FIELD: rail transport.
SUBSTANCE: invention relates to hydraulic dampers of coupling devices. Damper contains a housing, a compensation chamber, a buffer chamber and an overflow chamber made in the piston. Compensation and buffer chambers are located in annular space between piston and housing. Chambers are separated from each other by O-ring. In the buffer chamber on the piston there is a thrust collar transmitting tensile loads to the damper housing.
EFFECT: improving damping efficiency.
10 cl, 2 dwg
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