Fuselage-Integrated Battery Housing for Electric Aircraft Space Saving
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Solution Overview
Problem
Existing battery housings for electric aircraft are bulky, complex, and heavy, occupying valuable space inside the aircraft, reducing flexibility and increasing weight, and require complex mounting and maintenance procedures.
Innovation Solution
A battery housing with an outer wall designed to form part of the aircraft's fuselage, providing both structural support and aerodynamic shape, allowing for reduced weight and space usage, and featuring a mounting interface for easy access and detachability, overpressure ports for safety, and compartmentalization for battery cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the battery housing is placed inside the aircraft to protect the battery device, then the security and protection of the battery device is improved, but the space for cargo load and passenger space is reduced
Solution Approach 1:
The patent merges the battery housing with the fuselage by making the outer wall of the battery housing form part of the fuselage structure. This integration eliminates the need for a separate internal housing, thereby protecting the battery device while maximizing the available space for cargo and passengers.
Solution Approach 2:
The outer wall of the battery housing serves dual functions: it protects the battery device and simultaneously forms part of the fuselage structure. This multi-functionality resolves the contradiction by achieving protection without sacrificing additional space.
2Reliability
If a complex battery housing is used to provide security and coverage, then the protection of the battery device is improved, but the manufacturing and mounting complexity increases
Solution Approach 1:
By integrating the battery housing with the fuselage structure, the patent reduces the number of separate components that need to be manufactured and assembled. The outer wall serves both as protective housing and structural fuselage element, thereby reducing manufacturing and mounting complexity.
3Reliability
If a traditional battery housing is used to protect the battery device, then the security of the battery device is improved, but the weight of the aircraft increases
Solution Approach 1:
The patent combines the battery housing function with the existing fuselage structure, eliminating the need for additional protective housing material. The fuselage itself serves as the protective outer wall, thereby reducing the overall weight compared to a separate battery housing design.
Solution Approach 2:
The fuselage structure performs the dual function of providing aerodynamic coverage and protecting the battery device. This multi-functionality eliminates the need for redundant protective structures, thereby reducing weight.
4Volume of moving object
If the battery housing is integrated into the fuselage, then the space utilization is improved, but the accessibility for maintenance and mounting becomes more difficult
Solution Approach 1:
The patent divides the fuselage into modular sections, with the battery housing forming a distinct module within the fuselage structure. This segmentation allows for targeted access to the battery device through specific fuselage openings without requiring disassembly of the entire fuselage, thereby maintaining space efficiency while enabling maintenance accessibility.
Data Source
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AI summary
The invention is related to a Battery housing (10) for accommodating a battery device (20) with multiple battery cells (22) for an electric aircraft (100), comprising at least one inner wall (30) and at least one outer wall (40) forming together a battery volume (50) for holding the multiple battery cells (22), characterised in that the at least one outer wall (40) comprises an outside surface (42) wherein the outside surface (42) has an aerodynamical shape for completing a part of a fuselage (110) of the electric aircraft (100).