Patent · US Active

Steel piston for an internal combustion engine

US11131269B2 · kind B2 · utility

0Cited by

5References

5Claims

0Family size

Assignee

Federal-Mogul Nurnberg GmbH · DE

Inventors

RALF MESKE · Schwabach, DE
Lukas Merz · Nuremberg, DE
Michael Kraemer · Nidderau, DE
Christoffer Schmoll · Nuremberg, DE

Key dates

Filing date	Aug 17, 2017
Grant date	Sep 28, 2021
Priority date	—
Expiry date	Feb 21, 2038

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF02F3/0084
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A steel piston (10) for an internal combustion engine has a cooling channel and shaft surfaces (12, 14) with which the piston (10), in the installed state, abuts a cylinder bore or a cylinder liner on a pressure side and a counterpressure side, wherein one shaft surface (12) has a width which is 25-50% smaller than the other shaft surface (14).

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