Expandable Aerial Vehicle Components Manufacturing System

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Solution Overview

Problem

The manual and time-consuming process of manufacturing aerial vehicles from various components is costly and inefficient, necessitating an automated and cost-effective method for their production.

Innovation Solution

The development of expandable components made from materials like carbon fiber and fiberglass, which can be fabricated in a compressed configuration and expanded using heat and pressure, allowing for the integration of adhesive bladders and expanding foam to form structural shapes, enabling efficient and automated assembly of aerial vehicle frames and components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual manufacturing methods are used for aerial vehicle components, then manufacturing precision can be maintained, but productivity is low and production time is excessive

Engineering Contradiction:
Improveproduction speedVSAvoidproduction time
Core Design Contradiction:
ProductivityVSLoss of time

Solution Approach 1:

The patent applies preliminary action by pre-fabricating components in a compressed configuration before final assembly. Components are manufactured in advance in a compact state, then rapidly expanded to final dimensions during assembly, eliminating time-consuming on-site fabrication and significantly reducing production time

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent utilizes parameter changes by transforming components from a compressed state to an expanded state through controlled expansion mechanisms. This parameter transformation allows components to change volume and dimensions rapidly, enabling fast assembly without compromising final dimensional accuracy or structural integrity

Inventive Principle:
Principle #35Parameter changes

2Productivity

If automated manufacturing is implemented, then productivity increases, but device complexity increases

Engineering Contradiction:
Improvemanufacturing efficiencyVSAvoidsystem complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent applies segmentation by dividing the manufacturing system into modular components: expansion mechanisms, curing systems, and assembly units operate independently but coordinate through standardized interfaces. This modular approach enables automated high-speed manufacturing while keeping individual system modules relatively simple and manageable

Inventive Principle:
Principle #1Segmentation

3Volume of moving object

If components are manufactured in compressed configuration, then storage and transport efficiency improve, but manufacturing precision becomes more difficult to maintain

Engineering Contradiction:
Improvecomponent volumeVSAvoiddimensional accuracy
Core Design Contradiction:
Volume of moving objectVSManufacturing precision

Solution Approach 1:

The patent applies preliminary action by pre-establishing precise geometric features and tolerance zones in the compressed configuration before expansion. Critical dimensions and fit features are manufactured with high precision in the compact state, then maintained through controlled expansion processes that preserve dimensional accuracy while increasing volume

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent utilizes phase transitions by employing a controlled transformation from compressed to expanded state through systematic volume increase. This controlled phase transition ensures that dimensional relationships and geometric precision are maintained throughout the expansion process, achieving both compact storage and high manufacturing precision

Inventive Principle:
Principle #36Phase transitions

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 approach allows for the rapid expansion and curing of components into desired shapes, reducing production time and costs while enabling the integration of additional features like motors and avionics, thereby enhancing the efficiency and cost-effectiveness of aerial vehicle manufacturing.

Implementation Method 1

heating and/or pressurizing causes the expandable component to expand from a compressed configuration to an expanded configuration

Methodology Applied
Scientific EffectThermal expansion: Thermal Expansion

Implementation Method 2

heating and/or pressurizing causes the adhesive bladder and the outer structure to bond together

Methodology Applied
Scientific EffectHeating: Heating

Data Source

PatentUS11090845B1Manufacturing system for expandable aerial vehicle components
Publication Date: 2021.08.17 AMAZON TECH INC
  • US11090845B1 patent drawing
  • US11090845B1 patent drawing
  • US11090845B1 patent drawing

AI summary

Manufacturing systems for expandable components may include a controller, a heat and/or pressure source, and a transfer line. For example, the expandable components may be configured to transform from a compressed configuration to an expanded configuration upon application of heat and/or pressure. In addition, the controller may activate the heat and/or pressure source to release heat and/or gases that are directed to the expandable components via the transfer line. Further, the manufacturing system may also include an igniter, a manifold, and a valve to further control the release of heat and/or gases. Moreover, at least a portion of the heat and/or gases may be recaptured in a closed chamber and redirected to additional expandable components in other closed chambers. Furthermore, various post-processing may be performed on the components in their expanded configurations.