Brewing apparatus with air suction for cold extraction and brewing method thereof
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Solution Overview
Problem
Current cold extraction methods for beverages, such as cold brewed coffee and tea, are inefficient due to long brewing times, which hinders the popularity and commercial viability of cold extraction beverages.
Innovation Solution
A brewing apparatus with air suction that creates a subatmospheric environment using an air suction device, allowing for the extraction of brewing ingredients with cold water in a shorter time, utilizing a pot body, cover body, air suction device, liquid outflow switch, filter basket, and clamping mechanisms to efficiently extract flavors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If cold water is used for brewing, then the taste quality is improved (smoother, less astringency), but the brewing time becomes excessively long
Solution Approach 1:
The invention changes the pressure parameter from atmospheric pressure to subatmospheric pressure (vacuum environment). By reducing the pressure inside the brewing chamber, the extraction process is accelerated significantly, reducing brewing time from over 12 hours to just 1-2 hours while maintaining the quality benefits of cold extraction
Solution Approach 2:
The invention uses an air suction device to create a vacuum environment and employs pressure differential mechanisms (including a pressure equalization chamber and control valve) to manage fluid flow. The pressure difference between the brewing chamber and external environment drives the extraction process and controls liquid flow through the coffee grounds
2Loss of time
If hot water is used for brewing, then the brewing time is short, but the taste quality deteriorates (extracts sour and bitter substances)
Solution Approach 1:
The invention changes the temperature parameter from hot to cold water, and compensates for the slower extraction kinetics by introducing pressure changes. The subatmospheric pressure accelerates the extraction process, achieving fast brewing without the negative taste effects associated with hot water extraction
3Object-affected harmful factors
If cold extraction method is used, then the taste quality is improved (smoother, sweeter), but the productivity is reduced due to long brewing time
Solution Approach 1:
By changing the pressure parameter to subatmospheric conditions, the invention accelerates the mass transfer and extraction kinetics, increasing productivity from 1 batch per 12+ hours to multiple batches per day while preserving the superior taste quality of cold extraction
Solution Approach 2:
The invention enables continuous operation through features like the pressure equalization chamber and control valve system, allowing for sequential brewing cycles. The apparatus can maintain continuous extraction and filtration processes, significantly improving overall productivity compared to traditional batch cold brewing
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 significantly reduces extraction time and improves efficiency, producing high-quality cold-extraction beverages with improved taste by using a subatmospheric environment, making the process more practical and economically viable.
Implementation Method 1
an air suction device, arranged on the cover body, applied to sucking air out of the pot body and achieving a subatmospheric environment
Data Source
AI summary
The present invention discloses a brewing apparatus with air suction for cold extraction and a brewing method thereof, the apparatus adopts a air suction device to suck air out of a pot body and achieves a subatmospheric environment, by adopting the subatmospheric environment together with the cold water, it is able to extract a plurality of brewing ingredients effectively, and be able to shorten an extraction period while improving an extraction efficiency, which is favorable for a popularization of cold extraction beverage, and the brewing apparatus with air suction for the cold extraction is convenient to use, having a low manufacturing cost. The apparatus is able to prepare a cold-extraction beverage ready just after a simple operation, thus having a good economic efficiency and practicality.