Brewing module and method of using same
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Solution Overview
Problem
Existing brewing modules for extraction appliances require a pronounced lateral collar and complex designs to hold and eject capsules, limiting flexibility and increasing manufacturing costs, especially when handling high brewing pressures and various capsule types.
Innovation Solution
A brewing module with a first and second part that form a discharge device and injector, featuring lateral guide means and retrieval means that allow for axial movement and minimal pivoting, enabling a compact and flexible design suitable for high pressures and diverse capsule shapes, with guide tracks and restraining structures to securely hold and eject capsules.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a pronounced lateral collar and complex guide grooves are used to hold and eject capsules, then capsule holding and ejection can be achieved, but device complexity increases and manufacturing costs rise
Solution Approach 1:
The brewing module is divided into two separable parts: a holder with lateral guide means and a mover with retrieval means. This segmentation allows each part to have simpler, more focused functions. The holder provides stable capsule positioning during brewing, while the mover handles ejection, eliminating the need for complex movable guide grooves in a single integrated structure.
Solution Approach 2:
Instead of using complex guide grooves that actively manipulate the capsule through lateral movement, the invention uses a rest that passively supports the capsule bottom and lateral guide means that simply constrain lateral movement. The capsule ejection is achieved by retrieval means that engage the collar and pull it upward, reversing the conventional approach of pushing the capsule out through complex mechanical movements.
2Reliability
If lateral guide means with restraining structures are used to hold capsules securely, then capsule positioning is improved, but the design flexibility for different capsule types is reduced
Solution Approach 1:
The lateral guide means with restraining structures are designed to work with multiple capsule types. The guide means can accommodate different collar diameters and shapes while maintaining secure positioning. The retrieval means can engage various collar designs, making the brewing module versatile for different capsule types without requiring type-specific guide mechanisms.
Solution Approach 2:
The restraining structures are designed with adjustable parameters such as spacing, angle, and engagement depth that can be modified to accommodate different capsule types. The guide means can be adjusted to work with various collar dimensions, allowing the same basic structure to handle multiple capsule designs effectively.
3Reliability
If complex holding arms with pivoting mechanisms are used for capsule ejection, then capsule retrieval is achieved, but manufacturing precision requirements increase
Solution Approach 1:
By separating the holder and mover into distinct parts, the manufacturing precision requirements for each part are reduced. The holder's lateral guide means can be simpler since it only needs to constrain movement, while the mover's retrieval means handles the ejection function. This segmentation eliminates the need for highly precise, complex pivoting mechanisms in a single integrated structure.
Solution Approach 2:
The retrieval means are designed to automatically engage the capsule collar and pull it upward for ejection without requiring complex control mechanisms. The structural design of the retrieval means and capsule collar creates a self-engaging system that reduces manufacturing precision requirements compared to actively controlled pivoting holding arms.
Data Source
AI summary
A brewing module for an extraction appliance has a first brewing-module part and a second brewing-module part, which can be moved relative to the first. The first and second brewing-module parts form a discharging device for discharging an extraction product out of a capsule, containing extraction substance for the preparation of brewed beverages, and an injector for introducing an extraction liquid into the capsule. The first brewing-module part has a head with a lateral guide, which defines first and second tracks for a capsule collar. The first brewing-module part also forms a rest delimiting movement of the capsule in the downward direction when the capsule collar is located on the first track. The lateral guide is connected rigidly to the head, and the second brewing-module part has a restoring device, which acts on the capsule collar and moves the collar into the second track when the brewing chamber is opened.