Beverage extractor
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Solution Overview
Problem
In press-type beverage extractors, over-extracted liquid accumulates under the filter and can mix into the coffee, causing variations in coffee concentration between initial and final pours, leading to inconsistent beverage quality.
Innovation Solution
A cylindrical container with a movable filter unit and a wall part positioned closer to the pouring port than the filter, intercepting the over-extracted liquid and preventing it from pouring into the cup, along with a plate to suppress raw powder diffusion, ensures consistent coffee concentration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the filter unit is pressed down to separate coffee powder and extracted coffee, then the separation function is improved, but over-extracted liquid accumulates under the filter and mixes into the poured coffee, causing concentration inconsistency
Solution Approach 1:
The filter unit is divided into two functional parts: a filter part for separating coffee powder from extracted coffee, and a wall part for intercepting over-extracted liquid. This segmentation allows each part to perform its specific function independently, solving the contradiction between separation efficiency and concentration consistency.
Solution Approach 2:
The wall part acts as an intermediary element between the filter part and the pouring port. It intercepts the over-extracted liquid that accumulates under the filter, preventing it from mixing into the poured coffee, thus maintaining concentration consistency while preserving the separation function.
2Productivity
If the filter unit allows beverage to pass through for extraction, then the extraction function is improved, but over-extracted liquid accumulates and cannot be prevented from pouring into the cup
Solution Approach 1:
Different parts of the filter unit have different functions: the filter part allows beverage passage for extraction, while the wall part specifically intercepts over-extracted liquid. This local differentiation of quality and function resolves the contradiction between extraction efficiency and preventing contamination.
3Ease of operation
If the container is tilted for pouring, then the pouring function is improved, but over-extracted liquid flows toward the pouring port and mixes into the coffee
Solution Approach 1:
The wall part is positioned and configured in advance to intercept over-extracted liquid before the container is tilted for pouring. This preliminary arrangement ensures that even when the container is tilted, the over-extracted liquid cannot reach the pouring port, maintaining concentration uniformity while allowing easy pouring operation.
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 effectively suppresses the pouring of over-extracted liquid into the cup, maintaining consistent coffee concentration throughout the brewing process by intercepting it with the wall part and preventing raw powder diffusion, thus ensuring a uniform beverage quality.
Implementation Method 1
in tilting the container and pouring the beverage through the pouring port into a cup, an over-extracted liquid accumulated under the filter unit is intercepted with the wall part
Implementation Method 2
a filter part allowing a beverage stored in the container to pass therethrough
Data Source
AI summary
A beverage extractor includes a container, a pouring port, a filter unit, and an operation shaft. The filter unit is movable in a top-bottom direction while inscribed in the filter unit. The filter unit includes a filter part and a wall part. The filter part allows a beverage stored in the container to pass therethrough. The wall part is located closer to the pouring port than the filter part. In tilting the container and pouring the beverage through the pouring port into a cup, an over-extracted liquid accumulated under the filter unit is intercepted with the wall part. This makes it possible to suppress pouring of the over-extracted liquid into the cup.