Coffee Machine Parameter Automation for Consistent Beverage Quality
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Solution Overview
Problem
Existing coffee machines require significant user expertise and manual adjustments to optimize brewing parameters, leading to inconsistent coffee quality, especially when using different types of coffee beans, and fail to automatically adapt to the actual machine performance.
Innovation Solution
A coffee machine with an interface that acquires coffee bean characteristics, a memory unit storing optimized operational parameters for various coffee types, and a control unit that automatically adjusts brewing settings, including grinding, water temperature, and infusion pressure, to produce high-quality coffee beverages.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If standardized functioning parameters are used for any type of coffee, then the machine operation is simple, but the coffee beverage quality varies poorly with different coffee characteristics
Solution Approach 1:
The patent implements dynamic parameter adjustment where the machine automatically modifies brewing parameters (temperature, pressure, infusion time, grinding level) based on detected coffee characteristics. The control unit receives coffee type information and dynamically selects optimal parameters from stored profiles, enabling the system to adapt to different coffee varieties while maintaining simple user operation.
Solution Approach 2:
The system stores multiple sets of functioning parameters in a database, each optimized for specific coffee types. When coffee characteristics are identified, the control unit retrieves and applies the corresponding parameter set, changing temperature, pressure, infusion duration, and grinding fineness to match the specific coffee variety being brewed.
2Manufacturing precision
If manual regulation of functioning parameters is required, then the coffee beverage quality can be optimized, but the user requires significant experience and knowledge
Solution Approach 1:
The machine performs self-regulation by automatically detecting coffee type and selecting optimal brewing parameters without user intervention. The control unit autonomously adjusts temperature, pressure, infusion time, and grinding settings based on the detected coffee characteristics, eliminating the need for user expertise while maintaining high beverage quality.
Solution Approach 2:
The system incorporates feedback mechanisms where the control unit receives information about coffee characteristics (through user input or sensors) and automatically adjusts parameters based on this feedback. The system continuously monitors brewing parameters and modifies them in real-time to achieve optimal extraction for the specific coffee type being used.
3Manufacturing precision
If functioning parameters are manually adjusted for each coffee type, then the coffee quality is optimized, but the time and complexity of operation increase
Solution Approach 1:
The system pre-stores optimized parameter sets for multiple coffee types in its database before operation. When a coffee type is identified, the control unit immediately retrieves the pre-configured parameters, eliminating the need for real-time manual adjustment. This preliminary preparation of parameter profiles enables instant optimization without adding operational time or 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 enables inexperienced users to consistently produce high-quality coffee by automatically optimizing brewing parameters based on coffee bean type and machine performance, ensuring optimal flavor and aroma.
Implementation Method 1
heating means to heat the water fed to the infusion unit
Implementation Method 2
a grinding unit configured to grind the coffee beans and obtain a coffee powder with the desired granulometry
Implementation Method 3
an infusion unit comprising an infusion chamber suitable to contain a quantity of coffee powder to be subjected to infusion
Data Source
AI summary
A machine for preparing coffee beverages comprises an infusion unit comprising an infusion chamber suitable to contain a quantity of coffee powder to be subjected to infusion, a grinding unit to grind coffee beans and obtain coffee powder, a water tank connected to the grinding unit, means for feeding and heating the water, and a dispensing unit fluidically connected to the infusion unit and configured to dispense the beverage prepared into a receptacle. The invention also concerns a method to regulate a machine for preparing coffee beverages.