Suction-Stabilized Float Chamber for Ballast-Free Water Stability

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Solution Overview

Problem

Existing floats face stability issues on water due to the need for ballast, which adds weight and can interfere with activities, and there is a need for improved stabilization methods that do not rely on ballast or reduce its size and functionality.

Innovation Solution

The design incorporates a chamber with a fluid-tight portion above the water line and an open portion below, utilizing the difference in pressure to create a downward force for stability, allowing the float to support objects without traditional ballast, and includes a gas valve to manage gas expulsion and liquid intake for enhanced stability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Stability of the object's composition

If ballast is used to improve float stability, then stability is improved, but weight increases and ballast interferes with activities below the float

Engineering Contradiction:
Improvefloat stabilityVSAvoidfloat weight
Core Design Contradiction:
Stability of the object's compositionVSWeight of moving object

Solution Approach 1:

The invention extracts the stabilizing function from traditional ballast weights and relocates it to a chamber that draws liquid from the surrounding environment. The chamber creates a liquid column extending above the liquid-gas interface, generating a downward force that stabilizes the float without requiring heavy ballast materials to be carried along.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The chamber acts as an intermediary device between the float and the surrounding liquid. It draws liquid from the environment and maintains a liquid column above the interface, creating a stabilizing downward force that mediates the balance between buoyancy and gravity without requiring traditional ballast weights.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Stability of the object's composition

If ballast is used to improve float stability, then stability is improved, but ballast interferes with activities below the float

Engineering Contradiction:
Improvefloat stabilityVSAvoidactivity clearance below float
Core Design Contradiction:
Stability of the object's compositionVSEase of operation

Solution Approach 1:

The invention removes the interfering ballast weights from below the float and replaces them with a chamber system that generates stabilizing force by drawing liquid from the surrounding environment. The liquid column in the chamber extends above the liquid-gas interface, creating downward force without requiring physical ballast materials that would obstruct activities below the float.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The chamber serves as an intermediary that creates stabilizing force through liquid pressure rather than physical ballast. By drawing liquid from the environment and maintaining a column above the interface, it generates the necessary downward force without the physical presence of ballast weights that would interfere with activities below the float.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Stability of the object's composition

If a chamber draws liquid above the liquid-gas interface to create downward force, then stability is improved without ballast, but device complexity increases

Engineering Contradiction:
Improvefloat stabilityVSAvoidchamber system complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The chamber serves multiple functions: it provides structural support for the float, acts as a containment vessel for the liquid column, and generates the stabilizing downward force through the liquid pressure. This multi-functionality reduces the need for separate ballast systems while achieving stability.

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

Solution Approach 2:

The chamber system draws liquid from the surrounding environment, utilizing the ambient liquid resource rather than requiring internally stored ballast materials. The system serves itself by using the environment's liquid to generate the stabilizing force, reducing the float's own weight and complexity.

Inventive Principle:
Principle #25Self-service

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

This solution provides improved stability for floats by leveraging the hydrostatic pressure difference to counteract destabilizing forces, allowing for reduced or alternative use of ballast, and supports a range of objects from small umbrellas to larger structures like docks, achieving effective stabilization without the weight and interference issues of traditional ballast systems.

Implementation Method 1

utilizing the difference in pressure to create a downward force for stability

Methodology Applied
Scientific EffectHydrostatic pressure difference: Pressure Gradient

Implementation Method 2

Floats have been used through out history to support objects on water... made of buoyant materials less dense that the liquid that they are in

Methodology Applied
Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Data Source

PatentUS10239590B2Suction stabilized floats
Publication Date: 2019.03.26 MONTGOMERY JAMES
  • US10239590B2 patent drawing
  • US10239590B2 patent drawing
  • US10239590B2 patent drawing

AI summary

Floats having a buoyant portion and a chamber portion hold liquid within their chambers above the interface of the surrounding body of liquid and gas which creates a downward force which stabilizes the float. If the liquid is water, the float holds water in the inner chamber which is disposed above the waterline of the body of water in which the float is suspended. The elevated water exerts a downward force that acts against rocking, swaying, and other destabilizing forces.