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:
Oct. 13, 2026
Filed:
Feb. 27, 2025
Liebherr-components Colmar Sas, Colmar Cedex, FR;
Salvatore Collura, Luttenbach, FR;
LIEBHERR-COMPONENTS COLMAR SAS, Colmar Cedex, FR;
Abstract
The present disclosure provides an exhaust gas aftertreatment system for an ammonia fueled internal combustion engine comprising: a passive SCR catalyst system arranged downstream of the engine, the passive SCR catalyst system comprising an SCR catalyst and no reductant injection system, and an active SCR catalyst system arranged downstream of the passive SCR catalyst system, the active SCR catalyst system comprising an SCR catalyst, a first NOx sensor and a reductant injection system, the reductant injection system comprising a reductant injector and a controller controlling reductant injection based on an NOx concentration measured by the first NOx sensor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile