Wind Spinner Blade Support Segmentation for Structural Integrity
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Solution Overview
Problem
Existing wind spinners lack innovative designs that effectively utilize wind energy to rotate blades while maintaining structural integrity and aesthetic versatility.
Innovation Solution
A wind spinner design featuring a body with angled blades supported by a central portion and wing elements, allowing for rotation about a blade axis, with optional fabric covering and reinforcing layers, and the ability to be mounted on a stake or suspensory device, enabling various configurations and shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If blades are made with internal support structures (blade supports with central portion and wing portions), then structural integrity and durability are improved, but device complexity increases
Solution Approach 1:
The blade support is segmented into a central portion and multiple wing portions, with each component having a specific function. The central portion provides attachment to the rod while the wing portions extend outward to provide structural support to the blade, distributing the load and improving overall blade integrity without requiring a completely rigid blade construction.
Solution Approach 2:
The blade support structure provides localized reinforcement where needed - the central portion at the rod attachment point and the wing portions extending into the blade. This allows the blade to have varying thickness and strength characteristics, with reinforced areas only where structurally necessary rather than uniformly thick throughout.
2Use of energy by moving object
If blades are angled at a specific blade angle to capture wind energy effectively, then rotational efficiency is improved, but manufacturing precision requirements increase
Solution Approach 1:
The blade angle is configured to work effectively with the rotational motion of the blades. As the blades rotate, they dynamically interact with the wind flow, with the angle optimized to capture energy throughout the rotation cycle. The blade support structure allows for precise angular positioning that maintains optimal attack angles during rotation.
Solution Approach 2:
The blade angle is designed as a specific geometric parameter that can be optimized for different wind conditions and rotational speeds. By carefully selecting and maintaining this angular parameter, the blade configuration achieves efficient wind energy capture while the rigid blade support structure helps maintain this angle consistency during operation.
3Duration of action of stationary object
If multiple blade supports with wing portions are used to reinforce blades, then blade durability is improved, but ease of manufacture decreases
Solution Approach 1:
The blade support is divided into manufacturable segments - a central portion for attachment and multiple wing portions for reinforcement. This segmentation allows each component to be manufactured separately using standard processes, then assembled together, improving durability through the multi-part construction while maintaining reasonable manufacturing ease through modular assembly.
Solution Approach 2:
The blade support structure serves multiple functions simultaneously - it provides structural reinforcement, maintains blade angle, attaches the blade to the rod, and distributes mechanical loads. This multi-functionality is achieved through a relatively simple integrated structure that combines these functions without requiring complex separate mechanisms for each function.
4Shape
If blades are designed with fabric covering and reinforcing layers for aesthetic versatility, then visual appeal is improved, but structural complexity increases
Solution Approach 1:
The blade incorporates fabric covering as a flexible shell that provides aesthetic appearance and can be configured in various colors, patterns, and shapes. The fabric is stretched over the blade support structure and secured, creating a visually appealing surface that conforms to the underlying rigid framework without requiring complex rigid shaping.
Solution Approach 2:
The blade is constructed as a composite structure combining rigid blade support elements (central portion and wing portions) with flexible fabric covering. The rigid framework provides structural integrity and shape, while the fabric layer provides aesthetic versatility and weather protection, creating a composite blade that achieves both durability and visual appeal through material combination.
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 design effectively captures wind energy to rotate blades, providing durable and aesthetically versatile wind-activated decorations that can be customized in shape and appearance, enhancing visual appeal and durability.
Implementation Method 1
the blades are angled at a blade angle and at a position on the at least one rod such that wind passing thereover causes the at least one pair of blades to rotate about the blade axis
Data Source
AI summary
A wind spinner includes a body, at least one rod attached to the body for rotation about a blade axis, at least two blades disposed at opposing ends of the rod, forming at least one pair of blades, and at least one blade support disposed within each blade. The at least one blade support includes a central portion disposable on the at least one rod. The central portion is attached to at least one wing portion that extends outwardly therefrom to provide internal support to the blade. In addition, the blades are angled at a blade angle and at a position on the at least one rod such that wind passing thereover causes the at least one pair of blades to rotate about the blade axis.