Printer Pressure Device With Contactless Data Exchange
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Solution Overview
Problem
Printing devices face challenges with complex and costly pressure modules in inkjet systems, leading to manufacturing and operational inefficiencies due to oxidation, contamination, and precise mechanical alignment issues, which result in communication failures and increased downtime.
Innovation Solution
A pressure device with a base body having passages connecting channels on both sides, allowing for a cost-effective and service-friendly setup with a predefined line system that reduces errors and eliminates the need for elastic hoses, featuring a reversible cover and flexible sealing elements to maintain constant pressure and improve print quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electrical contacts are used for data exchange between reservoir and printing device, then data communication is enabled, but contact surfaces are vulnerable to oxidation and contamination leading to communication failures
Solution Approach 1:
The patent replaces the mechanical electrical contact system with a contactless communication system using electromagnetic fields. The reservoir contains a data module with transmitting/receiving units that communicate wirelessly with the printing device, eliminating physical contact surfaces that are susceptible to oxidation and contamination.
2Reliability
If precise mechanical alignment is required for contact surfaces, then electrical contacts can be established, but manufacturing complexity and cost increase
Solution Approach 1:
The contactless communication system eliminates the need for precise mechanical alignment of contact surfaces. The electromagnetic field-based data transmission does not require physical contact, thereby removing the complexity of designing and manufacturing precision alignment features in the receiving device.
3Reliability
If contact surfaces are pressed together with sufficient force, then electrical contacts are established, but wear and tear increase over time
Solution Approach 1:
By replacing the mechanical contact system with a contactless electromagnetic communication system, the patent eliminates wear and tear on contact surfaces. The transmitting and receiving units communicate through electromagnetic fields without physical contact, thereby extending the service life of the data communication system.
4Adaptability or versatility
If aggressive inks and solvents are used for industrial applications, then printing versatility is improved, but cleaning effort for contaminated contacts increases
Solution Approach 1:
The contactless communication system eliminates physical contact surfaces that would be contaminated by aggressive industrial inks and solvents. Since there are no contact surfaces to clean, the maintenance effort is significantly reduced while maintaining full versatility for industrial printing applications.
Data Source
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AI summary
The invention relates to a printing device (21), which comprises a conduit system (27) and a main part (32) that has a first (33) and a second(44) main face, the main part having at least two passages (37) which connect each channel to the second main face. An ink reservoir (01) and/or solvent reservoir and/or ink jet printing head and/or coupling element on the second main face (44) of the one main part is connected to one of the passages (37) of the channel. The first main face (33) of the main part has at least two channels which define at least one conduit of the conduit system limited on the one side by the main part (33) and on the other side by a cover (36) and/or a sealing element (39). At least one further component of the conduit system is arranged on the second main face (44) of the main part, said further component being arranged such that it is at the same time connected to at least two passages (37) that are associated with, in each case, different channels of the at least two channels.