METERING APPARATUS AND METHOD FOR OPERATING A METERING APPARATUS

The invention relates to a metering apparatus for free-flowing material (1) and to a method for operating such a metering apparatus. The metering apparatus comprises a metering duct (2) having a closed cross section and further comprises a rotary drive (M). The metering duct (2) is wound in the form...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WOLF, ACHIM, SCHROPPEL, PETER, BLUM, UWE, LOBER, MARTIN, SEYFANG, KARLHEINZ
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	MEASURING MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL METERING BY VOLUME PHYSICS TESTING
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Beschreibung
Zusammenfassung:	The invention relates to a metering apparatus for free-flowing material (1) and to a method for operating such a metering apparatus. The metering apparatus comprises a metering duct (2) having a closed cross section and further comprises a rotary drive (M). The metering duct (2) is wound in the form of a screw with a vertical longitudinal axis (3). The free-flowing material (1) is fed to the metering duct (2). The metering duct (2) is set by means of the rotary drive (M) in an oscillating rotary motion about its longitudinal axis (3) with individual rotary strokes (9), wherein, with each rotary stroke (9), a partial quantity of the free-flowing material (1) falls out of a lower discharge opening (7) of the metering duct (2).