公开(公告)号：US20200032684A1

公开(公告)日：2020-01-30

申请号：US16477313

申请日：2018-01-23

Applicant: Scania CV AB

Inventor： Henrik ERIKSSON ,  Francesco REGALI ,  Mattias BERGER ,  David RAYMAND ,  Ulf NYLÈN ,  Joel CARLSSON

IPC: F01N3/023 ,  B01D46/00 ,  B01D46/04

Abstract: The present disclosure relates to a method of compacting an ash deposited in a particulate filter for a vehicle exhaust gas system, the method comprising the steps of: a) providing a low-temperature melting salt to the particulate filter, thereby forming a mixture of the ash and the low-temperature melting salt: and b) bringing the particulate filter to a compaction temperature, thereby compacting the mixture of the ash and the low-temperature melting salt. The disclosure further relates to engine oils, dosage products, engine systems and vehicles for implementing such a method.