Milk texturing and dispensing assembly
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Solution Overview
Problem
There is a need for an improved apparatus that can consistently texture and dispense milk for coffee drinks, as existing methods rely heavily on the skill and diligence of baristas, resulting in variability in milk quality.
Innovation Solution
A milk texturing and dispensing assembly that includes a milk inlet arrangement, a heater, a milk pump, a controllable milk line cleaning water source, and a controller that operates the pump and cleaning water source to ensure consistent milk texture and dispensing, with sensors to monitor container qualities and adjust heating and pumping accordingly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual milk texturing by barista is used, then flexibility in operation is maintained, but milk quality consistency deteriorates due to variability in barista skill and diligence
Solution Approach 1:
The system enables self-service operation where the machine automatically performs milk texturing based on pre-programmed parameters. The barista simply needs to place the container and select the drink type, while the machine handles heating, aeration, and dispensing autonomously, ensuring consistent results without requiring skilled manual operation.
Solution Approach 2:
The system incorporates sensors that monitor milk temperature, flow rate, and container characteristics in real-time. This feedback is used by the controller to automatically adjust heating power, pump speed, and aeration intensity to maintain optimal texturing parameters throughout the process, ensuring consistent milk quality.
2Reliability
If automated milk texturing is implemented, then milk quality consistency is improved, but device complexity increases
Solution Approach 1:
The system is designed as a multi-functional integrated unit that combines heating, pumping, aeration, and dispensing functions in a single device. The controller manages all these functions through a unified control algorithm that adapts to different drink types and container configurations, reducing the need for separate manual operations while maintaining consistency.
Solution Approach 2:
The system achieves consistent milk quality by dynamically adjusting key parameters such as heating temperature, pump flow rate, and aeration pressure based on sensor feedback and pre-programmed profiles for different drink types. This parameter control approach ensures reliable results without requiring complex mechanical structures.
3Productivity
If continuous operation is maintained, then productivity is improved, but milk line contamination increases requiring frequent cleaning
Solution Approach 1:
The system maintains continuous milk flow through the dispensing lines during operation, preventing stagnation and reducing the risk of contamination. The pump is designed to maintain adequate flow velocity that prevents milk residue accumulation in the lines, enabling continuous operation without frequent cleaning interruptions.
Solution Approach 2:
The system incorporates automated cleaning cycles that rapidly flush the milk lines using high-velocity water or cleaning solution. This quick cleaning action effectively removes any potential contamination without requiring prolonged downtime, thus maintaining high productivity while addressing contamination concerns.
4Productivity
If automated cleaning is implemented, then operational efficiency is improved, but device complexity increases
Solution Approach 1:
The cleaning system uses a multi-functional approach where a single water source serves both for preparing milk (through the pump) and for cleaning the lines (through the controllable water source). The controller manages both functions through the same actuation mechanism, reducing the need for separate complex cleaning hardware while maintaining operational efficiency.
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 assembly ensures consistent milk texture and dispensing, reducing variability and improving the efficiency of milk preparation for coffee drinks by automating the process based on container qualities and cleaning the milk lines effectively.
Implementation Method 1
a heater for heating the milk
Implementation Method 2
a milk pump in fluid communication with the milk inlet arrangement and the heater and arranged to progress milk from the milk inlet arrangement through the heater
Data Source
AI summary
A milk texturing and dispensing assembly includes a milk pump in fluid communication with a milk inlet arrangement and an outlet for dispensing milk into a container. An aeration assembly is provided to aerate the milk. The aeration assembly is controlled by a controller. A first flow meter senses a first milk volume per unit of time upstream of the aeration assembly and a second flow meter senses a second milk volume per unit of time downstream of the aeration assembly. The controller is configured to operate the aeration assembly taking into account the first milk volume per unit of time and the second milk volume per unit of time and may determine an increase in volume of the milk due to aeration. Consequently, a volume of milk from the outlet can be dispensed corresponding to a volume of the container.