Single-Serve Brewing Unit Lever Linkage for Capsule and Pod Handling
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Solution Overview
Problem
Brewing units for single serving capsules and pods often require complex operations and manual intervention, especially when capsules need to be perforated on one side or pods require pressurized water to flow through without perforation, leading to inefficiencies in beverage preparation.
Innovation Solution
A brewing unit with a sliding drawer and lever mechanism that allows for simple manual operation, including capsule insertion, perforation, and water dispensing, using a mechanical connection to move the drawer and dispensing member into position, and featuring oscillating arms for spent capsule removal and a stop element to block the capsule in the brewing position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a brewing unit is designed to work with various types of capsules (sealed and non-sealed), then the adaptability of the device is improved, but the device complexity increases due to the need for different perforation and water dispensing mechanisms
Solution Approach 1:
The brewing unit is designed with a universal drawer structure that can accommodate both sealed and non-sealed capsules. The same drawer performs multiple functions: holding capsules, providing perforation surfaces, and guiding water dispensing. This multi-functionality allows the device to work with various capsule types without requiring separate specialized mechanisms for each capsule variety.
Solution Approach 2:
The brewing unit is divided into modular components: a drawer that can be positioned in different locations, perforation surfaces that can be activated selectively, and water dispensing members that can target different areas. This segmentation allows the system to adapt to different capsule types by activating only the necessary components for each capsule variety, rather than requiring all components to be present and active simultaneously.
2Ease of operation
If all brewing operations are performed manually, then the ease of operation is improved, but the productivity decreases due to the time required for each manual step
Solution Approach 1:
The drawer is pre-positioned in an optimal location before brewing begins, and all necessary components (perforation surfaces, water dispensing members) are pre-aligned with the capsule. This preliminary positioning eliminates the need for complex real-time adjustments during the brewing process, allowing users to perform simple manual operations while maintaining high brewing speed and productivity.
3Ease of operation
If the drawer is movable to allow capsule insertion, then the ease of operation is improved, but the reliability decreases due to potential mispositioning during movement
Solution Approach 1:
The drawer incorporates self-aligning features that automatically guide it into the correct position during insertion and movement. The drawer structure includes guides and stops that ensure it settles into the precise required location without requiring manual alignment by the user. This self-service positioning mechanism maintains high reliability while preserving ease of operation.
Data Source
Figure 1
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Figure 4~5
AI summary
The brewing unit comprises: a support (5); a drawer (7), presenting at least a seat for a single serving package (C), slidable with respect to the support and movable between a loading position of the single serving package and a brewing position; a dispensing member (23) to dispense pressurized water to the single serving package. A control lever (9) is provided to control the movement of the drawer (7). A mechanical connection is also provided between the lever and the drawer and between the lever and the dispensing member, so that operation of the lever causes the drawer to move from the loading position to the brewing position and the dispensing member to rest against the single serving package.