US Patent Issued to ISUZU MOTORS on July 21 for "Purification system" (Japanese Inventor)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,123, issued on July 21, was assigned to ISUZU MOTORS Ltd. (Yokohama, Japan).

"Purification system" was invented by Yasuhiro Okubo (Fujisawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A purification system includes a clutch that switches between transmitting and interrupting power of an engine to a driven device, which is driven by power of the engine and a motor, a catalyst that i) adsorbs nitrogen oxides if an air-fuel ratio is a threshold value or more, and ii) facilitates a reaction between unburned fuel and the adsorbed nitrogen oxides if the air-fuel ratio is less than the threshold value, a clutch controller that brings the clutch i...