Patent · US Active

Cylinder sleeve

US8720319B2 · kind B2 · utility

1Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 3, 2010
Grant dateMay 13, 2014
Priority date
Expiry dateFeb 13, 2033

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05C2251/048
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a cylinder sleeve (10) having an outer mantle surface (11) that has a surface structure (12, 112, 212). According to the invention, it is provided that the mantle surface (11) is provided with elevations (13, 113, 213; 14, 118, 219), that each elevation (13, 113, 213; 14, 118, 219) has at least one rounded area (16, 116, 216) in the region of its base (B), that some of the elevations (13, 113, 213) have at least one undercut (15, 115, 215), and that at least one elevation (14, 118, 219) without undercut is disposed between two elevations (13, 113, 213) with undercut (15, 115, 215).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.