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:
Jul. 04, 2023
Filed:
Sep. 22, 2021
Volvo Truck Corporation, Gothenburg, SE;
Mathias Magnusson, Gothenburg, SE;
Fredrik Blomgren, Hisings Kärra, SE;
Lars Carlhammar, Lindome, SE;
Volvo Truck Corporation, Gothenburg, SE;
Abstract
An internal combustion engine system, including an internal combustion engine (ICE), an exhaust aftertreatment system (EATS) located downstream of said ICE. An exhaust gas recirculation (EGR) pump arranged in an exhaust gas recirculation duct extending between the ICE and EATS, wherein the ICE system has a normal operation mode for transporting, by means of the EGR pump, at least a portion of said exhaust gas to upstream of the ICE. The ICE system further includes a heating device arranged upstream of at least one exhaust aftertreatment devices of said EATS and the ICE system has a pre-heat operation mode for transporting, by means of the EGR pump, exhaust gas and/or air through said heating device and then to said at least one of said exhaust aftertreatment devices.