Patent ID: 8720319
Filing Date: 2014-05-13
Classification: F02F,F05C,F16J

Abstract:
1. A cylinder sleeve ( 10 ) comprising an outer mantle surface ( 11 ) that has a surface structure ( 12 , 212 ), wherein the mantle surface ( 11 ) is provided with elevations ( 13 , 213 ; 14 , 219 ), wherein each elevation ( 13 , 213 ; 14 , 219 ) has two rounded areas ( 16 , 216 ) in the region of its base (B), wherein some of the elevations ( 13 , 213 ) have two undercuts ( 15 , 215 ), and wherein at least two elevations ( 14 , 219 ) without undercut are disposed between two of the elevations ( 13 , 213 ) with undercut ( 15 , 215 ).