Aircraft Wing Nozzle Array for Single-Pass Skywriting

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Solution Overview

Problem

Conventional skywriting is inefficient and expensive due to labor-intensive methods, limited message conveyance, and reliance on appropriate weather conditions, requiring multiple aircraft passes and precise flight paths to generate readable messages.

Innovation Solution

A system and method for generating indicia in the sky using a single aircraft pass, employing a plurality of nozzles along the aircraft's wings, controlled by a controller to produce plumes or cloud bursts, with a light source projecting messages onto the plumes or cloud bursts to create dynamic and readable messages.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If multiple aircraft are employed to generate skywriting messages, then message readability is improved, but cost and operational complexity increase substantially

Engineering Contradiction:
Improvemessage readabilityVSAvoidfleet coordination complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The patent divides the skywriting system into multiple independently controllable nozzles distributed along the aircraft wingspan. Each nozzle can be individually actuated to deposit vapor or smoke at specific locations, allowing a single aircraft to perform functions previously requiring multiple aircraft. This segmentation enables precise control of message formation without needing multiple coordinated aircraft.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system employs dynamic control of nozzle actuation based on real-time aircraft position, speed, and attitude. The controller adjusts which nozzles are activated and when, allowing the single aircraft to dynamically create and modify skywriting messages during flight. This dynamic approach replaces the static coordination requirements of multiple aircraft with flexible single-aircraft control.

Inventive Principle:
Principle #15Dynamics

2Loss of energy

If single aircraft is used for skywriting, then operational cost is reduced, but message writing time and passes required increase

Engineering Contradiction:
Improveoperational costVSAvoidmessage writing speed
Core Design Contradiction:
Loss of energyVSProductivity

Solution Approach 1:

Multiple nozzles distributed across the wingspan allow the single aircraft to deposit material simultaneously at multiple points along the flight path. This parallel deposition capability maintains message writing speed comparable to multiple-aircraft systems while reducing operational costs by using only one aircraft.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The system enables continuous message formation throughout the aircraft's flight path by having nozzles actuated sequentially or simultaneously as different sections of the wingspan pass over the target area. This continuous action eliminates the need for multiple discrete passes, maintaining high productivity with a single aircraft.

Inventive Principle:
Principle #20Continuity of useful action

3Quantity of substance

If conventional skywriting methods are used, then equipment cost is reduced, but labor intensity and precision requirements increase

Engineering Contradiction:
Improvevapor/smoke depositionVSAvoidflying precision required
Core Design Contradiction:
Quantity of substanceVSEase of operation

Solution Approach 1:

The system incorporates sensors and controllers that monitor aircraft position, speed, and nozzle actuation in real-time. This feedback loop automatically adjusts nozzle timing and activation to compensate for variations in flight parameters, reducing the precision flying previously required. The automated control system handles the complexity of coordinate mapping and nozzle sequencing, making operation easier while maintaining accurate message formation.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The patent replaces the mechanical skill of precise manual flying with an automated electronic control system. The controller computer calculates nozzle actuation timing based on aircraft telemetry data, substituting automated computation and control for manual pilot skill. This reduces labor intensity and makes the system easier to operate while maintaining or improving message accuracy.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

Enables efficient and cost-effective skywriting by utilizing existing aircraft, reducing labor and equipment costs, and allowing for message generation under appropriate weather conditions without deviating from predetermined flight paths, enhancing visibility and readability of messages near population centers.

Implementation Method 1

a light source configured to project indicia on the plurality of plumes

Methodology Applied
Scientific EffectLight scattering: Scattering

Implementation Method 2

the light source projects indicia on the plurality of plumes by producing a wavelength of light absorbed by the ice crystals to melt selected areas of ice crystals of the plurality of plumes

Methodology Applied
Scientific EffectLaser heating: Laser

Implementation Method 3

producing a wavelength of light absorbed by the ice crystals

Methodology Applied
Scientific EffectAbsorption of electromagnetic radiation: Absorption (EM radiation)

Implementation Method 4

the tank includes water and the plume from each nozzle includes a water vapor plume

Methodology Applied
Scientific EffectVaporization: Evaporation

Data Source

PatentUS11250742B2Aircraft skywriting method, apparatus, and system
Publication Date: 2022.02.15 THE BOEING CO
  • US11250742B2 patent drawing
  • US11250742B2 patent drawing
  • US11250742B2 patent drawing

AI summary

A method, system and apparatus are provided for generating indicia in the sky using a single pass of an aircraft. A system of an embodiment for communicating a message from an aircraft includes: a plurality of valves; a plurality of nozzles, where each nozzle is associated with a corresponding valve, and where the plurality of nozzles are distributed along a span of a wing of the aircraft; at least one tank in fluid communication with the plurality of valves; and a controller configured to individually control each of the plurality of valves, where the controller is configured to individually actuate the plurality of valves to generate, from contents of the tank received at each nozzle, cloud bursts to be suspended in the air.