LINEAR DRIVE AND PUMP SYSTEM, IN PARTICULAR AN ARTIFICIAL HEART

The invention relates to an electrical linear drive, in particular for a pump system of an artificial heart, with a movable part and a stationary part, wherein the stationary part is formed by a permanent magnet arrangement and the movable part is formed by a coil arrangement, or vice versa, and whe...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHMITZ-RODE, THOMAS, KWANT, PAUL BARTELD, BUTSCHEN, THOMAS, LESSMANN, MARC, FINOCCHIARO, THOMAS, HAMEYER, KAY, STEINSEIFER, ULRICH
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CONVERSION OR DISTRIBUTION OF ELECTRIC POWER CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROMTHE BODY DYNAMO-ELECTRIC MACHINES ELECTRICITY ENGINE PLANTS IN GENERAL GENERATION HEATING HUMAN NECESSITIES HYGIENE LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING MEDICAL OR VETERINARY SCIENCE POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The invention relates to an electrical linear drive, in particular for a pump system of an artificial heart, with a movable part and a stationary part, wherein the stationary part is formed by a permanent magnet arrangement and the movable part is formed by a coil arrangement, or vice versa, and wherein the coil arrangement and the permanent magnet arrangement can be moved to and fro relative to each other in an axial direction by means of current passed through the coil arrangement. The invention further relates to an electrical linear drive of this kind in which the permanent magnet arrangement is designed as a stack of frame-shaped, in particular ring-shaped magnets, which are magnetized alternately radially and axially in the axial direction, such that the magnetic field is strengthened on one side of the frame.