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:
Mar. 18, 2025
Filed:
Oct. 19, 2023
Saudi Arabian Oil Company, Dhahran, SA;
Emmanuel Laigle, Courbevoie, FR;
Christophe Chaillou, Rueil-Malmaison, FR;
Caroline Norsic, Rueil-Malmaison, FR;
SAUDI ARABIAN OIL COMPANY, Dhahran, SA;
Abstract
A system for reducing internal combustion engine emissions includes a main exhaust line, a multi-particulate filter, and a valve connected between the main exhaust line and the multi-particulate filter. The multi-particulate filter contains a first particulate filter, a second particulate filter, a first ozone injector, a second ozone injector, and an oxidation catalyst. A process for reducing internal combustion engine emissions includes flowing exhaust emissions through a main exhaust line and alternating filtering the exhaust emissions with a first and second particulate filter. Alternating includes adjusting one or more valves to bypass the second particulate filter and filter the exhaust emissions with the first particulate filter while injecting the second particulate filter with ozone. The process also includes adjusting the position of the one or more valves to flow exhaust emissions to the second particulate filter while the first particulate filter receives injected ozone.