SYSTEM AND METHOD OF REDUCING VIBRATION TRANSFER FROM FIRST VIBRATION BODY TO SECOND BODY Russian patent published in 2016 - IPC B64C27/00 

FIELD: aircraft; machine building.

SUBSTANCE: group of inventions relates to helicopter, method and device for reduction of vibration. Helicopter comprises structure including airframe, rotary system, device for reducing vibration. Device for reduction of vibration contains electro-hydrostatic actuators, means of vibrating electro-hydrostatic actuators, sensors of dynamic changes, processing means. To reduce vibration in structure of helicopter electro-hydrostatic actuators are connected between moving relative to each other parts of structure, causing vibration of actuators on a frequency corresponding to excitation signals, generating signals of dynamic changes in various parts of rotary system and transmitting said signals to processing means, which outputs compensating signals for controlling electro-hydrostatic actuators.

EFFECT: reduced vibration in movably connected to vibrating parts of helicopter structure.

16 cl, 5 dwg