Interchangeable Coffee Capsule Extraction Unit for Multi-Capsule Use
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Solution Overview
Problem
Existing beverage preparation machines are limited to specific types of capsules, reducing versatility and requiring multiple machines for different types of dispensable beverages and capsule materials, leading to higher replacement rates when consumer preferences change.
Innovation Solution
A machine with interchangeable extraction units that can accommodate various types of capsules, including paper, plastic, and aluminum, by using removably housed components that adjust to different capsule types and materials, allowing for flexible use of single-dose capsules and adaptable operation parameters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a machine is designed to work with a specific type of capsule, then the machine structure can be simplified and optimized for that capsule type, but the machine loses versatility and cannot accommodate different types of capsules made from different materials
Solution Approach 1:
The machine is divided into a permanent housing and interchangeable extraction units. Each extraction unit is a self-contained module that can be removed and replaced independently, allowing different capsule types to be accommodated through unit substitution rather than machine redesign
Solution Approach 2:
The permanent housing is designed with universal features that can accommodate multiple types of extraction units. The housing includes a removable capsule support, liquid supply connection, and collection system that work with various capsule formats, making the overall machine versatile while maintaining structural simplicity
2Adaptability or versatility
If multiple different machines are purchased to accommodate different capsule types, then each machine can be optimized for its specific function, but the total cost increases and more machines need to be replaced when preferences change
Solution Approach 1:
A single machine housing can accommodate multiple types of extraction units through the interchangeable unit system, eliminating the need for multiple separate machines. The universal housing design with standardized connection points allows one machine to perform multiple beverage preparation functions
Solution Approach 2:
By separating the machine into permanent housing and interchangeable extraction units, the system allows users to swap units rather than replace entire machines. This segmentation reduces the quantity of machines needed from multiple complete units to a single housing with various interchangeable components
3Ease of manufacture
If the machine structure is made fixed and dedicated to one capsule type, then manufacturing and maintenance become simpler, but the machine requires higher replacement rate when consumer preferences change
Solution Approach 1:
The extraction unit is designed as a separate, interchangeable component that can be manufactured independently and replaced easily. This segmentation allows the permanent housing to be manufactured once with fixed, simple structures, while adaptation to new capsule types is achieved through replacing the extraction unit rather than remanufacturing the entire machine
Solution Approach 2:
The interchangeable extraction unit is designed as a replaceable component that can be discarded after use and replaced with a different unit type. This allows the permanent housing to be retained and reused, recovering the investment in the main machine structure while adapting to changing preferences through unit replacement
Data Source
Figure 1A~1D
Figure 1E~8
Figure 1G~5F
AI summary
Machine for preparing expresso coffee from a capsule preparation (E; F; C; P; T) in the form of a granular infusion, comprising: a housing for an interchangeable extraction unit receiving the capsule and allowing the extraction of the related beverage therefrom; and a ram (14, 16, 18) supplying liquid, providing to the extraction unit an extraction liquid that passes through the capsule, wherein the overall arrangement is such that the housing can receive extraction units of different type, so as to allow, in the same machine, the use of capsules of different type (Figure 8).