Coffee Brewer Parameter Control for Consistent Flavor Replication
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Solution Overview
Problem
Current coffee brewing technologies lack the ability to accurately and consistently replicate the flavor profile of coffee beans across different brewing conditions, such as coffee bean type, roast batch, and environmental factors, leading to inconsistent coffee experiences.
Innovation Solution
A method and apparatus that identify specific coffee beans through data from packaging, retrieve corresponding recipes, and adjust brewing parameters like temperature, steep time, and grind profile to ensure consistent flavor replication, using QR codes, RFID tags, and sensors to integrate environmental and machine conditions into the brewing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional brewing methods are used, then brewing process is simple, but flavor consistency across different conditions cannot be achieved
Solution Approach 1:
The system performs preliminary actions by pre-storing optimal brewing parameters (temperature, time, pressure, grind size) in a database before actual brewing occurs. Each coffee bean is pre-characterized with its ideal brewing conditions, allowing the system to automatically retrieve and apply these parameters during brewing to ensure consistent flavor reproduction across different locations and conditions.
Solution Approach 2:
The system implements feedback mechanisms through sensors that monitor actual brewing conditions (water temperature, brew time, coffee bed pressure) and compare them against target parameters. This feedback loop allows real-time adjustments to maintain precise brewing conditions, ensuring flavor consistency even when environmental conditions vary.
2Adaptability or versatility
If brewing parameters are standardized, then brewing process is easy to operate, but adaptability to different coffee beans is reduced
Solution Approach 1:
The system applies local quality by customizing brewing parameters specifically for each coffee bean variety, roast batch, and origin. Instead of using universal brewing settings, the system retrieves location-specific optimal parameters from the database based on the particular coffee being brewed, allowing each coffee to receive its ideal brewing treatment while the system remains easy to operate through automated parameter selection.
Solution Approach 2:
The system dynamically changes brewing parameters (temperature, time, pressure, agitation) based on the specific coffee bean characteristics. The database stores multiple parameter sets that are automatically selected and applied according to the coffee variety, roast level, and desired flavor profile, enabling high adaptability without requiring user expertise in adjusting each parameter manually.
3Manufacturing precision
If manual brewing adjustment is used, then brewing precision can be achieved, but time consumption increases
Solution Approach 1:
The system performs self-service by automatically selecting, retrieving, and applying optimal brewing parameters without requiring manual adjustment by the user. The brewing machine autonomously configures temperature, time, pressure, and other parameters based on the coffee bean identity, eliminating the time-consuming process of manual parameter optimization while maintaining high brewing precision through database-stored expert parameters.
4Measurement precision
If environmental factors are considered, then flavor accuracy improves, but system complexity increases
Solution Approach 1:
The system achieves universality by integrating multiple sensing capabilities (temperature, humidity, barometric pressure) and brewing control functions into a single multi-functional platform. The same microcontroller and sensor array that monitor basic brewing conditions also track environmental factors, allowing the system to compensate for environmental variations without requiring separate dedicated systems for each measurement, thus improving flavor accuracy while limiting complexity growth.
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 precise and repeatable coffee brewing by adjusting brewing parameters based on coffee bean characteristics and environmental conditions, ensuring consistent flavor across different brewing sessions and locations.
Implementation Method 1
a boiler (220) including a heating element (222) and a fluid pickup (224), a portion of the boiler (220) arranged vertically below the reservoir (210)
Implementation Method 2
an air pump (260) pumping air into the boiler (220) to displace water from the boiler (220), via the fluid pickup (224), into the brew chamber (230)
Data Source
AI summary
One variation of an apparatus for brewing a beverage includes: a reservoir containing fluid; a boiler including a heating element and a fluid pickup, a portion of the boiler arranged vertically below the reservoir; a brew chamber, a portion of the brew chamber arranged vertically above the boiler; a first contactless valve operable in a first mode and in a second mode, the first contactless valve open in the first mode to communicate fluid from the reservoir into the boiler and closed in the second mode; a second contactless valve operable in the first mode and in the second mode, the second contactless valve open in the first mode to vent gas from the boiler and closed in the second mode; and an air pump configured to displace air into the boiler in the second mode to displace fluid from the boiler, via the fluid pickup, into the brew chamber.