Capsule Holder Assembly for Reliable Pod Insertion and Ejection
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Solution Overview
Problem
Existing brewing devices for beverage capsules, particularly those with flexible or deformable edges like 'coffee pods,' face complexity and cost issues due to numerous moving parts, making them difficult to handle and expensive to produce.
Innovation Solution
A brewing device with a simplified mechanical assembly that uses a coaxially arranged holding surface and a transversal retaining means to securely hold and eject capsules with deformable edges, reducing the number of moving pieces and mechanical interactions, allowing for stable handling and ejection without premature wear or blocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional capsule handling mechanisms with multiple moving parts are used, then capsules can be handled and ejected, but the device complexity increases and production costs rise
Solution Approach 1:
The patent combines the holding function and ejection function into a single integrated capsule holder assembly. The holder includes a holding chamber that receives the capsule and a ejection chamber that ejects it, eliminating the need for separate holding and ejection mechanisms. This merging reduces the number of moving parts and simplifies the overall mechanical assembly while maintaining reliable capsule handling.
Solution Approach 2:
The capsule holder serves multiple functions: it holds the capsule in the insertion position, guides the capsule during insertion, maintains the capsule in an intermediate position, and ejects the capsule after brewing. This multi-functional design eliminates the need for multiple specialized components, reducing device complexity while ensuring reliable capsule handling throughout the brewing cycle.
2Ease of operation
If multiple moving parts are used for capsule ejection, then capsules can be ejected, but production costs increase
Solution Approach 1:
The ejection mechanism is merged with the holding mechanism into a single capsule holder assembly. The holder includes a ejection chamber with an ejection opening that uses the same structural components as the holding chamber, eliminating the need for separate ejection mechanisms and reducing production costs.
Solution Approach 2:
The capsule holder uses the brewing device's own closing motion to automatically eject the capsule. When the brewing device closes, the capsule is pushed from the holding chamber to the ejection chamber and ejected through the ejection opening. This self-ejection mechanism eliminates the need for additional motors or complex ejection systems, reducing production costs while maintaining ease of operation.
3Ease of operation
If complex mechanisms with many moving pieces are used, then capsules can be handled and ejected, but the device becomes more vulnerable to failures
Solution Approach 1:
The patent merges the holding and ejection functions into a single integrated capsule holder with fewer moving parts. This reduction in component count directly reduces the number of potential failure points, making the device more reliable while maintaining ease of capsule handling and ejection.
Solution Approach 2:
The capsule holder automatically performs both holding and ejection functions using the device's inherent closing motion, eliminating the need for additional motors, sensors, or control systems. This self-service mechanism reduces complexity and increases reliability by minimizing the number of active components that could fail.
Data Source
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AI summary
Brewing device for the brewing of a capsule containing beverage ingredients comprising: a frame (2), a first and second capsule enclosing members (7, 8) for at least partially enclosing the capsule (9) during brewing; wherein the first enclosing member (7) is mobile along the frame in relation to the second enclosing member (8); a closing mechanism to actuate the first enclosing member comprising an actuation member; a capsule holding member (10) for receiving the capsule during insertion of the capsule between the first and second enclosing members and for holding it in place during closing of the enclosing members.