Oval register boot, pipe, elbow, and connector for HVAC
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Solution Overview
Problem
Conventional HVAC systems face efficiency losses due to air travel through sheet metal ductwork, and existing plastic solutions, such as circular piping, do not fully address the need for improved air flow and safety.
Innovation Solution
A complete plastic HVAC component system featuring oval cross-section pipes and fittings, including register boots and fittings that integrate with both oval and circular pipes, providing seamless connections and reduced labor for installation, while avoiding the risks associated with metal ductwork.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If sheet metal ductwork is used, then structural strength is improved, but efficiency loss increases due to air travel through the ducts
Solution Approach 1:
The patent changes the cross-sectional shape parameter from circular to oval, optimizing the aspect ratio to improve air flow characteristics while maintaining structural integrity. This parameter optimization reduces turbulence and improves efficiency without sacrificing strength
Solution Approach 2:
The patent employs composite construction techniques for the oval ducts, combining materials and structural designs that provide both the necessary strength and improved air flow efficiency, resolving the contradiction between structural requirements and energy loss
2Ease of manufacture
If circular plastic piping is used, then ease of manufacture is improved, but air flow efficiency is not optimized
Solution Approach 1:
The patent optimizes the oval cross-section parameters (aspect ratio, dimensions) to achieve superior air flow efficiency compared to circular pipes, while maintaining ease of manufacture through standardized production processes for the oval shape
3Productivity
If metal ductwork is handled during installation, then installation is completed, but risks of injury increase
Solution Approach 1:
The patent employs plastic oval ducts that are safer to handle during installation, replacing metal ducts that pose injury risks. The plastic material eliminates sharp edges and heavy weight issues while maintaining installation productivity
Solution Approach 2:
The patent substitutes metal mechanical systems with plastic alternatives that provide equivalent structural performance but with improved safety characteristics during handling and installation
4Duration of action of stationary object
If sheet metal ductwork is used, then durability is achieved, but rust and mold resistance is reduced
Solution Approach 1:
The patent uses plastic material that inherently resists rust and mold growth, providing long-term durability without the harmful factors associated with metal ductwork
Solution Approach 2:
The patent employs plastic composite materials that combine durability with inherent resistance to rust and mold, eliminating the harmful factors present in metal ductwork while maintaining structural integrity
Data Source
AI summary
A system for air handling, the system includes a pipe comprised of plastic having an oval cross-section. The system may further include a register boot comprised of plastic having a main body with a first opening and a second opening wherein the first opening has an oval cross-section for connection with an oval pipe and wherein the second opening is generally rectangular for fitting a register cover. The system may further include a fitting having a first end and a second end, the first end having a round opening and a second opening having an oval cross-section and a main body between the first end and the second end. The main body may be sized and shaped such that the round opening is presented orthogonally to the second opening. The system may further include a t-fitting having a first segment with a first opening attached to a second segment orthogonal to the first segment, the second segment having first and second opposite openings.