PISTON LIMIT SENSING FOR FLUID APPLICATION

A liquid delivery system includes a source of hydraulic fluid and a hydraulic cylinder fluidically coupled to the source of hydraulic fluid and having a hydraulic piston movable between first and second limit positions. The liquid delivery system includes a rod connected to the piston and extending...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZIENTARA, Daniel R, NGUYEN, Lam H
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL ATOMISING APPARATUS 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 NOZZLES PERFORMING OPERATIONS SPRAYING APPARATUS SPRAYING OR ATOMISING IN GENERAL SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A liquid delivery system includes a source of hydraulic fluid and a hydraulic cylinder fluidically coupled to the source of hydraulic fluid and having a hydraulic piston movable between first and second limit positions. The liquid delivery system includes a rod connected to the piston and extending out of the hydraulic cylinder and a sensor device located outside the hydraulic cylinder and configured to sense a position of the rod and to generate a signal indicating the sensed position. The liquid delivery system includes a liquid cylinder comprising a liquid piston, operably driven by the rod, to pump a liquid along a flow path to a fluid applicator.