公开(公告)号：EP4357595A1

公开(公告)日：2024-04-24

申请号：EP22306584.8

申请日：2022-10-19

Applicant: Volvo Truck Corporation

Inventor： Bauvir, Laurent

IPC: F02B37/22 ,  F02M26/10 ,  F02M26/14 ,  F02M26/42 ,  F02M26/51 ,  F02M26/52 ,  F02M26/67 ,  F16H25/18 ,  F16K31/524

CPC classification number: F02M26/67 ,  F02M26/51 ,  F02M26/10 ,  F02M26/52 ,  F02M26/42 ,  F02M26/14 ,  F02B37/22 ,  F16K31/52408 ,  F16K31/52441 ,  F16H25/18 ,  F16K1/2007 ,  F16K11/166 ,  F16K11/165 ,  F16K31/04 ,  F16K31/041 ,  F16K31/53 ,  F16K31/535

Abstract: An engine system (10) comprises an internal combustion engine (12) with two sets of cylinders (16, 22), a turbocharger (28), two exhaust conduits (30, 32) providing fluid communication between the turbocharger and the exhaust of the sets of cylinders, and an exhaust gas recirculation system (34) comprising a recirculation valve (38). Two proportional exhaust valves (42, 46) are adapted to control a flow of exhaust gas in the two exhaust conduits. The engine system comprises an actuator (50) comprising an output component operating the recirculation valve and the two exhaust valves. In a neutral position, the two exhaust valves are open and the recirculation valve is closed. A first movement of the output component, from its neutral position towards a first position, open the recirculation valve and close a first of the two exhaust valve. A second movement, from the first position and in the same direction as the first movement, close the second exhaust valve and hold open the recirculation valve and closed the first exhaust valve.