FIELD: transport.
SUBSTANCE: proposed damper comprises multilayer rod with layers of different acoustic compliance. Every said layer represents thick-wall cylinder on foot with thread made on cylinder inner surface and foot outer surface. Tight casing is filled with fluid and arranged on the rod. Damping elements represent split plates that form lugs. Each lug is perforated and features intrinsic frequency of elastic vibrations. Distance from foot outer surface to nearest perforated hole makes at least 1/3 of lug length.
EFFECT: improved damping properties.
6 dwg
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