Double-Deck Airplane High-Wing Configuration and Planar Floors
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Solution Overview
Problem
Current double-deck airplanes face limitations in flexibility and efficiency due to wing structures interfering with internal space, making it difficult to maximize passenger and cargo capacity while meeting operational and environmental demands.
Innovation Solution
A double-deck airplane design with planar floors on both decks, a movable partition wall for adjustable compartments, and lifting structures that do not intersect with passenger or cargo areas, allowing for autonomous passenger disembarkation and efficient cargo loading/unloading through multiple access points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a mid-wing configuration is used with engines mounted on the underside of the wing, then the lifting structure provides adequate support, but the wing box occupies useful space for passengers or cargo inside the fuselage
Solution Approach 1:
The patent extracts the wing structure from the fuselage interior by using a high-wing configuration where the wing is mounted on the upper surface of the fuselage, completely outside the payload volume. This eliminates the wing box intrusion into the cargo and passenger compartments, maximizing internal space while maintaining lifting capability.
2Productivity
If the lower deck is positioned for autonomous passenger embarking/disembarking without ground equipment, then operational efficiency improves, but the lower deck height from ground increases
Solution Approach 1:
The patent positions the lower deck at an elevated height that enables autonomous passenger access without ground equipment, utilizing the vertical dimension to achieve operational independence. The lower deck floor is positioned high enough to allow self-contained boarding and alighting, transforming the dependency on ground equipment into autonomous operation through strategic height positioning.
3Volume of moving object
If the floors of upper and lower decks are planar surfaces extending continuously, then internal space utilization is maximized, but structural complexity increases
Solution Approach 1:
The patent divides the fuselage into upper and lower decks with planar floors that extend continuously within the payload area. This segmentation creates distinct functional zones while maintaining simple, flat flooring surfaces in each zone, maximizing usable volume without requiring complex curved or irregular floor structures.
Data Source
AI summary
A double-deck airplane that facilitates passenger embarking/disembarking and cargo loading/unloading operations in order to maximize the number of flight missions carried out in a given time. The floors of its upper and lower decks are planar surfaces extending continuously inside the fuselage in at least the inner space of the fuselage intended for the payload; the lower deck is located at a height from the ground that allows carrying out passenger embarking/disembarking via equipment incorporated in the airplane without any external airport ground equipment; passenger and/or cargo compartments are distributed on the upper and/or lower decks; and the lifting structure is disposed in the airplane in a manner that none of its components crosses the upper and lower decks.