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Patent
Title

Fluidsteuerventil

Other Title
Piloted fluid control valve has control spool movable in valve housing by electro-rheological or magneto-rheological control fluid which is controllable in dependence upon electrical or magnetic field applied to it
Abstract
(B3) Vorgesteuertes Fluidsteuerventil und Verfahren zur Steuerung eines Haupt-Fluidstroms, wobei ein Steuerschieber durch ein Steuerfluid in einem Ventilgehaeuse verschiebbar ist, das Steuerfluid ein elektro-rheologisches oder magneto-rheologisches Fluid ist und das Steuerfluid in Abhaengigkeit eines elektrischen oder magnetischen Feldes, das auf das Steuerfluid aufgebracht wird, gesteuert wird.

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DE 102005021850 B3 UPAB: 20060906 NOVELTY - The piloted fluid control valve has a control spool (1) to control a main fluid flow (12) and which is movable in a valve housing (3) by a control fluid (13) which is an electro-rheological or magneto-rheological fluid. The control fluid is controllable in dependence upon an electrical or magnetic field which is applied to the control fluid. A control unit (11) is provided to control the pressure and/or flow of the control fluid. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for the control of a main fluid flow through a piloted fluid control valve. USE - The piloted fluid control valve may be used to control relatively large fluid flows and may be in the form of a proportional directional valve, a regulating valve, or a high-response regulating valve. ADVANTAGE - A high control dynamic can be achieved in a simple and reliable manner.
Inventor(s)
Noack, S.
Drossel, W.
Riedel, M.
Link to Espacenet
http://worldwide.espacenet.com/publicationDetails/biblio?DB=worldwide.espacenet.com&locale=en_EP&FT=D&CC=DE&NR=102005021850A
Patent Number
102005021850
Publication Date
2006
Language
German
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
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