VALVE UNIT Russian patent published in 2000 - IPC

FIELD: hydraulic oscillation suppressors, shock absorbers and suspensions of transport vehicles. SUBSTANCE: valve unit includes non-return and safety valves arranged in housing with possibility of closing respective by-pass ducts. Safety valve is placed in axial turning provided with spring-loaded locking member. At least one of by-pass ducts of safety valve is inclined relative to axis of housing. It allows to provide uniform pressure onto locking member of safety valve and to eliminate spring action upon flow at releasing locking member. EFFECT: improved design of valve unit. 5 cl, 1 dwg