Nested Drinking Container With Plunger Filtration
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Solution Overview
Problem
Current portable water filtration devices are bulky and impractical for everyday use outside the home, making it difficult for consumers to access filtered water on the go.
Innovation Solution
A portable drinking container design featuring a main reservoir, a filling reservoir with a filter, and a plunger assembly that allows liquid to be added and filtered through a porous filter into the main reservoir, enabling efficient filtration and transport of filtered water.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If portable filtration devices are designed for camping use, then filtration capability is provided, but the devices become bulky and impractical to transport
Solution Approach 1:
The filling reservoir is nested within the main reservoir, with the filter assembly positioned between them. The plunger assembly fits within the filling reservoir. This nested configuration allows multiple functional components to occupy the same spatial envelope, dramatically reducing the overall device volume while maintaining filtration capability.
Solution Approach 2:
The filter assembly is integrated directly into the reservoir structure, combining filtration function with storage function. The plunger assembly combines the functions of liquid delivery, valve control, and plunger action in a single integrated component. This merging of functions eliminates the need for separate portable filtration devices.
2Reliability
If a plunger assembly is used to urge liquid through the filter, then filtration is achieved, but the device complexity increases
Solution Approach 1:
The plunger assembly is actuated by the user's hand, utilizing human muscle power to drive the filtration process. The valve mechanism automatically opens and closes based on pressure differential, requiring no external power source or complex control system. This self-service approach simplifies the device while maintaining effective filtration.
Solution Approach 2:
The system uses pressure differential created by the plunger to drive liquid through the filter. The valve mechanism responds to pressure changes to control flow direction. This hydraulic approach replaces complex mechanical or electronic control systems with simple pressure-based operation.
3Reliability
If a valve is added to control liquid flow, then back flow prevention is achieved, but the device complexity increases
Solution Approach 1:
The valve is designed to automatically respond to pressure differential without external control. When the plunger pushes liquid through the filter, pressure differential automatically opens the valve to allow flow. When pressure equalizes or reverses, the valve automatically closes to prevent back flow. This self-regulating mechanism eliminates the need for complex valve control systems.
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 solution provides a compact and practical means for consumers to filter and carry filtered water, addressing the need for a portable and user-friendly filtration system that is suitable for everyday use.
Implementation Method 1
a porous filter extending between the main reservoir and the filling reservoir
Data Source
AI summary
A drinking container includes a main reservoir; a filling reservoir; a filter connecting the filling reservoir to the main reservoir; a plunger assembly having a plunger head in the filling reservoir and a shaft extending therefrom. The shaft defines a passageway from to an opening in the plunger head, to allow addition of liquid through the passageway into the filling reservoir. A valve allows closing of the opening to allow the plunger head to be urged into the filing reservoir, thereby urging liquid in the filling reservoir through the filter into the drinking reservoir.