| 摘要 |
FIELD: transport.SUBSTANCE: invention relates to automotive tire design, particularly to perfection of tire sides. Tire 2 comprises tread 4, bead 6, side strip 8, squeezer part 10, tire bead 12, carcass 14, support layer 16, belt 18 and tire tread 20. Side strip 8 includes recesses 62. Air flowing in recesses 62 cause turbulent flow. Said turbulent flow causes tire heat removal into atmosphere. Every recess 62 features ellipsoidal surface. Ellipse larger axis length La is larger than that Li of its smaller axis. La-to-Li ratio makes 1.2/1 to 5/1. Depth of recesses 62 makes 0.2-7 mm. Optionally, squeezer part 10 can comprises recesses 62.EFFECT: longer life of tire.9 cl, 24 dwg, 4 tbl |
