Pumpeneinrichtung sowie Verfahren zum Betrieb einer Pumpe für Flüssigkeiten

Pumpeneinrichtung sowie Verfahren zum Betrieb einer Pumpe für Flüssigkeiten

Methods for operating a liquid pump having a rotor are provided for conveying liquids. The viscosity of the conveyed liquid, such as blood, may be determined while taking into account measured values of operating parameters of the pump. The pump may be operated in a predetermined region of a family...

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Hauptverfasser: Wisniewski, Adrian, Rodemerk, Aaron
Format: Patent
Sprache:ger
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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
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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creator Wisniewski, Adrian
Rodemerk, Aaron
description Methods for operating a liquid pump having a rotor are provided for conveying liquids. The viscosity of the conveyed liquid, such as blood, may be determined while taking into account measured values of operating parameters of the pump. The pump may be operated in a predetermined region of a family of characteristic curves. The family of characteristic curves may link at least two operating parameters of the pump to each other, and, in the predetermined region, at least three parameters of the pump may be sensed and taken into account in order to determine the viscosity. Because of the operation in a predetermined region of a family of characteristic curves, the viscosity of the conveyed liquid can be determined in addition to the volumetric flow rate through the pump and the pressure difference across the pump when an appropriate selection is made from a sufficient number of sensed operating parameters.
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subjects 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
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
title Pumpeneinrichtung sowie Verfahren zum Betrieb einer Pumpe für Flüssigkeiten
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