Diffuser for passenger vehicle

The passenger vehicle diffuser with recesses or arched recesses on the lower surface generates air vortices, improving fuel efficiency and enabling safe high-speed driving by managing airflow effectively.

JP2025138554APending Publication Date: 2025-09-25橋本 真吾
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Patent Information

Application Number
JP2024177506
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-09-21
Publication Date
2025-09-25

AI Technical Summary

Technical Problem

Conventional passenger car diffusers do not utilize concave designs to enhance airflow vortex generation for improved fuel efficiency and safe high-speed driving.

Method used

The passenger vehicle diffuser features recesses or arched recesses on the lower bottom surface to generate air vortices, enhancing airflow management and reducing air resistance.

Benefits of technology

The design improves fuel efficiency and enables safe high-speed driving by generating large air vortices and reducing air resistance.

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Abstract

To provide a diffuser for a passenger vehicle that achieves high-speed safety and improved fuel efficiency by enlarging a vortex generated at rear of the vehicle body.SOLUTION: A diffuser comprises a plurality of concave shapes and nozzles, and is positioned at a lower rear end of a vehicle body.SELECTED DRAWING: Figure 8
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