LIQUID FLUCTUATION DAMPER FOR PUMPS AND HYDRAULIC SYSTEMS Russian patent published in 1997 - IPC

FIELD: pipe lines of hydraulic systems. SUBSTANCE: fluctuation damper has housing with outlet branch pipe, cover with outlet pipe union, throttling member and central tube whose one end is secured in branch pipe and second end is secured in cover where throttling member is mounted for communicating the passage of outlet pipe union with cavity of damper formed by outer surface of central tube and inner surface of housing. Branch pipe of damper is provided with passages located between cavity in housing and damper inlet. Some passages are filled with inserts made from porous material. EFFECT: enhanced reliability. 2 dwg