Ink tank for regulating ink pressure
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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Abstract
An ink tank for an ink delivery system includes: 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; and a diffusion tube interconnecting the first and second ink chambers. The first ink chamber has a smaller volume than the second ink chamber and the diffusion tube is configured to minimize diffusion of air from the second chamber to the first chamber.
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Citations
17 Claims
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1. An ink delivery system for an inkjet printer comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification