Air Treatment Housing Curvature to Prevent Outlet Recirculation
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Solution Overview
Problem
Conventional air treatment devices face issues such as difficult dust cleaning from louvers, air recirculation, inaccessible internal components, and an unattractive design, leading to reduced efficiency and user experience.
Innovation Solution
The design incorporates a specifically shaped housing with concave and convex curvatures to direct air flow, a removable cowling for easy maintenance, and a power cord management system, enhancing aesthetics and functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If intake louvers are used for receiving air, then air intake function is improved, but dust accumulation and cleaning difficulty increase
Solution Approach 1:
The patent removes the traditional louver structure entirely and replaces it with a smooth front surface that includes a removable cowling section. This extraction of the problematic louver element eliminates dust accumulation issues while maintaining air intake functionality through alternative means (grilles behind the cowling or perforations in the smooth surface).
Solution Approach 2:
Instead of using protruding louvers to intake air, the patent inverts the approach by using a smooth recessed surface that can be removed to access internal components. The air intake function is achieved through grilles or perforations integrated into this smooth surface, reversing the traditional louver configuration.
2Productivity
If air outlet is positioned on housing, then air treatment function is improved, but air recirculation into inlet increases
Solution Approach 1:
The patent positions the air outlet on the rear surface of the housing, utilizing the depth dimension of the housing structure. This rear positioning, combined with the housing's curvature, creates spatial separation between the outlet and inlet, directing treated air away from the front inlet area and preventing recirculation.
Solution Approach 2:
The housing incorporates curved surfaces that guide air flow from the rear outlet away from the front inlet. The curvature of the housing walls helps direct the exhaust air laterally and rearward, preventing it from returning to the front intake opening.
3Shape
If internal components are enclosed in housing, then aesthetic appearance is improved, but accessibility and maintenance difficulty increase
Solution Approach 1:
The housing is segmented into a permanent main body and a removable cowling section. The cowling can be detached to provide access to internal components such as the fan assembly and filters, while the main housing body maintains its aesthetic appearance. This segmentation allows easy maintenance without compromising design.
Solution Approach 2:
The cowling is designed with dynamic accessibility - it can be removed and reattached as needed. This dynamic feature allows the housing to transition between a closed aesthetic state during operation and an open accessible state during maintenance, accommodating both requirements.
4Ease of manufacture
If conventional housing design is used, then manufacturing simplicity is improved, but bulky and obtrusive appearance results
Solution Approach 1:
The housing employs curved surfaces and rounded edges instead of sharp angles and flat planes. This curvilinear design creates a more aesthetically pleasing, streamlined appearance that is less bulky and obtrusive, while still being manufacturable using standard molding techniques.
Solution Approach 2:
The housing dimensions and proportions are optimized to create a more compact, elegant form factor. The curvature radius, wall thickness, and overall proportions are adjusted to achieve an aesthetically pleasing appearance that appears less bulky than conventional designs.
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 effectively prevents air recirculation, simplifies cleaning and maintenance, and provides a sleek, aesthetically pleasing appearance, improving the air treatment device's performance and user experience.
Implementation Method 1
The first side surface comprises a first curvature adjacent the front portion that is concave to thereby direct air flow from the air outlet away from the air inlet
Data Source
AI summary
Various embodiments of air treatment devices (and housings therefor) are provided. The housings are generally configured to provide air treatment devices that lessen the perceived size of the air treatment devices. Further, embodiments provide housings that are typically easier to clean and maintain and to provide ease in access to internal components of the air treatment devices. Embodiments may also position a control display associated with an air treatment device, such that the control display is visible from a position in front and above the air treatment device. Embodiments may also be configured to minimize and/or inhibit air exiting from the air outlet of the air treatment device from immediately reentering the air inlet and thus being recirculated.