ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,239, issued on Feb. 10, was assigned to MIKUNI Corp. (Tokyo).
"Oil passage control valve and valve timing varying device" was invented by Masashi Ueda (Kanagawa, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An oil passage control valve include: a sleeve, including an internal passage extending in an axis direction and through which hydraulic oil passes, an annular groove formed on an outer periphery, and an opening penetrating in a radial direction in a region of the annular groove and through which hydraulic oil passes; a valve body, slidably housed in the internal passage and opening and closing the opening; a filter member of a strip-like...