Dual-Cavity UAV Envelope for Targeted Package Delivery

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Solution Overview

Problem

Current package delivery systems rely heavily on human intervention, which can be inefficient and costly, especially in urban areas where traffic and congestion are significant.

Innovation Solution

The development of an unmanned aerial vehicle (UAV) with a dual cavity envelope and a drone body capable of delivering packages to targeted destinations, utilizing lift gases, propellers, and image capture devices for precise navigation and delivery.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If human delivery systems are used, then packages can be delivered to customers, but delivery efficiency is reduced and labor costs increase due to traffic and congestion

Engineering Contradiction:

Improvedelivery efficiencyVSAvoiddelivery time

Core Design Contradiction:

ProductivityVSLoss of time

Solution Approach 1:

The patent replaces the traditional ground-based mechanical delivery system (trucks, bikes, and human labor) with an aerial delivery system using UAVs (unmanned aerial vehicles). This substitution eliminates the delivery vehicles from ground traffic, allowing packages to be delivered through the air above congestion zones, thereby significantly improving delivery efficiency and reducing delivery time.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces an intermediate facility (aerial delivery station or drone port) that serves as a transfer point between ground-based fulfillment centers and aerial UAV delivery vehicles. This intermediary enables seamless transition of packages from ground to air transport, facilitating efficient aerial delivery while maintaining connection to existing ground-based logistics infrastructure.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Productivity

If automated UAV delivery systems are implemented, then delivery speed and efficiency improve, but system complexity increases due to dual cavity envelope, image capture devices, and guidance systems

Engineering Contradiction:

Improvedelivery speedVSAvoidUAV system complexity

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The patent integrates multiple functions into the UAV delivery system: the dual cavity envelope provides both structural support and aerodynamic control surfaces, the image capture device serves both navigation and delivery verification purposes, and the guidance system handles both autonomous navigation and precision targeting. This multi-functionality reduces the need for separate dedicated components, managing system complexity while maintaining high delivery speed.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent combines several critical subsystems into integrated units: the guidance, navigation, and control systems are merged into a unified autonomous control architecture; the image capture device is integrated with the guidance system for combined navigation and verification functions; and the dual cavity envelope structure incorporates both structural and aerodynamic control functions in a single integrated design.

Inventive Principle:

Principle #5Merging (Combining)

3Adaptability or versatility

If packages are delivered through storage compartments during flight, then delivery capability is enabled, but package condition may deteriorate without protection from environmental factors

Engineering Contradiction:

Improvedelivery capabilityVSAvoidpackage condition

Core Design Contradiction:

Adaptability or versatilityVSReliability

Solution Approach 1:

The patent employs flexible thermal insulation films and protective coverings within the storage compartment to maintain package condition during aerial transport. These flexible thermal films provide thermal protection while allowing the storage compartment to remain accessible and adaptable for different package types, ensuring both delivery capability and package reliability.

Inventive Principle:

Principle #30Flexible shells and thin films

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

This solution enables automated package delivery, reducing the need for human labor, improving delivery speed and efficiency, and ensuring packages are delivered in optimal condition using air bladders and film heaters.

Implementation Method 1

The dual cavity envelope contains two separate lift gases, such as helium and hot air, providing lift and reducing strain on the drone component of the UAV

Methodology Applied

Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Implementation Method 2

utilizing air bladders and film heaters to ensure the package is delivered to the customer in optimal condition

Methodology Applied

Scientific EffectHeating: Heating

Data Source

PatentUS12202350B2Unmanned aerial vehicle and method of targeted package delivery

Publication Date: 2025.01.21 PRATT JR ROBERT IRVING

AI summary

An unmanned aerial vehicle (“UAV”) having an envelope and a drone body capable of delivering packages is disclosed. Methods for utilizing UAVs to deliver packages and systems for housing UAVs are also disclosed. In one aspect, a UAV includes a dual cavity envelope having an ellipsoid shape with a first internal cavity and a second internal cavity, the first internal cavity configured to hold a lighter than air gas, the second internal cavity configured to hold a heated gas, and a drone body attached to and located below the dual cavity vertical envelope.