The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 29, 2026
Filed:
Feb. 07, 2023
Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;
SCHAEFFLER TECHNOLOGIES AG & CO. KG, Herzogenaurach, DE;
Abstract
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 lambda sensor is arranged upstream of the first three-way catalytic converter. The binary lambda sensor is arranged downstream of the first three-way catalytic converter or the binary lambda sensor is arranged in the first three-way catalytic converter or in the second three-way catalytic converter and is arranged upstream of the second three-way catalytic converter. The NOx sensor is arranged downstream of the second three-way catalytic converter, and the linear lambda sensor, the binary lambda sensor and the NOx sensor are connected to a control device for lambda control.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile