Importance

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Abstract

An engine system is provided that uses lubrication oil that forms water-soluble ash when combusted. The engine system comprises an internal combustion engine lubricated by the lubrication oil; an exhaust gas system for cleaning exhaust gases from the internal combustion engine, the exhaust gas system comprising a diesel particulate filter to capture particulate matter from the exhaust gases, wherein the particulate matter comprises the water-soluble ash; an exhaust gas conduit to lead exhaust gases from the internal combustion engine to the exhaust gas system; and condensation means to accumulate condensed water and/or to form an increased amount of condensed water and arranged in fluid connection with the exhaust gas flow upstream of the diesel particulate filter. The exhaust gas conduit is arranged to collect condensed water and lead the condensed water through the diesel particulate filter, thereby dissolving and thus removing the water-soluble ash from the diesel particulate filter.

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First Claim