Spring-Loaded Coffee Holder for Automatic Grounds Tamping
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Solution Overview
Problem
Conventional coffee makers fail to extract the full flavor from loosely packed ground coffee, as water passes through without adequate compaction.
Innovation Solution
A self-tamping coffee holder that compacts loose ground coffee using a holder base and cap with an internal filter chamber, employing a spring or resilient material to tamp the coffee, allowing for better extraction of flavors during brewing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If loose ground coffee is used in conventional coffee makers, then ease of operation is improved (simple coffee loading), but flavor extraction deteriorates (water passes through freely without obtaining full flavor)
Solution Approach 1:
The coffee is pre-packaged in a closed pod with a filter, and a bottom tamper is pre-installed in the holder. When the pod is inserted and the lid is closed, the spring automatically compresses to tamp the coffee before brewing begins, ensuring proper compaction without requiring manual intervention.
Solution Approach 2:
The spring-loaded tamping mechanism automatically activates when the lid is closed, compressing the coffee pod without requiring user action. The system serves itself by using the closing motion of the lid to trigger the tamping action, eliminating the need for separate manual tamping steps.
2Reliability
If a pod adapter with tamping spring is used, then flavor extraction is improved (coffee is tamped), but adaptability deteriorates (cannot use bulk ground coffee)
Solution Approach 1:
The holder is designed to accommodate both pre-packaged coffee pods and bulk ground coffee by providing a removable bottom tamper and adjustable spring mechanism. The filter chamber can work with different coffee formats, making the device universal for multiple coffee preparation methods.
Solution Approach 2:
The spring mechanism can be adjusted or removed depending on the coffee type being used. For pre-packaged pods, the spring provides automatic tamping. For bulk ground coffee, the spring and bottom tamper can be removed or adjusted, allowing the user to manually pack coffee while still benefiting from the filter chamber design.
3Reliability
If manual tamping is required for proper extraction, then flavor extraction is improved, but device complexity increases (additional tamping mechanism needed)
Solution Approach 1:
The spring-loaded mechanism automatically performs the tamping action when the lid is closed, eliminating the need for manual intervention. The system uses the closing motion itself to trigger the tamping, making the complex mechanism serve itself without requiring additional user actions or controls.
Solution Approach 2:
The tamping function is merged with the lid closing action. The spring mechanism is integrated into the lid assembly, so that closing the lid simultaneously seals the chamber and activates the tamping force through the bottom tamper, combining two functions into one motion.
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 ensures richer flavor extraction by compacting the coffee grounds, allowing for a more efficient flow of hot water through the coffee, resulting in a better-tasting coffee drink.
Implementation Method 1
The tamping may be by a spring or by a resilient solid material attached to the coffee holder and may push the coffee down inside the filter
Data Source
AI summary
A self-tamping coffee holder tamps loose ground coffee obtaining richer flavor. The coffee holder includes a holder base and a holder cap. Coffee is loosely deposited in the coffee holder and the holder cap is attached to the holder base. An internal filter chamber holds the coffee and allows tamping of the coffee into a compacted state. The filter chamber may be formed by a fixed filter or by a removeable filter constructed of filter paper, nylon mesh, metal mesh, or any material capable of holding the coffee while allowing a flow of heated water through the coffee. The tamping may be by a spring or by a resilient solid material attached to the coffee holder and may push the coffee down inside the filter or push the filter and the coffee up against the holder lid.