Patent ID: 6719791
Filing Date: 2004-04-13
Classification: A61M,F16J,Y10S

Abstract:
Device for the axial delivery of fluidal mediums consisting of a tubular hollow body (1), in which a motor (2), at least one impeller (9) with blading which can be rotated and at least one motor mounting as well as fluid stator means are arranged,wherein the motor mounting is formed as a stator (14), wherein the stator (14) is mounted on an inner pipe wall (8) of the tubular hollow body(1), wherein the impeller (9) is connected axially force-fittingly and/or form-fittingly to the motor (2), wherein a hub gap (13) resulting between a motor-side front face of the impeller (9) and a impeller-side front face of the motor (2) is provided with at least one annular seal (5), wherein the seal (5) consists of a magnet arrangement (30) and a magnetic liquid (31).