Spring-Loaded Coffee Press for Consistent Powder Compaction
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Solution Overview
Problem
Conventional powder press devices for coffee require manual adjustment of pressure and pressing angle, leading to inconsistent and unstable powder pressing operations, which can affect the quality of espresso extraction.
Innovation Solution
A press device with an operation element, a pressing element, a first elastic element, and a body, where the pressing element is detachably connected to the operation element and has a pressing surface for powders, with a first elastic element disposed between them, and a second elastic element providing additional compression stages for improved stability and uniform force distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If manual adjustment of pressure and pressing angle is used, then device complexity is reduced, but manufacturing precision and reliability of powder pressing deteriorate
Solution Approach 1:
The patent employs elastic elements (springs) to automatically adjust and maintain optimal pressing force parameters. The elastic elements provide a predetermined pressing force that compensates for variations in powder bed height and density, eliminating the need for manual pressure adjustment while ensuring consistent pressing results.
Solution Approach 2:
The pressing device is designed to be self-regulating through the elastic elements that automatically adjust the pressing force based on the resistance encountered during pressing. The system serves itself by using the elastic recovery force of the springs to maintain constant pressing pressure without requiring external control or manual intervention.
2Ease of operation
If manual adjustment of pressing parameters is used, then ease of operation is improved, but reliability of powder pressing deteriorates
Solution Approach 1:
The elastic elements provide automatic parameter adjustment for pressing force and contact timing. The spring compression and extension automatically adapt the pressing parameters to match the actual powder bed conditions, ensuring reliable and stable pressing results while requiring minimal user intervention.
Solution Approach 2:
The elastic elements act as a mechanical feedback mechanism that responds to the resistance encountered during pressing. As the pressing element encounters varying powder densities and heights, the elastic elements automatically adjust the applied force to maintain optimal pressing conditions, providing real-time feedback control without complex electronics.
3Device complexity
If manual pressure adjustment is used, then device complexity is reduced, but manufacturing precision of powder compaction deteriorates
Solution Approach 1:
The elastic elements automatically change the pressing force parameter based on the compression ratio and spring constant. This dynamic parameter adjustment ensures uniform powder compaction across different batch sizes and powder bed configurations without requiring complex adjustment mechanisms or multiple pressing stages.
Solution Approach 2:
The pressing system transitions from static manual pressure settings to dynamic automatic pressure adjustment through the elastic elements. The springs continuously adapt the pressing force during the pressing cycle, maintaining optimal contact pressure throughout the process and ensuring uniform compaction results.
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 press device ensures consistent and stable powder pressing, maintaining a pressed state even after the external force is removed, improving the quality and uniformity of espresso extraction by allowing controlled and steady pressure application.
Implementation Method 1
a first elastic element disposed between the operation element and the pressing element, and opposing ends of the first elastic element abut against the operation element and the pressing element, respectively
Data Source
AI summary
A press device for pressing powders in a container is provided. The press device has a compact structure that can be operated by one hand of a user and comprises an operation element, a pressing element, a body and at least one elastic element, wherein the at least one elastic element is provided between the operation element and the pressing element. A surface of the pressing element is urged by the force provided by the at least one elastic element to press the powders in the container.