Capsule Brewing Chamber Pivot Motion to Prevent Insertion Jams
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Solution Overview
Problem
Brewing devices for portion capsules often cause the capsule to get caught on perforation means during insertion, leading to incorrect positioning and potential damage to the device.
Innovation Solution
The first brewing chamber element is inclined in the loading position and aligned with the second brewing chamber element only shortly before reaching the extraction position, reducing the risk of the capsule getting stuck, and featuring a capsule stop and ejector mechanism for safe and reliable handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the first brewing chamber element is aligned vertically at the beginning of movement from loading position to extraction position, then the brewing chamber can be closed quickly, but the portion capsule gets wedged between the feed opening and the first brewing chamber element
Solution Approach 1:
The first brewing chamber element is designed to pivot dynamically during its movement from the loading position to the extraction position. It starts in an inclined position to allow safe capsule insertion, then pivots to a vertical alignment shortly before reaching the extraction position to enable quick closing. This dynamic adjustment resolves the contradiction between insertion safety and closing speed.
2Reliability
If the first brewing chamber element is inclined in the loading position, then the portion capsule can be inserted safely without getting stuck, but the brewing chamber closure is delayed
Solution Approach 1:
The first brewing chamber element is preliminarily positioned in an inclined orientation during the loading phase to facilitate safe capsule insertion. This preliminary action prevents capsule jamming before the closing operation begins, resolving the contradiction between insertion safety and closure time by preparing the system in advance.
Solution Approach 2:
The brewing chamber element transitions dynamically from an inclined position during loading to a vertical position during closing. This dynamic movement allows the system to optimize for insertion safety during loading, then quickly transition to optimize for rapid closure, minimizing overall time loss.
3Productivity
If the first brewing chamber element is moved directly into the extraction position without inclination, then the extraction process is faster, but the capsule may be damaged during insertion
Solution Approach 1:
The first brewing chamber element employs a two-stage movement: initially inclined to prevent capsule damage during insertion, then pivoting to vertical alignment shortly before extraction. This dynamic sequence protects the capsule during loading while enabling fast extraction, resolving the contradiction between extraction speed and capsule safety.
Data Source
Figure 1a~1c
Figure 1d~1f
Figure 1g~1i
AI summary
The invention relates to a brewing device for extracting a portion capsule, comprising a first brewing chamber element and a second brewing chamber element, wherein the first brewing chamber element can move between a loading position, in which the first and the second brewing chamber elements are spaced apart from one another, and an extraction position, in which the first and the second brewing chamber elements are brought closer together in order to form a substantially closed brewing chamber, and wherein the brewing device is designed such that during the movement between the loading position and the extraction position the first brewing chamber element carries out a linear displacement along an axial direction when the first and second brewing chamber elements are spaced apart from one another, and additionally carries out a pivoting movement about a pivot axis that is perpendicular to the axial direction when the first and second brewing chamber elements are brought together at least to some extent.