Patent · US Active

Piston for an internal combustion engine

US8584626B2 · kind B2 · utility

3Cited by
15References
9Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 2, 2011
Grant dateNov 19, 2013
Priority date
Expiry dateMar 2, 2031

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02F3/20
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

The present invention relates to a piston (10, 110, 210) for an internal combustion engine, comprising a piston crown (13), a circumferential ring part (16), a circumferential cooling channel (27) arranged in the vicinity of the ring part (16), boss supports (21) connected below the piston crown (13), piston bosses (18) connected thereto, and a piston skirt (17). According to the invention, a cavity (28) closed on all sides and having a closure element (29, 129, 229) arranged in the direction of the piston skirt (17) is provided below the piston crown (13).

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