Improved diffuser for ventilation systems
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Solution Overview
Problem
Conventional diffusers in central ventilation systems and range hoods accumulate harmful substances like dirt, dust, and grease, reducing performance, causing hygiene issues, and requiring frequent cumbersome maintenance.
Innovation Solution
A diffuser design with a stationary part having a reservoir and a damper with circumferential movement, where the edges of apertures form particle channels for gravity-driven accumulation of particles, combined with a filter for improved separation, and mounting means for easy installation and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional diffusers are used in central ventilation systems, then air flow through the common discharge line is enabled, but harmful substances like dirt, dust, and grease accumulate on the diffuser surface, reducing performance and requiring frequent maintenance
Solution Approach 1:
The diffuser is divided into a stationary part and a rotatable damper part, allowing independent cleaning of each component. The damper can be rotated to access different surfaces for cleaning, making maintenance easier without disassembling the entire diffuser assembly.
Solution Approach 2:
The harmful accumulation problem is extracted by providing a separate collection container that can be detached and emptied independently. This allows the diffuser body to remain in place while the collected contaminants are removed, reducing maintenance burden.
2Productivity
If conventional diffusers without particle channels are used, then air flow is provided, but particles accumulate on the diffuser surface causing hygiene issues and noise
Solution Approach 1:
The particle channels convert the harmful accumulation of particles on the diffuser surface into a beneficial collection system. Particles that would normally accumulate and cause problems are instead directed into a collection container, turning a harmful effect into a manageable separation function.
Solution Approach 2:
The particle channels act as an intermediary structure between the air flow path and the collection container. They guide particles from the air stream into the collection area, separating contaminants from the breathable air without affecting the primary ventilation function.
3Adaptability or versatility
If a damper with circumferential movement is added to control air flow, then airflow regulation is improved, but device complexity increases
Solution Approach 1:
The rotatable damper serves multiple functions: it regulates air flow through angular positioning and simultaneously directs particles into the collection container through its radial structure. This multi-functionality reduces the need for separate components, actually simplifying the overall device despite the added movement capability.
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 design keeps the diffuser surface cleaner for longer periods, reduces noise and complexity, and facilitates maintenance by allowing particles to accumulate in a reservoir, improving airflow efficiency and reducing turbulence.
Implementation Method 1
edges of said first apertures (5) are adapted to protrude towards the outlet of the diffuser (100) in order to form a plurality of particle channels (4) between said first apertures (5) for the particles to flow through, wherein said particle channels (4) surround said reservoir (3) in order to allow said particles to accumulate within said reservoir (3) by way of gravity
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
The present invention relates to a diffuser (100) for ventilation of a medium through a ventilation system. The diffuser according to the present invention comprises a stationary part (1) having a plurality of apertures (5), a damper (2) rotating with a circumferential movement over said stationary part (1) and having a plurality of apertures (6) corresponding to said apertures (5), and an actuator to move said damper (2). The stationary part (1) comprises a reservoir (3) and said stationary part (1) is adapted to be inclined towards the reservoir (3) in such a way that said reservoir (3) would stand at a lower level than the rest of said stationary part (1), and edges of said apertures (5) are adapted to protrude to form a plurality of particle channels (4) between said apertures (5) for the particles to flow through, wherein said particle channels (4) surround said reservoir (3) in order to allow said particles to accumulate within said reservoir (3) by way of gravity.