Valve Body and Socket Alignment for Print Substance Transfer
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Solution Overview
Problem
Imaging devices face challenges in efficiently replenishing print substance in their reservoirs while venting air, as existing systems often require complex valve mechanisms that are difficult to actuate, especially in cramped spaces, and may not allow for quick and direct transfer of print substance.
Innovation Solution
The use of valves with separate print substance and air channels, where the valve body and socket are designed to align and rotate, enabling a direct path for print substance transfer and air venting, simplifying the refill process and reducing the need for secondary levers, which can make actuation easier and more efficient.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex valve mechanisms are used to control print substance flow and air venting, then the sealing and flow control reliability is improved, but the device complexity and difficulty of actuation increase
Solution Approach 1:
The patent combines the print substance flow channel and air venting channel into a single integrated valve body structure. The valve member simultaneously controls both channels, eliminating the need for separate valve mechanisms. This merging maintains reliable sealing and flow control while significantly reducing device complexity and ease of operation.
Solution Approach 2:
The single valve member performs multiple functions: it controls both print substance flow and air venting, and can be actuated by a single user action. This multi-functionality resolves the contradiction by consolidating control responsibilities into one component that handles both fluid control tasks reliably.
2Manufacturing precision
If complex valve mechanisms with secondary levers are used, then the flow control precision is improved, but the ease of operation decreases due to difficulty in actuation in cramped spaces
Solution Approach 1:
The patent extracts and eliminates the secondary lever from the valve mechanism. The valve member is directly actuated by a single user action without requiring intermediate mechanical components. This removal of unnecessary parts simplifies actuation for users in cramped spaces while maintaining precise flow control through the well-designed valve seat and channel geometry.
3Productivity
If separate print substance and air channels are used, then the print substance transfer speed is improved, but the device complexity increases
Solution Approach 1:
The patent segments the internal valve body into separate print substance channels and air channels that are spatially distinct but structurally integrated. This segmentation allows simultaneous and rapid transfer of print substance while venting air through dedicated pathways, improving productivity without significantly increasing external device complexity.
Solution Approach 2:
The air channel is nested within the valve body structure alongside the print substance channels. Both channel systems are contained within the same compact valve assembly, allowing rapid parallel operation of both fluid paths while maintaining a compact overall structure that does not substantially increase device complexity.
Data Source
AI summary
In some examples, an apparatus can include a valve body including a valve body print substance channel and a valve body air channel, a valve socket shaped to receive the valve body, where the valve socket includes a valve socket print substance channel and a valve socket air channel, where the valve body is in a closed position such that the valve body print substance channel and the valve socket print substance channel are misaligned, and the valve body air channel and the valve socket air channel are misaligned.