Patent · US Expired

Valve element for supplementary control valve device

US6969048B2 · kind B2 · utility

11Cited by

9References

6Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Rajko Colic · Bad Homburg vor der Höhe, DE
Thomas Hannewald · Griesheim, DE
Thomas Mann · Wackersdorf, DE
Herbert Severien · Gelnhausen, DE

Key dates

Filing date	Dec 30, 2004
Grant date	Nov 29, 2005
Priority date	—
Expiry date	Dec 30, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

The valve element is composed of a valve stem, at one of whose ends a valve head is arranged, said valve head being of concave design in the direction of the valve stem, having on the outside a continuous annular region and having at least two cutouts between the annular region and the central connection point for connecting to the valve stem which are closed off by at least one closure part.

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