Brewer Filter Tape Design to Prevent Sealing Surface Contamination
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Solution Overview
Problem
Existing brewing systems face issues with loose coffee grounds accumulating and affecting the functionality, leading to poor sealing and inefficient brewing processes.
Innovation Solution
A brewer system with a reservoir, a movable steep chamber, and a filter tape positioned between the chamber and the reservoir, where the filter tape wipes off loose brewing substances from a raised platform, ensuring a seal is formed around the mouth of the reservoir, and a controller manages the brewing process, including water and substance delivery, agitation, and vacuum operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If loose coffee grounds are allowed to accumulate on the sealing surface, then the brewing process can proceed without additional cleaning mechanisms, but the sealing quality deteriorates and brewing efficiency decreases
Solution Approach 1:
The filter tape performs dual functions: filtering the brewed beverage and simultaneously cleaning the sealing surface by wiping away loose coffee grounds as it moves across the surface. This self-cleaning mechanism eliminates the need for separate cleaning operations while maintaining reliable sealing quality.
2Reliability
If a filter tape is introduced to wipe loose brewing substance, then sealing quality improves, but device complexity increases
Solution Approach 1:
The filter tape is designed to perform multiple functions simultaneously: it filters the brewed beverage as it passes through, cleans the sealing surface by wiping loose coffee grounds, and maintains the seal integrity. By combining these functions into a single component, the system achieves improved sealing quality without proportionally increasing complexity.
3Reliability
If the filter tape continuously wipes the sealing surface, then filter cleanliness is maintained, but energy consumption increases
Solution Approach 1:
The filter tape operates in periodic cycles, moving across the sealing surface to wipe loose coffee grounds during specific phases of the brewing process, then remaining stationary or moving minimally during other phases. This periodic operation maintains filter cleanliness while minimizing unnecessary energy consumption from continuous movement.
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 system effectively prevents loose substances from interfering with the brewing process, ensuring consistent sealing, efficient brewing, and optimized brewing cycles, reducing downtime between brews and maintaining filter cleanliness.
Implementation Method 1
the filter tape wipes loose brewing substance off of the sealing surface of the raised platform as the filter tape moves relative to the reservoir
Implementation Method 2
a vacuum operation
Data Source
AI summary
A brewer system includes a reservoir, a steep chamber movable relative to the reservoir and positioned over a mouth of the reservoir, and a filter tape positioned between the chamber and the reservoir. Brewing substance and water are added to the chamber to form a brewed beverage that passes through the filter tape and into the reservoir through the mouth.