US Patent Issued to AISIN on June 30 for "Valve opening-closing timing control device" (Japanese Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,669,072, issued on June 30, was assigned to AISIN Corp. (Kariya, Japan).

"Valve opening-closing timing control device" was invented by Masato Udaka (Kariya, Japan), Yoshiaki Yamakawa (Kariya, Japan) and Kenji Ikeda (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A valve opening-closing timing control device includes an eccentric member that meshes an external teeth portion of an input gear with an internal teeth portion of an output gear. A concave portion on the eccentric member allows a spring member to be arranged in the concave portion. The spring member applies biasing force of meshing the external teeth portion with the internal teet...