DRY FRICTION DAMPER Russian patent published in 2018 - IPC F16F7/04 F16F3/04 

Abstract RU 2671133 C2

FIELD: machine building.

SUBSTANCE: invention relates to machine building. Damper consists of the lower and the upper support plates. Between the plates coaxially and concentric the external with right and internal with left angles of turns rise springs are installed. Lower support plate is the base, on which the bottom flanges of the springs are rigidly secured. Between the upper support plate and the top flange of the internal spring a dry friction damper is installed. Damper consists of two contacting cylindrical discs. Bottom disc is rigidly linked with the top flange of the internal spring. Top disc is rigidly linked with the upper support plate. On surfaces of the discs facing each other there are concentric diametric spherical surfaces: grooves and their projections. Upper disc is made of steel, and the lower one is made of friction material. Concentric axisymmetric surfaces are made on the surfaces of cylindrical disks of the dry friction damper.

EFFECT: enabling increase in the vibration isolation efficiency in resonance mode.

1 cl, 1 dwg

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RU 2 671 133 C2

Authors

Stareeva Anna Mikhajlovna

Dates

2018-10-29Published

2015-11-20Filed