Modular Pneumatic Line Ventilation Device Maintenance
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Solution Overview
Problem
Existing ventilation devices lack ease of maintenance, adaptability to different hose systems, and quiet operation, with complex designs that complicate component replacement and cleaning.
Innovation Solution
A ventilation device with a modular pneumatic unit designed as a removable pneumatic line that includes a support frame with components like the breathing gas drive, sound units, and measuring units, allowing for quick removal and replacement of components, and a unique cooling air path arrangement for effective cooling and noise reduction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the ventilation device uses a complex integrated design, then the device functionality is comprehensive, but the ease of maintenance and component replacement deteriorates
Solution Approach 1:
The ventilation device is divided into modular components including a removable pneumatic line unit, separate cooling unit, and interchangeable hose system. This segmentation allows individual components to be maintained or replaced independently without affecting the entire device, directly resolving the contradiction between comprehensive functionality and ease of maintenance.
2Device complexity
If the ventilation device uses a fixed hose system, then the device structure is simple, but the adaptability to different hose systems deteriorates
Solution Approach 1:
The device incorporates a universal connection interface that accepts different hose system types (single-limb, double-limb, leakage systems) through a standardized coupling mechanism. This allows the same device structure to adapt to multiple hose configurations without requiring complex internal modifications, resolving the contradiction between structural simplicity and hose system adaptability.
3Power
If the ventilation device operates with high power components, then the ventilation performance is sufficient, but the noise level increases
Solution Approach 1:
The device incorporates sound insulation elements and acoustic damping materials as intermediary components between the high-power ventilation components and the external environment. These intermediaries absorb and attenuate noise while allowing the high-power components to operate at full capacity, thus maintaining ventilation performance while reducing noise emission.
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 quick and safe maintenance, adaptability to various hose systems without modifying the device, and operates quietly due to the modular design and sound insulation features.
Implementation Method 1
a cooling fan (17), wherein the cooling fan (17) generates a flow of cooled air within the housing (11)
Implementation Method 2
the pneumatic line (18) forms a respiratory gas path from a device inlet (19) to a device outlet (20) of the housing (11)
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The present invention relates to a device (10) for ventilation comprising a housing (11), a user interface (47) and a pneumatic unit (12), wherein the pneumatic unit comprises at least one of each of the components respiratory gas actuator (13), measuring unit (14), control unit (32) and sound unit (22), wherein the pneumatic unit is designed as a pneumatic line (18) which forms a respiratory gas path (B) from a device inlet (19) to a device outlet (20) of the housing, and wherein at least one component of the pneumatic unit or the pneumatic line is removable from the housing, wherein the housing has a top wall (24), at least one bottom wall (25) and at least two side walls (26), wherein at least one side wall is configured as an optional bottom wall (27), and at least one relatively heavy component, such as in particular the respiratory gas actuator, is arranged in the housing such that when the device is oriented on both the bottom wall,as well as on the side wall, which serves as an optional floor wall, where the heavy component creates a center of gravity.