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Ink tank for regulating ink pressure

  • US 10,427,414 B2
  • Filed: 02/12/2018
  • Issued: 10/01/2019
  • Est. Priority Date: 02/24/2017
  • Status: Active Grant
First Claim
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1. An ink delivery system for an inkjet printer comprising:

  • an intermediary ink tank comprising;

    a first ink chamber having an ink inlet port and an ink outlet port;

    a second ink chamber having a gas port open to atmosphere, the first chamber having a smaller volume than the second chamber; and

    a diffusion tube interconnecting the first and second ink chambers;

    an ink supply reservoir connected to the ink inlet port;

    an inkjet printhead having a printhead inlet port connected to the ink outlet port; and

    a control system coordinating with the intermediary ink tank for controlling an ink pressure of ink delivered to the printhead,wherein the intermediary tank is positioned below the printhead.

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