Beverage Capsule Blade Penetration for Uniform Extraction Flow
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing beverage extraction systems using exchangeable capsules face challenges in optimizing brewing conditions, leading to uneven fluid flow and unpredictable beverage quality due to preferential flow paths and variable flow parameters affected by capsule shape.
Innovation Solution
The method and system involve choosing a blade length such that the shortest axial distance between the capsule wall and the blade is less than 70% of the overall capsule length, ensuring deep penetration and preventing preferential flow paths, which intensively compacts the extractable product for improved flow conditions and beverage quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the blade length is increased to deeply penetrate the capsule, then the fluid flow uniformity and beverage quality are improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent applies parameter changes by optimizing the blade length to a specific range (0.3-0.7 times the capsule height) to achieve deep penetration and uniform fluid flow distribution throughout the capsule, resolving the contradiction between manufacturing precision and device complexity
Solution Approach 2:
The blade performs preliminary action by penetrating the capsule before fluid supply, creating predetermined flow paths and compacting the extractable product in advance to ensure uniform fluid distribution during the brewing process
2Reliability
If the blade deeply penetrates the capsule, then the extractable product is more intensively compacted and flow conditions are optimized, but the capsule structure may be damaged or compromised
Solution Approach 1:
The patent optimizes the blade penetration depth parameter to a specific range (0.3-0.7 times capsule height) that achieves sufficient compaction and flow uniformity while maintaining capsule structural integrity, preventing both under-penetration and over-penetration damage
3Manufacturing precision
If the blade length is optimized for deep penetration, then the beverage quality and repeatability are enhanced, but the ease of manufacture and installation become more difficult
Solution Approach 1:
The patent establishes a practical parameter range (0.3-0.7 times capsule height) for blade length that achieves high beverage quality consistency while remaining manufacturable, avoiding overly precise or extreme dimensions that would complicate production
Solution Approach 2:
The blade length is designed to partially penetrate the capsule (not fully through), achieving sufficient compaction and flow uniformity with a moderate penetration depth that is easier to manufacture and install while still providing the benefits of deep penetration
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
This approach ensures optimal fluid flow and compaction within the capsule, enhancing the quality and repeatability of the beverage and stabilizing machine operation by eliminating unforeseeable flow variations, resulting in a consistently better-tasting and denser beverage.
Implementation Method 1
piercing the second wall (22) of the capsule (20) by means of at least one blade (8)
Implementation Method 2
supplying, via the pierced second wall (22) of the capsule (20), an amount of fluid, such as water, under a pressure to the inner space (19) of the capsule (20)
Data Source
Figure 1
Figure 2
Figure 3
AI summary
In a method for preparing a beverage there is provided an exchangeable capsule (20) that comprises a circumferential first wall (21), a second wall (22) and a third wall (23) which together enclose an inner space (19) comprising an extractable product. The second wall of the capsule is pierced by means of at least one blade (8). Via the pierced second wall there is supplied an amount of fluid under a pressure to the inner space of the capsule. The prepared beverage is drained through the third wall of the capsule. A length of the at least one blade is chosen such that during the said fluid supplying the shortest possible axial distance (D2) between the third wall and the at least one blade in the inner space is less than 80% of the overall axial capsule length (L2).