HIGH-SPEED FLOW PNEUMOHYDRAULIC IMPACT DAMPER

摘要

FIELD: technological processes.;SUBSTANCE: invention relates to devices for suppression of pressure pulsations in pipeline transport systems for gas and liquid media, in particular in rocket and space equipment refueling systems, and also can be used in other fields of engineering. In the damper comprising a sealed housing with inlet and outlet nozzles and with a movable throttle, which on the inlet side has a piston, the outer diameter of which is greater than the diameter of the movable throttle tip on the outlet side, which in turn corresponds to nozzle outlet hole diameter, in moving throttle there is a cross-shaped channel, cross-sectional area of which is not less than flow area of inlet nozzle, wherein in the area of the cross-shaped channel of the movable throttle there is an annular groove in the housing, the cross-sectional area of which is also not less than the flow area of the inlet nozzle.;EFFECT: reduced rate of pressure increase in inner cavities of units of pneumatic hydraulic systems at the moment of high pressure supply and their protection against damage.;1 cl, 2 dwg