FIELD: motor industry.
SUBSTANCE: invention relates to automotive industry. Tire (1) has multiple projections (500) at groove (50B2) bottom. Projections (500) pass from one sidewall (50B1) to other side wall (50B3), wherein side walls form groove. Projections (500) are located in groove with preset intervals. Lateral grooves (60) pass from side of tread (9) and have outputs (60a) into it. Air supply facilities (100R) supply air in lateral (60) grooves.
EFFECT: reduced tire heating.
6 cl, 20 dwg
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