公开(公告)号：US20190153906A1

公开(公告)日：2019-05-23

申请号：US16306759

申请日：2017-05-08

Applicant: Scania CV AB

Inventor： Eric OLOFSSON ,  Andreas DAHL ,  Johan LINDERYD ,  Henrik HÖGLUND ,  Torbjörn ELIASSEN ,  Per STÅLHAMMAR ,  Jonas ASPFORS

IPC: F01L1/053 ,  F01L1/08 ,  F01L9/02 ,  F01L1/18 ,  F01L1/46 ,  F01L13/00 ,  F02D41/00

Abstract: Provided is a four stroke internal combustion engine comprising at least one cylinder arrangement, a crankshaft, a camshaft, and a turbine. The camshaft is synchronized with the crankshaft to rotate at a same rotational speed as the crankshaft. A linkage arrangement is configured to prevent the motion of the valve head every alternate rotation of the camshaft, such that the exhaust opening remains closed during a compression stroke of the piston. Also a method for controlling a four stroke internal combustion engine is disclosed.