Coffee Tamper with Insertion Protrusions for Uniform Bean Compression
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Solution Overview
Problem
Existing coffee tampers fail to ensure uniform distribution and pressure application on coffee bean powder in a porter filter, leading to uneven density and air layers, which affect the quality of espresso extraction.
Innovation Solution
A coffee tamper design featuring a compressing part with through holes and insertion protrusions that mix and compress the beans uniformly, allowing for even distribution and pressure application, with a button part and elastic mechanism to facilitate efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stress or pressure
If pressure is applied to coffee bean powder in the porter filter, then the coffee bean powder is compressed, but if excessive force is applied to a specific position, the coffee bean powder becomes biased to one side and density becomes uneven
Solution Approach 1:
The compressing part is divided into multiple compression units arranged in an array, each applying pressure to different regions of the coffee bean powder. This segmentation allows distributed pressure application across the entire surface, preventing localized over-compression and ensuring uniform density throughout the coffee bed.
Solution Approach 2:
Each compression unit in the array applies pressure locally to its specific region, creating zones of controlled compression. This local quality approach ensures that each area receives appropriate pressure without affecting adjacent regions, maintaining overall uniformity while achieving effective tamping.
2Stability of the object's composition
If air layer is formed between coffee bean powder, then the coffee bean powder cannot be uniformly compressed, but if air is not discharged during tamping, density becomes uneven
Solution Approach 1:
The through holes in the compressing part extract and discharge air trapped between layers of coffee bean powder during compression. By providing dedicated air escape pathways, the system removes the harmful air layers that would otherwise prevent uniform compression and create density variations.
Solution Approach 2:
The compressing part incorporates through holes creating a porous structure that allows air to pass through during compression. This porous design enables continuous air evacuation as the coffee bean powder is compressed, ensuring uniform density without air pockets.
3Ease of manufacture
If a simple compressing structure is used, then the device is easy to manufacture, but it cannot perform both uniform distribution and pressure application operations
Solution Approach 1:
The compressing part is designed with dual functionality: the array of compression units performs both mixing (through rotational movement) and compression (through downward pressure), while the through holes simultaneously enable air discharge during both operations. This multi-functionality eliminates the need for separate mixing and compressing tools.
Solution Approach 2:
The invention merges the mixing function and compression function into a single compressing part structure. The compression units serve both purposes by rotating to mix coffee beans and then pressing down to compress them, while the through holes facilitate air discharge during both phases of 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 tamper ensures uniform density of coffee beans, enhancing the extraction of high-quality espresso with consistent taste and aroma by evenly mixing and compressing the beans.
Implementation Method 1
an elastic part disposed to surround an outer circumferential surface of the limit rod and to apply elastic force toward the operation part
Data Source
AI summary
A coffee tamper may include: a compressing part having a compressing surface for compressing ground beans accommodated in a porter filter; a main body part, which accommodates at least a portion of the compressing part and has a bottom part accommodating an upper side of the compressing surface; an operation part having at least one connection part that protrudes inside the main body part and configured to slide in a first direction; and a button part disposed on an upper side of the operation part and receiving an external force from a user, wherein the operation part has a plurality of insertion protrusions, and the compressing surface has a plurality of through holes corresponding to the plurality of insertion protrusions, and wherein the plurality of insertion protrusions are accommodated inside the main body part in a first state and the plurality of insertion protrusions are exposed outside the main body part through the through holes in a second state when the operation part slides along the first direction.