Ink Tank Guide Wall for Viewing and Contamination Control
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Solution Overview
Problem
In existing ink tanks, the ink injection direction away from the viewing portion makes it difficult for users to immediately observe the rise in ink level during filling, potentially leading to misunderstandings about the injection status.
Innovation Solution
The ink tank design includes an ink guide wall that directs ink from the inlet portion towards a viewing portion, allowing users to easily observe the ink level and preventing ink contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of stationary object
If ink is guided away from the viewing portion, then ink storage capacity is improved, but user ability to observe ink level is worsened
Solution Approach 1:
The ink tank is divided into two functional zones by the partition wall: a first space for ink storage and injection, and a second space for viewing and air discharge. This segmentation allows ink to be directed away from the viewing area during filling while still enabling user observation of ink levels through the dedicated viewing window in the second space.
Solution Approach 2:
The partition wall acts as an intermediary structure that separates the ink flow path from the viewing area. It includes a viewing window that mediates between the internal ink storage space and the external user observation, allowing visual monitoring without interfering with ink flow dynamics.
2Volume of stationary object
If ink is guided away from the viewing portion, then ink storage efficiency is improved, but risk of ink contamination is worsened
Solution Approach 1:
The partition wall creates separate zones: the first space handles ink injection and storage, while the second space serves as a controlled viewing and air discharge area. This segmentation prevents ink from directly contacting the viewing window and external environment, reducing contamination risk while maintaining storage efficiency.
Solution Approach 2:
The partition wall with its viewing window serves as a protective intermediary barrier. It allows optical observation of ink levels while physically separating the ink reservoir from potential contamination sources, thus protecting the ink from contamination during the filling process.
3Ease of operation
If partition wall is added to guide ink, then ink flow control is improved, but device complexity is worsened
Solution Approach 1:
A single partition wall divides the ink tank into two functional spaces, providing straightforward flow control by directing ink away from the viewing area. This simple segmentation achieves effective ink flow management without requiring complex multi-component structures.
Solution Approach 2:
The partition wall performs multiple functions simultaneously: it guides ink flow direction, creates separate functional zones, provides structural support, and includes an integrated viewing window for user observation. This multi-functionality reduces the need for additional separate components, thereby limiting the increase in device complexity.
Data Source
AI summary
An ink tank that communicates with an ink ejecting head, includes: an ink chamber configured to house ink; an ink inlet portion that communicates with the ink chamber and that receives ink supplied from an ink supply container; and an ink viewing portion that is a portion of a wall that defines the ink chamber and that enables the ink in the ink chamber to be viewed from an outside, the ink chamber having an ink guide wall for guiding the ink from the ink inlet portion toward the ink viewing portion.