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Fluid pump having at least one impeller blade and a support device

  • US 9,089,634 B2
  • Filed: 09/22/2010
  • Issued: 07/28/2015
  • Est. Priority Date: 09/22/2009
  • Status: Active Grant
First Claim
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1. A fluid pump comprising:

  • at least one impeller blade which is rotatable about an axis of rotation and conveys a fluid in operation; and

    comprising a support device which supports the at least one impeller blade in at least one support region, wherein the support device is changeable between a first state in which the at least one impeller blade is radially compressed and a second state in which the at least one impeller blade is radially expanded; and

    wherein the at least one impeller blade extends at least partly radially inwardly with respect to the axis of rotation from the at least one support region in the radially expanded state of the at least one impeller blade;

    wherein the support device is formed by at least one ring concentrically journalled with respect to the axis of rotation,wherein the at least one ring is designed in meandering form in the peripheral direction.

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