Ventilation Device Sound-Damping Box and Humidifier Attachment
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Solution Overview
Problem
Existing ventilation devices for breathing assistance are cumbersome in connecting humidifiers, produce excessive noise, and have inefficient sound isolation, which affects their size, usability, and noise generation.
Innovation Solution
A ventilation device with a semi-enclosed sound-damping box that integrates a blower and humidifier system, using elastomeric materials and modular design to minimize noise through air flow diversion and sound-damping materials, and a secure, easy-to-use humidifier attachment mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the blower is isolated from the rest of the device using traditional methods, then noise is reduced, but the device becomes cumbersome and complicated
Solution Approach 1:
The patent combines the sound-damping function with the housing structure itself. The housing walls are designed to act as sound-damping barriers, eliminating the need for separate sound-damping boxes or isolation chambers. This integration reduces structural complexity while maintaining noise reduction effectiveness.
Solution Approach 2:
The housing structure serves multiple functions simultaneously: it provides mechanical support, defines the device boundaries, and acts as a sound-damping barrier. This multi-functionality eliminates the need for dedicated sound isolation components, reducing overall device complexity.
2Adaptability or versatility
If a blower motor is used as the gas source, then the device becomes independent of stationary gas sources, but the device size increases unnecessarily
Solution Approach 1:
The blower motor is integrated into the existing housing structure and components are nested within available spaces. The sound-damping materials are placed within the housing walls, and the humidifier connection mechanism utilizes the existing device footprint, minimizing overall size increase.
Solution Approach 2:
The patent uses thin film or flexible membrane structures for sound damping rather than bulky rigid barriers. This allows effective noise isolation from the blower motor while occupying minimal space within the device housing.
3Ease of operation
If traditional humidifier connection methods are used, then the humidifier can be connected to the device, but the connection becomes clumsy and unattractive
Solution Approach 1:
The patent introduces a simple intermediary coupling mechanism that mediates between the humidifier and the device. This coupling uses basic mechanical elements like clips or snap-fits that are easy to operate while maintaining a clean appearance and integrating seamlessly with the device housing.
4Object-affected harmful factors
If sound-damping materials are added to isolate the blower, then noise is reduced, but the construction becomes cumbersome
Solution Approach 1:
The sound-damping function is merged into the housing wall construction itself. The housing walls are designed with sound-absorbing properties either through material selection or internal structure, eliminating the need for separate sound-damping components and simplifying manufacturing.
Solution Approach 2:
The housing uses composite materials that combine structural integrity with sound-damping properties. This allows the housing to serve both mechanical and acoustic functions simultaneously, simplifying construction while maintaining noise reduction effectiveness.
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 solution significantly reduces noise production, simplifies the device's construction and operation, and enhances the humidification process while maintaining effective respiratory gas delivery.
Implementation Method 1
The sealing action can be achieved simply the application of pressure, by clamping, by adhesive bonding, and/or by screwing the box onto the foam.
Implementation Method 2
A simple seal of foam material fulfills the functions of sealing the sound-damping box, of damping the sound
Implementation Method 3
using elastomeric materials and modular design to minimize noise through air flow diversion and sound-damping materials
Implementation Method 4
damping the sound
Data Source
AI summary
A ventilator with integrated breathing air humidifier has at least two defined air pathways provided in the breathing air humidifier. The breathing air humidifier is installed and fixed on a horizontal surface of the ventilator. The breathing air humidifier comprises at least a top part and a bottom part, a water reservoir being provided in the bottom part, wherein the top part cannot be removed from the bottom part when the unit is in at least one operating mode. The ventilator may have an air humidifier with at least one water reservoir, and at least one filling device for the water reservoir in the breathing air humidifier, wherein the filing device can be operated with one hand and/or opened with one hand.