公开(公告)号：US11828208B2

公开(公告)日：2023-11-28

申请号：US17915072

申请日：2021-03-23

申请人： Marek Zak

发明人： Marek Zak

IPC分类号： F01L7/12 ,  F01L7/06 ,  F02B25/06 ,  F02B75/02

CPC分类号： F01L7/12 ,  F01L7/06 ,  F02B25/06 ,  F02B75/02 ,  F01L2313/00 ,  F02B2075/025

摘要： The invention discloses a two-stroke internal combustion engine having an engine housing with a crankcase in which a crankshaft is connected to a piston moving in a cylinder, an exhaust port leading from the cylinder space and opening at the level of the lower dead center of the crankshaft, the exhaust port is configured to be closed by a piston when the crankshaft is in its top dead center position, characterized in that it further has a rotary disk with an opening or recess on a part of its circumference, or with a protrusion on a part of its circumference, the rotary disk extending with its circumference into the exhaust port so that the exhaust port is completely closable by the rotary disk.

公开(公告)号：US20230143774A1

公开(公告)日：2023-05-11

申请号：US17915072

申请日：2021-03-23

申请人： Marek ZAK

发明人： Marek ZAK

IPC分类号： F01L7/12 ,  F01L7/06 ,  F02B25/06 ,  F02B75/02

CPC分类号： F01L7/12 ,  F01L7/06 ,  F02B25/06 ,  F02B75/02 ,  F01L2313/00 ,  F02B2075/025

摘要： The invention discloses a two-stroke internal combustion engine having an engine housing with a crankcase in which a crankshaft is connected to a piston moving in a cylinder, an exhaust port leading from the cylinder space and opening at the level of the lower dead center of the crankshaft, the exhaust port is configured to be closed by a piston when the crankshaft is in its top dead center position, characterized in that it further has a rotary disk with an opening or recess on a part of its circumference, or with a protrusion on a part of its circumference, the rotary disk extending with its circumference into the exhaust port so that the exhaust port is completely closable by the rotary disk.