Rotatable Diffusing Vent Assembly for RV Airflow Uniformity
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Solution Overview
Problem
Recreational vehicles face challenges in maintaining comfortable temperatures due to inefficient air circulation from HVAC systems, which are often inadequate for extreme temperatures, leading to discomfort for occupants.
Innovation Solution
A diffusing vent assembly comprising a diffuser base and a diffusing head, designed to optimize air distribution and circulation within RVs, utilizing tapered duct connectors, AC box sleeves, and sleeve inserts to enhance airflow efficiency and minimize turbulence, while allowing for omnidirectional air distribution and adjustable airflow control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional HVAC systems are used in RVs, then basic air conditioning is provided, but air circulation is inefficient and temperature control is inadequate during extreme weather
Solution Approach 1:
The diffusing vent assembly is divided into multiple functional components: a diffuser base with collar for duct connection, a diffusing head with air blade for flow control, and internal baffle structures. This segmentation allows each component to be optimized for its specific function, improving overall air circulation efficiency while maintaining reliable temperature control.
Solution Approach 2:
The diffusing head is designed to rotate relative to the diffuser base, allowing dynamic adjustment of airflow direction. The air blade within the diffusing head can also be adjusted to control the spread and direction of conditioned air. This dynamic adjustability enables optimization of air circulation patterns to maintain comfortable temperatures during extreme weather conditions.
2Stability of the object's composition
If air distribution is maximized for comfort, then temperature uniformity improves, but turbulence increases reducing airflow efficiency
Solution Approach 1:
The diffusing head features a curved, dome-shaped design that gently directs airflow in multiple directions rather than creating sharp turbulent eddies. The curved surfaces guide air smoothly into the RV interior, promoting uniform temperature distribution while minimizing energy loss from turbulence. The rounded geometry naturally diffuses airflow patterns.
Solution Approach 2:
Internal baffles and flow guides are strategically positioned within the diffusing head to create localized flow control zones. These elements direct airflow to specific areas as needed, ensuring uniform temperature distribution in different parts of the RV interior while maintaining overall airflow efficiency by reducing unnecessary turbulence.
3Adaptability or versatility
If fixed vent design is used, then manufacturing is simple, but adaptability to different HVAC configurations and airflow requirements is limited
Solution Approach 1:
The rotatable connection between diffusing head and diffuser base, along with adjustable air blade mechanisms, provides adaptability to different HVAC duct configurations and airflow requirements without requiring complex custom-designed vents for each application. The structural complexity is managed through standardized components with movable elements.
Solution Approach 2:
The diffusing vent assembly is designed as a universal component that can accommodate various HVAC system configurations through its adjustable and rotatable features. The same basic design can serve different airflow directions and distribution patterns, reducing the need for multiple specialized vent designs while maintaining versatility.
Data Source
AI summary
A diffusing vent assembly (1000) includes a diffuser base (1010) and a diffusing head (1020), wherein t he diffuser base (1010) includes a mounting flange, a collar extending from the mounting flange, and a ductwork fixation channel (1018), a collar extension length is large enough to span an infra-ceiling space of a recreational vehicle, the diffusing head (1020) includes a diffuser vane configuration, a rotational flange surrounding the diffuser vane configuration, and an air blade (1022), the diffuser base (1010) and the diffusing head (1020) further comprise complementary rotational securement members that permit rotation of the diffusing head (1020) relative to the diffuser base (1010), the air blade (1022) extends through the collar of the diffuser base (1010).