Patent · US Expired

Method for the production of a valve seat

US7013858B2 · kind B2 · utility

0Cited by

1References

27Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Juergen Claus · Fellbach, DE
Reiner Heigl · Waiblingen, DE
Harald Pfeffinger · Tiefenbronn, DE

Key dates

Filing date	Oct 18, 2002
Grant date	Mar 21, 2006
Priority date	—
Expiry date	Apr 28, 2023

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49409
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

This invention relates to a method for the production of a valve seat (5) for a cylinder head of an internal combustion engine. According to said method, an additional material is melted with the cylinder head by applying energy in the site in which the valve seat (5) is to be formed. An alloy or a mixture consisting of an aluminum-iron alloy and at least another component is used as additional material.

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