US Patent Issued to SCHAEFFLER TECHNOLOGIES on Sept. 29 for "Apparatus and method for lambda control of spark-ignition engines, and motor vehicle" (German Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,747,711, issued on Sept. 29, was assigned to SCHAEFFLER TECHNOLOGIES AG & Co. KG (Herzogenaurach, Germany).

"Apparatus and method for lambda control of spark-ignition engines, and motor vehicle" was invented by Paul Rodatz (Munich), Gerhard Haft (Munich) and Florian Pickl (Beilngries, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device for lambda control of a gasoline engine includes a first three-way catalytic converter, a second three-way catalytic converter, a linear lambda sensor, a binary lambda sensor and an NOx sensor. The first three-way catalytic converter is arranged upstream of the second three-way catalytic converter. The linear...