Adjustable Frame Device for Profiled Sail Curvature Control
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Solution Overview
Problem
Existing frame devices for profiled sail devices lack efficiency in propulsion, flexibility in curvature adjustment, and simplicity in operation, with limited load-carrying capacity and weight reduction.
Innovation Solution
A frame device with adjustable longitudinal and transverse beams forming quadrangles with variable diagonals, elastic adjustability, and tension elements to limit maximum curvature, allowing for two-way functionality and distributed load absorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the frame device uses fixed rigid structure, then structural integrity is maintained, but propulsion efficiency and curvature adjustability are reduced
Solution Approach 1:
The frame device employs adjustable frame elements with variable diagonal lengths that can dynamically change configuration. The diagonals can be extended or retracted to modify the curvature of the profile contour, allowing the structure to adapt between different operating positions while maintaining structural integrity through controlled mechanical adjustment mechanisms.
Solution Approach 2:
The invention changes the geometric parameters of the frame structure by varying the lengths of the diagonals within the quadrangles. By adjusting these diagonal lengths, the profile contour curvature can be modified without compromising the overall structural strength, as the adjustment occurs within defined mechanical constraints and limits.
2Productivity
If the frame device allows extensive curvature adjustment, then propulsion efficiency improves, but device complexity increases
Solution Approach 1:
The frame device is divided into multiple quadrangular sections with individual adjustable diagonals. Each quadrangle can be independently adjusted to modify the local curvature, allowing progressive optimization of the profile contour. This segmentation enables complex overall adjustment capabilities while keeping individual adjustment mechanisms relatively simple and modular.
3Strength
If the frame device uses heavier materials for strength, then load-carrying capacity increases, but weight increases
Solution Approach 1:
The frame elements, particularly the diagonals and beams forming the quadrangles, utilize composite material construction. This allows the structure to achieve high load-carrying capacity and structural strength while maintaining reduced weight, as composite materials provide superior strength-to-weight ratios compared to traditional solid materials.
4Strength
If the frame device distributes load across multiple points, then load-carrying capacity increases, but structural complexity increases
Solution Approach 1:
The load distribution is achieved through the segmented quadrangular structure where each quadrangle acts as an independent load-bearing unit. The multiple beams and diagonals within each quadrangle create natural load distribution paths, allowing the overall structure to handle increased loads while maintaining a relatively simple modular configuration that doesn't require complex additional support elements.
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
Enhances propulsion efficiency, allows independent curvature adjustment, simplifies operation, increases load-carrying capacity, and reduces weight while maintaining structural integrity.
Implementation Method 1
the at least one adjustable frame element being elastically adjustable
Data Source
AI summary
A frame device (200) for a profiled sail device, the frame device (200) having at least one adjustable frame element (202), the at least one adjustable frame element (202) having longitudinal struts which are spaced apart from one another and are assigned to sail surfaces which are spaced apart from one another, and transverse struts which extend between the longitudinal struts, characterized in that the longitudinal struts and the transverse struts delimit quadrangles which each have two diagonals with varying lengths depending on the adjustment, and the diagonals each have a predetermined maximum length, and a profiled sail device having sail surfaces which are spaced apart from one another and against which the flow can impinge and which form profiled surfaces, a sail front edge and an adjustable skeleton device arranged between the sail surfaces. The skeleton device has at least one frame device (200) of this type.