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Liquid container

A liquid container and liquid containing technology, applied in printing and other directions, can solve problems such as change, false detection, residual vibration, etc.

Inactive Publication Date: 2007-06-06
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Once the air bubbles suspended in the ink liquid adhere to the surface of the sensor of the ink remaining detection mechanism, the attached air bubbles will cause a change in the residual vibration, which may erroneously detect that the liquid level of the ink has dropped, and the ink level cannot be detected correctly. with or without
[0006] That is, although the above-mentioned conventional air-opening ink cartridge can detect the state of the liquid in the liquid container (including: the presence or absence of liquid in the liquid container, the liquid amount, the liquid water level, the liquid type, and the liquid component) by utilizing the vibration phenomenon, However, no countermeasures are given for false detections caused by air bubbles adhering to the surface of the sensor during cartridge use
As a result, erroneous detection of ink remaining due to air bubbles adhering to the surface of the sensor may occur

Method used

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  • Liquid container
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Examples

Experimental program
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Embodiment Construction

[0052] Next, a liquid container according to one embodiment of the present invention will be described in detail with reference to the drawings.

[0053] 1 is an external perspective view of a liquid container according to an embodiment of the present invention, FIG. 2 is an exploded perspective view of the liquid container shown in FIG. 1 , FIG. 3 is an enlarged perspective view of the main part of FIG. 2 , and FIG. An enlarged cross-sectional view of the main part of the liquid guide passage, Fig. 5 is a cross-sectional perspective view along the line V-V in Fig. 4, Figs. 6A and 6B show the abnormal deformation in which the center of the bubble deviates from the center of the narrow flow channel, and the effect of symmetrical deformation Illustrating.

[0054] As shown in FIG. 1, the ink cartridge 1 according to the present embodiment is a liquid container detachable with respect to a cartridge mounting portion on a carriage in an inkjet printer not shown in the figure. The...

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PUM

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Abstract

Provided is a nice liquid container which can prevent the error inspection of the liquid remains because the air bubble flows into a liquid detecting unit of the liquid guide path. An ink container, in the main body of the container detachably mounted on an ink jet printer, includes: an ink containing portion; an ink supply portion; an ink guide path; an air communicating opening; and an ink terminal sensor to detect that the liquid of the ink containing portion is exhausted by detecting an inflow of the air into the ink guide path. A dam portion is provided in the ink guide path such that its upper end is disposed above in a vertical direction a circumferential upper portion of a ink inflow opening causing the liquid to flow into the ink detecting unit. The ink quantity of ink, which can keep the bubble passing the dam portion on the position above the upper end, is filled in the ink guide path.

Description

technical field [0001] The present invention relates to, for example, an atmosphere-opening liquid container suitable for use as an ink cartridge detachable from an inkjet printer, and particularly relates to a liquid container having a liquid detection part for preventing errors caused by air bubbles adhering to the liquid detection part. The detection improvement technology, wherein the liquid detection part is used to detect the consumption state of the liquid in the liquid container by detecting the change of the acoustic resistance. Background technique [0002] As the ink cartridge (liquid container) that can be attached and detached to the ink jet printer, for example, various air-opening ink cartridges can be exemplified. ); an ink supply part (liquid supply part) connected to the print head (liquid ejection part) on the side of the printer; an ink guide passage (liquid guide passage) that guides the ink stored in the ink containing part to the ink supply part; And ...

Claims

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Application Information

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IPC IPC(8): B41J2/175
Inventor 胜村隆义
Owner SEIKO EPSON CORP