Pressure-Triggered Beverage Capsule Discharge for Cleaner Brewing
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Solution Overview
Problem
Existing beverage capsule systems for brewing tea are complex and expensive to produce, prone to taste cross-contamination, and hygiene issues due to residual tea residue, which affects the quality and aroma of brewed beverages.
Innovation Solution
A capsule design with a discharge wall that restricts liquid flow until a predetermined pressure is reached, using flexible materials or valves to ensure thorough ingredient infusion and prevent cross-contamination, featuring a vertically oriented discharge mechanism for efficient brewing and easy handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a capsule design with overflow wall and filter means is used, then beverage quality and reduced turbidity are improved, but capsule production complexity and cost increase
Solution Approach 1:
The patent combines the overflow wall and filter means into a single integrated discharge wall structure. The discharge wall serves dual functions: it acts as an overflow mechanism to control liquid flow and simultaneously functions as a filter to reduce turbidity. This merging eliminates the need for separate assembly steps, simplifying capsule production while maintaining beverage quality.
Solution Approach 2:
The discharge wall is designed to perform multiple functions within a single component. It provides overflow control to maintain proper liquid levels during brewing, filters the brewed liquid to reduce turbidity, and structurally closes the enclosure. This multi-functionality reduces the number of parts needed and simplifies the manufacturing process.
2Ease of operation
If traditional capsule brewing is used, then beverage preparation is simple, but taste cross-contamination and hygiene issues occur
Solution Approach 1:
The patent extracts the brewed liquid discharge path entirely within the capsule structure. The discharge wall with its integrated filter and overflow mechanism contains the brewing process within the capsule, preventing liquid from contacting external machine surfaces. This extraction eliminates the source of taste cross-contamination while maintaining simple operation.
Solution Approach 2:
The capsule is designed as a disposable single-use item with an integrated discharge wall. After one brewing cycle, the entire capsule including the discharge wall is discarded, eliminating the need for cleaning and preventing taste cross-contamination. This approach maintains ease of operation while solving hygiene issues.
3Manufacturing precision
If discharge wall restricts liquid flow until predetermined pressure is reached, then thorough ingredient infusion is achieved, but brewing time increases
Solution Approach 1:
The discharge wall is designed with dynamic flow characteristics that adapt to brewing conditions. It restricts liquid flow initially to build pressure for thorough infusion, then automatically increases flow rate when predetermined pressure is reached. This dynamic behavior optimizes both infusion quality and brewing time by adjusting flow resistance during the brewing process.
Solution Approach 2:
The brewing process follows a periodic pattern enforced by the discharge wall: initial pressure buildup phase with restricted flow for thorough infusion, followed by a discharge phase when pressure threshold is reached. This periodic action ensures complete ingredient extraction while controlling overall brewing time through automated pressure-based flow regulation.
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
The solution maintains beverage quality, reduces turbidity, and eliminates taste cross-contamination while simplifying capsule production and handling, ensuring a cleaner brewing process and improved hygiene.
Implementation Method 1
discharge means which restrain the brewed liquid from being discharged from the capsule or limit the liquid flow in case the pressure inside the enclosure is below a predetermined value
Implementation Method 2
the discharge means enable the delivery of the brewed liquid in case the pressure exceeds said predetermined value
Data Source
Figure 1~2
Figure 3A~4B
Figure 5A~6
AI summary
The invention relates to a method for preparing a beverage through a capsule (2) inserted in a beverage machine; the capsule (2) comprising an enclosure (20) containing one or more beverage ingredients, wherein a brewing fluid is introduced in the enclosure (20) to brew said one or more beverage ingredients, characterized in that: a discharge wall (3, 3B, 300, 310, 320, 330) is placed in association with the enclosure (20), wherein the discharge wall (3, 300, 310, 320, 330) comprises discharge means (100, 301, 311, 321, 331) which restrain the brewed liquid from being discharged from the capsule (2) or limit the liquid flow in case the pressure inside the enclosure (20) is below a predetermined value, and the discharge means (100, 301, 311, 321, 331) enable the delivery of the brewed liquid in case the pressure exceeds said predetermined value.