Aerial Delivery System for Controlled Firefighting Payload Release

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Solution Overview

Problem

Conventional aerial firefighting aircraft lack the ability to adjust payload release over multiple targets or release only a portion of the payload as needed, limiting effectiveness in missions with shifting winds and rugged terrain.

Innovation Solution

An aerial delivery system comprising a sleeve with a stay structure, end cap, vertical restraint system, and deployment strap, allowing for controlled release of material by severing restraints and deploying straps to distribute payloads accurately over multiple targets.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If conventional airtankers dump payloads over single targets, then the payload delivery is simple and reliable, but the system cannot adapt to multiple targets or changing conditions

Engineering Contradiction:

Improveability to deliver payload to multiple targetsVSAvoidcomplexity of payload release mechanism

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The payload container is divided into multiple separate compartments or sections, each capable of independent release. This segmentation allows different portions of the payload to be delivered to different targets or at different times, enabling multi-target capability while keeping each release mechanism relatively simple and reliable.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The payload release system incorporates dynamic control mechanisms that allow the operator to selectively release different portions of the payload based on real-time conditions. This includes adjustable release points, variable release timing, and the ability to respond to changing wind conditions or target priorities, providing adaptability without requiring overly complex systems.

Inventive Principle:

Principle #15Dynamics

2Reliability

If airtankers fly at low altitudes under 300 feet, then the effectiveness of dumped material is improved, but the aircraft are exposed to thick smoke, shifting winds, and rugged terrain

Engineering Contradiction:

Improveeffectiveness of material deliveryVSAvoidexposure to smoke, winds, and terrain obstacles

Core Design Contradiction:

ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The system performs preliminary actions by pre-positioning the payload release mechanisms and pre-calculating release points based on predicted wind conditions and target locations. This allows the aircraft to maintain higher altitudes for safety while still achieving accurate payload delivery through advance planning and automated release timing.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The invention introduces intermediary devices such as payload dispensing mechanisms that can release material over a broader area or at varying distances from the aircraft. This intermediary system acts as a buffer, allowing the aircraft to operate at safer altitudes while still delivering effective payloads by adjusting the dispersion characteristics of the release mechanism.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Adaptability or versatility

If the entire payload is released over a single target, then the release mechanism is simple, but the system cannot adapt when only a portion of the payload is needed or when multiple targets require attention

Engineering Contradiction:

Improveability to release partial payloadVSAvoidcomplexity of payload control system

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different portions of the payload are assigned different release characteristics or destinations based on local requirements. The system can selectively release specific compartments or portions of the payload to specific targets based on real-time needs, providing localized control over payload distribution without requiring complete system complexity.

Inventive Principle:

Principle #3Local quality

Data Source

PatentUS9138604B2Aerial delivery system

Publication Date: 2015.09.22 INTERNATIONAL BUSINESS MACHINE CORPORATION

AI summary

This disclosure is directed to apparatuses, systems, and methods associated with the aerial delivery of materials in a manner that is inexpensive, accurate, efficient, and effective. More specifically this disclosure teaches deploying an aerial delivery container holding some material from an aircraft and releasing the material from the aerial delivery container, all in a controlled manner, while the aerial delivery container is airborne. With reference to the exemplary embodiments, the apparatuses, systems and methods of the present disclosure are taught within the context of releasing a firefighting suppressant over a fire.