ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,912, issued on May 13, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Flow rate control valve" was invented by Masami Ishikawa (Aichi-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A flow rate control valve is configured to adjust a flow rate of blow-by gas drawn into an intake passage from a crankcase of an internal combustion engine that uses hydrogen as fuel. The flow rate control valve includes a flow rate adjuster having a valve member. The flow rate adjuster has a cross-sectional flow area in a section through which the blow-by gas passes. The cross-sectional flow area is changed in accordance with movement of the valve membe...