Coffee Maker Brew Process Control for Customizable Taste Profiles

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Solution Overview

Problem

Current home coffee makers are limited in their ability to provide customizable brewing options, often relying on prepackaged pods and lacking advanced control over variables like grind size, water temperature, and coffee-to-water ratio, which restricts users' ability to experiment with various coffee types and preferences.

Innovation Solution

A system and method for controlling the brew process of a coffee maker that includes automated control over grind size, filter size, water temperature, brewing temperature, coffee-to-water ratio, and dissolved solids, allowing for customizable brewing based on user preferences and taste profiles, with optional sensor feedback for precision or manual settings for cost-effective open-loop implementations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If prepackaged pods are used for simplified brewing, then ease of operation is improved, but adaptability is worsened

Engineering Contradiction:
Improvebrewing process simplicityVSAvoidcoffee options
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The patent uses disposable coffee capsules that are pre-filled with ground coffee. These single-use capsules provide the convenience of prepackaged pods while allowing users to try different coffee types and brands, thus maintaining adaptability. The disposable nature eliminates the need for cleaning and maintenance, simplifying the brewing process.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

2Ease of operation

If closed ecosystem with prepackaged pods is used, then ease of operation is improved, but adaptability is worsened

Engineering Contradiction:
Improvebrewing process simplicityVSAvoidcoffee types
Core Design Contradiction:
Ease of operationVSAdaptability or versatility

Solution Approach 1:

The coffee maker is designed with a universal brewing system that can accommodate multiple types of coffee capsules from different brands and manufacturers. The machine can brew various coffee types including espresso, filter coffee, and instant coffee using the same basic mechanism, providing both simplicity and versatility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If automated control over multiple brewing variables is implemented, then adaptability is improved, but device complexity is worsened

Engineering Contradiction:
Improvebrewing customizationVSAvoidcontrol system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system allows users to adjust key brewing parameters such as water temperature, brewing time, and coffee-to-water ratio through a simple digital interface. The microcontroller automatically manages the complex interactions between these parameters, providing high adaptability without requiring the user to understand the underlying complexity.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent incorporates sensors that monitor brewing conditions and provide feedback to the control system. This feedback mechanism allows the microcontroller to automatically adjust brewing parameters in real-time, achieving precise control over multiple variables while keeping the user interface simple and intuitive.

Inventive Principle:
Principle #23Feedback

4Manufacturing precision

If sensor feedback is added for precision control, then manufacturing precision is improved, but device complexity is worsened

Engineering Contradiction:
Improvebrew control precisionVSAvoidsensor system
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent replaces complex mechanical sensing systems with electronic sensors and a microcontroller-based control system. This substitution allows for precise measurement and control of brewing parameters such as temperature and timing while reducing mechanical complexity and improving reliability through solid-state electronics.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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 consistent, customizable coffee brewing across different coffee types and preferences, providing greater flexibility and control, allowing users to adapt brewing processes for individual or group tastes, and facilitating the use of various coffee beans and types beyond prepackaged pods.

Implementation Method 1

a heating element 136 and a temperature sensor 138

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Data Source

PatentUS20240138611A1System and method for controlling the brew process of a coffee maker
Publication Date: 2024.05.02 AUROMA BREWING CO
  • US20240138611A1 patent drawing
  • US20240138611A1 patent drawing
  • US20240138611A1 patent drawing

AI summary

A coffee brewing system and method that includes a brew chamber that holds a brew solution during a brew cycle and dispenses the brew solution; a water system that dispenses water into the brew chamber; a content sensing system that measures the brew solution contents added to the brew chamber; a temperature control system with a heating element and a temperature sensor; at least one recirculating processing loop with a particle monitor system, wherein the recirculating processing loop circulates brew solution extracted from the brew chamber; and a control system that is communicatively coupled to the content sensing system, the temperature control system and the particle monitor system during a brew cycle, wherein the control system controls a brew cycle based on a selected a specified taste profile.