Purge-free miniature rotary pump

Purge-free miniature rotary pump

  • CN 101,873,870 A
  • Filed: 10/27/2008
  • Published: 10/27/2010
  • Est. Priority Date: 11/01/2007
  • Status: Active Application
First Claim
Patent Images

1. The heart week blood pump, comprising:

  • Tubular shell;

    Driver element comprises rotor and stator, coaxial arrangement in housing to produce the main flow channel of longitudinal extension;

    Impeller is arranged in an end of driver element and connects rotor;

    The pump ring has axial entrance, is positioned at housing one end and around at least a portion of impeller;

    Sleeve pipe, from housing an end of close impeller extend;

    AndThe outlet of transverse branch, an end that is positioned to deviate from housing impeller is adjacent;

    Wherein driver element comprises the secondary flow passage that is formed between rotor and the stator.

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