Airbag Payload Ejection System for High-Velocity Rocket Deployment
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Solution Overview
Problem
Existing payload deployment systems are heavy, bulky, and costly, and lack the accuracy required for high-velocity rocket applications where precise payload ejection is necessary, especially in limited spatial areas with specific velocity vectors.
Innovation Solution
An airbag ejection system coupled with a payload separation system and a controller that inflates the airbag and signals the payload separation to release the payload, allowing for precise control over deployment angle and timing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If pyrotechnic devices or spring-loaded rail devices are used for payload deployment, then the system provides sufficient accuracy for maneuverable aircraft or spacecraft, but the system becomes undesirably heavy, bulky, and costly
Solution Approach 1:
The patent replaces traditional mechanical deployment systems (pyrotechnic devices, spring-loaded rail devices) with an airbag-based ejection system. The airbag uses pneumatic pressure to accelerate the payload along a guide surface, eliminating the need for heavy mechanical rails and pyrotechnic components while maintaining deployment accuracy.
Solution Approach 2:
The invention employs an airbag inflated with gas or air to provide the propulsive force for payload ejection. The pneumatic system generates controlled pressure to accelerate the payload along a desired velocity vector, offering a lightweight alternative to mechanical spring systems while achieving sufficient deployment precision.
2Measurement precision
If pyrotechnic devices or spring-loaded rail devices are used for payload deployment, then the system provides sufficient accuracy for maneuverable aircraft or spacecraft, but the system becomes costly to implement
Solution Approach 1:
The airbag ejection system uses disposable, inexpensive components compared to expensive pyrotechnic devices and precision mechanical rails. The airbag can be made from simple materials and discarded after single use, significantly reducing system cost while maintaining adequate deployment accuracy for the application.
Solution Approach 2:
By replacing expensive mechanical deployment mechanisms with a simpler pneumatic airbag system, the invention reduces manufacturing costs and system complexity while achieving the necessary payload deployment accuracy through pneumatic acceleration along a guide surface.
3Device complexity
If traditional payload deployment systems are used, then the system is simple to implement, but the system is incapable of providing sufficiently accurate payload deployment in high velocity rocket applications with limited spatial area
Solution Approach 1:
The invention introduces a guide surface as an intermediary between the airbag and payload. This guide surface constrains the payload's motion path, ensuring accurate velocity vector control during ejection from the high-velocity rocket. The airbag provides propulsive force while the guide surface ensures precise trajectory control within limited spatial constraints.
Solution Approach 2:
The pneumatic airbag system provides controlled, scalable acceleration that can achieve the high velocities required for rocket applications. By adjusting airbag pressure and duration, the system can precisely control payload velocity vectors within constrained spatial areas, meeting the demanding requirements of high-velocity rocket deployment.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The airbag ejection system provides a lightweight, cost-effective, and accurate method for ejecting payloads from high-velocity vehicles, enabling precise deployment in constrained environments.
Implementation Method 1
a motor configured to inflate the airbag
Data Source
AI summary
An ejection system for ejecting a payload from a payload delivery vehicle is provided. The ejection system includes an airbag ejection system configured to eject the payload from the payload delivery vehicle, a payload separation system configured to selectively couple the payload to the airbag ejection system, and a controller configured to inflate the airbag ejection system and further configured to signal the payload separation system to release the payload from the airbag ejection system.