HYDRAULIC DISTRIBUTOR Russian patent published in 1997 - IPC

FIELD: hydraulics; automatic devices. SUBSTANCE: hydraulic distributor has housing with inlet and outlet channels and distributing unit with seals consisting of barrel and spool shutoff-and-distributing member. The latter is made in form of hollow plunger with end face and radial holes, and barrel has hole in end face at side of outlet channel and is installed inside hollow plunger with overlapping of its radial holes in initial position. Distributing unit has seals in connection of pairs of reciprocating motion plunger. Two pairs are ring elastic ones and the last is radial slot, for instance, labyrinth seal. EFFECT: enlarged operating capabilities. 2 cl, 1 dwg