Buoyant Waders With Inflatable Torso Ring
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Solution Overview
Problem
Existing buoyant waders fail to prevent water from entering the garment, exposing the wearer to cold water and do not provide adequate protection against drowning, and they are often loose-fitting, offering little insulation against cold air or water.
Innovation Solution
A pair of chest waders with a gas-impermeable inflatable floatation ring around the upper portion, cinch straps for a tight seal, and optional drainage valves and a urination valve, along with a non-inflatable buoyant element in a mesh pocket, to provide buoyancy, water-tightness, and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If buoyant elements are added to waders, then buoyancy is improved, but water-tightness deteriorates
Solution Approach 1:
The inflatable buoyant chamber is nested within the wader garment structure, with the chamber positioned inside the torso portion of the waders. This nested configuration allows the buoyant element to be integrated without compromising the external waterproof barrier of the waders.
Solution Approach 2:
An inflatable chamber filled with gas (air) is used to provide buoyancy. The chamber can be inflated or deflated as needed, allowing the wearer to adjust buoyancy levels. The gas-filled chamber provides sufficient buoyant force to keep the wearer afloat without requiring permanent rigid structures that would compromise water-tightness.
2Ease of operation
If waders are made loose-fitting for comfort, then ease of operation is improved, but thermal insulation deteriorates
Solution Approach 1:
The waders incorporate a buoyant chamber that is positioned specifically in the torso region, providing localized buoyancy and warmth where needed most. The chamber can be inflated to provide both buoyancy and thermal insulation in the upper body region while allowing other areas to maintain appropriate fit characteristics.
3Reliability
If inflatable chambers are added to waders, then buoyancy is improved, but device complexity increases
Solution Approach 1:
The buoyant chamber is merged with the wader garment structure, with the chamber integrated into the torso portion of the waders. The chamber shares the garment's outer shell and structural support, eliminating the need for separate rigid buoyant structures and reducing overall device complexity.
Solution Approach 2:
The buoyant chamber is designed to be dynamically inflatable and deflatable, allowing the wearer to adjust the buoyancy level as needed. This dynamic capability provides flexibility and adaptability while maintaining a relatively simple structure that can be collapsed when not in use.
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 effectively prevents water from entering the waders, provides significant buoyancy, and includes features for draining water and urination without removing the waders, while maintaining a secure fit and insulation against cold temperatures.
Implementation Method 1
an inflatable floatation ring (20) attached to an upper portion of the waders (10)
Implementation Method 2
The inflatable ring (20) is made from a gas impermeable material
Data Source
AI summary
A wader garment is provided, wherein the wader garment includes buoyant elements that may be employed so that a wearer may float in water, should the need arise, and further includes means for providing a substantially water-tight seal between the waders and a wearer at an upper portion of the waders. The wader garment may also include drainage valves on the leg portions to drain water from waders, if necessary, as well as a urination valve that may be in an open position or a closed position.