Portion capsule having an identifier
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Solution Overview
Problem
Existing portion capsules for coffee machines are not specifically designed for particular machines, leading to potential safety issues and damage when used in incompatible machines.
Innovation Solution
A portion capsule with an identifier that allows individualization, preventing insertion into incompatible coffee machines by using optical, mechanical, or electrical means to match with the machine's specifications, ensuring only compatible capsules are used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If portion capsules are made universally compatible with different coffee machines, then ease of operation is improved, but safety and machine damage risks worsen
Solution Approach 1:
The patent implements an identifier on the portion capsule and a detection system in the coffee machine that checks compatibility before the brewing operation commences. This preliminary identification and verification action prevents incompatible capsules from being processed, thereby maintaining safety without compromising user convenience.
2Reliability
If an identifier system is added to portion capsules, then reliability and safety are improved, but device complexity worsens
Solution Approach 1:
The identification system is segmented into two independent components: a simple identifier element attached to or integrated into the portion capsule, and a detection system integrated into the coffee machine. This segmentation allows the safety function to be added without requiring complete system redesign, thereby limiting the increase in overall complexity.
Solution Approach 2:
The identifier is placed locally on specific portions of the capsule (such as the rim or base), and the detection system is positioned at a specific location in the media chute where capsules are inserted. This localized approach concentrates the complexity only where needed for identification, rather than distributing it throughout the entire system.
3Reliability
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 features such as gearwheels with specific tooth configurations on the capsule that must match corresponding features in the media chute. This asymmetric design creates a mechanical lock-and-key system where only compatible capsules with matching asymmetric features can be properly inserted, providing reliable compatibility control through simple geometric constraints rather than complex active mechanisms.
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 damage and safety issues by ensuring only compatible capsules are used, enhancing the reliability and safety of the coffee machine operation.
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.