Patent · US Expired

Two-way seat-type valve

US5947441A · kind A · utility

4Cited by

11References

12Claims

0Family size

Assignee

DANFOSS A/S · DK

Inventors

Siegfried Zenker · Kirchseeon, DE
Jens J.o slashed.rgen Nielsen · Sweetgum Street, DK
Erik Plauborg · Vejle, DK

Key dates

Filing date	Sep 22, 1997
Grant date	Sep 7, 1999
Priority date	—
Expiry date	Sep 22, 2017

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF15B21/06
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A two-way seat-type valve is provided, having a valve seat which is arranged between a first and a second connection, and having a closure element which co-operates with the valve seat, is arranged in a guide so as to be movable towards the valve seat or away from the valve seat, and which is subjected to a control pressure prevailing in a pressure chamber on the side, remote from the valve seat, of the closure element. A valve of this type should also be able to exhibit good reaction characteristics with water as hydraulic fluid. For this purpose, the closure element is guided seallessly in the guide.

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