US Patent Issued to TOYOTA JIDOSHA on Sept. 15 for "Internal combustion engine system" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,016, issued on Sept. 15, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).

"Internal combustion engine system" was invented by Yuji Yamaguchi (Gotemba, Japan) and Taisuke Yoshida (Susono, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An internal combustion engine system is configured to execute feedback processing of performing feedback control of an air-fuel ratio such that exhaust gas exhausted from an internal combustion engine reaches a target air-fuel ratio, target air-fuel ratio switching processing of alternately switching the target air-fuel ratio between lean and rich setting values, parameter calculation processing of calculatin...