Electrodynamic drive for metering valve, comprises annular gap arranged between magnetic field source and housing, where moving coil with push rod is axially adjusted in gap, and measuring coil is provided within inference covering

The drive (1) comprises a stationary magnetic field source fitted in a pan shaped housing (5). An annular gap (8) is arranged between the magnetic field source and the housing. A moving coil (9) with a push rod is axially adjusted in the annular gap of a magnetic ring (18). The moving coil turns awa...

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Bibliographische Detailangaben
Hauptverfasser:	HOFFMANN, KARSTEN, LORENZEN, RALF
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ACTUATING-FLOATS BASIC ELECTRIC ELEMENTS BLASTING COCKS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DEVICES FOR VENTING OR AERATING DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINEERING ELEMENTS AND UNITS FIRE-FIGHTING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION HEATING HUMAN NECESSITIES INDUCTANCES LIFE-SAVING LIGHTING MAGNETS MECHANICAL ENGINEERING SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES TAPS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THERMAL INSULATION IN GENERAL TRANSFORMERS VALVES WEAPONS
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Beschreibung
Zusammenfassung:	The drive (1) comprises a stationary magnetic field source fitted in a pan shaped housing (5). An annular gap (8) is arranged between the magnetic field source and the housing. A moving coil (9) with a push rod is axially adjusted in the annular gap of a magnetic ring (18). The moving coil turns away at an inference covering (15), and a measuring coil (16) is provided within the inference covering. The other magnetic field source is provided in the area of measuring coil, and another magnetic ring is formed over the inference covering. Es soll ein elektrodynamischer Antrieb in kompakter Bauweise angegeben werden, bei dem das Geschwindigkeits-Messsystem weitgehend vom Antrieb entkoppelt ist. Zur Lösung der Aufgabe ist ein Geschwindigkeits-Messsystem unmittelbar oberhalb eines Tauchspulensystems vorgesehen, wobei das Geschwindigkeits-Messsystem eine Rückschlusshülse (15) zur Ausbildung eines eigenen magnetischen Kreises (221) aufweist.