公开(公告)号：US20240209759A1

公开(公告)日：2024-06-27

申请号：US18420997

申请日：2024-01-24

申请人： Board of Trustees of Michigan State University ,  Mid Michigan Research, LLC

发明人： Harold J. SCHOCK ,  Thomas R. STUECKEN ,  Jennifer HIGEL ,  Gary HUNTER

IPC分类号： F01L13/00 ,  F01L1/02 ,  F01L1/053

CPC分类号： F01L13/0036 ,  F01L1/022 ,  F01L2001/0537

摘要： An internal combustion engine includes a camshaft operably adjusted by a phaser. Another aspect includes an internal combustion engine having an actuation system for an air valve. A further aspect provides a camshaft-in-camshaft system with a cam phaser located adjacent opposite ends. In another aspect, an internal combustion engine apparatus includes multiple nested camshafts with one of the camshafts having a cam configured to actuate an air intake valve associated with a turbulent jet ignition prechamber, and another of the camshafts having a cam configured to actuate an air valve of a main piston combustion chamber, the nested camshafts being independently rotatable by separate electromagnetic actuators.