Patent · US Active

Piston for an internal combustion engine

US7533649B2 · kind B2 · utility

9Cited by

9References

11Claims

0Family size

Assignee

Mahle International GmbH · DE

Inventors

Peter Kemnitz · Leutenbach, DE
Alexander Grössle · Pfedelbach, DE

Key dates

Filing date	Jun 21, 2007
Grant date	May 19, 2009
Priority date	—
Expiry date	Dec 28, 2027

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J1/09
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A piston for an internal combustion engine, comprising a piston head having a piston crown, a circumferential top land, and a circumferential ring belt having ring grooves. At least one ring groove is provided with a ring insert. A circumferential depression is provided in the top land, above the ring belt.

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