Beverage system
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Solution Overview
Problem
Conventional single-serve coffee systems are limited in their ability to produce specialty coffee at home, as they lack control over brewing parameters and generate uneven extraction due to non-uniform water flow, and they contribute to plastic waste, which is unsustainable.
Innovation Solution
A brewing system with adaptable pods of multiple sizes and a brewer that ensures even extraction by varying the pod's dimension for a snug fit, using a holder and wrapper configuration that allows for uniform water flow and pressure control, and is made from sustainable materials to reduce plastic waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional single-serve coffee systems are used, then brewing is simple and quick, but control over brewing parameters is limited and extraction is uneven
Solution Approach 1:
The system dynamically adjusts brewing parameters (pressure, temperature, flow rate) during the brewing cycle based on real-time conditions. The brewer controls water flow rate and pressure dynamically to maintain optimal extraction conditions throughout the brew, resolving the contradiction between simple operation and precise parameter control.
Solution Approach 2:
The system changes multiple brewing parameters simultaneously (water temperature, pressure, flow rate, brew time) to achieve even extraction. By coordinating changes in these parameters, the system provides precise control over the brewing process while maintaining ease of use through automated sequences.
2Productivity
If non-uniform water flow is used in conventional systems, then brewing is faster, but extraction becomes uneven
Solution Approach 1:
The system uses feedback mechanisms to monitor water flow distribution and brewing conditions in real-time. Based on this feedback, the brewer adjusts water flow rate and pressure to maintain uniform extraction across the coffee bed, achieving both fast brewing and even extraction by continuously optimizing parameters during the cycle.
Solution Approach 2:
The system employs hydraulic control mechanisms to regulate water flow precisely. By controlling water pressure and flow rate through hydraulic systems, the brewer ensures uniform water distribution across the coffee grounds while maintaining efficient brewing speed, resolving the contradiction between productivity and extraction uniformity.
3Ease of manufacture
If traditional plastic pods are used, then pod manufacturing is inexpensive, but plastic waste is generated
Solution Approach 1:
The system changes the material parameter of the pod from conventional plastic to biodegradable materials. This material substitution maintains manufacturing feasibility and cost-effectiveness while eliminating plastic waste generation, resolving the contradiction between ease of manufacture and environmental harm.
4Device complexity
If pods of fixed size are used, then device design is simple, but adaptability to different coffee types is limited
Solution Approach 1:
The brewer is designed with universal compatibility to accommodate pods of different sizes and configurations. The system can adjust brewing parameters based on pod type, enabling a single device to handle various coffee preparations (espresso, drip, French press) with different pod formats, thus achieving versatility without significantly increasing device complexity.
Data Source
AI summary
A beverage system having a pod and a brewer, the brewer including a closure movable between an open position and a closed position. A chamber included in the closure that is defined by a set of walls including a pair of sidewalls. The pod includes a holder and a wrapper fully enclosing the holder. An exterior of the pod is defined by the wrapper and when the pod is received in the brewer the exterior is punctured.