PNEUMATIC DAMPER Russian patent published in 1997 - IPC

FIELD: vibration protection; transport facilities. SUBSTANCE: pneumatic damper includes base made in the form of upright which is connected with parallel plates forming two chambers between them filled with working medium; chambers are divided by partition fitted with throttling member whose opposite ends are secured on respective plate with intake valve mounted in each of them. Holes provided in plates are used to pass rod connected with partition and provided with two longitudinal slots on either side from partition for periodic communication of respective chamber with atmosphere. Partition is provided with two passages for communication of respective chamber with atmosphere through throttling member. Gas is used as working medium. EFFECT: enhanced reliability. 3 dwg