CHECK VALVE SYSTEM WITH ELECTRONIC CONTROL

A valve unit includes a first piston, which has a first opening and a control chamber. A fluid connection between a first and a second port is closed or, in a position defined by the first piston, is held open in the event that a hose which is connected to the first port bursts. A pilot valve (48) i...

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Bibliographische Detailangaben
Hauptverfasser:	Bello, Felice, Ferraresi, Paolo, Dotti, Francesco, Brucker, Marcel
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A valve unit includes a first piston, which has a first opening and a control chamber. A fluid connection between a first and a second port is closed or, in a position defined by the first piston, is held open in the event that a hose which is connected to the first port bursts. A pilot valve (48) is present, which has a core and a coil, and a fluid flow from the control chamber to the first port can be regulated by an electric current in the coil. The current is regulated by a logic unit which is suitable for receiving signals from at least one sensor, in particular a pressure sensor, an inertia detector and/or position sensor and for regulating the electric current in the coil.