Closed-Loop Sub-Irrigation Planter With Passive 30-Day Watering
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Solution Overview
Problem
Conventional self-watering planters require daily or weekly watering schedules, multiple components, and external power sources, leading to high maintenance and limited customization options, while existing capillary action systems are complex and costly.
Innovation Solution
A closed-loop, self-watering planter with a unitary construction using a three-part fused system, incorporating a decorative outer mold, structural strength unit, and self-watering inner mold, which utilizes gravity and natural root absorption to provide water for up to 30 days without moving parts or external power, allowing customization through additive manufacturing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional self-watering containers use multiple components and moving mechanical parts, then self-watering function is achieved, but device complexity and maintenance requirements increase
Solution Approach 1:
The patent combines multiple functional components (water reservoir, wick mechanism, planter container) into a single integrated unit. The reservoir forms the bottom portion of the planter, eliminating the need for separate assemblies and reducing moving parts while maintaining the self-watering function through capillary action.
Solution Approach 2:
The planter body serves multiple functions simultaneously: it acts as both the decorative container and the water reservoir, while the wick mechanism provides both water transport and moisture regulation. This multi-functionality reduces the number of separate components needed.
2Reliability
If conventional self-watering systems use external power sources, then adequate water supply is achieved, but cost and maintenance requirements increase
Solution Approach 1:
The system uses passive capillary action through the wick material to transport water from the reservoir to the soil, eliminating the need for external power sources. The wick automatically draws water upward through capillary forces, providing continuous moisture without energy input.
Solution Approach 2:
The patent replaces active mechanical pumping systems with passive capillary action. Instead of using motors or pumps to move water, the system relies on the physical property of capillary rise in porous wick materials to transport water vertically.
3Reliability
If prior art capillary action systems are used, then self-watering is achieved, but manufacturing cost and assembly complexity increase
Solution Approach 1:
The wick mechanism is integrated directly into the planter body structure rather than being a separate attachable component. The reservoir forms the base of the planter, and the wick is positioned within the integrated structure, eliminating separate assembly steps and reducing manufacturing complexity.
4Reliability
If conventional planters require daily watering schedules, then plant growth is maintained, but user time commitment and maintenance increase
Solution Approach 1:
The planter automatically maintains appropriate soil moisture levels through the wick's capillary action, which continuously draws water from the reservoir to the soil as needed. This self-regulating system eliminates the need for user intervention in watering schedules.
Solution Approach 2:
The wick provides continuous water transport from the reservoir to the soil, maintaining constant moisture levels without interruption. This continuous passive water supply ensures consistent plant hydration without requiring periodic manual watering actions.
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 maintains plant growth for 30 days with minimal maintenance, offers customizable sizes and designs, and eliminates the need for daily watering, assembly, and external power, while using natural processes for water distribution.
Implementation Method 1
The wick is inserted through the divider into the reservoir such that the wick delivers water to the soil from the reservoir
Implementation Method 2
facilitating flowers, fruit, vegetables, and other organics to grow during that time period through use of gravity to filter water through the soil via its natural root absorption system
Data Source
AI summary
A closed loop sub-irrigation self-watering planter of unitary construction amendable to additive or subtractive manufacturing. A three-dimensional outer mold line decorative flowerpot fused to a structural strength and moisture air lattice barrier, that is fused to a self-watering inner mold line sub irrigated planter. A divider divides an upper space of the planter for soil and a lower space for a water reservoir, wherein a conduit extends from the reservoir through the divider to an open end of the upper space, wherein the reservoir can be filled through the conduit. A soil opening in the divider communicates soil in the upper space with soil compacted in the second portion. A drain hole near an upper portion of the reservoir results in all water from the reservoir to pass through saturation holes in the second portion into the compacted soil therein for leaching into the soil of the upper spaced.