HVAC Diffuser Blade Linkage Assembly for Synchronized Air Distribution
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Solution Overview
Problem
Conventional HVAC diffuser assemblies are difficult to adjust, leading to inefficient air distribution and reduced occupant comfort, as they often lack the necessary adjustability to change air discharge directions or patterns in response to different operating modes or environmental conditions.
Innovation Solution
A diffuser assembly with pivotable blades and a linkage mechanism that allows for user-selectable configurations to adjust the air discharge direction and pattern, enabling quick and convenient changes in air flow distribution by synchronizing or opposing the rotation of blades about their respective axes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional diffuser assemblies are used, then the structure is simple and reliable, but the adjustability is poor and air distribution efficiency is reduced
Solution Approach 1:
The patent applies the dynamics principle by making the diffuser assembly adjustable through movable blades that can change their angular positions. The linkage mechanism enables dynamic reconfiguration of blade positions to adapt air distribution patterns to different operating conditions, transforming a static structure into a dynamic one that can respond to varying requirements.
Solution Approach 2:
The diffuser assembly is segmented into multiple independent blades (first blade, second blade, third blade) that can be adjusted individually or in coordinated groups. This segmentation allows each blade to be positioned independently to create different air distribution patterns, providing versatility without requiring complete redesign of the entire assembly.
2Ease of operation
If conventional diffuser assemblies are used, then the device complexity is low, but the time required to adjust air distribution is excessive and operation is difficult
Solution Approach 1:
The linkage mechanism is pre-configured with multiple predetermined positions that correspond to different air distribution patterns. Users can quickly switch between these pre-established configurations without performing complex manual adjustments, significantly reducing adjustment time and improving ease of operation.
Solution Approach 2:
The linkage mechanism acts as an intermediary that coordinates the movement of multiple blades simultaneously. When one blade is adjusted, the linkage mechanism automatically positions the other blades according to the desired pattern, eliminating the need for manual adjustment of each blade individually and greatly reducing adjustment time.
3Adaptability or versatility
If multiple blades are added to improve air distribution flexibility, then adaptability increases, but device complexity and difficulty of adjustment increase
Solution Approach 1:
The linkage mechanism merges the adjustment functions of multiple blades into a single coordinated system. By connecting the blades through the linkage mechanism, the patent enables simultaneous adjustment of multiple blades through a single input, reducing operational complexity despite having multiple adjustable components.
Solution Approach 2:
The linkage mechanism serves multiple functions: it coordinates blade movements, maintains predetermined geometric relationships between blades, and enables switching between different air distribution patterns. This multi-functionality allows the mechanism to manage multiple blades efficiently without proportionally increasing complexity.
Data Source
AI summary
A diffuser assembly includes a first blade pivotably coupled to a housing and configured to rotate about a first axis and includes second blade pivotably coupled to the housing and configured to rotate about a second axis. The diffuser assembly includes a linkage mechanism coupled to the first blade and the second blade and configured to transition between a first configuration and a second configuration. In the first configuration, the linkage mechanism is configured to induce rotation of the second blade about the second axis in a first direction in response to rotation of the first blade about the first axis in the first direction. In the second configuration, the linkage mechanism is configured to induce rotation of the second blade about the second axis in a second direction, opposite the first direction, in response to rotation of the first blade about the first axis in the first direction.