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Pump housing of two different sinterable materials

  • US 10,514,044 B2
  • Filed: 06/20/2014
  • Issued: 12/24/2019
  • Est. Priority Date: 06/21/2013
  • Status: Active Grant
First Claim
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1. A pump device comprising:

  • a pump housing at least partly surrounding an interior region and having an inlet and an outlet; and

    an impeller located within the interior region of the pump housing;

    wherein the pump housing comprises at least one first subregion and at least two further subregions, a material of the first subregion being different than a material of the further subregions;

    wherein the first subregion comprises a ceramic to an extent of at least 61% by weight, based on the total mass of the first subregion;

    wherein the further subregions comprises a metal content within a range from 40 to 90% by weight, based on the total mass of the further subregions;

    wherein at least one part of the first subregion and at least one part of the further subregions are connected to one another; and

    wherein the at least one first subregion and the at least two further subregions alternate on an exterior circumference of the pump housing.

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