Capillary Irrigation Pot Liner for Consistent Root Moisture

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Solution Overview

Problem

Existing plant pots lack efficient and long-lasting irrigation systems that provide optimal moisture levels for plants, often leading to overwatering or underwatering issues.

Innovation Solution

A capillary irrigation pot system comprising a liquid impermeable pot housing and a pot liner with a capillary assembly, where a capillary media extends from the irrigation liquid reservoir to the root base of the plant, ensuring controlled water delivery and minimizing evaporation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional irrigation methods are used, then plants can receive water, but overwatering or underwatering occurs leading to poor plant health

Engineering Contradiction:

Improveirrigation controlVSAvoidwatering management

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The capillary irrigation system is self-regulating through capillary action. The capillary media automatically draws water from the reservoir to the plant roots based on moisture demand, eliminating the need for manual intervention or complex control mechanisms. The system self-adjusts water delivery rates according to plant needs and environmental conditions.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent replaces traditional mechanical irrigation systems (pumps, valves, timers) with a passive capillary action-based system. Water movement is driven by capillary forces in the porous media rather than mechanical pumping, simplifying the system while improving reliability and ease of operation.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Reliability

If frequent watering is performed to maintain moisture levels, then plants receive adequate water, but water evaporation increases and time is wasted

Engineering Contradiction:

Improvemoisture consistencyVSAvoidwater evaporation

Core Design Contradiction:

ReliabilityVSLoss of energy

Solution Approach 1:

The capillary media acts as an intermediary between the water reservoir and plant roots. It transports water through its porous structure via capillary action, delivering moisture directly to the root zone while minimizing surface exposure and evaporation. The media serves as a controlled interface that regulates water movement.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The capillary irrigation system provides continuous water delivery to plant roots as long as the reservoir contains water. The capillary action maintains a steady state of water movement from the reservoir through the media to the roots, ensuring consistent moisture levels without interruption or evaporation losses from frequent surface watering.

Inventive Principle:

Principle #20Continuity of useful action

3Measurement precision

If manual watering is performed, then water can be applied to plants, but it is difficult to detect and measure optimal moisture levels

Engineering Contradiction:

Improvemoisture level detectionVSAvoidsoil moisture assessment

Core Design Contradiction:

Measurement precisionVSDifficulty of detecting and measuring

Solution Approach 1:

The capillary media incorporates visual indicators that change color or appearance based on moisture content. This allows users to easily detect and measure soil moisture levels by observing the media's visual state, transforming an otherwise difficult-to-measure parameter into a simple visual assessment without requiring specialized instruments.

Inventive Principle:

Principle #32Color changes

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 provides consistent and efficient irrigation, maintaining optimal moisture levels for plants while reducing evaporation and preventing overwatering or underwatering.

Implementation Method 1

a capillary media extending from the irrigation liquid reservoir to a root base of the plant... by capillary action

Methodology Applied

Scientific EffectCapillary action: Capillary Action

Implementation Method 2

The pot housing and the pot liner are each made of an opaque material... minimizing evaporation

Methodology Applied

Scientific EffectEvaporation prevention through light blocking: Evaporation

Data Source

PatentUS20260013451A1Plant pot

Publication Date: 2026.01.15 MIXTILES LTD

AI summary

A capillary irrigation pot system, comprising a pot housing, a pot liner configurable for receiving within said pot housing, wherein once received within the pot housing gives rise to an irrigation liquid reservoir extending between an inside wall surface of the pot housing and an outside wall surface of the pot liner, and a capillary assembly comprising a capillary media received within a substantially liquid impermeable sheathe, where a first end of the capillary media projecting from a first end of the sheath extends at a bottom portion of the irrigation liquid reservoir, and a second end of the capillary media projecting from a second end of the sheath extends within a bottom portion of the pot liner, and where an intermediate portion of the capillary assembly is configured to extend over a top portion of the pot liner.