Gas Cylinder Angular Indexing via Polygonal End
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Solution Overview
Problem
The existing methods for securing and holding gas cylinders in frames are complicated and costly due to the need for additional elements to accommodate the valve or manifold configuration, which complicates the inner structure of the cylinder.
Innovation Solution
A gas cylinder design featuring a closed or open second end with a non-circular, preferably polygonal cross-section that serves as a blocking and indexing member, allowing angular indexing within a frame without the need for additional holding means, combined with a composite construction and reinforcement using carbon fiber, glass fiber, or Kevlar, and an adaptable flange on the first end for secure positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional holding elements are added to accommodate valve or manifold configuration, then the gas cylinder can be securely held in a frame, but the inner structure of the cylinder becomes complicated and costly
Solution Approach 1:
The second end of the gas cylinder is given an asymmetric non-circular cross-section (such as oval, rectangular, or star-shaped) that provides both structural integrity and angular indexing capability. This asymmetric shape eliminates the need for additional holding elements while preventing rotation and ensuring proper orientation within the frame, thereby securing the cylinder without complicating the inner structure
Solution Approach 2:
The non-circular cross-section of the second end serves multiple functions simultaneously: it provides structural strength, enables angular indexing to prevent rotation, facilitates secure holding in the frame without additional elements, and aids in identification. This multi-functionality resolves the contradiction by achieving reliable holding while maintaining simple structure
2Reliability
If additional holding elements are added to accommodate valve or manifold configuration, then the gas cylinder can be securely held in a frame, but the manufacturing cost increases
Solution Approach 1:
The asymmetric non-circular cross-section is integrated into the cylinder body during the manufacturing process itself, eliminating the need for separate holding elements. This approach reduces manufacturing costs by consolidating multiple functions into a single structural feature while ensuring reliable holding security through the indexing capability
Solution Approach 2:
The holding function, indexing function, and structural integrity are merged into the non-circular cross-section of the second end. This consolidation eliminates the need for separate holding elements, thereby reducing manufacturing complexity and cost while maintaining secure holding in the frame
3Weight of moving object
If the second end is made hollow, then the gas cylinder becomes lighter, but the structural integrity may be compromised
Solution Approach 1:
The gas cylinder is constructed using composite materials that provide high strength-to-weight ratio. The hollow second end with non-circular cross-section maintains structural integrity through the inherent strength of composite materials while reducing overall weight, resolving the contradiction between lightness and structural strength
Data Source
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AI summary
The object of the invention is about a gas cylinder (1) for gas under pressure comprising a cylindrical body (2) comprising a first end (3) which is opened and configured to be equipped with a valve and a manifold (102) and a second end (4), positioned at the opposite of the first end (3), the second end (4) being closed, characterized in that the second end (4) is a blocking and indexing member of the gas cylinder, when the said gas cylinder (1) is in a storing position in a frame (101).