Single-Piece Ink Conditioner for Viscosity and Pressure Stability
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Solution Overview
Problem
Existing inkjet printers face challenges in controlling ink viscosity, flow rate, and pressure fluctuations, which can cause inkjet printer errors and disturbances such as sealing leakage and clogging due to material incompatibilities and complex assembly processes.
Innovation Solution
A single-piece ink conditioner for an inkjet printer comprising a single-piece ink conditioner with a heat transfer element, a heat transfer element, and a pressure sensor, which are made from the same material and manufactured by rapid prototyping, specifically 3D printing, to control ink viscosity and pressure, and prevent material incompatibilities and assembly errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional multi-part ink conditioners are assembled from different materials, then functional requirements (damping, heating, sealing) can be met, but sealing leakage and clogging occur due to material incompatibility
Solution Approach 1:
The patent combines multiple separate conditioner components (damping element, heating element, sealing elements, flow control elements) into a single integrated ink conditioner body. This merging eliminates the interfaces between different materials that caused sealing leakage and clogging in conventional multi-part designs, while maintaining all necessary functions through monolithic construction from ink-compatible material
Solution Approach 2:
The patent employs a single material throughout the entire ink conditioner structure that is specifically compatible with ink. This homogeneous material construction eliminates the material incompatibility issues that arise at interfaces between different materials in conventional conditioners, preventing both sealing leakage and ink deposit formation
2Ease of manufacture
If multiple materials and assembly steps are used in conventional conditioners, then functional requirements can be met, but assembly errors and manufacturing complexity increase
Solution Approach 1:
The patent integrates multiple functional elements into a single monolithic structure that can be manufactured as one piece using additive manufacturing. This eliminates the need for complex assembly operations involving multiple parts, thereby removing assembly errors while maintaining manufacturing precision through digital fabrication
3Reliability
If conventional conditioners use multiple separate components, then specific functions can be optimized, but the conditioner is prone to errors and disturbances
Solution Approach 1:
The patent merges damping, heating, sealing, and flow control functions into a single integrated conditioner body, eliminating the multiple separate components that caused reliability issues. The monolithic structure removes interfaces where errors and disturbances could occur, while maintaining all necessary functions through carefully designed internal geometries
Solution Approach 2:
The single-piece ink conditioner structure performs multiple functions simultaneously: damping pressure fluctuations, heating ink to control viscosity, sealing ink flow paths, and controlling ink distribution. This multi-functional integration in one component reduces the overall system complexity while improving reliability by eliminating inter-component failure points
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The single-piece design reduces assembly complexity and material incompatibilities, enhancing stability and accuracy in ink control, reducing errors and improving print quality.
Implementation Method 1
the ink conditioner further comprising a heat transfer element
Implementation Method 2
means for damping vibrations in the ink and/or evening out variations in the ink flow velocity and/or ink pressure
Implementation Method 3
ink damping cavity
Data Source
AI summary
The invention relates an ink conditioner (14) for an inkjet printer, comprising a main body (18) with an ink damping cavity (24), the ink conditioner (14) further comprising a heat transfer element (26), at least one ink inlet (28) and at least one ink outlet (34), wherein the main body (18), the heat transfer element (26), the at least one ink inlet (28) and the at least one ink outlet (34) consist of the same material and form a single piece.