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Apparatus for generating and conducting a fluid flow, and method of monitoring said apparatus

  • US 7,328,626 B2
  • Filed: 07/30/2004
  • Issued: 02/12/2008
  • Est. Priority Date: 06/28/2000
  • Status: Expired due to Term
First Claim
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1. The apparatus for generating a fluid flow, said apparatus comprising:

  • a displacement pumpwith at least one flow vessel of deformable lumen, which serves to conduct a fluid,with a pump drive for producing displacement motions of the flow vessel which deform the lumen and cause the fluid flow, andwith a support means for holding the flow vessel, whereinthe flow vessel is compressed by the pump drive in operation temporarily and in sections and forced against the support means such that the support means is elastically strained; and

    a measuring arrangement responsive to the displacement motions performed by the flow vessel,with a strain sensor sensing a strain of the support means and providing a sensor signal representative of the displacement motions performed by the flow vessel, andwith evaluation electronics for the sensor signal.

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