Frustoconical Fan Diffuser Assembly for Quiet 360-Degree Airflow
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Solution Overview
Problem
Existing fan diffuser assemblies lack the capability to efficiently and discreetly provide fragrance and air purification in commercial spaces, particularly in areas up to 1,000 square feet, while also being flexible in placement and quiet in operation.
Innovation Solution
A fan diffuser assembly featuring an inverted frustoconical base, a compact and lightweight housing with a removable perforated grill, and an air conditioning element that can include an exchangeable fragrance cartridge or an ionization device, such as a needlepoint bipolar ion generator, to provide fragrance diffusion and air purification.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If a fan diffuser assembly is designed to cover large commercial spaces (up to 1,000 square feet), then the coverage area is improved, but the device size and complexity increase
Solution Approach 1:
The diffuser assembly is divided into separate functional modules: a housing containing the fan assembly, a removable air conditioning element (fragrance cartridge or ionization device), and a base. This segmentation allows each component to be optimized independently while maintaining overall system effectiveness for large space coverage.
Solution Approach 2:
The air conditioning element is designed to perform multiple functions through interchangeable cartridges: fragrance diffusion, ionization for air purification, and potential HVAC integration. This multi-functionality allows a single device to address various air quality needs in commercial spaces without requiring multiple separate systems.
2Adaptability or versatility
If the fan diffuser assembly is designed for flexible placement (vertical, horizontal, or wall-mounted), then the adaptability is improved, but the structural complexity increases
Solution Approach 1:
The housing is designed with an asymmetric structure featuring a tapered shape that naturally directs airflow in multiple orientations. The base includes asymmetric mounting features that accommodate different installation configurations (vertical, horizontal, wall-mounted) without requiring completely different structural designs for each orientation.
Solution Approach 2:
The mounting system incorporates adjustable and reconfigurable elements that allow the device to adapt its orientation and placement location dynamically. The removable air conditioning element and modular housing enable easy repositioning and reconfiguration to suit different spatial requirements in commercial environments.
3Object-affected harmful factors
If the fan diffuser assembly operates ultra-quietly in commercial environments, then the noise level is reduced, but the airflow generation capability may be compromised
Solution Approach 1:
The traditional high-velocity mechanical fan system is replaced with a optimized fan assembly that uses carefully engineered blade geometry and airflow channels. The housing incorporates flow-smoothing features and the fan is positioned within acoustic dampening structures, substituting pure mechanical force with aerodynamically optimized airflow management to reduce noise while maintaining productivity.
Solution Approach 2:
The fan operating parameters are optimized to operate at lower speeds with higher efficiency, and the housing geometry is designed to minimize turbulence and noise generation. The air conditioning element cartridges are positioned to optimize airflow patterns, allowing quiet operation while maintaining sufficient airflow for effective fragrance diffusion and air purification in commercial spaces.
4Ease of repair
If the air conditioning element is made exchangeable (fragrance cartridges or ionization devices), then the ease of maintenance is improved, but the device complexity increases
Solution Approach 1:
The air conditioning functionality is separated into removable, self-contained cartridges that can be easily exchanged without disassembling the main housing or fan assembly. This segmentation isolates the consumable or replaceable components (fragrance cartridges, ionization devices) from the permanent structural elements, enabling simple maintenance operations.
Solution Approach 2:
The housing is designed with a standardized cartridge interface and mounting mechanism that creates an equipotential connection system. The electrical and mechanical connections for the air conditioning elements are designed to engage automatically and uniformly, ensuring reliable operation regardless of which specific cartridge is installed, thereby simplifying maintenance while managing complexity through standardization.
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 assembly generates a 360-degree laminar airflow, effectively diffusing fragrance and releasing air-purifying ions into the environment, while being ultra-quiet and flexible in placement, suitable for commercial spaces up to 1,000 square feet.
Implementation Method 1
Operation of the electric fan generates a 360-degree laminar airflow through the air intake, along a tapering exterior of the frustoconical base, through the housing and outwardly through the output end into a surrounding environment
Implementation Method 2
The invention may comprise an ionization unit configured to deliver positive and negative ions into a surrounding environment
Data Source
AI summary
A fan diffuser assembly incorporates an inverted frustoconical base having a large diameter end and an opposing small diameter end. A housing is located over the frustoconical base, and has an intake end, side walls and an output end. The intake end is longitudinally spaced apart from the large diameter end of the frustoconical base and cooperates with the side walls of the housing to define an air intake of the fan diffuser assembly. An electric fan is located within the housing and is mounted adjacent the small diameter end of the frustoconical base. Operation of the electric fan generates a 360-degree laminar airflow through the air intake, along a tapering exterior of the frustoconical base, through the housing and outwardly through the output end into a surrounding environment. An air conditioning element is located inside the housing between the electric fan and the output end of the housing.