Capsule Handler Positioning for Centrifugal Beverage Preparation
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Solution Overview
Problem
Existing beverage preparation machines using centrifugation for capsule-based beverage preparation face challenges in efficient handling and processing of capsules, leading to potential misalignment and increased stress during rotation, which can result in vibrations and wear on the machine.
Innovation Solution
A capsule processing machine with first and second capsule handlers that are movable between a transfer configuration and a processing configuration, featuring a positioning device to maintain angular alignment and a handler support device to minimize stress and vibrations during centrifugation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If capsules are handled by motorized opening and closure systems during centrifugation, then capsule processing automation is improved, but misalignment and stress during rotation increase
Solution Approach 1:
The capsule handling system is divided into separate functional modules: a capsule holder for secure positioning, a brewing device for processing, and motorized actuators for opening/closure. This segmentation allows each component to be optimized independently, with the holder providing stable positioning while actuators provide automated control, thereby maintaining automation while improving alignment reliability through dedicated positioning features.
Solution Approach 2:
The capsule holder is designed with pre-configured alignment features and positioning mechanisms that prepare the capsule for centrifugation before rotation begins. The holder maintains precise angular alignment during the transition from loading to processing, preventing misalignment issues that would otherwise occur during high-speed rotation.
2Productivity
If capsules are rotated at high speed for centrifugation, then beverage preparation efficiency is improved, but vibrations and wear on the machine increase
Solution Approach 1:
The capsule holder is designed with counterbalancing features and symmetric mass distribution that compensate for centrifugal forces during high-speed rotation. This counterbalancing reduces vibrations generated by the rotating capsule, allowing efficient centrifugation while minimizing harmful vibrations and wear on the machine components.
Solution Approach 2:
The system incorporates vibration damping elements and shock-absorbing features in the capsule holder and mounting structure. These elements are pre-positioned to cushion against the vibrations and stresses that occur during high-speed centrifugation, protecting the machine from wear while maintaining the high rotational speeds needed for efficient beverage preparation.
3Ease of operation
If motorized actuators are used for opening and closure during centrifugation, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The motorized actuators are designed as multi-functional components that perform multiple operations: opening the capsule holder, closing the holder, and potentially positioning the capsule. By consolidating these functions into single actuators with programmable control, the system achieves ease of operation through automated multi-functionality while minimizing the number of separate components, thereby reducing overall device complexity.
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
The machine effectively prepares beverages by maintaining precise capsule alignment and reducing stress and vibrations, leading to improved centrifugation efficiency and extended machine lifespan.
Implementation Method 1
The beverage is prepared by circulating a liquid into the capsule and centrifugally driving the capsule
Implementation Method 2
creating a gradient of pressure of liquid in the capsule. Such pressure increases gradually from the centre towards the periphery of the capsule
Data Source
AI summary
A capsule processing machine (1) is configured for preparing a beverage from a capsule (5) having a body containing an ingredient by circulating a liquid into such capsule (5) and centrifugally driving such capsule (5). The machine (1) has a first capsule handler (10) and a second capsule handler (20) that are movable one relative to the other from: a capsule transfer configuration for receiving/releasing the capsule (5); to a capsule processing configuration for centrifuging the capsule (5) about a processing axis (30′). At least one of the first and second capsule handlers (10, 20) is fixed to or integral with or connected to a positioning device (30″, 40″) configured to position such capsule handler(s) (10, 20) at a predetermined angular position about the processing axis (30′) when the capsule handlers (10, 20) are in the capsule transfer configuration.