Mesh Filter Assembly for Batch High-Concentrate Coffee Brewing
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Solution Overview
Problem
There is no known technique, apparatus, or system for producing multi-serving batches of high concentrate coffee similar to that produced in the Vietnamese style, which is typically configured for individual, single cup doses.
Innovation Solution
A filter assembly is designed for use with a brewer, comprising a mesh and support structure that retains beverage brewing substance within a funnel while allowing brewed beverage to pass through, enabling the production of a high concentrate brewed beverage in larger batches.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If Vietnamese style brewing technique is used, then coffee concentrate quality is improved, but batch size is limited to single cup portions
Solution Approach 1:
The brewing system is segmented into distinct functional modules: a Vietnamese-style phin brewing chamber for concentrate preparation, a separate filtration system with mesh and support structure, and a batch processing configuration. This segmentation allows the complex Vietnamese brewing technique to be adapted for batch production while maintaining quality characteristics.
Solution Approach 2:
The filter assembly with mesh and support structure is nested within the brewing apparatus, and the brewing chamber is nested within the overall system housing. This nested configuration allows multiple functional elements to be integrated in a compact arrangement, enabling batch brewing without proportionally increasing device complexity.
2Quantity of substance
If filter assembly with mesh and support structure is used, then beverage concentration and body are improved, but filtration complexity increases
Solution Approach 1:
A mesh filter with controlled porosity is used to achieve the desired filtration effect. The mesh structure provides adequate concentration and body in the brewed beverage while maintaining a relatively simple construction compared to multi-layer filtration systems. The support structure reinforces the mesh without adding significant complexity.
3Productivity
If brewing substance is retained in funnel during brewing, then extraction efficiency is improved, but difficulty in separating spent grounds increases
Solution Approach 1:
The spent brewing substance is extracted from the funnel through a drainage mechanism that allows liquid to pass through the mesh filter while retaining the grounds. The support structure of the filter assembly facilitates easy removal of spent grounds from the funnel after brewing is complete.
Solution Approach 2:
The system is designed to efficiently discard spent brewing substance through the drainage and filtration mechanism. The mesh and support structure enable spent grounds to be easily separated and removed from the funnel, facilitating quick turnover between brewing cycles.
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 filter assembly allows for the production of a richer, high concentrate coffee with more fines and body, overcoming the limitations of single-cup brewing techniques by retaining the brewing substance in the funnel and allowing the brewed beverage to flow through a mesh, thus achieving a larger batch size.
Implementation Method 1
a filter assembly is designed for use with a brewer, comprising a mesh and support structure that retains beverage brewing substance within a funnel while allowing brewed beverage to pass through
Data Source
AI summary
A filter assembly for use with a brewer to form a brewed beverage from a beverage brewing substance. The filter assembly is arranged in a funnel of the brewer and a dose of beverage brewing substance is arranged on the filter assembly within the funnel. A solution is controllably dispensed by the brewer over the beverage brewing substance to form the brewed beverage. A mesh of the filter assembly allows the brewed beverage to pass though the filter assembly. A gasket of the filter assembly engages with an inner surface of the funnel to retain the retain the beverage brewing substance within the funnel against the filter assembly and prohibit the beverage brewing substance from bypassing the mesh of the filter assembly.