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    • 14. 发明专利
    • REAR BODY STRUCTURE OF VEHICLE
    • JPH048681A
    • 1992-01-13
    • JP10827090
    • 1990-04-24
    • HONDA MOTOR CO LTD
    • SANO SHOICHICHIRIFU TAKASHITAKAHASHI HIROKIMISASAKI SHINJI
    • B62D35/00B62D25/08
    • PURPOSE:To reduce the influence of cross wind against stability of the rectilinear motion of a vehicle so as to enhance stability in controlling the vehicle by extending fins continuously in the longitudinal direction of the vehicle along the boundary portion of the side face and upper face of the vehicle body, and making the contour of the cross section of the body near a connecting portion recessed outwards. CONSTITUTION:A vehicle body is provided with fins 6 and an air flow from a rear fender 5 toward a rear deck 2 is blocked by the fins 6 and dynamic pressure is applied to the vehicle body accordingly. The windward face of the fender 5 therefore tends to be exerted with positive pressure and at the same time an air flow passing over the edge of each fin 6 is separated from the fins 6 and swirls on the lee. Thereby the lee side of each fin 6 tends to be exerted with negative pressure and the rear portion of the vehicle body is pushed to the lee by the swirl end also by the dynamic pressure. Yawing moment caused by cross wind is therefore canceled out and a yawing moment coefficient is decreased. Also the connecting portion 5a of the rear fender 5 to each fin 6 is formed into a concave of a relatively large curvature and thereby the air flow along the rear fender 5 collides with the outside face of each fin 6 at almost right angles thereto and the effect of dynamic pressure is further enhanced.