US Patent Issued to SUBARU on Nov. 3 for "Variable valve timing mechanism" (Japanese Inventor)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,781,649, issued on Nov. 3, was assigned to SUBARU Corp. (Tokyo).

"Variable valve timing mechanism" was invented by Hidenori Anzai (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A variable valve timing mechanism includes a lock pin and a foreign matter discharge oil passage. An urging force of an urging member constituting the lock pin is set such that, when a hydraulic pressure applied to one end surface of the lock pin is equal to or higher than a first predetermined hydraulic pressure and lower than a second predetermined hydraulic pressure, the lock pin unlocks a housing and a rotor and interrupts communication between a lock oil passage and th...