Brewing Module Spring Closure for Capsule Recognition
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Solution Overview
Problem
Existing brewing modules for extraction appliances face challenges in detecting capsule characteristics before the brewing process, particularly in designs that require manual actuation and lack motorized drives, which complicates the separation of capsule recognition and brewing positions.
Innovation Solution
A brewing module with a manual operating element that stores energy through mechanical resistance, allowing for the movement of brewing module parts to form a brewing chamber, enabling capsule recognition and brewing without a motorized drive, using a spring-based energy store and damping mechanism for controlled movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a motorized drive is used to move brewing module parts between recognition and brewing positions, then the separation between capsule recognition position and brewing position is achieved, but the cost increases and the device becomes more complex
Solution Approach 1:
The patent replaces the motorized drive system with a spring-based mechanical energy storage system. The spring is compressed during the brewing cycle and automatically propels the brewing module parts to move between positions, eliminating the need for motors while maintaining reliable position transitions and capsule recognition.
Solution Approach 2:
The brewing module uses its own operational cycles to charge the spring during brewing, which then automatically performs the position transitions needed for capsule recognition. The system serves itself by using brewing energy to power the recognition phase without external motorized intervention.
2Productivity
If a motorized drive is used to move brewing module parts, then automatic capsule ejection and position changes are achieved, but the cost increases
Solution Approach 1:
The patent substitutes expensive motorized drives with a cost-effective spring mechanism that provides automatic capsule handling. The spring is compressed during brewing and releases energy to eject the capsule and reposition parts, achieving automatic productivity at lower manufacturing cost.
Solution Approach 2:
The system recovers energy during the brewing process by compressing the spring, then discards the spent capsule while utilizing the stored spring energy to perform the ejection and repositioning actions, eliminating the need for separate motorized systems.
3Ease of manufacture
If manual actuation is used for brewing module closure, then haptic feedback and cost reduction are achieved, but the separation between recognition and brewing positions becomes more difficult
Solution Approach 1:
The spring is pre-compressed during the manual closure action, storing energy that will later automatically perform the position separation needed for reliable capsule recognition. The manual action prepares the system in advance, and the stored energy ensures reliable position separation occurs automatically.
Solution Approach 2:
The manually actuated system serves itself by using the closure energy to automatically separate positions after brewing, combining the cost and haptic benefits of manual actuation with the reliability of automatic position separation.
4Ease of operation
If manual operating element is used, then haptic feedback is provided and costs are reduced, but automated movement of brewing module parts is lost
Solution Approach 1:
The manual operating element compresses the spring in advance during brewing, storing energy that automatically performs the part movement and capsule ejection afterward. The user gets haptic feedback during the meaningful brewing compression phase, while the automated movement occurs during the reset phase.
Solution Approach 2:
The system alternates between manual compression phases (providing haptic feedback) and automatic release phases (performing automated movement). This periodic cycle combines the benefits of both manual and automated operation at different stages of the brewing process.
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
Enables efficient detection of capsule characteristics and manual actuation for brewing, providing a cost-effective and haptic feedback-capable solution for brewing module operation, ensuring proper capsule handling and brewing chamber closure.
Implementation Method 1
an energy store (7), in particular a spring, which is configured to intermediately store energy that is coupled into the brewing module by way of moving the operating element from the first into the second position and to again convert it, activated by a release, into a movement from the first brewing module part position into the second brewing module part position
Implementation Method 2
using a spring-based energy store and damping mechanism for controlled movement
Data Source
AI summary
A brewing module for preparing a brewed drink from a portion capsule includes a first brewing module part and a second brewing module part which is movable relative to this between a first brewing module part position and a second brewing module part position. An operating element is further present, the operating element being able to be brought manually from a first into a second operating element position. The brewing module has an energy store which is configured, by way of moving the operating element from the first into the second position, to intermediately store energy which is coupled into the brewing module and, activated by a release, to convert it again into a movement from the first brewing module part position into the second brewing module part position.