Vacuum Brewing Chamber for Fast Hot and Cold Extraction
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Solution Overview
Problem
The coffee and tea industry lacks a quick and efficient method for brewing high-quality beverages, with existing technologies relying on outdated processes that fail to provide the versatility of brewing both coffee and tea using hot or cold water within a short timeframe.
Innovation Solution
A vacuum brewing process and apparatus that utilizes a sealed chamber with a vacuum source to reduce pressure, allowing for the brewing of coffee and tea using hot or cold water, with the ability to regulate temperature and vacuum pressure to achieve optimal extraction within a shorter time frame than conventional methods.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional brewing methods are used, then brewing process is simple, but brewing time is too long and quality is insufficient
Solution Approach 1:
The system performs preliminary actions by pre-heating water to optimal temperatures before brewing, pre-steaming coffee grounds to open pores, and pre-cooling for cold brew applications. These preparatory steps are automated and executed before the actual brewing process begins, enabling faster extraction times while maintaining simplicity of operation for the end user.
Solution Approach 2:
The invention utilizes phase transitions of water (liquid to vapor during steaming, vapor to liquid during condensation) and phase changes of coffee compounds (solubilization, extraction) to accelerate the brewing process. The steaming phase opens coffee pores, the brewing phase extracts compounds, and the system controls these phase transitions to achieve rapid high-quality brewing.
2Manufacturing precision
If cold brewing method is used, then extraction quality is optimal, but brewing time is too long (12-24 hours)
Solution Approach 1:
For cold brew applications, the system performs preliminary cooling of water to optimal cold brew temperatures and pre-preps the coffee grounds. The automated system then maintains precise temperature control throughout the extraction process, enabling high-quality cold brew extraction in significantly reduced time compared to traditional 12-24 hour methods.
Solution Approach 2:
The system changes key parameters including water temperature (maintaining cold temperatures for cold brew), pressure (applying vacuum to enhance extraction), and time (reducing from 12-24 hours to much shorter durations). By controlling these parameters precisely, the system achieves optimal extraction quality without requiring extended brewing times.
3Productivity
If vacuum brewing is used, then brewing time is reduced and quality is improved, but equipment complexity increases
Solution Approach 1:
The vacuum brewing system is designed with multi-functionality to handle various brewing types (hot brew, cold brew, espresso-style) using the same core vacuum mechanism. The system can switch between different brewing modes by adjusting parameters rather than requiring separate equipment, thereby reducing overall complexity while maintaining high brewing efficiency and quality across different beverage types.
Solution Approach 2:
The system creates a vacuum (inert atmosphere) environment during brewing to prevent oxidation and preserve flavor compounds. This inert environment accelerates extraction by reducing atmospheric pressure resistance and preventing unwanted chemical reactions. The vacuum chamber serves multiple purposes: enabling faster extraction, preserving quality, and allowing both hot and cold brewing modes, thereby improving efficiency without proportionally increasing complexity.
4Adaptability or versatility
If multiple brewing types are supported, then versatility is improved, but system complexity increases
Solution Approach 1:
The system is designed as a universal brewing platform that can perform hot brewing, cold brewing, espresso-style brewing, and vacuum brewing using the same core apparatus. By incorporating adjustable parameters (temperature, pressure, time, water flow rate) and a vacuum chamber, the system achieves multiple brewing functionalities without requiring separate dedicated machines for each brewing type, thereby maintaining versatility while controlling 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
This method enables the rapid and efficient extraction of desired solids from coffee and tea, reducing brewing time significantly while maintaining quality, and allows for both hot and cold brewing, enhancing the feasibility of commercial production and consumer appeal.
Implementation Method 1
a vacuum source and conduit for reducing pressure in said sealable chamber
Data Source
AI summary
Devices and methods for infusing liquids and/or brewing beverages are described. The present invention relates to an apparatus for brewing beverages comprising a vessel, said vessel comprising a sealable chamber for holding a brewing material and a liquid, and a filter assembly connected to the sealable chamber; a liquid supply and conduit for introducing at least a portion of said liquid supply into said sealable chamber; and a vacuum source and conduit for reducing pressure in said sealable chamber.