Hierarchical Multi-Chamber Inflatable Structures for Adaptive Geometry
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Solution Overview
Problem
Conventional inflatable structures lack versatility and functionality, as they are primarily designed for simple applications and do not offer the ability to change geometry or performance on demand, limiting their use in diverse scenarios.
Innovation Solution
The development of inflatable structures with multiple variable chambers that can be differentially pressurized, allowing for a 'skeleton and flesh' paradigm where smaller, high-pressure chambers provide structural support and larger, lower-pressure chambers offer comfort and quick deployment, enabling dynamic geometry changes and various configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional inflatable structures are used, then they are simple to manufacture and operate, but they lack versatility and cannot change geometry or performance on demand
Solution Approach 1:
The inflatable structure is divided into multiple independently controllable chambers of different sizes and pressures. Each chamber can be inflated or deflated separately, allowing the structure to transform between different configurations and functions, thereby achieving versatility without requiring a completely complex system redesign.
Solution Approach 2:
The inflatable structure transitions from a static, fixed-geometry design to a dynamic, reconfigurable system. By controlling the inflation and deflation of different chambers, the structure can change its geometry, volume, and mechanical properties on demand, enabling adaptability across various applications.
2Adaptability or versatility
If multiple variable chambers with different pressures are used, then customizable performance and multiple functions are achieved, but the inflation system becomes more complex
Solution Approach 1:
The inflation system is segmented into multiple independent control pathways, each leading to a specific chamber. This allows selective inflation of individual chambers based on the desired configuration, providing customizable performance while keeping each control pathway relatively simple and manageable.
Solution Approach 2:
Different chambers are designed with different local qualities - varying in size, pressure requirements, and inflation speeds. This allows each chamber to be optimized for its specific function (e.g., structural support vs. comfort), achieving customizable performance without requiring the entire system to be overly complex.
3Ease of operation
If larger volume chambers are used for comfort, then user comfort is improved, but structural support capability decreases
Solution Approach 1:
The structure is segmented into different chamber types: smaller high-pressure chambers for structural support and larger low-pressure chambers for comfort. This segmentation allows each chamber type to be optimized for its specific function, achieving both structural integrity and user comfort simultaneously.
Solution Approach 2:
Different regions of the inflatable structure have different local qualities in terms of pressure and volume. The structural regions use high-pressure small chambers for strength, while the comfort regions use low-pressure large chambers for user comfort, resolving the contradiction between these two requirements.
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 approach allows for quick deployment, enhanced structural support, and customizable performance, enabling inflatable structures to serve multiple functions and adapt to different applications by varying the pressure and volume of individual chambers.
Implementation Method 1
A pressure source is configured to inflate the inflatable structure. An inflation system is configured to inflate the first variable chamber to a first pressure and to inflate the second variable chamber to a second pressure
Data Source
AI summary
Products and methods are provided for inflatable structures. In various exemplary embodiments, an inflatable structure is provided with multiple variable chambers including a first variable chamber and a second variable chamber. A first boundary envelope defines the first variable chamber and a second boundary envelope defines the second variable chamber. The first and second boundary envelopes separate the first chamber from the second chamber. The first and second variable chambers are defined by an operative scale that may differ by an order of magnitude between the first and second variable chambers.