Espresso Machine Reservoir Layout for Compact Brewing and Water Quality
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Solution Overview
Problem
Household beverage machines, particularly espresso machines using cartridges or pods, face challenges in reducing space occupation without compromising beverage quality, as existing designs often diminish the water reservoir's size, leading to issues like scale formation, microbial proliferation, evaporation, and component damage.
Innovation Solution
A machine design where the water reservoir is movable and can be partially extracted for topping up without interrupting the brewing process, keeping it away from heat sources, and featuring a lid with a connector system to prevent separation, allowing for reduced space occupation and maintaining water quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the water reservoir is made smaller to reduce space occupation, then the machine occupies less space, but the water quality deteriorates due to scale formation, microbial proliferation, and evaporation
Solution Approach 1:
The water reservoir is extracted from the traditional lateral position and relocated to the axial position below the support. This extraction allows the reservoir to be partially removed for topping up without interrupting the brewing process, while maintaining adequate water volume to prevent scale formation, microbial proliferation, and evaporation.
Solution Approach 2:
The reservoir is designed to be movable between a working position (fully inserted) and a top-up position (partially extracted). This dynamic positioning allows the reservoir to maintain adequate water volume during operation while enabling easy access for refilling without complete removal, thus preserving water quality.
2Ease of operation
If the reservoir is made detachable for easy filling, then the ease of operation improves, but the structural stability and reliability of the machine deteriorates
Solution Approach 1:
The reservoir is designed with movable capability between working and top-up positions, allowing easy extraction for filling while maintaining structural integrity during operation. The guide rails ensure stable positioning in both states.
Solution Approach 2:
The reservoir system is segmented into movable and fixed components, with the reservoir body able to move along guide rails while remaining hydraulically connected. This segmentation enables easy operation for filling while maintaining overall structural stability through the guided movement mechanism.
3Use of energy by moving object
If the reservoir is kept close to heat sources for efficient heating, then the heating efficiency improves, but the harmful effects increase due to scale formation and water quality degradation
Solution Approach 1:
The reservoir is extracted from the traditional position near heat sources and relocated to the axial position below the support. This spatial extraction reduces exposure to heat sources, minimizing scale formation and water quality degradation while maintaining adequate water volume for efficient heat transfer during the brewing cycle.
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 solution allows for reduced space usage, prevents scale and microbial issues, reduces water loss due to evaporation, and extends the machine's lifespan by maintaining water quality and structural stability, while being easy to maintain and cost-effective.
Implementation Method 1
a pump (5) connected to the water reservoir (4) and adapted to move water from the reservoir (4)
Implementation Method 2
a heating element (not shown) which is adapted to heat the water drawn by the pump (5) to the desired temperature
Implementation Method 3
In order to allow the reservoir (4) to be able to reach the top-up position without uncoupling it from the intake tube (50) of the pump (5), the intake tube (50) is provided with a mouth (52) that can be coupled detachably to a corresponding connector (53) of the reservoir (4)
Data Source
Figure 1
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AI summary
A machine for preparing beverages, particularly for preparing espresso coffee, comprising a base (2) and a head (3) for dispensing the beverage that is provided with an extraction chamber adapted to accommodate a portion of at least one ingredient of the beverage, and in particular a dose of roasted and ground coffee, and connected to a water reservoir (4) by means of a pump (5). The machine comprises a support (6) for a container (6a) of the beverage dispensed by the dispensing head (3). The support (6) of the container of the beverage is interposed axially between the dispensing head (3) and the reservoir (4), so that the dispensing head (3), the support (6) and the reservoir (4) are crossed by an axis (A) that is substantially perpendicular to the base (2).