System for making beverages
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Solution Overview
Problem
Existing beverage-making systems face issues with the recognition of compatible capsules, leading to suboptimal beverage quality, machine damage, and reliability problems due to manufacturing tolerances and interference from powdered food substance granules, particularly in optical recognition methods.
Innovation Solution
A beverage-making system with a recognition element inside the capsule, using a convex reading surface and fluorescent material that emits/reflects light with specific wavelength bands, combined with an optical detection system to ensure reliable capsule identification, reducing false negatives and manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If optical recognition methods are used to identify capsules, then capsule identification can be achieved, but manufacturing tolerances and interference from powdered food substance granules cause false negatives and reduce recognition reliability
Solution Approach 1:
The patent applies local quality by creating a localized recognition zone on the capsule surface that is spatially separated from the powdered food substance. The recognition element is positioned in a specific location (e.g., on the capsule rim or flange) where it will not be contaminated by powder, ensuring that the optical recognition system always reads from a clean, reliable surface regardless of powder distribution variations.
Solution Approach 2:
The patent introduces an intermediary recognition element (such as a reflective marker, colored ring, or optical code) that mediates between the capsule physical structure and the optical detection system. This intermediary provides a consistent, high-contrast optical signal that is independent of powder interference, enabling reliable identification even when powder granules are present in the brewing chamber.
2Ease of manufacture
If compatible capsules are produced at lower costs, then production costs are reduced, but beverage quality deteriorates and machine damage risks increase
Solution Approach 1:
The patent applies universality by designing a recognition system that works with both original and compatible capsules through a common identification mechanism. The brewing unit's optical recognition system can identify compatible capsules using the same principles as original capsules, allowing the system to adapt to different capsule sources while maintaining consistent brewing parameters and quality control.
Solution Approach 2:
The patent implements feedback by using optical recognition to provide information about capsule identity to the brewing unit's control system. Based on this feedback, the system can adjust brewing parameters, select appropriate brewing programs, or alert users to incompatible capsules, ensuring that beverage quality remains consistent regardless of whether original or compatible capsules are used.
3Reliability
If brewing parameters are optimized for specific capsule models, then beverage quality is maximized, but the system cannot accommodate compatible capsules without potential damage or poor performance
Solution Approach 1:
The patent applies dynamics by making the brewing parameters adaptive rather than fixed. The system dynamically selects brewing parameters based on the capsule identity detected by the optical recognition system. When a compatible capsule is identified, the system can choose from multiple parameter sets or allow user customization, enabling the system to adapt to different capsule types while maintaining optimal brewing performance.
Solution Approach 2:
The patent implements parameter changes by allowing the brewing unit to modify operational parameters (water pressure, temperature, flow rate, brewing time) based on the recognized capsule type. The system stores multiple parameter profiles and automatically selects the appropriate profile when a capsule is identified, ensuring optimal brewing conditions for both original and compatible capsules without requiring manual intervention.
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 system provides high recognition reliability for both original and compatible capsules, minimizing false negatives and ensuring consistent beverage quality while maintaining cost-effectiveness and protecting the brewing unit.
Implementation Method 1
the recognition element (11) is made using a material capable of emitting/reflecting light radiations having predetermined characteristics, if it is lit with an incident light radiation having a predetermined band of wavelengths
Data Source
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AI summary
A system for making beverages comprising a brewing unit (2) and a capsule (4) containing a powdered food substance (5), the capsule (4) comprising an outer casing (6) and a recognition element (11) placed inside the outer casing (6), wherein the brewing unit (2) comprises a first piercing unit (17), a lighting device (26) associated with the first piercing unit (17) for lighting the recognition element (11), a detecting device (13) configured to detect a return light radiation from the recognition element (11), wherein the detecting device (13) has an acquiring surface (27) fixed to the first piercing unit (17), and the first piercing unit (17) has a distal portion (35) which more than the acquiring surface (27), and wherein alternatively the distal portion (35) is resting on the recognition element (11) and the acquiring surface (27) is at a distance from the recognition element (11), or the distal portion (35) is partly inserted in the recognition element (11) and the acquiring surface (27) is at a distance from the recognition element (11) or resting on the recognition element (11).