Modular Battery Pods for Aircraft
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Solution Overview
Problem
Current aircraft propulsion systems are inefficient, converting only one-third of fuel energy to thrust, with the remaining energy wasted as heat and turbulence, and existing battery technologies can only power short-range flights, necessitating improved power solutions for longer ranges while addressing environmental concerns.
Innovation Solution
The implementation of an electric propulsion system with removable battery pods that can be easily swapped and charged externally, utilizing high-energy density batteries like lithium-ion or hydrogen cells, and an engagement system for secure attachment to the aircraft, allowing for efficient power distribution and reduced turnaround times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If current battery technology is used to power an aircraft, then the aircraft can be powered electrically, but the flight range is limited to short distances
Solution Approach 1:
The battery system is divided into multiple separate battery pods that can be independently attached and detached from the aircraft. Each pod contains a portion of the total battery capacity, allowing the aircraft to carry multiple pods for extended range or use fewer pods for shorter flights, thus resolving the contradiction between flight range and battery capacity.
2Productivity
If battery pods are integrated into the aircraft structure, then the power system is compact, but the charging time increases aircraft turnaround time
Solution Approach 1:
The battery pods are extracted from the aircraft structure as separate, removable units. This allows the battery charging process to occur outside the aircraft, independent of the aircraft's operational schedule. While the aircraft is preparing for its next flight, the battery pods can be charged separately, eliminating the constraint where aircraft turnaround time must wait for battery charging.
Solution Approach 2:
Battery pods can be charged in advance before being attached to the aircraft. The engagement system allows pre-charged battery pods to be quickly swapped onto the aircraft, reducing turnaround time by performing the charging action beforehand rather than during the aircraft's preparation for flight.
3Duration of action of moving object
If multiple battery pods are attached to the aircraft, then the flight range is extended, but the device complexity increases
Solution Approach 1:
The engagement system is designed as a universal interface that can accommodate multiple identical battery pods. Each pod uses the same connector and mounting mechanism, allowing the system to scale from one to multiple pods without increasing complexity. The standardized interface means that adding more pods does not require additional unique components or complex control systems.
Data Source
AI summary
An aircraft comprises an airframe, an electric propulsion system, a number of battery pods, and an engagement system. The number of battery pods has a physical connector system. The engagement system is attached to the airframe and is capable of engaging the physical connector system to connect the number of battery pods to the airframe.