circulation of the fluid by rotating about an axis; a sealing member having an opening through which the fluid flows, the sealing member being disposed on a radially outer side of the ro...