Respiratory Gas Humidification Assembly with Pivotable Tank Cover
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Solution Overview
Problem
Existing respiratory ventilation systems face challenges in efficiently delivering humidified respiratory gas while maintaining a compact design, reducing noise, and ensuring easy maintenance and cleaning of humidification components.
Innovation Solution
A humidification assembly with layered shell structure and intersecting gas passages that enhance humidification efficiency, reduce noise, and facilitate easy maintenance, featuring a pivotable tank cover for secure gas-tight connections and simplified liquid filling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the humidification assembly uses a compact design with integrated gas passages in the shell, then the device size is reduced, but the tank opening size is limited making maintenance and cleaning difficult
Solution Approach 1:
The humidification assembly is divided into separate functional components: the shell containing gas passages, and the tank with its own cover. This segmentation allows the tank to be independently removed and cleaned through its dedicated filling opening, while the shell maintains its compact integrated gas passage design. The tank cover can be opened to provide access to the tank interior for cleaning without disassembling the entire assembly.
2Object-affected harmful factors
If the gas passages are positioned to maximize humidification efficiency, then noise is reduced, but the structural complexity increases
Solution Approach 1:
The gas passages are nested within the shell structure, with the first gas passage and second gas passage integrated into the shell's walls. The tank is positioned within the liquid chamber formed by the shell, creating a nested arrangement where the gas passages are embedded in the shell that contains the tank. This nesting reduces noise by containing gas flow within the shell structure while maintaining a relatively simple overall structure.
3Ease of operation
If the tank cover is made pivotable for easy opening and closing, then ease of operation is improved, but reliability of gas-tight connection may be compromised
Solution Approach 1:
The tank cover is designed to pivot relative to the tank through a connection mechanism, transitioning from a static to a dynamic connection. This allows the cover to be easily opened and closed for filling operations, then securely locked in place during operation to maintain gas-tight sealing. The dynamic connection adapts between ease of operation during maintenance and reliability during normal use.
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 achieves efficient humidification with reduced noise and mechanical interference, allowing for easy cleaning and maintenance, while ensuring secure gas-tight connections and user-friendly operation.
Implementation Method 1
a humidification assembly configured to humidify the pressurized respiratory gas
Data Source
AI summary
A humidification assembly configured to humidify a pressurized respiratory gas is provided. The humidification assembly may include a liquid chamber configured to accommodate one or more liquids, the liquid chamber including a tank and a tank cover. The tank cover includes a shell, a humidification assembly gas inlet port, a humidification assembly gas outlet port, a first gas passage including an output port, and a second gas passage including an input port. The humidification assembly gas inlet port is configured to introduce the pressurized respiratory gas, via the first gas passage, into the tank. The humidification assembly gas outlet port is configured to introduce the humidified and pressurized respiratory gas, via the second gas passage back into a main body of the respiratory ventilation apparatus. The humidification assembly gas inlet port and the humidification assembly gas outlet port are set on a same side surface of the shell.