AIR TIRE Russian patent published in 2016 - IPC B60C11/04 B60C11/00 B60C11/13 B60C11/01 

FIELD: motor car construction.

SUBSTANCE: tire (1) has the groove on bottom (50B2) with multiple ledges (500) made thereat. Said ledges (500) extend from one sidewall (50B1) to the opposite sidewall (50B3) of the groove. Ledges (500) are located in the groove at preset intervals P complying with the condition 1.25≤P≤10L, L is the length of grooves (500) along the groove. Lateral grooves (60) made in the tread side strip extend from the groove to the tread side strip (9). Outlets (60a) are made in the tread side strip. Side grooves extend at the angle to direction twd over the tire (1) tread width on projection on the tire tread surface that makes 15-60 degrees.

EFFECT: ruled out tire overheating.

7 cl, 20 dwg, 1 tbl