Blood pump with contactless impeller

Details Blood pump with contactless impeller Blood pump with contactless impeller

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/04 (2006.01)

Patent

CA 2567227

The invention relates to a pump and to a method for operating said pump, which permit a cost-effective, contactless, wear-free and thus long-term mounting of an impeller. To achieve these properties, the invention provides a combination of a permanent magnet bearing and a fluidic bearing. The mounting is thus dependent on purely passive elements without the use of actively controlled and/or regulated elements. The invention also relates to the provision of a sensor for detecting the axial displacement of the impeller.

La présente invention concerne une pompe et un procédé pour faire fonctionner une pompe, qui permettent le montage économique d'une roue à ailettes, sans frottement et sans usure, et ainsi à très long terme. A cet effet, l'invention fait intervenir une combinaison d'un support à aimant permanent et d'un support à mécanique fluidique. Le montage de la roue repose sur des éléments purement passifs qui ne font pas intervenir l'utilisation d'éléments à commande active et/ou réglage actif. Un autre aspect de l'invention concerne la présente d'un capteur qui sert à détecter un déplacement axial de la roue à ailettes.

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