Centrifugal Extraction Cell Venting for Complete Ingredient Wetting
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Solution Overview
Problem
Centrifugal systems for beverage preparation face issues with air pockets forming due to insufficient gas escape, leading to incomplete wetting of ingredients and elevated pressure, which affects extraction quality and requires excessive rotational speeds, potentially causing leakage and damage to the device.
Innovation Solution
A method and system that controllably purge gas from the cell as liquid fills it, using dedicated conduits and valves to manage gas release, ensuring proper wetting and extraction without excessive rotational speeds, and incorporating a gas purging conduit to remove gas during the prewetting phase, preventing liquid leakage and improving extraction efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If gas escape openings are made small or closed by a discharge valve to control liquid flow, then liquid extraction is improved, but gas cannot escape sufficiently rapidly causing air pockets to form
Solution Approach 1:
The gas escape function is segmented from the liquid discharge function. A dedicated gas purge conduit is provided separately from the liquid discharge openings, allowing gas to escape through a specific pathway while liquid is discharged through controlled openings. This segmentation enables independent optimization of gas venting and liquid extraction processes.
Solution Approach 2:
Gas is purged from the cell before liquid extraction begins. The system performs a preliminary gas purge operation during the prewetting phase, removing trapped air pockets before the main liquid flow starts. This preliminary action prevents air pockets from interfering with subsequent liquid extraction and ensures complete wetting of the substance.
2Device complexity
If air pockets are allowed to remain in the cell during liquid filling, then the cell structure is simple, but incomplete wetting of ingredients occurs and extraction quality deteriorates
Solution Approach 1:
Air pockets are actively removed from the cell during the prewetting phase through the dedicated gas purge conduit. The system extracts gas phase substances from the cell before liquid extraction begins, ensuring that only liquid remains during the extraction process. This takes out the harmful air pockets that would otherwise interfere with complete wetting and extraction quality.
3Productivity
If excessive rotational speed is used to overcome elevated pressure from insufficient liquid volume, then liquid can be forced through the cell, but leakage and damage to the device may occur
Solution Approach 1:
The cell is pre-filled with an adequate volume of liquid during the prewetting phase before centrifugal extraction begins. This preliminary action ensures that sufficient liquid is present to maintain appropriate pressure levels during rotation, eliminating the need for excessive rotational speeds and preventing the harmful effects of high-speed operation.
Solution Approach 2:
The gas purge conduit acts as an intermediary mechanism that allows controlled pressure relief during the prewetting phase. By providing a dedicated pathway for gas escape, the system mediates pressure buildup, allowing liquid to fill the cell adequately without creating excessive pressure that would require high rotational speeds to overcome.
4Productivity
If a dedicated gas purge conduit is provided to remove gas during prewetting, then proper wetting and extraction are achieved, but device complexity increases
Solution Approach 1:
The gas purge conduit is designed to serve multiple functions: it acts as a gas escape pathway during prewetting, provides pressure equalization during liquid filling, and can be integrated with the existing discharge valve system. This multi-functionality reduces the need for completely separate systems and minimizes overall device complexity while achieving the desired wetting and extraction efficiency.
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 proper wetting of ingredients, optimizes the beverage preparation cycle, enhances extraction quality, and reduces the risk of leakage and damage to the device by equilibrating gas and liquid flows, resulting in a cleaner and more efficient extraction process.
Implementation Method 1
preparing a liquid extract from a cell by passing water through a substance contained in a cell which is submitted to a centrifugation
Implementation Method 2
a mixture consisting of brewed coffee and coffee powder is separated with centrifugal forces
Data Source
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AI summary
A method for preparing a liquid comestible from a cell by passing liquid through the substance using centrifugal forces, wherein gas contained in the cell is controllably purged from the cell as liquid fills the cell.