Open-Cell Flow Body Structure for Lightweight Vertical Greening

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Solution Overview

Problem

Existing greenery systems for vertical greening, such as those used on building facades, face challenges including weight issues due to heavy modules, root system damage, limited height, and inefficient irrigation, leading to costly and complex installations.

Innovation Solution

A self-supporting greenery system with bodies through which a medium can flow, incorporating open-cell foamed plastic for nutrient and fluid absorption, allowing plants to grow directly on these bodies, which are designed to facilitate gravity-fed medium distribution and recycling, and include modular components for easy installation and maintenance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If heavy wall-bound greenery modules are used to support plants vertically, then plant support capability is improved, but weight increases causing attachment problems to facades

Engineering Contradiction:
Improveplant support capabilityVSAvoidmodule weight
Core Design Contradiction:
StrengthVSWeight of stationary object

Solution Approach 1:

The patent replaces the traditional heavy mechanical support structure (wall-bound modules) with a lightweight fluid-dynamic system. Water flows through channels in the greenery elements, creating hydrodynamic pressure that supports plants vertically without requiring heavy structural modules. The supporting body provides mechanical stability while the fluid medium carries the load.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent changes the physical state and distribution of water from static storage in heavy modules to dynamic flow through channels. By controlling water flow rate and pressure, the system achieves variable support capability for plants while maintaining lightweight construction suitable for facade attachment.

Inventive Principle:
Principle #35Parameter changes

2Duration of action of moving object

If soil-bound systems are used for vertical greening, then plant growth is improved, but root systems damage the facade surface

Engineering Contradiction:
Improveplant growth capabilityVSAvoidroot system damage
Core Design Contradiction:
Duration of action of moving objectVSObject-affected harmful factors

Solution Approach 1:

The patent extracts plants from traditional soil-based systems and places them in a water-flow-based support system. The greenery elements contain channels through which water flows, providing support and nutrition without requiring soil or deep root systems that could damage facades.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent introduces water flow as an intermediary medium between the supporting structure and plant roots. Instead of roots directly contacting and damaging the facade, water serves as a mediator that transmits support forces and delivers nutrients hydrodynamically.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Quantity of substance

If conventional irrigation systems are added to greenery modules, then water supply is improved, but system complexity and cost increase

Engineering Contradiction:
Improvewater supplyVSAvoidirrigation system complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent merges the irrigation function with the structural support function into a single integrated system. Water channels that provide structural support through hydrodynamic pressure also serve as the irrigation pathway, eliminating the need for separate irrigation infrastructure.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The greenery elements serve multiple functions simultaneously: they provide structural support through water flow, deliver irrigation to plants, and can be attached to facades. The supporting body and greenery elements are designed to perform both mechanical support and fluid transport functions.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Adaptability or versatility

If climbing plant scaffolds with movable containers are used, then flexibility is improved, but installation complexity and maintenance requirements increase

Engineering Contradiction:
Improveinstallation flexibilityVSAvoidmaintenance ease
Core Design Contradiction:
Adaptability or versatilityVSEase of operation

Solution Approach 1:

The patent divides the greenery system into modular greenery elements that can be independently installed and maintained. Each element contains its own water channels and plant support structure, allowing for easy replacement and maintenance without affecting other parts of the system.

Inventive Principle:
Principle #1Segmentation

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

Enables economical, low-maintenance vertical greening without facade damage, supporting plants to any height, with efficient water and nutrient supply, and reducing weight and installation complexity.

Implementation Method 1

the device for absorbing nutrients and/or fluid is made out of at least one open-cell foamed plastic

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Implementation Method 2

the at least one greenery element is located on a surface... such that there is a slope for generating a flow and/or distributing medium

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentUS12478002B2Medium-flowable body and greening system with at least one such a medium-flowable body
Publication Date: 2025.11.25 VOSS AUTOMOTIVE GMBH
  • US12478002B2 patent drawing
  • US12478002B2 patent drawing
  • US12478002B2 patent drawing

AI summary

A body through which a medium can flow, in particular a body through which a fluid and/or gas can flow, with at least one exterior, wherein the body through which a medium can flow is self-supporting or includes at least one supporting body that provides mechanical stability, as well as a greenery system with at least one greenery element for installation on a surface, including at least one such body through which a medium can flow, in particular a body through which a fluid and/or gas can flow.