Portable Oxygen Cartridge with Adsorbent Bed
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Solution Overview
Problem
Conventional emergency oxygen sources, such as gas pipelines or cylinders, are not suitable for providing oxygen in harmful, hypoxic atmospheres like those encountered during fires, due to safety concerns and mobility issues, and existing portable systems face limitations in providing oxygen for extended periods.
Innovation Solution
A portable emergency oxygen distribution assembly comprising a tubular oxygen storage cartridge with gas flow control valves and an adsorbent bed containing zeolite particles, connected to a gas reservoir and respiratory interface, allowing controlled oxygen supply and increased storage capacity through adsorption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional high-pressure oxygen cylinders are used, then oxygen supply capacity is sufficient, but weight and bulkiness increase significantly
Solution Approach 1:
The oxygen storage system is divided into multiple separate cartridges (first cartridge, second cartridge, etc.) that can be independently handled and replaced. Each cartridge contains a portion of the total oxygen capacity, allowing the system to maintain high oxygen supply capability while keeping individual components lightweight and manageable for rescuers.
2Reliability
If high-pressure oxygen cylinders are placed in buildings, then emergency oxygen availability improves, but safety risks increase due to theft and misuse
Solution Approach 1:
The system employs disposable or easily replaceable cartridges that can be distributed throughout buildings in greater numbers. These cartridges are designed for single-use or limited-use scenarios, reducing the need for secure storage of valuable reusable cylinders while maintaining reliable oxygen availability. The modular design allows for widespread distribution without concentrating high-value equipment in few locations.
3Quantity of substance
If conventional oxygen cylinders are used, then oxygen storage capacity is sufficient, but mobility and transportability decrease
Solution Approach 1:
The oxygen storage system is divided into multiple separate cartridges (first cartridge, second cartridge, etc.) that can be independently handled and replaced. Each cartridge contains a portion of the total oxygen capacity, allowing the system to maintain high oxygen supply capability while keeping individual components lightweight and manageable for rescuers.
Solution Approach 2:
Multiple cartridges can be nested or stacked within each other or stored in compact configurations when not in use. The cartridges are designed to fit together efficiently, allowing rescuers to transport multiple units in a compact manner, thereby improving mobility while maintaining adequate oxygen supply capacity.
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 a reliable and portable supply of oxygen for several tens of minutes in harmful environments, effectively addressing the limitations of conventional systems by providing a compact, safe, and efficient means to counteract hypoxic conditions.
Implementation Method 1
The internal volume comprises a central chamber containing at least one adsorbent bed
Implementation Method 2
at least one gas flow control valve is arranged at each of the two ends
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The invention relates to a portable emergency oxygen delivery system (50) comprising a portable oxygen storage cartridge (1) with a tubular body (13) closed at two opposite ends (13A, 13B) and defining an internal volume (12) for oxygen storage. A gas flow control valve (2, 3) is arranged at the opposite ends (13A, 13B). The internal volume (12) comprises a central chamber (124) containing at least one bed of adsorbent (14), located between a first gas collection chamber (121) and a second gas collection chamber (122). Each gas flow control valve (2, 3) controls the gas inflow and outflow from the internal volume (12) during the user's inspiratory and expiratory phases. The cartridge (1) is fluidically connected to a gas reservoir (5) and a breathing interface (7).