ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,912, issued on Dec. 2, was assigned to EAGLE INDUSTRY Co. LTD. (Tokyo).
"Switching valve" was invented by Tadanobu Kawato (Tokyo), Takashi Shioi (Tokyo), Akitaka Matsuzaki (Tokyo), Naoki Nishimura (Tokyo), Ryota Urakawa (Tokyo), Hironori Tanikawa (Tokyo) and Noriyuki Ogawa (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a switching valve capable of maintaining a satisfactory contact state between a contact surface of a rotor and a seat surface of a stator in a rotation range of the rotor. A stator is provided with a plurality of inlet ports and outlet ports through which a working fluid passes, a rotor is provided with at least two ...