Portion Capsule Identifier for Capsule-Machine Compatibility Control
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Solution Overview
Problem
Existing portion capsules are not specifically designed for particular coffee machines, leading to potential safety issues and machine damage when used incorrectly.
Innovation Solution
A portion capsule with an identifier that allows individualization, preventing unsuitable capsules from being inserted into the coffee machine, using optical, mechanical, or electrical means to match the capsule with compatible machines, ensuring safe operation and proper brewing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an identifier system is added to the capsule, then reliability is improved, but device complexity worsens
Solution Approach 1:
The patent applies optical property variations on capsule surfaces (different reflectivity, absorption, or color characteristics) as identifiers. This allows the capsule to carry identification information without adding mechanical complexity, resolving the contradiction between reliability improvement and device complexity increase.
2Reliability
If mechanical means are added to the media chute to prevent incorrect capsule insertion, then reliability is improved, but device complexity worsens
Solution Approach 1:
The patent employs asymmetric mechanical elements (such as gearwheels with specific tooth configurations) in the media chute that correspond to asymmetric identifiers on compatible capsules. This asymmetric matching system prevents incorrect capsules from being inserted while maintaining relatively simple mechanical structures on both sides.
3Adaptability or versatility
If surface areas with different optical properties are used as identifiers, then individualization capability is improved, but manufacturing precision worsens
Solution Approach 1:
The patent uses variations in optical properties (color, reflectivity, absorption) on capsule surfaces as identifiers. These optical characteristics can be applied through conventional printing or coating techniques during normal manufacturing processes, achieving individualization capability without requiring extreme manufacturing precision.
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
Prevents incorrect capsule insertion, ensuring the coffee machine operates safely and efficiently by associating the capsule with compatible groups, thereby enhancing user safety and machine longevity.
Implementation Method 1
the identifier is composed of surface areas having different optical properties, for example reflection
Data Source
AI summary
A beverage system that includes a capsule and a beverage machine. The capsule includes: a base element; a flange that includes a top side and a bottom side; a cover fastened to the top side, the cover is bowed outwardly and includes a region configured to be pierced; a barrier layer to prevent moisture or aroma from escaping out of the capsule; and an identifier on the bottom side of the flange. The machine includes: a sensor/detector; an insertion shaft configured to receive the capsule; a pump controlled to supply water into the capsule only upon detection of the identifier and a determination by the machine that the capsule is suitable for use with the machine; a mandrel to pierce the cover; a groove that is laterally offset from the mandrel; and a seal that is at least partially seated in the groove and configured to bear against the cover.