Shark Avoidance Enclosure with Multi-Layer Flexible Wall
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Solution Overview
Problem
Existing shark repellents are either ineffective, require maintenance, or are not designed to prevent shark encounters in the first place, as they focus on immediate shark repulsion rather than long-term safety and do not account for scenarios where a person cannot leave the water or operate effectively at night.
Innovation Solution
A shark avoidance system comprising an open-ended enclosure with a buoyant device and inflatable sections forming a flexible wall with multiple layers, including a water-impermeable, bioelectrical blocking, and sound-emission blocking layers, which absorbs human sounds and water pressure to prevent shark attraction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electrical gadgets like shark pod are used to create an electrical field, then shark repulsion effectiveness is improved, but device complexity and maintenance requirements increase
Solution Approach 1:
The patent replaces electrical systems with a passive mechanical/physical system. Instead of using electrical fields generated by batteries and electronics, the invention uses a flexible waterproof membrane that creates mechanical pressure resistance and physical isolation when inflated, eliminating all electrical components and their associated complexity and maintenance needs.
Solution Approach 2:
The patent employs simple, inexpensive materials such as flexible waterproof membranes and inflatable structures that can be easily manufactured and replaced if needed, rather than complex electrical systems that require maintenance and have limited lifespans due to battery degradation and component failure.
2Reliability
If explosive devices like bang stick are used for shark repulsion, then immediate shark deterrence is improved, but ease of operation and safety worsen
Solution Approach 1:
The patent applies preliminary protective action by creating a pre-inflated protective enclosure before shark contact occurs. The flexible membrane structure is prepared in advance and provides continuous passive protection without requiring active engagement or complex operational steps during a shark encounter.
Solution Approach 2:
The patent extracts the dangerous explosive element entirely from the system and replaces it with a passive inflatable barrier. This removes the need for users to handle, aim, or activate explosive devices, dramatically simplifying operation and eliminating safety risks associated with explosive materials.
3Reliability
If shark repellents focus on immediate repulsion, then short-term shark deterrence is improved, but long-term safety and adaptability worsen
Solution Approach 1:
The patent creates a universal protective system that serves multiple functions: it provides immediate shark deterrence through physical isolation, ensures long-term safety by maintaining continuous protection during extended water exposure, and adapts to various scenarios including night use and situations where the user cannot quickly exit the water. The inflatable enclosure is versatile and can be used in different water conditions and durations.
4Device complexity
If prior art devices require inflation without buoyancy, then device complexity is reduced, but ease of operation and reliability worsen
Solution Approach 1:
The patent incorporates buoyant elements that provide upward counterweight force to offset the weight of the flexible membrane and contents. This buoyancy assistance reduces the inflation effort required by the user, making the device easier to operate while maintaining the simple structural design of an inflatable enclosure.
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 effectively prevents shark encounters by eliminating sound and water pressure transmission, working day and night without electrical or chemical components, and is easy to store and use.
Implementation Method 1
the third layer is a sound emission blocking layer for blocking human produced sounds
Implementation Method 2
the second layer is a bioelectrical blocking layer blocking human produced bioelectrical fields
Implementation Method 3
A buoyant device and an inflatable device are provided, where the buoyant device and the inflatable device are connected to form a combination
Data Source
AI summary
An open ended enclosure with a top, sides, and a bottom, where the sides and the bottom form an interior enclosed space. A buoyant device and an inflatable device are provided, where the buoyant device and the inflatable device are connected to form a combination and where the combination is connected with the top of the open ended enclosure. The sides connect the top and the bottom and the sides form a flexible wall and where the flexible wall consists of a combination of at least three layers, a first, outer, layer, a second, middle, layer and a third, inner, layer. The third layer is connected to the second layer and the second layer is connected to the first layer, and, further, the first layer is a water impervious layer, the second layer is a bioelectrical blocking layer and the third layer is a sound emission blocking layer.