Collection receptacle for collecting insoluble material that is used for preparing beverages, as well as infusion device with such a collection receptacle
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Solution Overview
Problem
Infusion devices face difficulties in efficiently separating and removing insoluble materials, such as ground coffee or tea leaves, due to strong compression requirements, leading to increased force needed for coupling and potential water splashing during the filtration process.
Innovation Solution
A collection receptacle with a central projection that forms a defined distance between the edge and the piston-filter arrangement, allowing for a friction fit or magnetic coupling, reducing the force required for coupling and preventing excessive compression and water splashing, featuring a height difference between 1 mm and 8 mm and a diameter-dependent ratio to control the flow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the filter press is pressed strongly toward the closed end to compress the insoluble material, then the separation efficiency is improved, but the force required increases and water may splash out
Solution Approach 1:
The collection receptacle acts as an intermediary component between the filter press and the container bottom. It receives the filter press during pressing and provides a coupling mechanism that reduces the force needed to maintain the pressed state, while still achieving effective separation of insoluble material
Solution Approach 2:
The invention changes the parameter of coupling force by introducing a mechanical coupling system (coupling elements with locking mechanism) between the collection receptacle and filter press. This allows the system to achieve effective compression with lower applied force by maintaining pressure through the coupling mechanism rather than continuous strong pressing
2Reliability
If the filter press is pressed strongly to compress the material, then separation is improved, but water splashing and wave-like movements occur
Solution Approach 1:
The collection receptacle serves as a buffer zone between the filter press and the insoluble material. By providing a receiving space and coupling mechanism, it dampens the impact and prevents sudden water movements that would cause splashing, while still allowing effective material compression
Solution Approach 2:
The collection receptacle is positioned beforehand to receive the filter press and provide a cushioning effect. The coupling elements are pre-configured to engage and lock, preventing sudden movements and water splashing before they can occur during the pressing operation
3Ease of operation
If the collection receptacle is designed to receive the filter press, then coupling is achieved, but the structure becomes more complex
Solution Approach 1:
The coupling system is segmented into distinct coupling elements: one attached to the collection receptacle and another to the filter press. This segmentation allows each element to be simple in design while their interaction provides the full coupling function, reducing overall structural complexity compared to an integrated design
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
Facilitates easier operation by reducing the force needed for coupling and preventing wave-like movements and splashing, ensuring efficient separation and cleaning of the infusion device without excessive material compression.
Implementation Method 1
the coupling in WO 96/035360 A1 is created by a friction fit between the filter press and the collection receptacle
Implementation Method 2
allowing for a friction fit or magnetic coupling
Data Source
AI summary
The present invention relates to a collection receptacle for collecting insoluble material that is used for preparing beverages by means of an infusion device, wherein the infusion device comprises a container with an open end and a closed end for holding the beverage and the insoluble material. A piston-filter arrangement can be inserted into the container via the open end and can be moved toward the closed end. The collection receptacle can be inserted into the container, and has an opening that is enclosed by an edge, and a first coupling element that can be coupled with a second coupling element of the piston-filter arrangement such that, in the coupled state, a distance is formed between the edge of the collection receptacle and the piston-filter arrangement. In addition, the invention relates to an infusion device with such a collection receptacle.