Portion capsule having an identifier
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Solution Overview
Problem
Existing portion capsules for coffee machines are not specifically designed for certain machines, leading to potential safety issues and damage when used inappropriately.
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 ensure compatibility, and incorporating grooves for stability and efficient extraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an identifier system is added to the capsule, then capsule compatibility and safety are improved, but device complexity is worsened
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.
Solution Approach 2:
The patent replaces potential mechanical identification systems with optical detection methods. By using surface areas with different optical properties that can be detected by sensors, the system achieves capsule identification and compatibility verification without complex mechanical structures.
2Reliability
If detection system is added to verify identifier, then safety and compatibility control are improved, but manufacturing cost and system complexity are worsened
Solution Approach 1:
The patent implements a non-mechanical detection approach using optical sensors to read identifiers on capsules. This substitution of mechanical verification systems with optical detection reduces system complexity while maintaining reliability in compatibility verification.
Solution Approach 2:
The capsule itself carries the identification information on its surface, making the identification system self-contained in the capsule rather than requiring external verification infrastructure. The detection system simply reads pre-encoded information, reducing overall system complexity.
3Reliability
If mechanical means are added to media chute to prevent incorrect capsule insertion, then compatibility control is improved, but device complexity and difficulty of repair are worsened
Solution Approach 1:
The patent replaces mechanical prevention mechanisms in the media chute with optical detection and control systems. Instead of complex mechanical interlocks or gearwheels, the system uses optical sensors to detect capsule identifiers and controls water pump activation accordingly, significantly improving ease of repair.
Solution Approach 2:
The patent replaces mechanical prevention mechanisms in the media chute with optical detection and control systems. Instead of complex mechanical interlocks or gearwheels, the system uses optical sensors to detect capsule identifiers and controls water pump activation accordingly, significantly improving ease of repair.
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
Ensures safe operation by ensuring only compatible capsules are used, enhancing the stability and efficiency of the extraction process while preventing damage to the coffee machine.
Implementation Method 1
the identifier is composed of surface areas having different optical properties, for example reflection
Data Source
AI summary
A portion capsule for producing a beverage includes a base element having a cavity in which a beverage raw material is provided and which is closed by a membrane fastened to the base element.