Pressurized Extraction Chamber for Coffee Froth and Flavor Control
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Solution Overview
Problem
Existing methods for extracting flavors from coffee and tea fail to reproduce complex flavors and lack control over extraction parameters, resulting in unsatisfactory beverages with poor froth stability.
Innovation Solution
A method and apparatus that use a closed extraction chamber where a flavor carrier is compressed and pressurized with gas before water or steam is introduced, maintaining pressure for a predetermined time to enhance flavor extraction and froth formation, allowing user-adjustable parameters for flavor and froth quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If water or steam is introduced directly into the extraction chamber without pressurization, then the extraction process is simple and quick, but the flavors are not extracted completely and complex flavors are not developed
Solution Approach 1:
The patent applies preliminary action by pressurizing the extraction chamber with gas before introducing water or steam. This pre-pressurization step prepares the extraction chamber to maintain higher pressure during the extraction process, enabling complete flavor extraction and development of complex flavors without requiring overly complex equipment.
2Manufacturing precision
If the extraction chamber is open during the extraction process, then the operation is simple, but the internal pressure cannot be maintained and flavors are not extracted in a defined manner
Solution Approach 1:
The patent employs dynamics by using a closable extraction chamber that can be sealed during the extraction process to maintain pressure, then opened for dispensing. This dynamic sealing mechanism enables precise control of extraction parameters including pressure and time, while keeping the operation simple through automated control of the chamber closure.
3Quantity of substance
If pressurized gas is introduced before water or steam, then the internal pressure rises and flavors are extracted effectively, but the device requires additional components for gas supply and pressure control
Solution Approach 1:
The patent applies universality by designing a pressurized extraction chamber that serves multiple functions: it acts as both the extraction vessel and the pressure containment chamber. The same chamber that holds the coffee grounds also maintains the pressurized environment, eliminating the need for separate pressure vessels and reducing overall apparatus complexity while achieving effective flavor extraction.
4Quantity of substance
If the extraction chamber volume is large to accommodate loose coffee, then the equipment capacity is high, but the pressure cannot be maintained effectively for flavor development
Solution Approach 1:
The patent uses an intermediary mechanism in the form of a closable seal system that mediates between the large chamber volume needed for loose coffee and the pressure maintenance requirement. The seal acts as an intermediary that allows the chamber to be sealed tightly regardless of its size, enabling pressure to be maintained effectively in large volumes while accommodating significant coffee quantities.
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 approach effectively extracts a wide range of flavors and produces a beverage with a thick, long-lasting froth, allowing for personalized taste preferences and improved flavor development.
Implementation Method 1
Before the step of introducing water or steam into the extraction chamber, a step of introducing pressurized gas into the extraction chamber is executed. In the process, the internal pressure in the extraction chamber rises.
Implementation Method 2
Water or steam for extracting flavours from the flavour carrier is added to the extraction chamber
Implementation Method 3
the flavours are extracted from coffee by means of water
Implementation Method 4
the flavour carrier is compressed to below its initial volume after it is filled into the extraction chamber
Implementation Method 5
the extracted beverage flows out of the extraction chamber by opening and operating a valve
Data Source
Figure 1a
Figure 1b
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AI summary
A method for preparing a hot beverage, in particular a coffee beverage or a tea beverage, with flavours being extracted from a flavour carrier, which is prepared from roasted coffee or dried tea, by means of water or steam, has a plurality of steps: - A predetermined quantity of the flavour carrier, in which the flavours are contained, is added to an extraction chamber which can be closed in a fluid-tight manner in a first step (100). - Water or steam for extracting flavours from the flavour carrier is added to the extraction chamber in a subsequent step (104). - The extracted beverage flows out of the extraction chamber in a subsequent step (106). - Before the step (104) of introducing water or steam into the extraction chamber, a step (102) of introducing pressurized gas into the extraction chamber is executed. In the process, the internal pressure in the extraction chamber rises. A particularly good froth or cream can form on the beverage, in particular on the coffee beverage, on account of the introduction of the pressurized gas.