公开(公告)号：US11408507B2

公开(公告)日：2022-08-09

申请号：US15734748

申请日：2019-07-09

申请人： FEDERAL-MOGUL NURNBERG GMBH

发明人： Sven Ungermann

IPC分类号： F02F3/00 ,  F16J9/20

摘要： A piston (10) for an internal combustion engine includes a groove (16) for an oil wiper ring and a recess (18) between the groove (16) and at least one shaft wall (20). A lower edge of the groove (16), which is closer to the shaft wall (20), has a larger diameter than a lower edge of the recess (18).

公开(公告)号：US12000355B2

公开(公告)日：2024-06-04

申请号：US17622254

申请日：2020-06-25

申请人： FEDERAL-MOGUL NURNBERG GMBH

发明人： Julian Zilker ,  Michael Scherer ,  Olga Seller ,  Sven Ungermann ,  Ralf Meske

IPC分类号： F02B3/00 ,  F02F3/02 ,  F02F3/00

CPC分类号： F02F3/02 ,  F02F2003/0007

摘要： A piston (10) for an internal combustion engine, includes shaft wall sections (18) for supporting in a cylinder or a cylinder liner, and at least one base support (20) that is connected thereto in the circumferential direction, and which has at least one contour that forms a section of a helix.