FIELD: transport mechanical engineering. SUBSTANCE: hydraulic shock absorber may be used in wheeled and caterpillar machines of different types and in railway transport. Hydraulic shock absorber has internal, external and intermediate tubes filled with liquid. These tubes form circular chambers. Internal circular chamber surrounding internal tube is filled with gas. Separator is made as a ring and secured in lower part of intermediate tube, and internal surface of ring is made in the form of bead which diameter is less than intermediate tube diameter. EFFECT: enhanced reliability. 3 cl, 3 dwg
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