Steeping apparatus and methods for brewing a beverage
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Solution Overview
Problem
The French press coffee method suffers from grounds remaining in contact with brewed coffee, leading to bitterness over time, and existing alternatives often involve expensive machinery or proprietary pods, causing environmental concerns and inefficient coffee use.
Innovation Solution
A steeping apparatus with a partitioned container that separates brewing material from the beverage, trapping air below the partition to prevent mixing and allowing for efficient extraction of flavors without bitterness, using a container that can be reusable or disposable.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If coffee grounds remain in contact with brewed coffee in the container, then the brewing process is simple and equipment is minimal, but the coffee becomes very strong and bitter over time
Solution Approach 1:
The brewing container is divided into two separate chambers by a partition: an upper chamber for brewing coffee and a lower chamber for collecting brewed coffee. This segmentation allows the coffee grounds to remain in the upper chamber while the brewed coffee is collected in the lower chamber, preventing over-extraction and bitterness while maintaining a simple device structure.
2Object-generated harmful factors
If a buffer element is added to decouple coffee grounds from brewed coffee, then bitterness is reduced, but the device complexity increases and the buffer becomes difficult to lower through the coffee
Solution Approach 1:
Instead of using a complex buffer element that must be lowered through coffee, the invention uses a fixed partition with a hole that naturally separates the brewing chamber from the collection chamber. This segmentation achieves decoupling of coffee grounds from brewed coffee without adding complex moving parts or buffers.
3Reliability
If espresso machines are used to produce high quality coffee, then coffee quality is improved, but coffee grounds consumption increases leading to environmental pressure
Solution Approach 1:
The invention changes the brewing parameters by allowing longer steeping time at lower pressure compared to espresso machines. The partitioned design enables the coffee grounds to be used more efficiently, extracting full flavor without requiring the high coffee-to-water ratio needed for espresso, thus reducing coffee grounds consumption while maintaining quality.
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 effectively decouples brewed coffee from coffee grounds, preventing bitterness and reducing coffee consumption, thus offering an environmentally friendly and cost-effective method for brewing high-quality coffee comparable to French press methods.
Implementation Method 1
the partition being substantially impervious to air outside the central region, the apparatus being configured such that in use, a volume of air is trapped within the lower chamber below the partition as the container is filled with liquid
Implementation Method 2
the partition having a central region having at least one first aperture for fluidly interconnecting the upper and lower chambers, the partition outside the central region being substantially impervious to air
Data Source
AI summary
A steeping apparatus (10) includes a container (12) and a partition (22) dividing the container into upper and lower chambers (24, 26). The partition has a central aperture (32, FIG. 2) which interconnects the chambers and is arranged to trap a volume of air 38 in the lower chamber when the container is filled with liquid. Hot water poured into the upper chamber (24) passes through the aperture to partially fill the lower chamber, trapping a volume of air (38). Brewing material (34) located in the upper chamber (24) steeps in the hot water to produce a beverage and gradually sinks into the lower chamber (26) through the aperture. The air (38) trapped in the lower chamber applies a force to the liquid inhibiting movement of liquid between the chambers so that the brewing material (34) is isolated from the beverage. In other embodiments, the partition is pressed down through the container after brewing to isolate the brewing material.