Vehicle Air Register Knob Assembly for Precise Airflow Control
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Solution Overview
Problem
Existing air register assemblies for vehicles lack efficient mechanisms for adjusting airflow direction and control within the vehicle cabin, limiting the flexibility and precision of air distribution.
Innovation Solution
A vehicle air register assembly featuring a barrel with pivotally coupled vanes, an adjustment member with a housing and engagement feature, and a knob assembly that includes gears to rotate the door assembly between positions, allowing for precise control of airflow direction and distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a simple air register assembly is used, then the device complexity is reduced, but the airflow adjustment precision and flexibility are limited
Solution Approach 1:
The air register assembly is segmented into multiple functional components: a barrel, multiple vanes (including a first vane and second vane), an adjustment member, and a knob assembly. Each component performs a specific function, allowing independent adjustment of airflow parameters while maintaining overall system precision.
Solution Approach 2:
The vanes are configured to pivot relative to the barrel, enabling dynamic adjustment of airflow direction. The adjustment member can move between positions to control the vanes, providing real-time adaptability of airflow patterns without requiring complex fixed mechanisms.
2Adaptability or versatility
If multiple adjustment mechanisms are added to improve airflow control, then the airflow distribution flexibility is enhanced, but the ease of operation becomes more difficult
Solution Approach 1:
The adjustment member integrates multiple control functions into a single component that can simultaneously control both the first vane and second vane. The knob assembly provides a unified interface for the user to adjust both airflow directions through one rotational motion, combining multiple adjustment functions into a single ease-of-use mechanism.
Solution Approach 2:
The adjustment member serves multiple functions: it controls the pivot position of the first vane, controls the pivot position of the second vane, and can lock both vanes in place. This multi-functionality reduces the number of separate controls needed, simplifying the user interface while maintaining airflow distribution flexibility.
3Adaptability or versatility
If vanes are pivotally coupled to allow flexible airflow direction, then the airflow adjustment capability is improved, but the reliability of the connection may be reduced
Solution Approach 1:
The adjustment member includes a retention feature that engages with the vanes to prevent unintended movement or detachment. This retention mechanism acts as a protective measure that maintains reliable connections during normal operation while still allowing controlled adjustment when the user operates the knob assembly.
Solution Approach 2:
The adjustment member serves as an intermediary component between the fixed barrel and the movable vanes. It provides a controlled interface that allows the vanes to pivot for airflow adjustment while maintaining reliable mechanical connections through its housing and engagement features.
Data Source
AI summary
A vehicle air register assembly includes a barrel. An adjustment member extends between a first side and a second side of the barrel. The adjustment member includes a housing and an engagement feature. A plurality of vanes are pivotally coupled to the barrel, each vane extends perpendicular to the adjustment member. Each vane defines a recess. The engagement feature extends through each recess. A knob assembly is coupled to the housing. The knob assembly includes a knob, a connector, and a base. The connector and the base are disposed within the housing.