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:
May. 12, 2015
Filed:
Apr. 16, 2010
Applicants:
Niclas Johnson, Billdal, SE;
Marcus Steen, Angered, SE;
Frank Dennis Langervik, Greensboro, NC (US);
Paulina Ramfelt, Askim, SE;
Inventors:
Niclas Johnson, Billdal, SE;
Marcus Steen, Angered, SE;
Frank Dennis Langervik, Greensboro, NC (US);
Paulina Ramfelt, Askim, SE;
Assignee:
Volvo Lasivagnar AB, Göteborg, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01N 3/023 (2006.01); F01N 9/00 (2006.01); F02D 41/02 (2006.01);
U.S. Cl.
CPC ...
F01N 3/023 (2013.01); F01N 9/002 (2013.01); F01N 2570/10 (2013.01); Y02T 10/47 (2013.01); F02D 2041/026 (2013.01);
Abstract
A method for regenerating an exhaust gas purification unit arranged in an internal combustion engine system includes setting a predefined minimum engine speed such that the exhaust gas mass flow exceeds a predefined flow value during the regeneration process. An internal combustion engine system including an exhaust gas purification unit adapted to be operated according to the method is also provided.