Coffee Maker with Accelerated Extraction for Multiple Brewing Cycles
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Solution Overview
Problem
Existing coffee makers fail to combine low cost, high speed, and high-quality coffee production, particularly due to inefficiencies in resource usage and bitterness issues associated with traditional brewing methods.
Innovation Solution
A coffee-making system that employs multiple extractions and accelerated extraction techniques using a brew chamber and coffee chamber with a pressure differential device, allowing for rapid extraction of coffee with less coffee grounds and minimizing bitterness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If siphon brewing method is used, then coffee flavor quality is improved, but extraction time becomes too long for practical use
Solution Approach 1:
The system performs preliminary actions by pre-heating water and pre-positioning coffee grounds in the brew chamber before the actual extraction begins. The microprocessor controller pre-configures the brewing parameters and initiates water heating in advance, so that when extraction starts, all conditions are already optimized and ready, reducing the actual extraction time while maintaining quality.
Solution Approach 2:
The invention changes key parameters of the brewing process including water temperature control, pressure differential application, and extraction time optimization. The microprocessor controller dynamically adjusts these parameters during brewing to achieve optimal flavor extraction in reduced time, deviating from traditional fixed-parameter siphon brewing.
2Manufacturing precision
If percolator brewing is used, then coffee flavor is improved, but bitterness occurs when left on high heat for too long
Solution Approach 1:
The system incorporates feedback mechanisms through the microprocessor controller that monitors brewing parameters in real-time. Based on sensor data about water temperature, flow rate, and extraction progress, the controller automatically adjusts heating power and water flow to prevent over-extraction and bitterness, while maintaining optimal flavor extraction.
Solution Approach 2:
The brewing process is made dynamic rather than static. The system continuously adjusts water flow rate, heating intensity, and pressure differential during the brewing cycle based on real-time conditions, allowing the process to adapt and optimize itself to prevent bitterness while maintaining flavor quality.
3Device complexity
If traditional coffee makers are used, then simplicity and low cost are maintained, but efficiency in coffee bean usage and production speed are insufficient
Solution Approach 1:
The brew chamber is designed as a multi-functional universal component that can accommodate different coffee brewing methods and configurations. The same basic chamber structure supports various extraction techniques, allowing the system to maintain simplicity in core design while achieving high productivity through programmable control and optimized processes.
Solution Approach 2:
The invention replaces manual mechanical brewing operations with automated electronic control systems. The microprocessor controller automates water flow control, heating regulation, and extraction timing, significantly increasing production speed and coffee bean usage efficiency while maintaining ease of operation through simple user interfaces.
4Loss of substance
If multiple extractions are performed from single grinds, then coffee bean usage efficiency is improved, but system complexity increases
Solution Approach 1:
The system enables continuous useful action by performing multiple sequential extractions from the same coffee grounds without requiring intermediate processing or disposal steps. The microprocessor controller automatically manages the sequence of extractions, water replenishment, and coffee collection, maintaining continuous productive operation that maximizes coffee bean usage 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 system produces flavorful coffee with reduced bitterness and lower coffee bean usage, achieving efficient and cost-effective high-quality coffee production.
Implementation Method 1
a pressure differential device, allowing for rapid extraction of coffee
Implementation Method 2
The vacuum source is operable to reduce the pressure in the vacuum chamber in a manner to draw the infusion through the filter and upper opening
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A coffee brewing system (1) includes a brew chamber (110), a coffee chamber (120), a filter device (130), and an accelerated extraction device (105) configured to accelerate a flow of coffee from the brew chamber to the coffee chamber. During a first brewing process, a controller (140) directs a first volume of hot water into the brew chamber to form a first a volume of coffee for delivery from the brew chamber into the coffee chamber. During a second brewing process, the controller directs a second volume of hot water into the brew to form a second volume of coffee for delivery into the coffee chamber to mix with the first volume of coffee. The controller activates the accelerated extraction device to move at least one of the first and second volumes of coffee.