GEAR BOX WITH HYDRAULIC BOOSTER OF TORQUE Russian patent published in 2009 - IPC F16H47/02 B60K17/10 

FIELD: machine building.

SUBSTANCE: gear box contains a body with drive shaft, dummy shaft, driven shaft, dummy shaft of reverse, hydraulic motor and hydraulic pump installed in body. The hydraulic motor is assembled in an auxiliary section of the body and screwed on to the back wall of latter; the back end of the shaft of the blade hydraulic motor passes through an aperture in the back wall of the body. A blade hydraulic pump is secured in the front part of the gear box body; a pinion gear meshing a tooth rim of the motor flywheel is fastened on the shaft of the blade hydraulic pump. Via hydro system with drive valve and controlled throttle the blade hydraulic pump is connected with an oil tank and the blade hydraulic motor. A control mechanism of the blade hydraulic motor is kinematically tied with the controlled throttle and the drive valve.

EFFECT: upgraded operational characteristics of gear box and simplification of design.

8 dwg