HYDROSTATIC LEAD SCREW-NUT TRANSMISSION Russian patent published in 2012 - IPC F16H25/00 

FIELD: machine building.

SUBSTANCE: hydrostatic screw-nut transmission includes a screw and a nut with trapezoidal thread. Pockets are provided on side surfaces of screw thread of nut. The above pockets are connected by means of throttle channels to distributing channels, which are connected through throttles to supply line. Pump arranged in oil bath and non-return valve are connected to supply line through filter. Capacity that is hydraulically connected to oil bath serves as drain bath for working medium.

EFFECT: increasing efficiency, service life and improving transfer reliability.

2 dwg