Capsule Positioning Guides for Slim Drink Preparation Chambers
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Solution Overview
Problem
Existing devices for preparing drinks from capsules with peripheral collars are complex due to numerous moving parts, making them expensive and difficult to design slimly, and can deform the collar during ejection, affecting sealing and capsule removal.
Innovation Solution
The device employs asymmetrical joint and release guides for capsule positioning, allowing snake-like movement with minimal force on the collar, reducing the need for lateral moving parts and enabling easy capsule ejection using a compressible spring and retrieval mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If lateral guide sections are spread apart during closing movement to enable sealing, then the chamber parts can be pressed against one another in a sealing manner, but numerous moving parts are required which complicates construction and makes it more expensive
Solution Approach 1:
The invention extracts the lateral spreading function from the guide sections and transfers it to the capsule itself. The capsule's collar is designed to actively spread the guide sections laterally during insertion, so the guide sections no longer need to be movable or actively controlled to achieve sealing. This eliminates numerous moving parts while maintaining reliable sealing.
Solution Approach 2:
The capsule's collar serves a dual function: it guides the capsule into position and simultaneously acts as a spreading element that forces the guide sections apart. The system uses the capsule itself to perform the function of spreading the guides, eliminating the need for separate actuating mechanisms or movable guide sections.
2Ease of operation
If lateral guide sections are used for positioning, then the capsule can be held in intermediate position, but lateral movement requires space making a slim design difficult
Solution Approach 1:
The invention transitions from lateral positioning (horizontal dimension) to vertical positioning. The guide sections are fixed in position and guide the capsule vertically into the intermediate position. The collar's spreading action occurs vertically during insertion, eliminating the need for lateral space while maintaining precise positioning capability.
3Ease of operation
If significant forces act on the peripheral collar during ejection, then the capsule can be removed from positioning unit, but a deformed collar can have negative effect on tightness of brewing chamber
Solution Approach 1:
The invention extracts the ejection function from mechanical force application to the collar and transfers it to a spring mechanism acting on the capsule base. The spring pushes the capsule upward from below, completely avoiding contact with and deformation of the collar, thus maintaining both easy ejection and collar integrity for future sealing operations.
4Reliability
If numerous moving parts are used in guide sections, then sealing can be achieved, but the device becomes more expensive to produce
Solution Approach 1:
The invention removes the complexity of movable guide sections entirely. The guide sections become fixed, simple structures that require no actuators, sensors, or control systems. The sealing function is achieved passively through the fixed guides and the capsule's own spreading action, dramatically reducing manufacturing cost while maintaining sealing reliability.
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
This design simplifies the device's structure, reduces costs, and ensures a slim design while maintaining reliable operation and minimizing collar deformation, facilitating easy capsule ejection without significant force on the collar.
Implementation Method 1
When opening the chamber parts, the capsule falls down under the influence of gravity
Implementation Method 2
it is particularly expedient if one of the chamber parts has a spring which can be compressed in the closed position with the capsule received. As soon as the closing pressure decreases and the chamber parts move apart again, the capsule is ejected with the help of the spring
Data Source
Figure 1
Figure 2~3
Figure 4~5
AI summary
Two chamber parts (4, 5) can be pressed together to seal and receive the capsule (2). In an open position, the capsule is held in an intermediate position between the chamber parts by means of a positioning unit (6). The positioning unit (6) has opposing guide sections (7, 8) on a preferably vertical insertion plane for guiding the capsule along diametrically opposed sections of the capsule collar (3) to hold the capsule in the intermediate position. The insertion section is designed as a hinged guide (7), and the opposing guide section as a release guide (8). The release guide has a recess designed such that the capsule can be rotated from the intermediate position about the hinged guide (7) and released from the release guide.The capsule is freed from the release guide (8) in a first movement phase and from the joint guide (7) in a second movement phase by being acted upon with one of the chamber parts before reaching the closed position.