GEAR WHEEL Russian patent published in 2017 - IPC F16H55/17 

FIELD: machine engineering.

SUBSTANCE: gear includes a hub 1, the body in the form of spokes 2 and 3, rim 4 and ring gear 5. On the outer surface of the hub and the inner surface of the rim disposed stiffening ribs 6 and 7, linking the ends of the spokes. In the annular groove formed on the inner surface of the rim by the inner ends of the stiffeners 7, an annular insert 8 having a U-shaped cross-section is installed in the inner surface of the rim between these ribs and the inner surface portions of the ends of the spokes 2 and 3 located between the ribs. The insert is installed in the mirror groove. The height of the sides equal to the height of ribs 6, and the width of the insert is equal to the distance between these edges.

EFFECT: increase performance of gear wheel.

3 dwg