DIGITAL CONTROL HYDRAULIC DISTRIBUTOR Russian patent published in 2019 - IPC F15B13/44 

FIELD: machine building.

SUBSTANCE: digital control hydraulic distributor relates to machine building hydraulics, in particular to proportional control hydraulic devices, and can be used in various electrohydraulic drives of stationary systems. Hydraulic distributor comprises a housing in which a sleeve with coaxially installed in it slide valve is mounted, on the front side cover a digital step electric motor is installed coaxially with the slide valve, one end of the pre-compressed spring is pressed to the back side cover, the second end of which presses the washer to one end of the slide valve, second end of slide valve is pressed to stop, which is arranged in housing and fixed in axial direction by insulating insert, through hole in which threadless part of screw-pusher passes, threaded part of which is screwed into nut coaxially fixed on shaft of digital step motor and retained in housing by bearing and locking ring.

EFFECT: simplified design.

1 cl, 1 dwg