COMBINED VIBRATION ISOLATOR WITH WASHER MESH DAMPER Russian patent published in 2017 - IPC F16F3/10 F16F7/01 F16F1/362 

FIELD: machine engineering.

SUBSTANCE: spring is made cylindrical and consists of two parts with oppositely directed ends. There are supporting rings on the spring supporting coils. The first spring part has rectangular section turns with rounded edges, and the second part is made hollow. The opposite directed end of the first part is located in the cavity of the second part. The segmental profile gaps of the contacting spring parts are filled with antifriction lubricant. The packing seal is mounted at the end of the second spring part to prevent the lubricant leakage. The first part of the screw spring is enclosed by the tube of a damping material. The gaps in the first part of the helical spring which is covered by the tube of damping material, are filled with a crumble of friction material. Two opposite washer mesh dampers are connected to supporting rings of the spring by means of their bases. Main mesh resilient element of each damper is fixed by lower and upper pressing washers. The lower washer is connected to the base made in form of plate with fastening holes. Upper pressure washer is connected to centrally located piston covered with a gap by a coaxially arranged sleeve connected to the base. An elastic element is positioned between lower end of the piston and the sleeve bottom.

EFFECT: increased efficiency of vibration isolation in resonance mode.

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