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Air distribution system for a pneumatic conveying system

  • US 10,421,623 B2
  • Filed: 01/16/2018
  • Issued: 09/24/2019
  • Est. Priority Date: 02/29/2016
  • Status: Active Grant
First Claim
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1. A plenum configured to distribute a flow of air from an air source, comprising:

  • a body having an inlet positioned at a first end of the body and configured to receive the flow of air from the air source, and a face element positioned on a second end of the body, opposite the first end;

    a plurality of ports extending from the face element and configured to direct the flow of air out of the plenum; and

    a flow restrictor configured to be disposed within one port of the plurality of ports, wherein the flow restrictor includes a lip configured to engage a distal end of the one port to block movement of the flow restrictor into the body while the flow restrictor is disposed within the one port, and the flow restrictor includes an internal passage having a minimum cross-sectional area less than a minimum internal cross-sectional area of the one port.

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