ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,432, issued on March 24, 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: "[Solution] A purification system includes an engine, a catalyst that causes adsorbed ammonia to react with nitrogen oxide contained in exhaust gas of the engine to purify the exhaust gas, a motor that is driven to compensate for the difference between a) an engine load of the engine and b) a driving load, when the driving load of a driven device driven by the engine changes, a battery that supplies electricity to the motor, and a setting part that sets a ta...