Patent · US Active

Method for producing a piston for an internal combustion engine and the thus produced piston

US8136243B2 · kind B2 · utility

1Cited by

10References

7Claims

0Family size

Assignee

Federal-Mogul Nurnberg GmbH · DE

Inventors

Simon Reichstein · Nuremberg, DE
Lothar Hofmann · Burgkunstadt, DE
Peter Konrad · Old Hickory, US

Key dates

Filing date	Aug 9, 2006
Grant date	Mar 20, 2012
Priority date	—
Expiry date	May 3, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49265
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The invention relates to a method for producing an internal combustion engine piston which is provided with at least one cooling channel (12) and at least one reinforced piston ring groove (14) consisting in producing a piston blank (1), in forming a groove (10) provided with a cooling channel (12) and an external ring (11) in said piston blank (1), in filling the cooling channel (12) with are movable material (2), in filling the external ring with a reinforcing material (3) in removing the removable material (2) and in finish-machining the piston. A piston made of aluminum alloy and produced according to the inventive method is also disclosed.

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