Nested Cook-Set Assembly for Compact Coffee Brewing and Storage
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Solution Overview
Problem
Conventional portable cook sets for brewing coffee require multiple separate items, including a cook pot, press pot, and insulated storage container, which occupy significant space, making them impractical for backpacking and camping where storage space is limited.
Innovation Solution
A nested cook-set design that integrates a cook pot, a press-pot piston, and a vacuum bottle in a compact, coaxial arrangement, allowing the cook pot and press-pot piston to be nested with the vacuum bottle, enabling efficient brewing, filtration, and storage of coffee in a single, space-efficient unit.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional separate items (cook pot, press-pot, insulated storage container) are used for brewing coffee, then brewing functionality is achieved, but storage space is significantly occupied
Solution Approach 1:
The press-pot piston is nested within the cook pot, and the vacuum bottle is nested within the press-pot piston, creating a compact hierarchical arrangement that minimizes storage volume while maintaining all brewing and storage functions
Solution Approach 2:
Multiple separate items (cook pot, press-pot, insulated storage container) are merged into a single integrated nested assembly, combining brewing and storage functions in one compact unit that reduces total storage space required
2Adaptability or versatility
If multiple separate items are carried for cooking and storage, then functional requirements are met, but device complexity increases
Solution Approach 1:
The nested cook-set integrates multiple functions (cooking, brewing, filtration, and insulated storage) into a single multi-functional system, eliminating the need for separate specialized items while meeting all functional requirements
3Device complexity
If coffee is stored in the cook pot with used grounds, then no separate container is needed, but coffee quality deteriorates and cooling occurs
Solution Approach 1:
The brewed coffee is extracted from the cook pot and transferred to the nested vacuum bottle for storage, separating the liquid coffee from the used grounds in the cook pot, thereby preserving coffee quality and preventing astringency while maintaining a compact single-unit design
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 nested cook-set allows for convenient preparation, filtration, and storage of coffee, reducing the need for multiple items and minimizing storage space, while maintaining the quality of brewed coffee by keeping it hot or cold for extended periods.
Implementation Method 1
The gap between the outer body and inner liner is partially evacuated of air, creating a near-vacuum which significantly reduces heat transfer by conduction or convection
Data Source
AI summary
A portable nested cook-set includes a cook pot having a pot sidewall with a retention projection and defining an upwardly opening pot interior chamber, a press-pot piston having a piston sidewall and a lower end portion defining an upwardly opening piston interior chamber, and a storage container having an exterior portion and a selectively sealable interior storage chamber. The piston sidewall has a sidewall opening and a retention notch positioned to removably receive the retention projection therein. The press-pot piston sidewall is dimensioned to be selectively storable at least partially within the cook pot. The storage container having an exterior portion with a lower portion dimensioned to be selectively storable at least partially within the piston interior chamber. The storage container and the press-pot piston being releasably threaded together.