HYDROSTATIC HUB DRIVE FOR VEHICLE Russian patent published in 2008 - IPC B60K17/14 B60K7/00 

FIELD: transportation.

SUBSTANCE: hydrostatic hub drive contains axial-piston hydraulic motor with slant disk and hub rigidly connected with body of axial-piston hydraulic motor. Hub is installed with possibility of rotation relative to unmovable support in which channels are made for hydraulic fluid inlet. Between axial-piston hydraulic motor and unmovable support sleeve with piston is installed which is rigidly attached to unmovable support. Sleeve is made capable to move axially relative to unmovable support and is spring-loaded at axial-piston hydraulic motor end. To deliver hydraulic fluid from unmovable support to axial-piston hydraulic motor body channels are made in the sleeve and in the piston.

EFFECT: increase of hydrostatic hub drive durability.

3 cl, 3 dwg