GEAR WHEEL Russian patent published in 2014 - IPC F16H55/12 F16H57/04 

FIELD: machine building.

SUBSTANCE: invention refers to machine building and can be used in tooth gears operated with lubrication. A gear wheel comprises a hub 1 with an axial lubricating channel 3 mounted on a shaft 2, and a toothed rim 4 with teeth 5. Through radial bore 7 connected to the shaft channel is made in the root 6 of each rim tooth space. Each bore is crossed by the second dead bore 8 of the same diameter made in the zone of the tooth space root along its width at the hub end face 9 perpendicular to the said end face. This bore is fitted by a plug 10 at the end and is connected to the tooth space root by a row of grooves 11 parallel to the through bore 7 which is equipped with an insert 12 on the tooth space side while the insert is provided with a through hole 13 with its diameter being equal to the diameter of the grooves 11.

EFFECT: optimal lubricating mode for a gear wheel is provided.

1 dwg