Engine system

摘要

To provide a configuration that can discharge condensed water remaining in an exhaust gas passage in an engine in which a catalyst is placed in the exhaust gas passage. An engine system (100) is an engine system having an engine (10) in which a catalyst (6) is placed in an exhaust gas passage (31). The engine system (100) has a determination device (81a) for determining whether or not the catalyst (6) is immersed in the condensed water condensed from exhaust gas in a cold state and remaining in the exhaust gas passage (31) when the engine (10) is started, and an operation continuing device (81b) that allows operation of the engine (10) to continue when it is determined that the catalyst (6) is immersed in the condensed water so that a discharge operation time Te exceeds a required time.

主权项

1. An engine system having an engine in which a catalyst is placed in an exhaust gas passage, the engine system comprising:
a determination means for determining whether or not the catalyst is immersed in condensed water condensed from exhaust gas in a cold state and remaining in the exhaust gas passage when the engine is started; and an operation continuing means for allowing operation of the engine to continue so that a discharge operation time exceeds a required time when it is determined that the catalyst is immersed in the condensed water, wherein
the discharge operation time is an operation time of the engine, and the discharge operation time is a total of a plurality of consecutive operation times exclusive of a stop time in a hot state,the hot state is a state in which a temperature of the exhaust gas passage is increased, so that generation of the condensed water is inhibited, andthe required time is set as the discharge operation time required to completely evaporate the condensed water remaining in the exhaust gas passage.