Ejectable Passenger Modules for Aircraft Safety

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Solution Overview

Problem

Current passenger aircraft designs lack effective evacuation systems for passengers in the event of a fatal condition during flight, making them vulnerable to substantial loss of life upon crash.

Innovation Solution

The aircraft is equipped with detachable passenger modules that can be ejected using a controller-activated system, featuring cutting elements, parachutes, inflatable floors, and survival elements to ensure safe descent and protection of passengers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional aircraft designs are used without evacuation systems, then the aircraft structure remains simple and cost-effective, but passenger safety in fatal conditions deteriorates with substantial loss of life

Engineering Contradiction:
Improvepassenger safetyVSAvoidevacuation system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The aircraft cabin is divided into multiple detachable passenger modules, each capable of independent ejection. This segmentation allows the evacuation system to be integrated into modular units rather than requiring a complex whole-system evacuation mechanism, resolving the contradiction between safety and complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Passenger modules are pre-positioned within the aircraft cabin structure during normal operation. In the event of a fatal condition, these pre-positioned modules can be rapidly ejected without requiring complex real-time assembly or preparation, thereby improving passenger safety while maintaining system simplicity.

Inventive Principle:
Principle #10Preliminary action

2Speed

If military or lightweight aircraft evacuation solutions such as personal parachutes or ejection seats are used, then passenger evacuation speed improves, but the solution becomes infeasible due to the large size and number of passengers in commercial aircraft

Engineering Contradiction:
Improveevacuation speedVSAvoidapplicability to large aircraft
Core Design Contradiction:
SpeedVSAdaptability or versatility

Solution Approach 1:

Instead of using individual parachutes or ejection seats for each passenger, the system segments passengers into modular groups contained within detachable passenger modules. This allows rapid ejection of multiple passengers simultaneously as a unified unit, adapting the fast-evacuation concept to large commercial aircraft where individual evacuation methods are impractical.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Multiple passengers are combined into a single detachable passenger module that is ejected as one unit. This merging approach enables rapid evacuation of large numbers of passengers while maintaining the speed benefits of ejection systems, making the solution adaptable to commercial aircraft sizes.

Inventive Principle:
Principle #5Merging (Combining)

3Reliability

If detachable passenger modules with ejection capability are implemented, then passenger protection in fatal conditions improves, but the aircraft structure and system complexity increase

Engineering Contradiction:
Improvepassenger protectionVSAvoidmodule ejection system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The complex evacuation function is segmented into self-contained passenger modules that each include their own ejection capability, survival equipment, and structural integrity. This segmentation distributes the complexity across multiple independent units rather than requiring a single complex centralized system, improving passenger protection while managing overall system complexity.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Each detachable passenger module is designed as a multi-functional unit that provides seating during normal flight, rapid ejection capability in emergency, and survival functionality including parachutes and life-support equipment. This universality consolidates multiple systems into integrated modules, improving passenger protection without proportionally increasing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 system enables the safe ejection and protection of passengers by isolating them from hazardous conditions and providing a controlled descent, reducing the risk of loss of life in fatal aircraft scenarios.

Implementation Method 1

The passenger module (100) is equipped with a parachute (112) to slow its descent

Methodology Applied
Scientific EffectAir resistance: Drag

Implementation Method 2

The passenger module (100) is equipped with an inflatable floor (150) to cushion the impact of landing

Methodology Applied
Scientific EffectImpact absorption: Damping

Data Source

PatentEP3335983B1aircraft
Publication Date: 2020.09.09 GOODRICH CORP
  • EP3335983B1 patent drawingFigure 1
  • EP3335983B1 patent drawingFigure 2a~2b
  • EP3335983B1 patent drawingFigure 2c~2d

AI summary

The present disclosure relates to an aircraft comprising a passenger module (100), and also a method of protecting a passenger on an aircraft. The passenger module (100) is configured to be ejected through a skin (10) of the aircraft in response to an ejection command. The ejection command may be given in response to a fatal condition to the aircraft being detected or manually indicated.