Filter container, filter assembly, and extraction device
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Solution Overview
Problem
Traditional coffee filters require time-consuming and troublesome steps such as removing and cleaning filter cups and disposing of filter papers, which hinder the efficiency of beverage preparation.
Innovation Solution
A filter container with a main part and a filter piece that allows for easy removal of coffee grounds by keeping unwanted particles within the container, eliminating the need for cleaning and reducing preparation effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional filter paper and filter cup are used, then coffee filtering can be achieved, but the preparation process becomes troublesome and time-consuming due to multiple steps of removing, cleaning, and reinstalling
Solution Approach 1:
The patent merges the filter cup and filter paper into a single integrated filter container assembly. The filter container includes a cup body with a filter element built-in, eliminating the need to separately handle filter paper and filter cup. This integration allows the entire assembly to be removed and discarded as one unit after use, significantly reducing the number of steps involved in filter preparation and cleanup.
Solution Approach 2:
The filter container is designed as a separable assembly that can be easily removed from the brewing device as a complete unit. The coupling portion allows for simple detachment, enabling the entire filter container with spent grounds to be disposed of together without requiring separate cleaning operations for the cup and filter media.
2Loss of time
If filter paper is used, then coffee grounds can be filtered, but additional time is spent on disposing of filter paper and cleaning the filter cup
Solution Approach 1:
The filter element is built into the filter container structure, creating a unified assembly where the filtering function and the containment function are combined. This eliminates the need for separate filter paper disposal and cup cleaning operations, as the entire assembly can be removed and discarded together, reducing both time and complexity.
3Ease of operation
If multiple separate components (filter cup, filter paper) are used, then filtering function is achieved, but the number of handling steps increases
Solution Approach 1:
The filter container integrates the cup body and filter element into a single pre-assembled unit. This merged structure requires only one installation action - placing the entire filter container into the brewing device - eliminating the need to separately install filter paper into the filter cup, thereby reducing both preparation time and operational complexity.
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
Simplifies and speeds up the coffee brewing process by allowing coffee grounds to be removed with the filter container, thus reducing the effort and time spent on filter paper and cup handling.
Implementation Method 1
the filter piece is arranged at the coupling portion and corresponding to the outlet
Data Source
AI summary
A filter container includes a main part and a filter piece, the main part includes a surrounding portion, an opening, and a coupling portion, the opening and the coupling portion are respectively located at two opposite sides of the surrounding portion, the filter piece is arranged at the coupling portion.


