Coffee machine screen and coffee machine

  • US 10,806,293 B2
  • Filed: 11/27/2017
  • Issued: 10/20/2020
  • Est. Priority Date: 09/29/2016
  • Status: Active Grant
First Claim
Patent Images

1. A coffee machine screen, comprising:

  • a first screen body arranged in a cylindrical shape extending upwardly and downwardly, wherein the first screen body is configured to provide a first screen of the coffee machine screen; and

    a second screen body arranged annularly, an inner ring edge of the second screen body being connected to a lower portion of the first screen body; and

    , wherein at least a portion of the second screen body is located outside of a peripheral of the first screen body to form a dish-edge like second screen in addition to the first screen provided by the first screen body, and the second screen body extends obliquely downwardly in a radially outward direction,wherein the first screen body comprises multiple first filter pores, the second screen body comprises multiple second filter pores, both the first screen body and the second screen body are configured to filter coffee particles;

    wherein diameter of the multiple second filter pores is larger than diameter of the multiple first filter pores;

    wherein the multiple second filter pores comprises a straight pore section communicating with an upper surface of the second screen body and a cone pore section communicating with a lower surface of the second screen body, the cone pore section being gradually enlarged towards a direction away from the straight pore section;

    wherein diameter of the straight pore section of the multiple second filter pores is larger than diameter of the multiple first filter pores;

    wherein a diameter of the straight pore section of the multiple second filter pores is in a range of 0.2 mm to 0.8 mm.

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