Foldable UAV Wing Support Structure for Compact Storage

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Solution Overview

Problem

The existing unmanned aircraft designs with rotatable wings require multiple rotation support portions, leading to a complex structure that is not easily simplified or reduced in size.

Innovation Solution

An unmanned aircraft design featuring a fixed wing with a single rotation support that angularly displaces between a flying and accommodated state, reducing the number of rotation support portions and simplifying the structure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate rotation support portions are provided for each wing, then each wing can be independently supported, but the number of parts increases and structure becomes complex

Engineering Contradiction:
Improvewing support reliabilityVSAvoidrotation support structure complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent merges the rotation support functions for both wings into a single common rotation support portion. This single support structure enables angular displacement of the entire fixed wing assembly (including both right and left wing portions) relative to the body, thereby reducing the number of parts while maintaining support functionality.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The common rotation support portion serves multiple functions: it supports both the right wing portion and left wing portion simultaneously, enables angular displacement for the entire fixed wing assembly, and reduces the overall number of components. This multi-functional design resolves the contradiction by providing reliable support without increasing structural complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If multiple rotation support portions are used for respective wings, then each wing has dedicated support, but the space volume for accommodation increases

Engineering Contradiction:
Improvewing support reliabilityVSAvoidaccommodation space volume
Core Design Contradiction:
ReliabilityVSVolume of stationary object

Solution Approach 1:

By combining the rotation support functions into a single common support portion, the patent reduces the space required for accommodation. The unified support structure occupies less volume compared to multiple separate support portions, while still providing reliable support for both wings during angular displacement between flying and accommodated states.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If separate rotation support portions are provided for each wing, then individual wing support is achieved, but the number of parts increases

Engineering Contradiction:
Improvewing support reliabilityVSAvoidnumber of parts
Core Design Contradiction:
ReliabilityVSQuantity of substance

Solution Approach 1:

The patent merges multiple rotation support portions into a single common rotation support portion that supports the entire fixed wing assembly. This consolidation reduces the number of parts from multiple separate components to one unified component, while maintaining the reliability of wing support through the multi-functional design.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP4671136A1Unmanned aircraft
Publication Date: 2025.12.31 KAWASAKI MOTORS LTD
  • EP4671136A1 patent drawingFigure 1
  • EP4671136A1 patent drawingFigure 2
  • EP4671136A1 patent drawingFigure 3

AI summary

Provided is an unmanned aircraft that is reduced in size in an accommodated state and is easily simplified in structure. The unmanned aircraft includes: a body extending in a front-rear direction; a fixed wing connected to the body and including a right wing portion and a left wing portion; and a rotation support that supports the fixed wing with respect to the body such that the fixed wing is angularly displaced between a flying state and the accommodated state.