Rotatable Container Mixing Apparatus for Multi-Mode Milk Frothing
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Solution Overview
Problem
Existing milk frothing units in automatic espresso machines lack user control over frothing performance and mixing characteristics, requiring multiple parts for different frothing preferences or types of milk froth.
Innovation Solution
A mixing apparatus with inner and outer containers that can be oriented in multiple ways to define different passageways, allowing for various mixing chamber configurations and flow restrictions, enabling selection of frothing characteristics such as temperature and foam percentage by adjusting the orientation of the containers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple milk frothing parts are provided for different frothing preferences, then user control over mixing characteristics is improved, but device complexity increases
Solution Approach 1:
The inner container is made rotatable relative to the outer container, allowing dynamic reconfiguration of the passageway alignment. By rotating the inner container to different angular positions, users can select between multiple passageway sets (first, second, third passageways) without changing physical parts, thus achieving multiple frothing characteristics with a single device configuration
Solution Approach 2:
A single inner container is designed to perform multiple functions by rotating to different orientations. Each orientation aligns different passageways with the steam delivery tube, enabling the same container to provide multiple frothing modes (e.g., different foam percentages, temperature controls) that would traditionally require separate dedicated parts
2Adaptability or versatility
If different passageway configurations are used for different frothing types, then mixing characteristics are improved, but ease of operation deteriorates
Solution Approach 1:
Instead of requiring users to replace different parts for different frothing types, the system uses a dynamic rotation mechanism. The user simply rotates the inner container to the desired angular position, which automatically aligns the appropriate passageway set with the steam delivery tube, providing multiple mixing characteristics through a simple rotational operation rather than part replacement
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
Enables users to customize milk frothing characteristics without needing multiple parts, providing flexible mixing options for different beverages by altering the orientation of the containers, which affects the flow rates and dimensions of the passageways.
Implementation Method 1
The liquid rises up a riser passage to a mixer chamber
Implementation Method 2
a first mixing chamber for mixing at least the first fluid and the second fluid
Implementation Method 3
steam is used for heating
Data Source
Figure 1A~1B
Figure 2A~2B
Figure 3A~3B
AI summary
A mixing apparatus comprises inner and outer containers which define mixing fluid passageways between them. The inner container can be received in the outer container with at least two different orientations. Each orientation forms a different set of passageways each including a mixing chamber and a riser passage which leads from the first container to the mixing chamber. The different orientations create different designs of the passageways, to give different mixing functionality.