US Patent Issued to NISSAN MOTOR on July 14 for "Abnormality determination method for purge system and abnormality determination system for purge system" (Japanese Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,521, issued on July 14, was assigned to NISSAN MOTOR Co. LTD. (Yokohama, Japan).

"Abnormality determination method for purge system and abnormality determination system for purge system" was invented by Kenichi Igarashi (Kanagawa, Japan), Kaito Kitajima (Kanagawa, Japan) and Ryo Wakabayashi (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An method for determining an abnormality in a passage of a purge system includes: closing an outside air shutoff valve in a state where an output of a purge pump is set to be a high output upon determining that there is a possibility of an abnormality in the passage based on a first diagnosis paramet...