SPOOL PNEUMATIC-HYDRAULIC DISTRIBUTOR WITH HYDRAULIC CONTROL Russian patent published in 2021 - IPC F15B13/42 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to the field of the oil and gas industry and can be used in geophysical devices for regulating the flow direction of the working fluid under the influence of an aggressive environment. The distributor contains two covers for mounting into the housing of hydraulic equipment, a spool on which two bushings with sealing elements are installed, two seal clamps and a sleeve, while combined seals are installed in the seal clamps.

EFFECT: ensuring trouble-free operation of the distributor with a wide range of aggressive contaminated working fluids.

1 cl, 2 dwg