Patent · US Active

Piston for an internal combustion engine

US8695560B2 · kind B2 · utility

1Cited by

8References

10Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Wolfgang Issler · Schwaikheim, DE
Peter Kemnitz · Leutenbach, DE

Key dates

Filing date	Dec 17, 2010
Grant date	Apr 15, 2014
Priority date	—
Expiry date	Dec 20, 2030

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02F3/00
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A piston for an internal combustion engine has a piston crown, a circumferential fire land, a circumferential ring part having annular grooves, and a piston skirt, which comprises two skirt walls and two box walls set back from the ring part and connecting the skirt walls in such a way that an exposed underside of the ring part is formed in the area of each of the box walls. The box walls are provided with pin bosses having pin bores. At least one support element is arranged between each exposed underside of the ring part and the box wall associated with the underside of the ring part.

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