Compact Brewing Assembly for Steep-Time Control and Leak Prevention
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Solution Overview
Problem
Existing manual brewing devices for coffee and tea lack control over steep time, are often bulky, prone to hot water leaks, and are not portable or scalable for brewing multiple cups, leading to inconsistent flavor and inconvenience.
Innovation Solution
A compact brewing assembly comprising a vessel, filter component, exterior sleeve, and cap, which allows for controlled steep time, prevents leaks, and is collapsible and portable, enabling brewing of multiple cups with a scalable design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional manual brewing devices (French press, pour over) are used, then brewing is simple and device structure is basic, but steep time cannot be controlled and flavor consistency is poor
Solution Approach 1:
The brewing device incorporates a plunger mechanism that dynamically controls the steep time by allowing the user to press down at any desired moment. The plunger moves from an initial position to a final position, and the time taken for this movement determines the steep duration. This dynamic control enables precise timing while maintaining operational simplicity.
Solution Approach 2:
The device provides visual feedback through a transparent or translucent brewing chamber that allows the user to observe the brewing process in real-time. The user can see the liquid level, coffee grounds saturation, and brewing progress, enabling them to make informed decisions about when to stop the steeping process and press the plunger.
2Measurement precision
If devices that provide control over steep time are used, then steep time control is improved, but device size becomes bulky and portability is reduced
Solution Approach 1:
The brewing device employs a nested structure where the filter assembly is contained within the brewing chamber, and the plunger moves within the same chamber space. The components are arranged concentrically and efficiently utilize vertical space, allowing the device to maintain compact dimensions while incorporating all necessary elements for controlled steeping.
Solution Approach 2:
The device transitions from a horizontal expansion layout to a vertical compression layout. By utilizing the vertical dimension for the plunger movement and stacking components vertically, the device achieves compact footprint suitable for portable use while maintaining the functional space required for steep time control.
3Device complexity
If conventional brewing devices are used, then device structure is simple, but hot water leaks occur and reliability is poor
Solution Approach 1:
The device incorporates flexible sealing elements including gaskets and O-rings made from heat-resistant elastomers that conform to the mating surfaces of the brewing chamber and filter assembly. These flexible seals create reliable barriers against hot water leakage while maintaining the simplicity of the overall device structure through their ability to self-adjust to minor surface irregularities.
Solution Approach 2:
The brewing device utilizes composite construction with heat-resistant materials for the brewing chamber (such as borosilicate glass or high-temperature plastic) combined with heat-resistant sealing materials (silicone or fluorocarbon rubber). This composite approach ensures both structural integrity and leak prevention under hot water conditions without significantly increasing device complexity.
4Ease of operation
If conventional brewing devices are used, then single cup brewing is simple, but scalability for multiple cups is limited
Solution Approach 1:
The brewing device is designed with a scalable brewing chamber that can accommodate varying amounts of coffee grounds and water volumes. The same basic mechanism and components can be used for brewing single cups or multiple cups by simply adjusting the quantities of ingredients, making the device universal for different brewing quantities without requiring separate equipment.
Solution Approach 2:
The device allows preliminary preparation by measuring and placing coffee grounds in the brewing chamber before adding hot water. This preliminary action enables the user to prepare for single or multiple cups in advance, and the same setup can be scaled by adjusting water volume and grounds quantity, providing versatility while maintaining operational simplicity.
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 compact brewing assembly provides precise control over steep time, prevents hot water leaks, and is portable and scalable, ensuring consistent flavor and convenience in brewing coffee or tea for one or more cups.
Implementation Method 1
The filter component includes a filter material that filters the mixture as the mixture passes through the filter material
Implementation Method 2
The filter component includes a biasing element. A downward force is applied to the cap or exterior sleeve, which causes the biasing element to open at least one finished brew channel
Data Source
AI summary
A compact brewing assembly and method is described. The compact brewing assembly includes a vessel, a filter component, an exterior sleeve and a cap. The vessel includes a vessel top and a vessel bottom, wherein the vessel top includes a fastening component. The filter component is removably coupled to the fastening component of the vessel top. The exterior sleeve includes a top exterior sleeve and a bottom exterior sleeve slidably coupled to the filter component. The cap is removably coupled to the top exterior sleeve.