VIBRATION ISOLATOR BY KOCHETOV WITH INCREASED DAMPENING Russian patent published in 2017 - IPC F16F3/10 F16F7/01 

FIELD: machine engineering.

SUBSTANCE: vibration isolator comprises a body made of a helical hollow resilient steel tube. An additional resilient steel tube is installed inside the casing coaxially with a gap. A friction element, having higher thermal expansion coefficient as compared to steel, is placed in the gap between the tubes. The surfaces of the casing and the additional resilient steel tube touch the surfaces of the friction elements. A screw solid resilient pin is set coaxially to the casing. The friction element is made tubular in the form of a granular backfill made of sintered copper-based friction material. Vibration damping plates consisting of alternating layers of resilient and vibration damping materials are mounted on the upper and lower bearing surfaces of the casing.

EFFECT: increased efficiency of vibration isolation in resonance mode.

2 cl, 1 dwg