HYDRAULIC IMPACT DAMPENER FOR PRODUCTS MAINS Russian patent published in 1994 - IPC

FIELD: dampening hydraulic impacts which occur in case of explosions and earthquakes due to seismic action. SUBSTANCE: device consists of shock-absorbing chamber built in pipe line and divided by stiff perforated partition to which bellows are secured on either side. Bellows are filled with compressed gas and connected by means of hose with pressure differential (inside and outside the bellows) regulator. Used in bellows is gas which has saturation state at temperature of liquid being handled and pressure equal to limiting value at which components of product main are rated. EFFECT: enhanced efficiency. 2 cl, 2 dwg