Blended Wing Freighter Layout for Long-Range Cargo Capacity
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Solution Overview
Problem
Tube and wing freighter aircraft are limited in volume and range due to inefficiencies in design and cabin layout, leading to increased fuel consumption.
Innovation Solution
A blended wing body design with integrated fuel storage and cargo bay, featuring a conveyor belt system for cargo transport, and a propulsor system that includes both combustion engines and electric motors for long-range flight capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If tube and wing freighter aircraft design is used, then structural simplicity is maintained, but volume and range are limited due to design inefficiencies
Solution Approach 1:
The patent merges the wing and fuselage into a single blended wing body structure, eliminating the traditional separate tube-and-wing configuration. This integration creates a more efficient aerodynamic profile that increases cargo volume and range while maintaining structural integrity through the unified design.
Solution Approach 2:
The patent transitions from a conventional three-dimensional tube-and-wing structure to a two-dimensional blended wing body configuration where the wing planform forms the main fuselage. This dimensional reconfiguration optimizes the cargo bay volume and enables long-range flight capabilities.
2Use of energy by moving object
If tube and wing aircraft design is used, then manufacturing simplicity is maintained, but fuel consumption increases due to drag and design inefficiencies
Solution Approach 1:
The blended wing body design merges the wing and fuselage functions into a single integrated structure that reduces the number of separate components. This integration eliminates the drag penalties associated with traditional wing-fuselage junctions and reduces overall aircraft weight, thereby decreasing fuel consumption.
Solution Approach 2:
The patent changes the aerodynamic parameters of the aircraft by adopting a blended wing body configuration with optimized aspect ratio and planform. These parameter changes result in reduced induced drag and improved aerodynamic efficiency, leading to lower fuel consumption per ton-mile.
3Duration of action of moving object
If conventional freighter aircraft layout is used, then operational simplicity is maintained, but range is limited
Solution Approach 1:
The patent reconfigures the aircraft layout by transitioning from a traditional tube-and-wing configuration to a blended wing body where the wing planform defines the fuselage. This dimensional change creates a more efficient aerodynamic profile that extends flight range while optimizing cargo bay geometry.
Solution Approach 2:
The blended wing body structure serves multiple functions simultaneously: it provides the airframe, contains the cargo bay, houses the fuel tanks, and provides the lifting surface. This multi-functionality reduces the need for separate structural components and extends operational range.
4Loss of energy
If blended wing body design is implemented, then fuel efficiency is improved, but structural complexity increases
Solution Approach 1:
The patent combines the wing and fuselage into a single blended wing body structure that reduces the number of separate structural components. This integration decreases the overall structural complexity compared to traditional tube-and-wing designs while improving aerodynamic efficiency and fuel economy.
Data Source
AI summary
A freighter aircraft for long-distance travel, the freighter aircraft comprising a blended wing body having a main body, a transition, and wings with no clear demarcation between the wings and the main body along a leading edge of the freighter aircraft, at least a propulsor, the at least a propulsor attached to a portion of the main body and configured to propel the freighter aircraft through air, a fuel storage located within the blended wing body, the fuel storage having a fuel capacity wherein the fuel capacity is configured for long-range flight, and a cargo bay located within the main body; the cargo bay configured to have a freighter capacity, wherein freighter aircraft is a long-range aircraft, the freighter aircraft including a ton-miles per sortie between 135,000 and 450,000.