Ergonomic Beverage Machine Service Unit With Angled Air Passages
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Solution Overview
Problem
Beverage preparation machines face issues with moisture accumulation and liquid projections due to air circulation openings in service units, which hinder efficient waste management and lead to clogging.
Innovation Solution
The design incorporates an upright wall with angled through-passages in the service unit to inhibit liquid projections from exiting, combined with a dampening chamber and anti-clogging features to manage waste effectively.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If through-openings are provided in the service unit wall for air circulation, then moisture accumulation is reduced, but liquid projections can pass through to the outside of the machine
Solution Approach 1:
The through-opening is segmented into an upper portion and a lower portion by a horizontal partition. The upper portion allows air circulation to prevent moisture accumulation, while the lower portion is positioned below the liquid projection level to block liquid from passing through to the outside of the machine.
Solution Approach 2:
The solution introduces a vertical dimension to the opening design by creating different levels (upper and lower portions) within the same wall structure. This vertical segmentation allows simultaneous achievement of air circulation (upper portion) and liquid blocking (lower portion) functions.
2Object-generated harmful factors
If the service unit wall is made solid to prevent liquid projections, then liquid passage is blocked, but moisture accumulation increases
Solution Approach 1:
Instead of making the entire wall solid, only the lower portion is effectively solidified by positioning it below the liquid projection level. The upper portion remains open for air circulation, thus preventing moisture accumulation while still blocking liquid projections through the lower closed section.
3Ease of operation
If the service unit is designed with removable receptacle for waste capsules, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The service unit integrates multiple functions including the receptacle for waste capsules, the upright wall with segmented through-openings for air circulation and liquid blocking, and the liquid collection tray into a single unified structure. This merging reduces overall system complexity while maintaining ease of operation through the removable receptacle 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
This configuration prevents liquid from passing through the air circulation openings, reducing moisture accumulation and clogging, while allowing air circulation for drying, thus enhancing the efficiency and usability of the service unit.
Implementation Method 1
allowing air circulation for drying
Implementation Method 2
air circulation from inside the cavity to outside the machine
Implementation Method 3
residual liquid projecting from the chamber when opened to remove the capsule is inhibited from passing through the at least one through-passage
Data Source
Figure 1~9
Figure 4~8
AI summary
A beverage preparation machine (1) has: an extraction unit with a closed configuration for extracting a capsule (2) therein and an open configuration for removing the used capsule (2) therefrom; and a service unit (10) located under the extraction unit (20) and forming a receptacle having a collection cavity (11) for collecting the used capsule (2) and residual liquid projections (3) from the extraction unit (20). The service unit (10) has an upright wall (130) delimiting at least one through- passage (131) for favouring air circulation from inside the cavity (11) to outside the machine (1). The through- passage (131) is angled away from the direction of the liquid projections from the extraction unit (20) so as to inhibit the passage of the liquid projections through the through-passages.