Air Scoop Light Unit Aerodynamic Drag Reduction
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Solution Overview
Problem
Vehicles with large frontal areas and squared-off body shapes experience high drag coefficients and energy consumption due to undesirable airflow separation and turbulence, while existing aerodynamic features often increase manufacturing costs and complexity, and may interfere with essential functions like lamp visibility.
Innovation Solution
The integration of air scoop light units with concave guiding surfaces that define flow channels, reducing aerodynamic drag by guiding airflow and incorporating safety features such as sensing devices and deformable structures to absorb energy in collisions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If aerodynamic features are added to reduce drag, then energy efficiency is improved, but manufacturing cost and complexity increase
Solution Approach 1:
The patent combines the lamp assembly housing with aerodynamic features into a single integrated component. The housing body that contains the light source, lens, and reflector also incorporates a concave guiding surface that directs airflow, eliminating the need for separate aerodynamic add-ons and reducing manufacturing complexity while maintaining energy efficiency benefits
Solution Approach 2:
The lamp assembly housing serves multiple functions simultaneously: it provides structural support for illumination components, directs airflow to reduce aerodynamic drag, and can incorporate safety features. This multi-functionality reduces the overall number of components needed while achieving both lighting and aerodynamic performance
2Use of energy by moving object
If aerodynamic features are added to reduce drag, then energy efficiency is improved, but manufacturing cost increases
Solution Approach 1:
The aerodynamic guiding surface is integrated into the lamp assembly housing as a single molded component rather than being a separate part. This consolidation reduces the number of manufacturing steps, assembly operations, and associated costs while maintaining the aerodynamic performance that improves energy efficiency
Solution Approach 2:
The housing is designed with specific geometric parameters (concave guiding surface curvature, spacing from vehicle body) that optimize airflow while using standard manufacturing processes. This allows achievement of aerodynamic performance through parameter optimization rather than complex manufacturing techniques
3Use of energy by moving object
If aerodynamic features are added to reduce drag, then vehicle efficiency is improved, but lamp visibility may be interfered with
Solution Approach 1:
The housing design applies different surface characteristics to different regions: the concave guiding surface is positioned and shaped to direct airflow away from the light emitting areas, while the lens and reflector regions maintain their original optical properties. This localized differentiation ensures aerodynamic performance without compromising lamp visibility
4Quantity of substance
If vehicle dimensions are increased to maximize functional capacity, then cargo or passenger capacity is improved, but aerodynamic drag increases
Solution Approach 1:
The aerodynamic features are applied locally at specific locations (lamp assemblies at vehicle corners) rather than requiring complete vehicle redesign. The concave guiding surfaces at corner lamp assemblies address flow separation at high-drag locations without reducing overall vehicle size or cargo capacity
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
This solution enhances aerodynamic performance, reduces turbulence, improves visibility, and decreases energy consumption while maintaining illumination and safety functions without significant weight or manufacturing cost increases.
Implementation Method 1
a concave guiding surface of the air scoop light unit may be in spaced relation to a portion of the body of the associated vehicle and at least partially defines a flow channel. When exposed to a relative flow of fluid, a portion of the relative flow may be guided by the concave guiding surface from a leading edge and progress toward a trailing edge
Implementation Method 2
features that allow the air scoop light unit to deform, break or move in a predetermined manner such as to absorb energy in case of contact with an object such as a pedestrian
Data Source
AI summary
An air scoop light unit for a vehicle includes a light emitting area and related features where the light unit comprises a concave guiding surface spaced apart from the vehicle body to form an airflow channel there between that guides airflow at least partially around an outer side corner of the vehicle body to enhance aerodynamic efficiency. The air scoop light unit may incorporate safety features such as sensing devices as well as features that allow the air scoop light unit to deform, break or move in a predetermined manner such as to absorb energy in case of contact with an object such as a pedestrian. Vehicles including one or more such lamp assemblies are also included, including vehicles having tapered bodies.