Coffee Processing Apparatus with VOC Sensing for Flavor Consistency
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Solution Overview
Problem
Coffee brewing apparatuses face challenges in producing consistently flavored coffee due to the aging of coffee beans, leading to the need for frequent purchases of fresh coffee and wastage of stale products.
Innovation Solution
A coffee processing apparatus with a sensor to measure volatile organic compounds (VOCs) that controls the grinding and brewing stages to compensate for coffee aging, adjusting the amount and granularity of ground coffee and water dispensing based on VOC concentrations to maintain flavor consistency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If coffee beans are stored for extended periods, then the need for frequent purchases is reduced, but the flavor quality deteriorates due to aging
Solution Approach 1:
The patent employs a sensor to detect volatile organic compounds (VOCs) released by coffee beans and feeds this information back to a controller. The controller adjusts brewing parameters based on the detected VOC concentration, which indicates the age and flavor quality of the coffee beans. This closed-loop feedback system enables the apparatus to compensate for aging effects and maintain consistent flavor quality even when storing coffee beans for extended periods.
2Reliability
If the brewing process is adjusted to compensate for aging, then flavor consistency is improved, but device complexity increases due to additional sensors and controllers
Solution Approach 1:
The patent replaces complex mechanical or manual assessment methods with a sensor-based detection system. Instead of requiring manual evaluation of coffee freshness or complex brewing adjustments, the system uses a sensor to detect volatile organic compounds and automatically controls the brewing process. This substitution of mechanical/manual systems with sensor-based automation achieves flavor consistency while keeping the added complexity manageable.
3Manufacturing precision
If volatile organic compounds are measured to determine coffee age, then brewing precision is improved, but measurement precision requirements increase
Solution Approach 1:
The patent changes the measurement parameter from direct assessment of coffee age or flavor (which would require high precision) to detection of volatile organic compounds. By measuring VOC concentration, a parameter that naturally varies with coffee aging, the system achieves brewing precision through a more feasible measurement approach. The controller uses the relative changes in VOC levels to adjust brewing parameters, rather than requiring absolute precision in age determination.
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 apparatus ensures a consistent flavor in brewed coffee by adjusting brewing parameters according to VOC levels, reducing waste and the need for frequent coffee purchases by processing coffee beans based on their age and quality.
Implementation Method 1
a sensor arranged to sense a total concentration of volatile organic compounds released by said coffee beans or ground coffee beans
Data Source
AI summary
A coffee processing apparatus (100, 200, 300) is disclosed that comprises at least one of a grinding stage (110) for grinding coffee beans (10) into ground coffee beans (20); and a brewing stage (140) for brewing coffee from ground coffee beans; the coffee processing apparatus further comprising a sensor (150) arranged to sense a total concentration of volatile organic compounds released by said coffee beans or ground coffee beans; and a controller (160) responsive to said sensor and arranged to control said grinding stage and/or said brewing stage as a function of said total concentration. Methods of controlling such a coffee processing apparatus are also disclosed.