Pulse Oxygen System for Aircraft Using Breathing Detection
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Solution Overview
Problem
Chemical oxygen systems pose security risks due to flammable chemicals and heat generation, necessitating a safer alternative for providing supplemental oxygen in aircraft.
Innovation Solution
A pulse oxygen system comprising an oxygen mask, metering valve, breathing detector sensor, controller, oxygen regulator, and portable electronic power module, which delivers a pressure and time-regulated flow of pulsed oxygen based on real-time operational conditions, eliminating the need for chemicals and heat.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If chemical oxygen systems are used to provide oxygen protection, then oxygen delivery function is achieved, but security risks increase due to flammable chemicals and heat generation
Solution Approach 1:
The patent extracts and removes the harmful chemical components and heat-generating reaction mechanisms from the oxygen delivery system. Instead of using chemical oxygen generators, the system uses a mechanical/electronic pulse oxygen delivery mechanism that provides oxygen without combustion or chemical reactions, thereby eliminating fire hazards and heat generation while maintaining oxygen delivery functionality
Solution Approach 2:
The patent replaces the chemical reaction-based oxygen generation system with an electronic control system that uses a pulse delivery mechanism. The system employs an electronic controller, sensor, and valve assembly to mechanically and electronically regulate oxygen flow in pulses, substituting chemical processes with electronic-mechanical control to achieve safer oxygen delivery
2Reliability
If chemical oxygen systems are installed in aircraft, then oxygen protection is provided, but system weight and size constraints are challenging
Solution Approach 1:
The patent employs periodic pulsed oxygen delivery instead of continuous flow or chemical generation. The system delivers oxygen in controlled pulses timed to match respiratory cycles, using a pulse generator and valve assembly to provide intermittent oxygen flow. This periodic action reduces the total oxygen storage requirement and system weight while maintaining effective oxygen delivery during decompression events
3Reliability
If chemical oxygen systems are used, then oxygen delivery is achieved, but the system duration is limited
Solution Approach 1:
The patent implements a continuous pulse oxygen delivery system that can operate for extended durations. The electronic controller continuously monitors breathing patterns and oxygen levels, providing continuous pulsed oxygen delivery as needed. The system includes a rechargeable power source and can draw from additional oxygen cylinders, enabling prolonged operation far beyond the limited duration of chemical oxygen generators
Data Source
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AI summary
A pulse oxygen system and methods for providing oxygen to a user are disclosed. An oxygen mask coupled to a metering valve is provided to a user. An oxygen prescription delivery amount is determined based on and as a function of a real-time operation condition. A metering valve timing is calculated based on the oxygen prescription delivery amount to obtain a pulse delivery time. A pressure and time regulated flow of the oxygen prescription delivery amount of pulsed oxygen is then dispensed to the oxygen mask for a duration of the pulse delivery time in response to detecting the user breathing through the oxygen mask.