Patent · US Active

Double-seat valve having a seat-cleaning function, and method for cleaning said double-seat valve having a seat-cleaning function

US8430110B2 · kind B2 · utility

2Cited by

3References

17Claims

0Family size

Assignee

GEA Tuchenhagen GmbH · DE

Inventors

Bastian Tolle · Höchst im Odenwald, DE
Gundar Scholz · Reinbek, DE
Jens Burmester · Grambek, DE

Key dates

Filing date	Oct 28, 2008
Grant date	Apr 30, 2013
Priority date	—
Expiry date	Feb 9, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/88038
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A double-seat valve having a seat-cleaning function, wherein the double-seat valve opens downward, and the two closing elements can be moved independently of each other by a partial lift in each case gap-wide into a seat cleaning position for the purpose of cleaning their seat such that the dependently driven second closing element is pushed into its respective seat cleaning position by a second partial lift in the same direction of the opening movement, and the independently driven first closing element is pushed into its respective seat cleaning position by a first partial lift in the direction counter to the opening lift.

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