Underbody Diffuser Shutter for Aerodynamic Load Control
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Solution Overview
Problem
Existing adjustment devices for aerodynamic load on motorcars are mechanically complex, complicating maintenance and component substitution, and require intermediate kinematic mechanisms, making them inefficient for varying aerodynamic loads.
Innovation Solution
An adjustment device using an underbody diffuser with a movable aerodynamic element and a simplified movement system, allowing for control of aerodynamic load through position changes of the aerodynamic element between maximum, minimum, and intermediate configurations, reducing mechanical complexity and simplifying maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If movable shutters are used to adjust aerodynamic load, then aerodynamic load control is achieved, but device complexity increases due to intermediate kinematic mechanisms
Solution Approach 1:
The patent extracts the complex intermediate kinematic mechanisms from the system by directly mounting the shutter on the diffuser element. This eliminates the need for additional connecting mechanisms while maintaining the aerodynamic load adjustment functionality, thereby reducing device complexity.
Solution Approach 2:
The diffuser element is designed to serve multiple functions: it provides aerodynamic benefits and simultaneously acts as the mounting structure for the shutter. This multi-functionality eliminates the need for separate kinematic mechanisms, reducing overall device complexity while maintaining adaptability.
2Adaptability or versatility
If movable shutters with complex kinematic mechanisms are integrated in the underbody, then aerodynamic load adjustment is possible, but ease of maintenance and substitution deteriorates
Solution Approach 1:
The shutter is designed as a separate, modular component that can be independently removed and replaced without affecting the diffuser or other system components. This segmentation enables easy maintenance and substitution while preserving the aerodynamic load adjustment capability.
Solution Approach 2:
By removing the complex kinematic mechanisms, the shutter becomes a standalone component with simple mounting directly on the diffuser. This extraction simplifies the overall system and makes maintenance and substitution operations significantly easier.
3Ease of operation
If intermediate kinematic mechanisms are used to connect shutter to motor, then shutter movement is achieved, but device complexity increases
Solution Approach 1:
The patent removes the intermediate kinematic mechanisms entirely, creating a direct connection between the motor and the shutter mounted on the diffuser. This extraction maintains shutter movement functionality while dramatically reducing configuration complexity.
Solution Approach 2:
Instead of using complex mechanisms to transmit motion from motor to shutter, the design inverts the approach by directly mounting the shutter on the diffuser and using a simplified movement system, thereby achieving the opposite of the conventional complex arrangement.
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 device effectively controls aerodynamic load by reducing drag and improving fuel efficiency, with reduced mechanical complexity and simplified maintenance, allowing for user-input or automatic adjustments based on kinematic parameters.
Implementation Method 1
at least one underbody diffuser mounted on the motorcar itself... geometrically vary an outlet section made in an underbody of the motorcar, in such a way as to adjust the flow which is directed outward from that underbody through the outlet section
Data Source
AI summary
An adjustment device for controlling the aerodynamic load acting on a motorcar, includes an underbody diffuser.